US20190284553A1 - Gene-regulating compositions and methods for improved immunotherapy - Google Patents
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Definitions
- the disclosure relates to methods, compositions, and components for editing a target nucleic acid sequence, or modulating expression of a target nucleic acid sequence, and applications thereof in connection with immunotherapy, including use with receptor-engineered immune effector cells, in the treatment of cell proliferative diseases, inflammatory diseases, and/or infectious diseases.
- Adoptive cell transfer utilizing genetically modified T cells, in particular CAR-T cells has entered clinical testing as a therapeutic for solid and hematologic malignancies. Results to date have been mixed. In hematologic malignancies (especially lymphoma, CLL and ALL), the majority of patients in several Phase 1 and 2 trials exhibited at least a partial response, with some exhibiting complete responses (Kochenderfer et al., 2012 Blood 1 19, 2709-2720). In 2017, the FDA approved two CAR-T therapies, KymriahTM and YescartaTM, both for the treatment of hematological cancers.
- Factors limiting the efficacy of genetically modified immune cells as cancer therapeutics include (1) cell proliferation, e.g., limited proliferation of T cells following adoptive transfer; (2) cell survival, e.g., induction of T cell apoptosis by factors in the tumor environment; and (3) cell function, e.g., inhibition of cytotoxic T cell function by inhibitory factors secreted by host immune cells and cancer cells and exhaustion of immune cells during manufacturing processes and/or after transfer.
- inventions thought to increase the anti-tumor effects of an immune cell include a cell's ability to 1) proliferate in the host following adoptive transfer; 2) infiltrate a tumor; 3) persist in the host and/or exhibit resistance to immune cell exhaustion; and 4) function in a manner capable of killing tumor cells.
- the present disclosure provides immune cells comprising decreased expression and/or function of one or more endogenous target genes wherein the modified immune cells demonstrate an enhancement of one or more effector functions including increased proliferation, increased infiltration into tumors, persistence of the immune cells in a subject, and/or increased resistance to immune cell exhaustion.
- the present disclosure also provides methods and compositions for modification of immune effector cells to elicit enhanced immune cell activity towards a tumor cell, as well as methods and compositions suitable for use in the context of adoptive immune cell transfer therapy.
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of ZC3H12A nucleic acid or protein (also known as Regnase-1).
- the present disclosure describes and demonstrates inhibition of ZC3H12A by multiple modalities, including CRISPR/Cas systems, zinc-finger systems, and siRNA/shRNA systems.
- the reduced expression/function of ZC3H12A is mediated by an antibody, a small molecule, or a peptide.
- the present disclosure provides a method of killing a cancerous cell comprising exposing the cancerous cell to a ZC3H12A protein inhibitor, wherein said inhibitor is an antibody, small molecule or peptide that binds to ZC3H12A and reduces ZC3H12A function and wherein said inhibitor is in an amount effective to kill said cancerous cell.
- the exposure is in vitro, in vivo, or ex vivo
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing expression and/or function of one or more endogenous target genes selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3.
- the reduced expression and/or function of the one or more endogenous genes enhances an effector function of the immune effector cell.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of one or more endogenous target genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the reduced expression and/or function of the one or more endogenous genes enhances an effector function of the immune effector cell.
- the gene-regulating system is capable of reducing the expression and/or function of two or more of endogenous target genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- endogenous target genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR
- At least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2 and at least one of the endogenous target genes is selected from the group consisting of CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system is capable of reducing the expression and/or function of at least one endogenous target gene selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one endogenous target gene selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- endogenous target gene selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PC
- the gene-regulating system is capable of reducing the expression and/or function of ZC3H12A and at least one endogenous target gene selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system is capable of reducing the expression and/or function of ZC3H12A and CBLB.
- the gene-regulating system is capable of reducing the expression and/or function of ZC3H12A and BCOR. In some embodiments, the gene-regulating system is capable of reducing the expression and/or function of ZC3H12A and TNFAIP3.
- the gene-regulating system is capable of reducing the expression and/or function of MAP4K1 and at least one endogenous target gene selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system is capable of reducing the expression and/or function of MAP4K1 and CBLB.
- the gene-regulating system is capable of reducing the expression and/or function of MAP4K1 and BCOR. In some embodiments, the gene-regulating system is capable of reducing the expression and/or function of MAP4K1 and TNFAPI3.
- the gene-regulating system is capable of reducing the expression and/or function of NR4A3 and at least one endogenous target gene selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system is capable of reducing the expression and/or function of NR4A3 and CBLB.
- the gene-regulating system is capable of reducing the expression and/or function of NR4A3 and BCOR. In some embodiments, the gene-regulating system is capable of reducing the expression and/or function of NR4A3 and TNFAPI3.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system, wherein the gene-regulating system comprises (i) one or more nucleic acid molecules; (ii) one or more enzymatic proteins; or (iii) one or more guide nucleic acid molecules and an enzymatic protein.
- the one or more nucleic acid molecules are selected from an siRNA, an shRNA, a microRNA (miR), an antagomiR, or an antisense RNA.
- the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system, wherein the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- the siRNA or shRNA comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6A and Table 6B. In some embodiments, the siRNA or shRNA comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064.
- the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6C and Table 6D. In some embodiments, the siRNA or shRNA comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509.
- the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6E and Table 6F. In some embodiments, the siRNA or shRNA comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538.
- the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6G and Table 6H. In some embodiments, the siRNA or shRNA comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566.
- the gene-regulating system comprises a plurality of siRNA or shRNA molecules and is capable of reducing the expression and/or function of two or more endogenous target genes.
- at least one of the endogenous target genes is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6A and Table 6B and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- At least one of the endogenous target genes is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the gene-regulating system comprises a plurality of siRNA or shRNA molecules and is capable of reducing the expression and/or function of two or more endogenous target genes.
- at least one of the endogenous target genes is ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6C and Table 6D and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the endogenous target genes is selected from the group consisting of ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the gene-regulating system comprises a plurality of siRNA or shRNA molecules and is capable of reducing the expression and/or function of two or more endogenous target genes.
- at least one of the endogenous target genes is MAP4K1 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6E and Table 6F and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the endogenous target genes is MAP4K1 and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the gene-regulating system comprises a plurality of siRNA or shRNA molecules and is capable of reducing the expression and/or function of two or more endogenous target genes.
- at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6G and Table 6H and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system, wherein the gene-regulating system comprises an enzymatic protein, and wherein the enzymatic protein has been engineered to specifically bind to a target sequence in one or more of the endogenous genes.
- the protein is a Transcription activator-like effector nuclease (TALEN), a zinc-finger nuclease, or a meganuclease.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system, wherein the gene-regulating system comprises a guide nucleic acid molecule and an enzymatic protein, wherein the nucleic acid molecule is a guide RNA (gRNA) molecule and the enzymatic protein is a Cas protein or Cas ortholog.
- the gene-regulating system comprises a guide nucleic acid molecule and an enzymatic protein, wherein the nucleic acid molecule is a guide RNA (gRNA) molecule and the enzymatic protein is a Cas protein or Cas ortholog.
- gRNA guide RNA
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least one endogenous target gene, wherein the gene-regulating system comprises a guide RNA (gRNA) molecule and a Cas protein or Cas ortholog, and wherein the one or more endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, and wherein the gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- gRNA guide RNA
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-813. In some embodiments, the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 154-813.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least one endogenous target gene, wherein the gene-regulating system comprises a guide RNA (gRNA) molecule and a Cas protein or Cas ortholog, and wherein the one or more endogenous target genes is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS, and wherein the gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 6A and Table 6B.
- gRNA guide RNA
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064. In some embodiments, the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 814-1064.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least one endogenous target gene, wherein the gene-regulating system comprises a guide RNA (gRNA) molecule and a Cas protein or Cas ortholog, and wherein the one or more endogenous target genes is ZC3H12A, and wherein the gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 6C and Table 6D.
- the gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1065-1509.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1065-1509.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least one endogenous target gene, wherein the gene-regulating system comprises a guide RNA (gRNA) molecule and a Cas protein or Cas ortholog, and wherein the one or more endogenous target genes is M4AP4K1, and wherein the gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Tables 6E and 6F.
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 510-1538.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least one endogenous target gene, wherein the gene-regulating system comprises a guide RNA (gRNA) molecule and a Cas protein or Cas ortholog, and wherein the one or more endogenous target genes is NR4A3, and wherein the gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Tables 6G and 6H.
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1539-1566.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least two endogenous target genes, wherein the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least two endogenous target genes, wherein the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog, wherein at least one of the endogenous target genes selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CT
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 6A and Table 6B and at least one of the plurality of gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 814-1064 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 154-813.
- At least one of the endogenous target genes selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least two endogenous target genes, wherein the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog, wherein at least one of the endogenous target genes is ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog
- at least one of the endogenous target genes is ZC3
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 6C and Table 6D and at least one of the plurality of gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the endogenous target genes is ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least two endogenous target genes, wherein the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog, wherein at least one of the endogenous target genes is MAP4K1 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- a gene-regulating system capable of reducing the expression and/or function of at least two endogenous target genes
- the gene-regulating system comprises a plurality of gRNAs and
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 6E and Table 6F and at least one of the plurality of gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 510-1538 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the endogenous target genes is M4AP4K1 and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the present disclosure provides a modified immune effector cell comprising a gene-regulating system capable of reducing the expression and/or function of at least two endogenous target genes, wherein the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog, wherein at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system comprises a plurality of gRNAs and a Cas protein or Cas ortholog
- at least one of the endogenous target genes is NR4A
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 6G and Table 6H and at least one of the plurality of gRNA molecule comprises a targeting domain sequence that binds to a nucleic acid sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 154-813.
- at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of TNFAIP3, CBLB, and BCOR.
- the present disclosure provides a modified immune effector cell comprising a Cas protein or Cas ortholog, wherein: (a) the Cas protein is a wild-type Cas protein comprising two enzymatically active domains, and capable of inducing double stranded DNA breaks; (b) the Cas protein is a Cas nickase mutant comprising one enzymatically active domain and capable of inducing single stranded DNA breaks; or (c) the Cas protein is a deactivated Cas protein (dCas) and is associated with a heterologous protein capable of modulating the expression of the one or more endogenous target genes.
- the Cas protein is a Cas9 protein.
- the heterologous protein is selected from the group consisting of MAX-interacting protein 1 (MXI1), Krüppel-associated box (KRAB) domain, methyl-CpG binding protein 2 (MECP2), and four concatenated mSin3 domains (SID4X).
- MXI1 MAX-interacting protein 1
- KRAB Krüppel-associated box
- MECP2 methyl-CpG binding protein 2
- SID4X concatenated mSin3 domains
- the gene regulating system introduces an inactivating mutation into the one or more endogenous target genes.
- the inactivating mutation comprises a deletion, substitution, or insertion of one or more nucleotides in the genomic sequences of the two or more endogenous genes.
- the deletion is a partial or complete deletion of the two or more endogenous target genes.
- the inactivating mutation is a frame shift mutation. In some embodiments, the inactivating mutation reduces the expression and/or function of the two or more endogenous target genes.
- the gene-regulating system is introduced to the immune effector cell by transfection, transduction, electroporation, or physical disruption of the cell membrane by a microfluidics device.
- the gene-regulating system is introduced as a polynucleotide encoding one or more components of the system, a protein, or a ribonucleoprotein (RNP) complex.
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of one or more endogenous genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the one or more endogenous genes enhances an effector function of the immune effector cell.
- endogenous genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of one or more endogenous genes selected from: (a) the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2; or (b) the group consisting of CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the one or more endogenous genes enhances an effector function of the immune effector cell.
- endogenous genes selected from: (a) the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of one or more endogenous genes selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3, wherein the reduced expression and/or function of the one or more endogenous genes enhances an effector function of the modified immune effector cell.
- endogenous genes selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3, where
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of two or more target genes selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the two or more endogenous genes enhances an effector function of the modified immune effector cell.
- the modified immune effector comprises reduced expression and/or function of CBLB and BCOR.
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of two or more target genes, wherein at least one target gene is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS, and wherein at least one target gene is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the two or more endogenous genes enhances an effector function of the modified immune effector cell.
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of two or more target genes, wherein at least one target gene is ZC3H12A, and wherein at least one target gene is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the two or more endogenous genes enhances an effector function of the modified immune effector cell.
- the modified immune effector comprises reduced expression and/or function of ZC3H12A and CBLB. In some embodiments, the modified immune effector comprises reduced expression and/or function of ZC3H12A and BCOR. In some embodiments, the modified immune effector comprises reduced expression and/or function of ZC3H12A and TNFAIP3.
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of two or more target genes, wherein at least one target gene is MAP4K1, and wherein at least one target gene is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the two or more endogenous genes enhances an effector function of the modified immune effector cell.
- the modified immune effector comprises reduced expression and/or function of MAP4K1 and CBLB. In some embodiments, the modified immune effector comprises reduced expression and/or function of MAP4K1 and BCOR. In some embodiments, the modified immune effector comprises reduced expression and/or function of MAP4K1 and TNFAIP3.
- the present disclosure provides a modified immune effector cell comprising reduced expression and/or function of two or more target genes, wherein at least one target gene is NR4A3, and wherein at least one target gene is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the reduced expression and/or function of the two or more endogenous genes enhances an effector function of the modified immune effector cell.
- the modified immune effector comprises reduced expression and/or function of NR4A3 and CBLB. In some embodiments, the modified immune effector comprises reduced expression and/or function of NR4A3 and BCOR. In some embodiments, the modified immune effector comprises reduced expression and/or function of NR4A3 and TNFAIP3.
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in one or more endogenous genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- endogenous genes selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in one or more endogenous genes selected from: (a) the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2; or (b) the group consisting of CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- endogenous genes selected from: (a) the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2; or (b) the group consisting of CBLB, PPP2R2D
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in one or more endogenous genes selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3.
- endogenous genes selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3.
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in two or more target genes selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the modified immune effector comprises an inactivating mutation in the CBLB and BCOR genes.
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in two or more target genes, wherein at least one target gene is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS, and at least one target gene is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- at least one target gene is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in two or more target genes, wherein at least one target gene is ZC3H12A and at least one target gene is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the modified immune effector comprises an inactivating mutation in the ZC3H12A and CBLB genes.
- the modified immune effector comprises an inactivating mutation in the ZC3H12A and BCOR genes.
- the modified immune effector comprises an inactivating mutation in the ZC3H12A and TNFAIP3 genes.
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in two or more target genes, wherein at least one target gene is MAP4K1 and at least one target gene is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD, and BCOR.
- the modified immune effector comprises an inactivating mutation in the M4AP4K1 and CBLB genes.
- the modified immune effector comprises an inactivating mutation in the MAP4K1 and BCOR genes.
- the modified immune effector comprises an inactivating mutation in the MAP4K1 and TNFAIP3 genes.
- the present disclosure provides a modified immune effector cell comprising an inactivating mutation in two or more target genes, wherein at least one target gene is NR4A3 and at least one target gene is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the modified immune effector comprises an inactivating mutation in the NR4A3 and CBLB genes.
- the modified immune effector comprises an inactivating mutation in the NR4A3 and BCOR genes.
- the modified immune effector comprises an inactivating mutation in the NR4A3 and TNFAIP3 genes.
- the inactivating mutation comprises a deletion, substitution, or insertion of one or more nucleotides in the genomic sequences of the two or more endogenous genes.
- the deletion is a partial or complete deletion of the two or more endogenous target genes.
- the inactivating mutation is a frame shift mutation. In some embodiments, the inactivating mutation reduces the expression and/or function of the two or more endogenous target genes.
- the expression of the one or more endogenous target genes is reduced by at least 50%, at least 60%, at least 70%, at least 80%, or at least 90% compared to an un-modified or control immune effector cell.
- the function of the one or more endogenous target genes is reduced by at least 50%, at least 60%, at least 70%, at least 80%, or at least 90% compared to an un-modified or control immune effector cell.
- the modified immune effector cell further comprises an engineered immune receptor displayed on the cell surface.
- the engineered immune receptor is a CAR comprising an antigen-binding domain, a transmembrane domain, and an intracellular signaling domain.
- the engineered immune receptor is an engineered TCR.
- the engineered immune receptor specifically binds to an antigen expressed on a target cell, wherein the antigen is a tumor-associated antigen.
- the modified immune effector cell further comprises an exogenous transgene expressing an immune activating molecule.
- the immune activating molecule is selected from the group consisting of a cytokine, a chemokine, a co-stimulatory molecule, an activating peptide, an antibody, or an antigen-binding fragment thereof.
- the antibody or binding fragment thereof specifically binds to and inhibits the function of the protein encoded by NRP1, HAVCR2, LAG3, TIGIT, CTLA4, or PDCD1.
- the immune effector cell is a wherein the immune effector cell is a lymphocyte selected from a T cell, a natural killer (NK) cell, an NKT cell.
- the lymphocyte is a tumor infiltrating lymphocyte (TIL).
- the effector function is selected from cell proliferation, cell viability, tumor infiltration, cytotoxicity, anti-tumor immune responses, and/or resistance to exhaustion.
- the present disclosure provides a composition comprising the modified immune effector cells described herein.
- the composition further comprises a pharmaceutically acceptable carrier or diluent.
- the composition comprises at least 1 ⁇ 10 4 , 1 ⁇ 10 5 , 1 ⁇ 10 6 , 1 ⁇ 10 7 , 1 ⁇ 10 8 , 1 ⁇ 10 9 , 1 ⁇ 10 10 , or 1 ⁇ 10 11 modified immune effector cells.
- the composition is suitable for administration to a subject in need thereof.
- the composition comprises autologous immune effector cells derived from the subject in need thereof.
- the composition comprises allogeneic immune effector cells derived from a donor subject.
- the present disclosure provides a gene-regulating system capable of reducing expression and/or function of one or more endogenous target genes in a cell selected from: (a) the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2; or (b) the group consisting of CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR, wherein the system comprises (i) a nucleic acid molecule; (ii) an enzymatic; or (iii) a guide nucleic acid molecule and an enzymatic protein.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3, wherein the system comprises (i) a nucleic acid molecule; (ii) an enzymatic; or (iii) a guide nucleic acid molecule and an enzymatic protein.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease.
- gRNA guide RNA
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease, wherein the one or more endogenous target genes are selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2 or is selected from CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A and Table 5B.
- gRNA guide RNA
- the one or more endogenous target genes are selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2 and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-498. In some embodiments, the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 154-498.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease, wherein the one or more endogenous target genes are selected from CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 499-813.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease, wherein the one or more endogenous target genes are selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A and Table 6B.
- gRNA guide RNA
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064. In some embodiments, the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 814-1064.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease, wherein the one or more endogenous target gene is ZC3H12A and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C and Table 6D.
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1065-1509. In some embodiments, the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1065-1509.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease, wherein the one or more endogenous target genes comprises M4AP4K1 and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6E and Table 6F.
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 510-1538.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell comprising a guide RNA (gRNA) nucleic acid molecule and a Cas endonuclease, wherein the one or more endogenous target genes comprises NR4A3 and wherein the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6G and Table 6H.
- the gRNA molecule comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566.
- the gRNA molecule comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1539-1566.
- the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell, wherein the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule and wherein the one or more endogenous target genes are selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2 or is selected from CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- the one or more endogenous target genes are selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2 and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from SEQ ID NOs: 154-498.
- the one or more endogenous target genes are selected from CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell, wherein the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the one or more endogenous target genes are selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6A and Table 6B. In some embodiments, the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from SEQ ID NOs: 814-1064.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell, wherein the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the one or more endogenous target gene is ZC3H12A and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6C and Table 6D. In some embodiments, the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from SEQ ID NOs: 1065-1509.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell, wherein the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the one or more endogenous target genes comprises MAP4K1 and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6E and Table 6F. In some embodiments, the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from SEQ ID NOs: 510-1538.
- the present disclosure provides a gene-regulating system capable of reducing expression of one or more endogenous target genes in a cell, wherein the gene-regulating system comprises an siRNA or an shRNA nucleic acid molecule, wherein the one or more endogenous target genes comprises NR4A3 and wherein the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6G and Table 6H. In some embodiments, the siRNA or shRNA molecule comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from SEQ ID NOs: 1539-1566.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein at least one of the endogenous target genes is selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; or (d) NR4A3, and wherein at least one of the endogenous target genes is selected from: (e) the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2; or (f) the group consisting of CBLB, PPP2R2
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the system comprises a plurality of guide RNA (gRNA) nucleic acid molecules and a Cas endonuclease.
- gRNA guide RNA
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the system comprises a plurality of guide RNA (gRNA) nucleic acid molecules and a Cas endonuclease, wherein at least one of the endogenous target genes is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT
- At least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A and Table 6B, and wherein at least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 814-1064 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the system comprises a plurality of guide RNA (gRNA) nucleic acid molecules and a Cas endonuclease, wherein at least one of the endogenous target genes is ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- gRNA guide RNA
- At least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C and Table 6D, and wherein at least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 499-524.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from SEQ ID NOs: 499-524.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the system comprises a plurality of guide RNA (gRNA) nucleic acid molecules and a Cas endonuclease, wherein at least one of the endogenous target genes is MAP4K1 and at least one of the endogenous target genes is selected from the group consisting of IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- gRNA guide RNA
- At least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6E and Table 6F, and wherein at least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 499-524.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 510-1538 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 510-1538 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 499-524.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the system comprises a plurality of guide RNA (gRNA) nucleic acid molecules and a Cas endonuclease, wherein at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- gRNA guide RNA
- At least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 6G and Table 6H, and wherein at least one of the plurality of gRNAs binds to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence that binds to a target DNA sequence selected from the group consisting of SEQ ID NOs: 499-524.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and wherein at least one of the plurality of gRNA molecules comprises a targeting domain sequence encoded by a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 499-524.
- the gene-regulating system comprises a Cas protein, wherein the Cas protein is: (a) a wild-type Cas protein comprising two enzymatically active domains, and capable of inducing double stranded DNA breaks; (b) a Cas nickase mutant comprising one enzymatically active domain and capable of inducing single stranded DNA breaks; (c) a deactivated Cas protein (dCas) and is associated with a heterologous protein capable of modulating the expression of the one or more endogenous target genes.
- the Cas protein is: (a) a wild-type Cas protein comprising two enzymatically active domains, and capable of inducing double stranded DNA breaks; (b) a Cas nickase mutant comprising one enzymatically active domain and capable of inducing single stranded DNA breaks; (c) a deactivated Cas protein (dCas) and is associated with a heterologous protein capable of modulating the expression of
- the heterologous protein is selected from the group consisting of MAX-interacting protein 1 (MXI1), Krüppel-associated box (KRAB) domain, and four concatenated mSin3 domains (SID4X).
- MXI1 MAX-interacting protein 1
- KRAB Krüppel-associated box
- SID4X concatenated mSin3 domains
- the Cas protein is a Cas9 protein.
- the gene-regulating system comprises a nucleic acid molecule and wherein the nucleic acid molecule is an siRNA, an shRNA, a microRNA (miR), an antagomiR, or an antisense RNA. In some embodiments, the gene-regulating system comprises a plurality of shRNA or siRNA molecules.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6A and Table 6B and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 814-1064 and wherein at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is ZC3H12A and at least one of the endogenous target genes is selected from the group consisting of
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6C and Table 6D and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1065-1509 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 499-524.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is MAP4K1 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is MAP4K1 and at least one of the endogenous target genes is selected from the group consisting of IK
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6E and Table 6F and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 510-1538 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 499-524.
- the present disclosure provides a gene-regulating system capable of reducing the expression and/or function of two or more endogenous target genes in a cell, wherein the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the gene-regulating system comprises a plurality of shRNA or siRNA molecules, wherein at least one of the endogenous target genes is NR4A3 and at least one of the endogenous target genes is selected from the group consisting of IK
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 6G and Table 6H and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence defined by a set of genome coordinates shown in Table 5A and Table 5B.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 1539-1566 and at least one of the plurality of siRNA or shRNA molecules comprises about 19-30 nucleotides that bind to an RNA sequence encoded by a DNA sequence selected from the group consisting of SEQ ID NOs: 499-524.
- the gene-regulating system comprises a protein comprising a DNA binding domain and an enzymatic domain and is selected from a zinc finger nuclease and a transcription-activator-like effector nuclease (TALEN).
- TALEN transcription-activator-like effector nuclease
- the present disclosure provides a gene-regulating system comprising a vector encoding one or more gRNAs and a vector encoding a Cas endonuclease protein, wherein the one or more gRNAs comprise a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, SEQ ID NOs: 1539-1566, SEQ ID NOs: 154-498, or SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system comprising a vector encoding a plurality of gRNAs and a vector encoding a Cas endonuclease protein, wherein at least one of the plurality of gRNA comprises a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, or SEQ ID NOs: 1539-1566, and wherein at least one of the plurality of gRNA comprises a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system comprising a vector encoding one or more gRNAs and an mRNA molecule encoding a Cas endonuclease protein, wherein the one or more gRNAs comprise a targeting domain sequence encoded by a nucleic acid sequence selected from SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, SEQ ID NOs: 1539-1566, SEQ ID NOs: 154-498, or SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system comprising a vector encoding a plurality of gRNAs and an mRNA molecule encoding a Cas endonuclease protein, wherein at least one of the plurality of gRNA comprises a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, or SEQ ID NOs: 1539-1566, and wherein at least one of the plurality of gRNA comprises a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the present disclosure provides a gene-regulating system comprising one or more gRNAs and a Cas endonuclease protein, wherein the one or more gRNAs comprise a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, SEQ ID NOs: 1539-1566, SEQ ID NOs: 154-498, or SEQ ID NOs: 499-813, and wherein the one or more gRNAs and the Cas endonuclease protein are complexed to form a ribonucleoprotein (RNP) complex.
- RNP ribonucleoprotein
- the present disclosure provides a gene-regulating system comprising a plurality of gRNAs and a Cas endonuclease protein: wherein at least one of the plurality of gRNA comprises a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, or SEQ ID NOs: 1539-1566, wherein at least one of the plurality of gRNA comprises a targeting domain sequence encoded by a nucleic acid sequence selected from: SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813, and wherein the one or more gRNAs and the Cas endonuclease protein are complexed to form a ribonucleoprotein (RNP) complex.
- RNP ribonucleoprotein
- the present disclosure provides a kit comprising a gene-regulating system described herein.
- the present disclosure provides a gRNA nucleic acid molecule comprising a targeting domain nucleic acid sequence that binds to a target sequence in an endogenous target gene selected from: (a) the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS; (b) ZC3H12A; (c) MAP4K1; (d) NR4A3; (e) IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, and IKZF2; or (f) CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR.
- the endogenous gene is selected from the group consisting of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and the gRNA comprises a targeting domain sequence that binds to a target DNA sequence located at genomic coordinates selected from those shown in Tables 6A and 6B;
- the endogenous gene is ZC3H12A and the gRNA comprises a targeting domain sequence that binds to a target DNA sequence located at genomic coordinates selected from those shown in Table 6C and Table 6D;
- the endogenous gene is MAP4K1 and the gRNA comprises a targeting domain sequence that binds to a target DNA sequence located at genomic coordinates selected from those shown in Table 6E and Table 6F;
- the endogenous gene is NR4A3 and the gRNA comprises a targeting domain sequence that binds to a target DNA
- the gRNA comprises a targeting domain sequence that binds to a target DNA sequence selected from SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, SEQ ID NOs: 1539-1566, SEQ ID NOs: 154-498, or SEQ ID NOs: 499-813.
- the gRNA comprises a targeting domain sequence encoded by a sequence selected from SEQ ID NOs: 814-1064, SEQ ID NOs: 1065-1509, SEQ ID NOs: 510-1538, SEQ ID NOs: 1539-1566, SEQ ID NOs: 154-498, or SEQ ID NOs: 499-813.
- the target sequence comprises a PAM sequence.
- the gRNA is a modular gRNA molecule. In some embodiments, the gRNA is a dual gRNA molecule. In some embodiments, the targeting domain is 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 or more nucleotides in length. In some embodiments, the gRNA molecule comprises a modification at or near its 5′ end (e.g., within 1-10, 1-5, or 1-2 nucleotides of its 5′ end) and/or a modification at or near its 3′ end (e.g., within 1-10, 1-5, or 1-2 nucleotides of its 3′ end). In some embodiments, the modified gRNA exhibits increased stability towards nucleases when introduced into a T cell. In some embodiments, the modified gRNA exhibits a reduced innate immune response when introduced into a T cell.
- the present disclosure provides a polynucleotide molecule encoding a gRNA molecule described herein. In some embodiments, the present disclosure provides a composition comprising one or more gRNA molecules described herein or polynucleotides encoding the same. In some embodiments, the present disclosure provides a kit comprising one or more gRNA molecules described herein or polynucleotides encoding the same.
- the present disclosure provides a method of producing a modified immune effector cell comprising: (a) obtaining an immune effector cell from a subject; (b) introducing the gene-regulating system of any one of claims Error! Reference source not found.—Error! Reference source not found. into the immune effector cell; and (c) culturing the immune effector cell such that the expression and/or function of one or more endogenous target genes is reduced compared to an immune effector cell that has not been modified.
- the present disclosure provides a method of producing a modified immune effector cell comprising introducing a gene-regulating system described herein into the immune effector cell.
- the methods further comprise introducing a polynucleotide sequence encoding an engineered immune receptor selected from a CAR and a TCR.
- the gene-regulating system and/or the polynucleotide encoding the engineered immune receptor are introduced to the immune effector cell by transfection, transduction, electroporation, or physical disruption of the cell membrane by a microfluidics device.
- the gene-regulating system is introduced as a polynucleotide sequence encoding one or more components of the system, as a protein, or as an ribonucleoprotein (RNP) complex.
- RNP ribonucleoprotein
- the present disclosure provides a method of producing a modified immune effector cell comprising: (a) expanding a population of immune effector cells in culture; and (b) introducing a gene-regulating system of any one of claims Error! Reference source not found.—Error! Reference source not found. into the population of immune effector cells.
- the methods further comprise obtaining the population of immune effector cells from a subject.
- the gene-regulating system is introduced to the population of immune effector cells before, during, or after expansion.
- the expansion of the population of immune effector cells comprises a first round expansion and a second round of expansion.
- the gene-regulating system is introduced to the population of immune effector cells before, during, or after the first round of expansion. In some embodiments, the gene-regulating system is introduced to the population of immune effector cells before, during, or after the second round of expansion. In some embodiments, the gene-regulating system is introduced to the population of immune effector cells before the first and second rounds of expansion. In some embodiments, the gene-regulating system is introduced to the population of immune effector cells after the first and second rounds of expansion. In some embodiments, the gene-regulating system is introduced to the population of immune effector cells after the first round of expansion and before the second round of expansion.
- the present disclosure provides a method of treating a disease or disorder in a subject in need thereof comprising administering an effective amount of a modified immune effector described herein, or composition thereof.
- the disease or disorder is a cell proliferative disorder, an inflammatory disorder, or an infectious disease.
- the disease or disorder is a cancer or a viral infection.
- the cancer is selected from a leukemia, a lymphoma, or a solid tumor.
- the solid tumor is a melanoma, a pancreatic tumor, a bladder tumor, a lung tumor or metastasis, a colorectal cancer, or a head and neck cancer.
- the cancer is a PD1 resistant or insensitive cancer.
- the subject has previously been treated with a PD1 inhibitor or a PDL1 inhibitor.
- the methods further comprise administering to the subject an antibody or binding fragment thereof that specifically binds to and inhibits the function of the protein encoded by NRP1, HAVCR2, LAG3, TIGIT, CTLA4, or PDCD1.
- the modified immune effector cells are autologous to the subject.
- the modified immune effector cells are allogenic to the subject.
- the subject has not undergone lymphodepletion prior to administration of the modified immune effector cells or compositions thereof.
- the subject does not receive high-dose IL-2 treatment with or after the administration of the modified immune effector cells or compositions thereof. In some embodiments, the subject receives low-dose IL-2 treatment with or after the administration of the modified immune effector cells or compositions thereof. In some embodiments, the subject does not receive IL-2 treatment with or after the administration of the modified immune effector cells or compositions thereof.
- the present disclosure provides a method of killing a cancerous cell comprising exposing the cancerous cell to a modified immune effector cell described herein or a composition thereof.
- the exposure is in vitro, in vivo, or ex vivo.
- the present disclosure provides a method of enhancing one or more effector functions of an immune effector cell comprising introducing a gene-regulating system described herein into the immune effector cell. In some embodiments, the present disclosure provides a method of enhancing one or more effector functions of an immune effector cell comprising introducing a gene-regulating system described herein into the immune effector cell, wherein the modified immune effector cell demonstrates one or more enhanced effector functions compared to the immune effector cell that has not been modified. In some embodiments, the one or more effector functions are selected from cell proliferation, cell viability, cytotoxicity, tumor infiltration, increased cytokine production, anti-tumor immune responses, and/or resistance to exhaustion.
- FIG. 1A - FIG. 1B illustrate combinations of endogenous target genes that can be modified by the methods described herein.
- FIG. 2A - FIG. 2B illustrate combinations of endogenous target genes that can be modified by the methods described herein.
- FIG. 3A - FIG. 3B illustrate combinations of endogenous target genes that can be modified by the methods described herein.
- FIG. 4A - FIG. 4D illustrates editing of the TRAC and B2M genes using methods described herein.
- FIG. 5A - FIG. 5B illustrate TIDE analysis data for editing of CBLB in primary human T cells.
- FIG. 6 illustrates a western blot for CBLB protein in primary human T cells edited with a CBLB gRNA (D6551-CBLB) compared to unedited controls (D6551-WT).
- FIG. 7A - FIG. 7E show tumor growth over time in a murine B16/Ova syngeneic tumor model.
- FIG. 7A shows tumor growth in mice treated with CBLB-edited OT1 T cells compared to unedited OT1 T cells.
- FIG. 7B - FIG. 7C shows tumor growth in mice treated with ZC3H12A-edited OT1 T cells compared to unedited OT1 T cells.
- FIG. 7D shows tumor growth in mice treated with MAP4K1-edited OT1 T cells compared to unedited OT1 T cells.
- FIG. 7E shows tumor growth in mice treated with NR4A3-edited OT1 T cells compared to unedited OT1 T cells.
- FIG. 8A - FIG. 8B show tumor growth over time in a murine B16/Ova syngeneic tumor model in mice treated with single-edited T cells and/or in combination with anti-PD1 therapy.
- FIG. 8A shows tumor growth in mice treated with a combination of MAP4K1-edited OT1 T cells and anti-PD1 therapy compared to control and MAP4K1-edited OT1 cells alone.
- FIG. 8B shows tumor growth in mice treated with a combination of NR4A3-edited OT1 T cells and anti-PD1 therapy compared to control and NR4A3-edited OT1 cells alone.
- FIG. 9 shows tumor growth over time in a murine MC38/gp100 syngeneic tumor model in mice treated with Zc3h12a-edited PMEL T cells.
- FIG. 10 shows a survival curve of mice treated with Zc3h12a-edited PMEL T cells and PD1-edited PMEL T cells in a B16F10 lung met model.
- FIG. 11 shows tumor growth over time in a murine Eg7 Ova syngeneic tumor model in mice treated with Zc3h12a-edited T cells.
- FIG. 12A - FIG. 12B shows tumor growth over time in a murine A375 xenograft model for mice.
- FIG. 12A shows tumor growth over time in a murine A375 xenograft model for mice treated with CBLB-edited NY-ESO-1-specific TCR transgenic T cells compared to unedited NY-ESO-1-specific TCR transgenic T cells.
- FIG. 12B shows tumor growth over time in a murine A375 xenograft model for mice treated with ZC3H12A-edited NY-ESO-1-specific TCR transgenic T cells compared to control edited T cells.
- FIG. 13A - FIG. 13B shows tumor growth after treatment with single-edited CD19 CAR T cells in a subcutaneous model of Burkitt's lymphoma using Raji cells.
- FIG. 13A shows tumor growth after treatment with MAP4K1-edited CD19 CAR T cells compared to unedited CD19 CAR T cells.
- FIG. 13B shows tumor growth after treatment with NR4A3-edited CD19 CAR T cells compared to unedited CD19 CAR T cells.
- FIG. 14 shows tumor growth over time in mice treated with BCOR-edited, CBLB-edited, or BCOR/CBLB dual-edited anti-CD19 CAR T cells. Tumor growth is compared to mice treated with no CAR T cells or unedited anti-CD19 CAR T cells.
- FIG. 15 shows accumulation of BCOR-edited or BCOR/CBLB-edited CD19 CAR T cells in an in vitro culture system.
- FIG. 16 shows IL-2 production by BCOR-edited or BCOR/CBLB-edited CD19 CAR T cells in an in vitro culture system.
- FIG. 17 shows IFN ⁇ production by BCOR-edited or BCOR/CBLB-edited CD19 CAR T cells in an in vitro culture system.
- FIG. 18 shows tumor growth over time in a murine B16/Ova syngeneic tumor model in mice treated with dual-edited Zc3h12a/Cblb OT1 T cells.
- FIG. 19 shows tumor growth over time in a murine B16/Ova syngeneic tumor model in mice treated with Pd1/Lag3 dual-edited OT1 T cells.
- FIG. 20 shows validation of Zc3h12a as target conferring anti-tumor memory and epitope spreading.
- FIG. 21 shows production of IFN ⁇ , IL-2, and TNF ⁇ in MAP4K1-edited PBMCs.
- FIG. 22 shows mRNA expression of Icos, Il6, Il2, Ifng, and Nfkbiz in Zc3h12a-edited murine CD8 T cells.
- FIG. 23 shows cell surface expression of ICOS in Zc3h12a-edited murine CD8 T cells.
- FIG. 24 shows production of IL-2 and IFN ⁇ by Zc3h12a-edited murine CD8 T cells after anti-CD3/CD28 stimulation.
- FIG. 25A - FIG. 25B show increased expression of IL6 in ZC3H12A-edited primary human T cells.
- FIG. 25A shows IL-6 protein production from ZC3H12A-edited PBMCs derived from donors.
- FIG. 25B shows IL6 mRNA expression in ZC3H12A-edited PBMCs.
- the present disclosure provides methods and compositions related to the modification of immune effector cells to increase their therapeutic efficacy in the context of immunotherapy.
- immune effector cells are modified by the methods of the present disclosure to reduce expression of one or more endogenous target genes, or to reduce one or more functions of an endogenous protein such that one or more effector functions of the immune cells are enhanced.
- the immune effector cells are further modified by introduction of transgenes conferring antigen specificity, such as introduction of T cell receptor (TCR) or chimeric antigen receptor (CAR) expression constructs.
- TCR T cell receptor
- CAR chimeric antigen receptor
- the present disclosure provides compositions and methods for modifying immune effector cells, such as compositions of gene-regulating systems.
- the present disclosure provides methods of treating a cell proliferative disorder, such as a cancer, comprising administration of the modified immune effector cells described herein to a subject in need thereof.
- the terms “about” and “approximately” are used as equivalents. Any numerals used in this application with or without about/approximately are meant to cover any normal fluctuations appreciated by one of ordinary skill in the relevant art.
- the term “approximately” or “about” refers to a range of values that fall within 25%, 20%, 19%, 18%, 17%, 16%, 15%, 14%, 13%, 12%, 11%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, or less in either direction (greater than or less than) of the stated reference value unless otherwise stated or otherwise evident from the context (except where such number would exceed 100% of a possible value).
- “Decrease” or “reduce” refers to a decrease or a reduction in a particular value of at least 5%, for example, a 5%, 6%, 7%, 8%, 9%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 99%, or 100% decrease as compared to a reference value.
- a decrease or reduction in a particular value may also be represented as a fold-change in the value compared to a reference value, for example, at least a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 500, 1000-fold, or more, decrease as compared to a reference value.
- “Increase” refers to an increase in a particular value of at least 5%, for example, a 5%, 6%, 7%, 8%, 9%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 99%, 100%, 200%, 300%, 400%, 500%, or more increase as compared to a reference value.
- An increase in a particular value may also be represented as a fold-change in the value compared to a reference value, for example, at least a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 500, 1000-fold or more, increase as compared to the level of a reference value.
- peptide refers to a polymeric form of amino acids of any length, which can include coded and non-coded amino acids, chemically or biochemically modified or derivatized amino acids, and polypeptides having modified peptide backbones.
- polynucleotide and “nucleic acid,” used interchangeably herein, refer to a polymeric form of nucleotides of any length, either ribonucleotides or deoxyribonucleotides. Thus, this term includes, but is not limited to, single-, double-, or multi-stranded DNA or RNA, genomic DNA, cDNA, DNA-RNA hybrids, or a polymer comprising purine and pyrimidine bases or other natural, chemically or biochemically modified, non-natural, or derivatized nucleotide bases.
- Oligonucleotide generally refers to polynucleotides of between about 5 and about 100 nucleotides of single- or double-stranded DNA.
- oligonucleotide is also known as “oligomers” or “oligos” and may be isolated from genes, or chemically synthesized by methods known in the art.
- polynucleotide and nucleic acid should be understood to include, as applicable to the embodiments being described, single-stranded (such as sense or antisense) and double-stranded polynucleotides.
- “Fragment” refers to a portion of a polypeptide or polynucleotide molecule containing less than the entire polypeptide or polynucleotide sequence.
- a fragment of a polypeptide or polynucleotide comprises at least 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, 96%, 97%, 98%, or 99% of the entire length of the reference polypeptide or polynucleotide.
- a polypeptide or polynucleotide fragment may contain 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, or more nucleotides or amino acids.
- sequence identity refers to the percentage of bases or amino acids between two polynucleotide or polypeptide sequences that are the same, and in the same relative position. As such one polynucleotide or polypeptide sequence has a certain percentage of sequence identity compared to another polynucleotide or polypeptide sequence. For sequence comparison, typically one sequence acts as a reference sequence, to which test sequences are compared.
- reference sequence refers to a molecule to which a test sequence is compared.
- “Complementary” refers to the capacity for pairing, through base stacking and specific hydrogen bonding, between two sequences comprising naturally or non-naturally occurring bases or analogs thereof. For example, if a base at one position of a nucleic acid is capable of hydrogen bonding with a base at the corresponding position of a target, then the bases are considered to be complementary to each other at that position. Nucleic acids can comprise universal bases, or inert abasic spacers that provide no positive or negative contribution to hydrogen bonding. Base pairings may include both canonical Watson-Crick base pairing and non-Watson-Crick base pairing (e.g., Wobble base pairing and Hoogsteen base pairing).
- adenosine-type bases are complementary to thymidine-type bases (T) or uracil-type bases (U), that cytosine-type bases (C) are complementary to guanosine-type bases (G), and that universal bases such as such as 3-nitropyrrole or 5-nitroindole can hybridize to and are considered complementary to any A, C, U, or T.
- T thymidine-type bases
- U uracil-type bases
- C cytosine-type bases
- G guanosine-type bases
- universal bases such as such as 3-nitropyrrole or 5-nitroindole
- a “complementary nucleic acid sequence” is a nucleic acid sequence comprising a sequence of nucleotides that enables it to non-covalently bind to another nucleic acid in a sequence-specific, antiparallel, manner (i.e., a nucleic acid specifically binds to a complementary nucleic acid) under the appropriate in vitro and/or in vivo conditions of temperature and solution ionic strength.
- sequence alignment for comparison and determination of percent sequence identity and percent complementarity are well known in the art.
- Optimal alignment of sequences for comparison can be conducted, e.g., by the homology alignment algorithm of Needleman and Wunsch, (1970) J. Mol. Biol. 48:443, by the search for similarity method of Pearson and Lipman, (1988) Proc. Nat'l. Acad. Sci.
- hybridize refers to pairing between complementary nucleotide bases (e.g., adenine (A) forms a base pair with thymine (T) in a DNA molecule and with uracil (U) in an RNA molecule, and guanine (G) forms a base pair with cytosine (C) in both DNA and RNA molecules) to form a double-stranded nucleic acid molecule.
- A complementary nucleotide bases
- U uracil
- G guanine
- C cytosine
- guanine (G) base pairs with uracil (U).
- G/U base-pairing is partially responsible for the degeneracy (i.e., redundancy) of the genetic code in the context of tRNA anti-codon base-pairing with codons in mRNA.
- a guanine (G) of a protein-binding segment (dsRNA duplex) of a guide RNA molecule is considered complementary to a uracil (U), and vice versa.
- dsRNA duplex protein-binding segment
- the position is not considered to be non-complementary, but is instead considered to be complementary.
- sequence of polynucleotide need not be 100% complementary to that of its target nucleic acid to be specifically hybridizable.
- a polynucleotide may hybridize over one or more segments such that intervening or adjacent segments are not involved in the hybridization event (e.g., a loop structure or hairpin structure).
- a polynucleotide can comprise at least 70%, at least 80%, at least 90%, at least 95%, at least 99%, or 100% sequence complementarity to a target region within the target nucleic acid sequence to which they are targeted.
- modified refers to a substance or compound (e.g., a cell, a polynucleotide sequence, and/or a polypeptide sequence) that has been altered or changed as compared to the corresponding unmodified substance or compound.
- a substance or compound e.g., a cell, a polynucleotide sequence, and/or a polypeptide sequence
- naturally-occurring refers to a nucleic acid, polypeptide, cell, or organism that is found in nature.
- a polypeptide or polynucleotide sequence that is present in an organism (including viruses) that can be isolated from a source in nature and which has not been intentionally modified by a human in the laboratory is naturally occurring.
- isolated refers to a material that is free to varying degrees from components which normally accompany it as found in its native state.
- an “expression cassette” or “expression construct” refers to a DNA polynucleotide sequence operably linked to a promoter. “Operably linked” refers to a juxtaposition wherein the components so described are in a relationship permitting them to function in their intended manner. For instance, a promoter is operably linked to a polynucleotide sequence if the promoter affects the transcription or expression of the polynucleotide sequence.
- recombinant vector refers to a polynucleotide molecule capable transferring or transporting another polynucleotide inserted into the vector.
- the inserted polynucleotide may be an expression cassette.
- a recombinant vector may be viral vector or a non-viral vector (e.g., a plasmid).
- sample refers to a biological composition (e.g., a cell or a portion of a tissue) that is subjected to analysis and/or genetic modification.
- a sample is a “primary sample” in that it is obtained directly from a subject; in some embodiments, a “sample” is the result of processing of a primary sample, for example to remove certain components and/or to isolate or purify certain components of interest.
- subject includes animals, such as e.g. mammals.
- the mammal is a primate.
- the mammal is a human.
- subjects are livestock such as cattle, sheep, goats, cows, swine, and the like; or domesticated animals such as dogs and cats.
- subjects are rodents (e.g., mice, rats, hamsters), rabbits, primates, or swine such as inbred pigs and the like.
- rodents e.g., mice, rats, hamsters
- rabbits, primates, or swine such as inbred pigs and the like.
- administering refers herein to introducing an agent or composition into a subject.
- Treating refers to delivering an agent or composition to a subject to affect a physiologic outcome.
- the term “effective amount” refers to the minimum amount of an agent or composition required to result in a particular physiological effect.
- the effective amount of a particular agent may be represented in a variety of ways based on the nature of the agent, such as mass/volume, # of cells/volume, particles/volume, (mass of the agent)/(mass of the subject), # of cells/(mass of subject), or particles/(mass of subject).
- the effective amount of a particular agent may also be expressed as the half-maximal effective concentration (EC 50 ), which refers to the concentration of an agent that results in a magnitude of a particular physiological response that is half-way between a reference level and a maximum response level.
- “Population” of cells refers to any number of cells greater than 1, but is preferably at least 1 ⁇ 10 3 cells, at least 1 ⁇ 10 4 cells, at least 1 ⁇ 10 5 cells, at least 1 ⁇ 10 6 cells, at least 1 ⁇ 10 7 cells, at least 1 ⁇ 10 8 cells, at least 1 ⁇ 10 9 cells, at least 1 ⁇ 10 10 cells, at least 1 ⁇ 10 11 or more cells.
- a population of cells may refer to an in vitro population (e.g., a population of cells in culture) or an in vivo population (e.g., a population of cells residing in a particular tissue).
- the present disclosure provides modified immune effector cells.
- modified immune effector cells encompasses immune effector cells comprising one or more genomic modifications resulting in the reduced expression and/or function of one or more endogenous target genes as well as immune effector cells comprising a gene-regulating system capable of reducing the expression and/or function of one or more endogenous target genes.
- an “un-modified immune effector cell” or “control immune effector cell” refers to a cell or population of cells wherein the genomes have not been modified and that does not comprise a gene-regulating system or comprises a control gene-regulating system (e.g., an empty vector control, a non-targeting gRNA, a scrambled siRNA, etc.).
- the term “immune effector cell” refers to cells involved in mounting innate and adaptive immune responses, including but not limited to lymphocytes (such as T-cells (including thymocytes) and B-cells), natural killer (NK) cells, NKT cells, macrophages, monocytes, eosinophils, basophils, neutrophils, dendritic cells, and mast cells.
- the modified immune effector cell is a T cell, such as a CD4+ T cell, a CD8+ T cell (also referred to as a cytotoxic T cell or CTL), a regulatory T cell (Treg), a Th1 cell, a Th2 cell, or a Th17 cell.
- the immune effector cell is a T cell that has been isolated from a tumor sample (referred to herein as “tumor infiltrating lymphocytes” or “TILs”).
- TILs tumor infiltrating lymphocytes
- TILs possess increased specificity to tumor antigens (Radvanyi et al., 2012 Clin Canc Res 18:6758-6770) and can therefore mediate tumor antigen-specific immune response (e.g., activation, proliferation, and cytotoxic activity against the cancer cell) leading to cancer cell destruction (Brudno et al., 2018 Nat Rev Clin Onc 15:31-46)) without the introduction of an exogenous engineered receptor.
- TILs are isolated from a tumor in a subject, expanded ex vivo, and re-infused into a subject.
- TILs are modified to express one or more exogenous receptors specific for an autologous tumor antigen, expanded ex vivo, and re-infused into the subject.
- Such embodiments can be modeled using in vivo mouse models wherein mice have been transplanted with a cancer cell line expressing a cancer antigen (e.g., CD19) and are treated with modified T cells that express an exogenous receptor that is specific for the cancer antigen (See e.g., Examples 10 and 11).
- the immune effector cell is an animal cell or is derived from an animal cell, including invertebrate animals and vertebrate animals (e.g., fish, amphibian, reptile, bird, or mammal).
- the immune effector cell is a mammalian cell or is derived from a mammalian cell (e.g., a pig, a cow, a goat, a sheep, a rodent, a non-human primate, a human, etc.).
- the immune effector cell is a rodent cell or is derived from a rodent cell (e.g., a rat or a mouse).
- the modified immune effector cell is a human cell or is derived from a human cell.
- the modified immune effector cells comprise one or more modifications (e.g., insertions, deletions, or mutations of one or more nucleic acids) in the genomic DNA sequence of an endogenous target gene resulting in the reduced expression and/or function the endogenous gene.
- modifications are referred to herein as “inactivating mutations” and endogenous genes comprising an inactivating mutation are referred to as “modified endogenous target genes.”
- the inactivating mutations reduce or inhibit mRNA transcription, thereby reducing the expression level of the encoded mRNA transcript and protein.
- the inactivating mutations reduce or inhibit mRNA translation, thereby reducing the expression level of the encoded protein.
- the inactivating mutations encode a modified endogenous protein with reduced or altered function compared to the unmodified (i.e., wild-type) version of the endogenous protein (e.g., a dominant-negative mutant, described infra).
- the modified immune effector cells comprise one or more genomic modifications at a genomic location other than an endogenous target gene that result in the reduced expression and/or function of the endogenous target gene or that result in the expression of a modified version of an endogenous protein.
- a polynucleotide sequence encoding a gene regulating system is inserted into one or more locations in the genome, thereby reducing the expression and/or function of an endogenous target gene upon the expression of the gene-regulating system.
- a polynucleotide sequence encoding a modified version of an endogenous protein is inserted at one or more locations in the genome, wherein the function of the modified version of the protein is reduced compared to the un-modified or wild-type version of the protein (e.g., a dominant-negative mutant, described infra).
- the modified immune effector cells described herein comprise one or more modified endogenous target genes, wherein the one or more modifications result in a reduced expression and/or function of a gene product (i.e., an mRNA transcript or a protein) encoded by the endogenous target gene compared to an unmodified immune effector cell.
- a modified immune effector cell demonstrates reduced expression of an mRNA transcript and/or reduced expression of a protein.
- the expression of the gene product in a modified immune effector cell is reduced by at least 5% compared to the expression of the gene product in an unmodified immune effector cell.
- the expression of the gene product in a modified immune effector cell is reduced by at least 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, or more compared to the expression of the gene product in an unmodified immune effector cell.
- the modified immune effector cells described herein demonstrate reduced expression and/or function of gene products encoded by a plurality (e.g., two or more) of endogenous target genes compared to the expression of the gene products in an unmodified immune effector cell.
- a modified immune effector cell demonstrates reduced expression and/or function of gene products from 2, 3, 4, 5, 6, 7, 8, 9, 10, or more endogenous target genes compared to the expression of the gene products in an unmodified immune effector cell.
- the present disclosure provides a modified immune effector cell wherein one or more endogenous target genes, or a portion thereof, are deleted (i.e., “knocked-out”) such that the modified immune effector cell does not express the mRNA transcript or protein.
- a modified immune effector cell comprises deletion of a plurality of endogenous target genes, or portions thereof.
- a modified immune effector cell comprises deletion of 2, 3, 4, 5, 6, 7, 8, 9, 10, or more endogenous target genes.
- the modified immune effector cells described herein comprise one or more modified endogenous target genes, wherein the one or more modifications to the target DNA sequence result in expression of a protein with reduced or altered function (e.g., a “modified endogenous protein”) compared to the function of the corresponding protein expressed in an unmodified immune effector cell (e.g., a “unmodified endogenous protein”).
- the modified immune effector cells described herein comprise 2, 3, 4, 5, 6, 7, 8, 9, 10, or more modified endogenous target genes encoding 2, 3, 4, 5, 6, 7, 8, 9, 10, or more modified endogenous proteins.
- the modified endogenous protein demonstrates reduced or altered binding affinity for another protein expressed by the modified immune effector cell or expressed by another cell; reduced or altered signaling capacity; reduced or altered enzymatic activity; reduced or altered DNA-binding activity; or reduced or altered ability to function as a scaffolding protein.
- the modified endogenous target gene comprises one or more dominant negative mutations.
- a “dominant-negative mutation” refers to a substitution, deletion, or insertion of one or more nucleotides of a target gene such that the encoded protein acts antagonistically to the protein encoded by the unmodified target gene.
- the mutation is dominant-negative because the negative phenotype confers genic dominance over the positive phenotype of the corresponding unmodified gene.
- a gene comprising one or more dominant-negative mutations and the protein encoded thereby are referred to as a “dominant-negative mutants”, e.g. dominant-negative genes and dominant-negative proteins.
- the dominant negative mutant protein is encoded by an exogenous transgene inserted at one or more locations in the genome of the immune effector cell.
- the gene product of a dominant negative mutant retains some functions of the unmodified gene product but lacks one or more crucial other functions of the unmodified gene product. This causes the dominant-negative mutant to antagonize the unmodified gene product.
- a dominant-negative mutant of a transcription factor may lack a functional activation domain but retain a functional DNA binding domain.
- the dominant-negative transcription factor cannot activate transcription of the DNA as the unmodified transcription factor does, but the dominant-negative transcription factor can indirectly inhibit gene expression by preventing the unmodified transcription factor from binding to the transcription-factor binding site.
- dominant-negative mutations of proteins that function as dimers are known.
- Dominant-negative mutants of such dimeric proteins may retain the ability to dimerize with unmodified protein but be unable to function otherwise.
- the dominant-negative monomers by dimerizing with unmodified monomers to form heterodimers, prevent formation of functional homodimers of the unmodified monomers.
- the modified immune effector cells comprise a gene-regulating system capable of reducing the expression or function of one or more endogenous target genes.
- the gene-regulating system can reduce the expression and/or function of the endogenous target genes modifications by a variety of mechanisms including by modifying the genomic DNA sequence of the endogenous target gene (e.g., by insertion, deletion, or mutation of one or more nucleic acids in the genomic DNA sequence); by regulating transcription of the endogenous target gene (e.g., inhibition or repression of mRNA transcription); and/or by regulating translation of the endogenous target gene (e.g., by mRNA degradation).
- the modified immune effector cells described herein comprise a gene-regulating system (e.g., a nucleic acid-based gene-regulating system, a protein-based gene-regulating system, or a combination protein/nucleic acid-based gene-regulating system).
- the gene-regulating system comprised in the modified immune effector cell is capable of modifying one or more endogenous target genes.
- the modified immune effector cells described herein comprise a gene-regulating system comprising:
- nucleic acid molecules capable of reducing the expression or modifying the function of a gene product encoded by one or more endogenous target genes
- gRNAs guide RNAs
- gDNAs guide DNAs
- one or more polynucleotides encoding the gene-regulating system are inserted into the genome of the immune effector cell. In some embodiments, one or more polynucleotides encoding the gene-regulating system are expressed episomaly and are not inserted into the genome of the immune effector cell.
- the modified immune effector cells described herein comprise reduced expression and/or function of one or more endogenous target genes and further comprise one or more exogenous transgenes inserted at one or more genomic loci (e.g., a genetic “knock-in”).
- the one or more exogenous transgenes encode detectable tags, safety-switch systems, chimeric switch receptors, and/or engineered antigen-specific receptors.
- the modified immune effector cells described herein further comprise an exogenous transgene encoding a detectable tag.
- detectable tags include but are not limited to, FLAG tags, poly-histidine tags (e.g. 6 ⁇ His), SNAP tags, Halo tags, cMyc tags, glutathione-S-transferase tags, avidin, enzymes, fluorescent proteins, luminescent proteins, chemiluminescent proteins, bioluminescent proteins, and phosphorescent proteins.
- the fluorescent protein is selected from the group consisting of blue/UV proteins (such as BFP, TagBFP, mTagBFP2, Azurite, EBFP2, mKalama1, Sirius, Sapphire, and T-Sapphire); cyan proteins (such as CFP, eCFP, Cerulean, SCFP3A, mTurquoise, mTurquoise2, monomeric Midoriishi-Cyan, TagCFP, and mTFP1); green proteins (such as: GFP, eGFP, meGFP (A208K mutation), Emerald, Superfolder GFP, Monomeric Azami Green, TagGFP2, mUKG, mWasabi, Clover, and mNeonGreen); yellow proteins (such as YFP, eYFP, Citrine, Venus, SYFP2, and TagYFP); orange proteins (such as Monomeric Kusabira-Orange, mKOK, mKO2, mOrange, and mOrange2); red proteins (such as
- the detectable tag can be selected from AmCyan, AsRed, DsRed2, DsRed Express, E2-Crimson, HcRed, ZsGreen, ZsYellow, mCherry, mStrawberry, mOrange, mBanana, mPlum, mRasberry, tdTomato, DsRed Monomer, and/or AcGFP, all of which are available from Clontech.
- the modified immune effector cells described herein further comprise an exogenous transgene encoding a safety-switch system.
- Safety-switch systems (also referred to in the art as suicide gene systems) comprise exogenous transgenes encoding for one or more proteins that enable the elimination of a modified immune effector cell after the cell has been administered to a subject. Examples of safety-switch systems are known in the art.
- safety-switch systems include genes encoding for proteins that convert non-toxic pro-drugs into toxic compounds such as the Herpes simplex thymidine kinase (Hsv-tk) and ganciclovir (GCV) system (Hsv-tk/GCV).
- Hsv-tk converts non-toxic GCV into a cytotoxic compound that leads to cellular apoptosis.
- administration of GCV to a subject that has been treated with modified immune effector cells comprising a transgene encoding the Hsv-tk protein can selectively eliminate the modified immune effector cells while sparing endogenous immune effector cells.
- Additional safety-switch systems include genes encoding for cell-surface markers, enabling elimination of modified immune effector cells by administration of a monoclonal antibody specific for the cell-surface marker via ADCC.
- the cell-surface marker is CD20 and the modified immune effector cells can be eliminated by administration of an anti-CD20 monoclonal antibody such as Rituximab (See e.g., Introna et al., Hum Gene Ther, 2000, 11(4):611-620; Serafini et al., Hum Gene Ther, 2004, 14, 63-76; van Meerten et al., Gene Ther, 2006, 13, 789-797).
- Additional safety-switch systems include transgenes encoding pro-apoptotic molecules comprising one or more binding sites for a chemical inducer of dimerization (CID), enabling elimination of modified immune effector cells by administration of a CID which induces oligomerization of the pro-apoptotic molecules and activation of the apoptosis pathway.
- the pro-apoptotic molecule is Fas (also known as CD95) (Thomis et al., Blood, 2001, 97(5), 1249-1257).
- the pro-apoptotic molecule is caspase-9 (Straathof et al., Blood, 2005, 105(11), 4247-4254).
- the modified immune effector cells described herein further comprise an exogenous transgene encoding a chimeric switch receptor.
- Chimeric switch receptors are engineered cell-surface receptors comprising an extracellular domain from an endogenous cell-surface receptor and a heterologous intracellular signaling domain, such that ligand recognition by the extracellular domain results in activation of a different signaling cascade than that activated by the wild type form of the cell-surface receptor.
- the chimeric switch receptor comprises the extracellular domain of an inhibitory cell-surface receptor fused to an intracellular domain that leads to the transmission of an activating signal rather than the inhibitory signal normally transduced by the inhibitory cell-surface receptor.
- extracellular domains derived from cell-surface receptors known to inhibit immune effector cell activation can be fused to activating intracellular domains. Engagement of the corresponding ligand will then activate signaling cascades that increase, rather than inhibit, the activation of the immune effector cell.
- the modified immune effector cells described herein comprise a transgene encoding a PD1-CD28 switch receptor, wherein the extracellular domain of PD1 is fused to the intracellular signaling domain of CD28 (See e.g., Liu et al., Cancer Res 76:6 (2016), 1578-1590 and Moon et al., Molecular Therapy 22 (2014), S201).
- the modified immune effector cells described herein comprise a transgene encoding the extracellular domain of CD200R and the intracellular signaling domain of CD28 (See Oda et al., Blood 130:22 (2017), 2410-2419).
- the modified immune effector cells described herein further comprise an engineered antigen-specific receptor recognizing a protein target expressed by a target cell, such as a tumor cell or an antigen presenting cell (APC), referred to herein as “modified receptor-engineered cells” or “modified RE-cells”.
- APC antigen presenting cell
- engineered antigen receptor refers to a non-naturally occurring antigen-specific receptor such as a chimeric antigen receptor (CAR) or a recombinant T cell receptor (TCR).
- the engineered antigen receptor is a CAR comprising an extracellular antigen binding domain fused via hinge and transmembrane domains to a cytoplasmic domain comprising a signaling domain.
- the CAR extracellular domain binds to an antigen expressed by a target cell in an MHC-independent manner leading to activation and proliferation of the RE cell.
- the extracellular domain of a CAR recognizes a tag fused to an antibody or antigen-binding fragment thereof.
- the antigen-specificity of the CAR is dependent on the antigen-specificity of the labeled antibody, such that a single CAR construct can be used to target multiple different antigens by substituting one antibody for another (See e.g., U.S. Pat. Nos. 9,233,125 and 9,624,279; US Patent Application Publication Nos. 20150238631 and 20180104354).
- the extracellular domain of a CAR may comprise an antigen binding fragment derived from an antibody.
- Antigen binding domains that are useful in the present disclosure include, for example, scFvs; antibodies; antigen binding regions of antibodies; variable regions of the heavy/light chains; and single chain antibodies.
- the intracellular signaling domain of a CAR may be derived from the TCR complex zeta chain (such as CD3 signaling domains), Fc ⁇ RIII, Fc ⁇ RI, or the T-lymphocyte activation domain.
- the intracellular signaling domain of a CAR further comprises a costimulatory domain, for example a 4-1BB, CD28, CD40, MyD88, or CD70 domain.
- the intracellular signaling domain of a CAR comprises two costimulatory domains, for example any two of 4-1BB, CD28, CD40, MyD88, or CD70 domains.
- Exemplary CAR structures and intracellular signaling domains are known in the art (See e.g., WO 2009/091826; US 20130287748; WO 2015/142675; WO 2014/055657; and WO 2015/090229, incorporated herein by reference).
- CARs specific for a variety of tumor antigens are known in the art, for example CD171-specific CARs (Park et al., Mol Ther (2007) 15(4):825-833), EGFRvIII-specific CARs (Morgan et al., Hum Gene Ther (2012) 23(10):1043-1053), EGF-R-specific CARs (Kobold et al., JNatl Cancer Inst (2014) 107(1):364), carbonic anhydrase K-specific CARs (Lamers et al., Biochem Soc Trans (2016) 44(3):951-959), FR- ⁇ -specific CARs (Kershaw et al., Clin Cancer Res (2006) 12(20):6106-6015), HER2-specific CARs (Ahmed et al., J Clin Oncol (2015) 33(15)1688-1696; Nakazawa et al., Mol Ther (2011) 19(12):2133-2143; Ahmed et al., Mol Ther (2009)
- the engineered antigen receptor is an engineered TCR.
- Engineered TCRs comprise TCR ⁇ and/or TCR ⁇ chains that have been isolated and cloned from T cell populations recognizing a particular target antigen.
- TCR ⁇ and/or TCR ⁇ genes i.e., TRAC and TRBC
- TRAC and TRBC can be cloned from T cell populations isolated from individuals with particular malignancies or T cell populations that have been isolated from humanized mice immunized with specific tumor antigens or tumor cells.
- Engineered TCRs recognize antigen through the same mechanisms as their endogenous counterparts (e.g., by recognition of their cognate antigen presented in the context of major histocompatibility complex (MHC) proteins expressed on the surface of a target cell). This antigen engagement stimulates endogenous signal transduction pathways leading to activation and proliferation of the TCR-engineered cells.
- MHC major histocompatibility complex
- Engineered TCRs specific for tumor antigens are known in the art, for example WT1-specific TCRs (JTCR016, Juno Therapeutics; WT1-TCRc4, described in US Patent Application Publication No. 20160083449), MART-1 specific TCRs (including the DMF4T clone, described in Morgan et al., Science 314 (2006) 126-129); the DMF5T clone, described in Johnson et al., Blood 114 (2009) 535-546); and the ID3T clone, described in van den Berg et al., Mol. Ther.
- WT1-specific TCRs JTCR016, Juno Therapeutics; WT1-TCRc4, described in US Patent Application Publication No. 20160083449
- MART-1 specific TCRs including the DMF4T clone, described in Morgan et al., Science 314 (2006) 126-129); the DMF5T clone, described in Johnson et al., Blood
- the engineered antigen receptor is directed against a target antigen selected from a cluster of differentiation molecule, such as CD3, CD4, CD8, CD16, CD24, CD25, CD33, CD34, CD45, CD64, CD71, CD78, CD80 (also known as B7-1), CD86 (also known as B7-2), CD96, CD116, CD117, CD123, CD133, and CD138, CD371 (also known as CLL1); a tumor-associated surface antigen, such as 5T4, BCMA (also known as CD269 and TNFRSF17, UniProt# Q02223), carcinoembryonic antigen (CEA), carbonic anhydrase 9 (CAIX or MN/CAIX), CD19, CD20, CD22, CD30, CD40, disialogangliosides such as GD2, ELF2M, ductal-epithelial mucin, ephrin B2, epithelial cell adhesion molecule (EpCAM), Era target antigen
- the modified immune effector cells described herein demonstrate an increase in one or more immune cell effector functions.
- effector function refers to functions of an immune cell related to the generation, maintenance, and/or enhancement of an immune response against a target cell or target antigen.
- the modified immune effector cells described herein demonstrate one or more of the following characteristics compared to an unmodified immune effector cell: increased infiltration or migration in to a tumor, increased proliferation, increased or prolonged cell viability, increased resistance to inhibitory factors in the surrounding microenvironment such that the activation state of the cell is prolonged or increased, increased production of pro-inflammatory immune factors (e.g., pro-inflammatory cytokines, chemokines, and/or enzymes), increased cytotoxicity, and/or increased resistance to exhaustion.
- pro-inflammatory immune factors e.g., pro-inflammatory cytokines, chemokines, and/or enzymes
- the modified immune effector cells described herein demonstrate increased infiltration into a tumor compared to an unmodified immune effector cell.
- increased tumor infiltration by modified immune effector cells refers to an increase the number of modified immune effector cells infiltrating into a tumor during a given period of time compared to the number of unmodified immune effector cells that infiltrate into a tumor during the same period of time.
- the modified immune effector cells demonstrate a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, or more fold increase in tumor filtration compared to an unmodified immune cell.
- Tumor infiltration can be measured by isolating one or more tumors from a subject and assessing the number of modified immune cells in the sample by flow cytometry, immunohistochemistry, and/or immunofluorescence.
- the modified immune effector cells described herein demonstrate an increase in cell proliferation compared to an unmodified immune effector cell.
- the result is an increase in the number of modified immune effector cells present compared to unmodified immune effector cells after a given period of time.
- modified immune effector cells demonstrate increased rates of proliferation compared to unmodified immune effector cells, wherein the modified immune effector cells divide at a more rapid rate than unmodified immune effector cells.
- the modified immune effector cells demonstrate a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, or more fold increase in the rate of proliferation compared to an unmodified immune cell.
- modified immune effector cells demonstrate prolonged periods of proliferation compared to unmodified immune effector cells, wherein the modified immune effector cells and unmodified immune effector cells divide at similar rates, but wherein the modified immune effector cells maintain the proliferative state for a longer period of time.
- the modified immune effector cells maintain a proliferative state for 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, or more times longer than an unmodified immune cell.
- the modified immune effector cells described herein demonstrate increased or prolonged cell viability compared to an unmodified immune effector cell.
- the result is an increase in the number of modified immune effector cells or present compared to unmodified immune effector cells after a given period of time.
- modified immune effector cells described herein remain viable and persist for 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, or more times longer than an unmodified immune cell.
- the modified immune effector cells described herein demonstrate increased resistance to inhibitory factors compared to an unmodified immune effector cell.
- inhibitory factors include signaling by immune checkpoint molecules (e.g., PD1, PDL1, CTLA4, LAG3, IDO) and/or inhibitory cytokines (e.g., IL-10, TGF ⁇ ).
- the modified T cells described herein demonstrate increased resistance to T cell exhaustion compared to an unmodified T cell.
- T cell exhaustion is a state of antigen-specific T cell dysfunction characterized by decreased effector function and leading to subsequent deletion of the antigen-specific T cells.
- exhausted T cells lack the ability to proliferate in response to antigen, demonstrate decreased cytokine production, and/or demonstrate decreased cytotoxicity against target cells such as tumor cells.
- exhausted T cells are identified by altered expression of cell surface markers and transcription factors, such as decreased cell surface expression of CD122 and CD127; increased expression of inhibitory cell surface markers such as PD1, LAG3, CD244, CD160, TIM3, and/or CTLA4; and/or increased expression of transcription factors such as Blimp1, NFAT, and/or BATF.
- exhausted T cells demonstrate altered sensitivity to cytokine signaling, such as increased sensitivity to TGF ⁇ signaling and/or decreased sensitivity to IL-7 and IL-15 signaling.
- T cell exhaustion can be determined, for example, by co-culturing the T cells with a population of target cells and measuring T cell proliferation, cytokine production, and/or lysis of the target cells.
- the modified immune effector cells described herein are co-cultured with a population of target cells (e.g., autologous tumor cells or cell lines that have been engineered to express a target tumor antigen) and effector cell proliferation, cytokine production, and/or target cell lysis is measured. These results are then compared to the results obtained from co-culture of target cells with a control population of immune cells (such as unmodified immune effector cells or immune effector cells that have a control modification).
- target cells e.g., autologous tumor cells or cell lines that have been engineered to express a target tumor antigen
- effector cell proliferation, cytokine production, and/or target cell lysis is measured.
- resistance to T cell exhaustion is demonstrated by increased production of one or more cytokines (e.g., IFN ⁇ , TNF ⁇ , or IL-2) from the modified immune effector cells compared to the cytokine production observed from the control population of immune cells.
- cytokines e.g., IFN ⁇ , TNF ⁇ , or IL-2
- a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 or more fold increase in cytokine production from the modified immune effector cells compared to the cytokine production from the control population of immune cells is indicative of an increased resistance to T cell exhaustion.
- resistance to T cell exhaustion is demonstrated by increased proliferation of the modified immune effector cells compared to the proliferation observed from the control population of immune cells.
- a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 or more fold increase in proliferation of the modified immune effector cells compared to the proliferation of the control population of immune cells is indicative of an increased resistance to T cell exhaustion.
- resistance to T cell exhaustion is demonstrated by increased target cell lysis by the modified immune effector cells compared to the target cell lysis observed by the control population of immune cells.
- a 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 or more fold increase in target cell lysis by the modified immune effector cells compared to the target cell lysis by the control population of immune cells is indicative of an increased resistance to T cell exhaustion.
- exhaustion of the modified immune effector cells compared to control populations of immune cells is measured during the in vitro or ex vivo manufacturing process.
- TILs isolated from tumor fragments are modified according to the methods described herein and then expanded in one or more rounds of expansion to produce a population of modified TILs.
- the exhaustion of the modified TILs can be determined immediately after harvest and prior to a first round of expansion, after the first round of expansion but prior to a second round of expansion, and/or after the first and the second round of expansion.
- exhaustion of the modified immune effector cells compared to control populations of immune cells is measured at one or more time points after transfer of the modified immune effector cells into a subject.
- the modified cells are produced according to the methods described herein and administered to a subject. Samples can then be taken from the subject at various time points after the transfer to determine exhaustion of the modified immune effector cells in vivo over time.
- the modified immune effector cells described herein demonstrate increased expression or production of pro-inflammatory immune factors compared to an unmodified immune effector cell.
- pro-inflammatory immune factors include cytolytic factors, such as granzyme B, perforin, and granulysin; and pro-inflammatory cytokines such as interferons (IFN ⁇ , IFN ⁇ , IFN ⁇ ), TNF ⁇ , IL-10, IL-12, IL-2, IL-17, CXCL8, and/or IL-6.
- cytolytic factors such as granzyme B, perforin, and granulysin
- pro-inflammatory cytokines such as interferons (IFN ⁇ , IFN ⁇ , IFN ⁇ ), TNF ⁇ , IL-10, IL-12, IL-2, IL-17, CXCL8, and/or IL-6.
- the modified immune effector cells described herein demonstrate increased cytotoxicity against a target cell compared to an unmodified immune effector cell. In some embodiments, the modified immune effector cells demonstrate a 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, or more fold increase in cytotoxicity against a target cell compared to an unmodified immune cell.
- tumor infiltration can be measured by isolating tumors from a subject and determining the total number and/or phenotype of the lymphocytes present in the tumor by flow cytometry, immunohistochemistry, and/or immunofluorescence.
- Cell-surface receptor expression can be determined by flow cytometry, immunohistochemistry, immunofluorescence, Western blot, and/or qPCR.
- Cytokine and chemokine expression and production can be measured by flow cytometry, immunohistochemistry, immunofluorescence, Western blot, ELISA, and/or qPCR.
- Responsiveness or sensitivity to extracellular stimuli can be measured by assaying cellular proliferation and/or activation of downstream signaling pathways (e.g., phosphorylation of downstream signaling intermediates) in response to the stimuli.
- Cytotoxicity can be measured by target-cell lysis assays known in the art, including in vitro or ex vivo co-culture of the modified immune effector cells with target cells and in vivo murine tumor models, such as those described throughout the Examples.
- the modified immune effector cells described herein demonstrate a reduced expression or function of one or more endogenous target genes and/or comprise a gene-regulating system capable of reducing the expression and/or function of one or more endogenous target genes (described infra).
- the one or more endogenous target genes are present in pathways related to the activation and regulation of effector cell responses.
- the reduced expression or function of the one or more endogenous target genes enhances one or more effector functions of the immune cell.
- Exemplary pathways suitable for regulation by the methods described herein are shown in Table 1.
- the expression of an endogenous target gene in a particular pathway is reduced in the modified immune effector cells.
- the expression of a plurality (e.g., two or more) of endogenous target genes in a particular pathway are reduced in the modified immune effector cells.
- the expression of 2, 3, 4, 5, 6, 7, 8, 9, 10, or more endogenous target genes in a particular pathway may be reduced.
- the expression of an endogenous target gene in one pathway and the expression of an endogenous target genes in another pathway is reduced in the modified immune effector cells.
- the expression of a plurality of endogenous target genes in one pathway and the expression of a plurality of endogenous target genes in another pathway are reduced in the modified immune effector cells.
- the expression of 2, 3, 4, 5, 6, 7, 8, 9, 10, or more endogenous target genes in one pathway may be reduced and the expression of 2, 3, 4, 5, 6, 7, 8, 9, 10, or more endogenous target genes in another particular pathway may be reduced.
- the expression of a plurality of endogenous target genes in a plurality of pathways is reduced.
- one endogenous gene from each of a plurality of pathways e.g., 2, 3, 4, 5, 6, 7, 8, 9, 10, or more pathways
- a plurality of endogenous genes e.g., 2, 3, 4, 5, 6, 7, 8, 9, 10, or more genes
- 2, 3, 4, 5, 6, 7, 8, 9, 10, or more pathways may be reduced.
- Lymphocyte differentiation Signaling pathway which controls stem cell differentiation from a common lymphoid progenitor to the distinctive lymphocyte type (T cell, B cell or NK cell) NF ⁇ signaling Signaling pathway that controls transcription of DNA, cytokine production and cell survival generally in response to harmful cell stimuli.
- TGF- ⁇ signaling Signaling pathway that regulates cell growth, cell differentiation, apoptosis, cellular homeostasis and other cellular functions.
- T cell activation Pathway that is initiated by binding of the T cell receptor (TCR) complex to a major histocompatibility complex molecule carrying a peptide antigen and by binding of the co-stimulatory receptor CD28 to proteins in the surface of the antigen presenting cell.
- T cell growth Signaling pathway that controls programmed cell death in response to either extrinsic signals or intrinsic cellular stresses Pyrimidine biosynthesis
- a de novo nucleotide biosynthesis pathway for components of RNA and DNA Cytokine Signaling Signaling pathways down stream of cytokine receptors typically involve positive JAK/STAT signaling
- Apoptosis initiation Genes that initiate either the intrinsic or extrinsic apoptotic pathway, which drives programed cell death of the cell Transcription initiation Genes that directly bind the promoters of target genes and act as repressors or transcriptional activators of target gene transcription
- Ca2++ binding Ca2++ serves as a second messenger in response to stimuli and drives intracellular signaling in a number of processes, including inflammation and the immune response.
- Ca2++ signaling is required for the activation of T cells in response to antigen
- the modified effector cells comprise reduced expression and/or function of one or more of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., one or more endogenous target genes selected from Table 2).
- the modified effector cells comprise reduced expression and/or function of one or more of TNFAIP3, CBLB, or BCOR.
- the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR (e.g., at least two genes selected from Table 2).
- the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from Combination Nos. 1-600, as illustrated in FIG. 1A - FIG.
- the modified immune effector cells comprise reduced expression and/or function of BCOR and reduced expression and/or function of CBLB. While exemplary methods for modifying the expression of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and/or BCOR are described herein, the expression of these endogenous target genes may also be modified by methods known in the art.
- inhibitory antibodies against PD1 encoded by PDCD1
- NRP1, HACR2, LAG3, TIGIT, and CTLA4 are known in the art and some are FDA approved for oncologic indications (e.g., nivolumab and pembrolizumab for PD1).
- the modified immune effector cells comprise reduced expression and/or function of one or more of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., one or more endogenous target genes selected from Table 3).
- the modified effector cells described herein comprise reduced expression and/or function of the Semaphorin 7A, (SEMA7A) gene, also known as CD108. In some embodiments, the modified effector cells described herein comprise an inactivating mutation in the SEMA7A gene.
- SEMA7A Semaphorin 7A
- the modified effector cells described herein comprise reduced expression and/or function of the RNA-binding protein 39 (RBM39) gene.
- RBM39 protein is found in the nucleus, where it colocalizes with core spliceosomal proteins. Studies of a mouse protein with high sequence similarity to this protein suggest that this protein may act as a transcriptional coactivator for JUN/AP-1 and estrogen receptors.
- the modified effector cells described herein comprise an inactivating mutation in the RBM39 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the Bcl-2-like protein 11 (BCL2L11) gene, also commonly called BIM. In some embodiments, the modified effector cells described herein comprise an inactivating mutation in the BCL2L11 gene
- the modified effector cells described herein comprise reduced expression and/or function of the Friend leukemia integration 1 transcription factor (FLI1) gene, also known as transcription factor ERGB. In some embodiments, the modified effector cells described herein comprise an inactivating mutation in the FLI1 gene.
- FLI1 Friend leukemia integration 1 transcription factor
- the modified effector cells described herein comprise reduced expression and/or function of the Calmodulin 2 (CALM2) gene. In some embodiments, the modified effector cells described herein comprise an inactivating mutation in the CALM2 gene.
- CALM2 Calmodulin 2
- the modified effector cells described herein comprise reduced expression and/or function of the Dihydroorotate dehydrogenase gene (DHODH) gene.
- DHODH Dihydroorotate dehydrogenase gene
- the DHODH protein is a mitochondrial protein located on the outer surface of the inner mitochondrial membrane and catalyzes the ubiquinone-mediated oxidation of dihydroorotate to orotate in de novo pyrimidine biosynthesis.
- the modified effector cells described herein comprise an inactivating mutation in the DHODH gene.
- the modified effector cells described herein comprise reduced expression and/or function of the uridine monophosphate synthase (UMPS) gene, also referred to as orotate phosphoribosyl transferase or orotidine-5′-decarboxylase.
- UMPS uridine monophosphate synthase
- the UMPS protein catalyses the formation of uridine monophosphate (UMP), an energy-carrying molecule in many important biosynthetic pathways.
- the modified effector cells described herein comprise an inactivating mutation in the UMPS gene.
- the modified effector cells described herein comprise reduced expression and/or function of the cysteine rich hydrophobic domain 2 (CHIC2) gene.
- the encoded CHIC2 protein contains a cysteine-rich hydrophobic (CHIC) motif, and is localized to vesicular structures and the plasma membrane and is associated with some cases of acute myeloid leukemia.
- the modified effector cells described herein comprise an inactivating mutation in the CHIC2 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the Poly(rC)-binding protein 1(PCBP1) gene. In some embodiments, the modified effector cells described herein comprise an inactivating mutation in the PCBP1 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the Protein polybromo-1 (PBRM1) gene, also known as BRG1-associated factor 180 (BAF180).
- PBRM1 is a component of the SWI/SNF-B chromatin-remodeling complex, and is a tumor suppressor gene in many cancer subtypes. Mutations are especially prevalent in clear cell renal cell carcinoma.
- the modified effector cells described herein comprise an inactivating mutation in the PBRM1 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the WD repeat-containing protein 6 (WDR6) gene, a member of the WD repeat protein family ubiquitously expressed in adult and fetal tissues.
- WDR6 WD repeat-containing protein 6
- GH-WD gly-his and trp-asp
- Members of this family are involved in a variety of cellular processes, including cell cycle progression, signal transduction, apoptosis, and gene regulation.
- the modified effector cells described herein comprise an inactivating mutation in the WDR6 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the E2F transcription factor 8 (E2F8) gene.
- E2F8 protein regulates progression from G1 to S phase by ensuring the nucleus divides at the proper time.
- the modified effector cells described herein comprise an inactivating mutation in the E2F8 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the serpin family A member 3 (SERPINA3) gene.
- SERPINA3 encodes the Alpha 1-antichymotrypsin ( ⁇ 1AC, A1AC, or a1ACT) protein, which inhibits the activity of certain proteases, such as cathepsin G and chymases.
- the modified effector cells described herein comprise an inactivating mutation in the SERPINA3 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the GNAS complex locus (GNAS) gene. It is the stimulatory G-protein alpha subunit (Gs- ⁇ ), a key component of many signal transduction pathways. In some embodiments, the modified effector cells described herein comprise an inactivating mutation in the GNAS gene.
- GNAS GNAS complex locus
- the modified effector cells described herein comprise reduced expression and/or function of the ZC3H12A gene.
- Zc3h12a also referred to as MCPIP1 and Regnase-1, is a RNase that possesses a RNase domain just upstream of a CCCH-type zinc-finger motif. Through its nuclease activity, Zc3h12a targets and destabilizes the mRNAs of transcripts, such as IL-6, by binding a conserved stem loop structure within the 3′ UTR of these genes. In T cells, Zc3h12a controls the transcript levels of a number of pro-inflammatory genes, including c-Rel, Ox40, and IL-2.
- Zc3h12a downregulates IL-6 and IL-12B mRNAs, thus mitigating inflammation.
- Zc3h12a promotes apoptosis by inhibiting anti-apoptotic genes including Bcl2L1, Bcl2A1, RelB and Bcl3.
- Zc3h12a activation is transient and is subject to negative feedback mechanisms including proteasome-mediated degradation or mucosa-associated lymphoid tissue 1 (MALT1) mediated cleavage.
- the modified effector cells described herein comprise an inactivating mutation in the ZC3H12A gene.
- the modified effector cells described herein comprise reduced expression and/or function of the MAP4K1 gene.
- MAP4K1 also referred to as HPK1
- HPK1 is a member of the MAP4K family of mammalian Ste20-related protein kinases and is a protein serine-threonine kinase predominantly expressed in hematopoietic organs.
- the MAP4K1 protein comprises an N-terminal kinase domain followed by four proline-rich motifs capable of binding to proteins containing Src homology 3 domains.
- MAP4K1 Upon phosphorylation by kinases such as Lck and Zap70 and in the presence of ATP, MAP4K1 possesses catalytic activity and mediates autophosphorylation as well as phosphorylation of downstream substrate proteins such as SLP-76 and MAP3K proteins. Phosphorylation of SLP-76 at Ser-376 leads to both the ubiquitination and proteosomal degradation of SLP-76 as well as increased interactions between SLP-76 and 14-3-3 ⁇ , which negatively regulates TCR signaling.
- the modified effector cells described herein comprise an inactivating mutation in the MAP4K1 gene.
- the modified effector cells described herein comprise reduced expression and/or function of the NR4A3 gene.
- NR4A3 is an inducible orphan receptor and member of the steroid-thyroid hormone-retinoid receptor superfamily, and is a transcriptional activator. When expression is induced by various stimuli, NR4A3 drives gene expression in a ligand-independent way by translocating from the cytoplasm to the nucleus and binding to NR4A1 response elements (NBRE) as monomers and Nur response elements (NurRE) as homodimers. NR4A3 then drives the transcription of discrete sets of genes controlling cellular survival and differentiation both within and outside the immune system.
- the modified effector cells described herein comprise an inactivating mutation in the NR4A3 gene.
- the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., two or more genes selected from Table 3).
- the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from Combination Nos. 1176-1681, as illustrated in FIG. 3A - FIG. 3B .
- the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from Combination Nos. 1176-1483, as illustrated in FIG. 3A . In some embodiments, the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from Combination Nos. 1250-1265, as illustrated in FIG. 3B . In some embodiments, the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from Combination Nos. 1266-1281, as illustrated in FIG. 3B . In some embodiments, the modified immune effector cells comprise reduced expression and/or function of at least two genes selected from Combination Nos. 1282-1297, as illustrated in FIG. 3B .
- the modified effector cells comprise reduced expression and/or function of one or more of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., one or more gene selected from Table 3) and one or more of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., one or more gene selected from Table 2).
- BCL2L11 FLI1, CALM2, DHODH, UMPS, RBM39, SEMA
- the modified immune effector cells may comprise reduced expression and/or function of a combination of an endogenous target genes selected from Combination Nos. 601-1025.
- the modified immune effector cells may comprise reduced expression and/or function of a combination of two endogenous target genes selected from Combination Nos. 601-950 (as illustrated in FIG. 2A ).
- the modified immune effector cells may comprise reduced expression and/or function of a combination of two endogenous target genes selected from Combination Nos. 951-975 (as illustrated in FIG. 2B ).
- the modified immune effector cells may comprise reduced expression and/or function of a combination of two endogenous target genes selected from Combination Nos. 976-1000 (as illustrated in FIG. 2B ).
- the modified immune effector cells may comprise reduced expression and/or function of a combination of two endogenous target genes selected from Combination Nos. 1001-1025 (as illustrated in FIG. 2B ).
- the modified effector cells comprise reduced expression and/or function of at least one gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and reduced expression and/or function of at least one gene selected from TNFAIP3, CBLB, or BCOR.
- the modified effector cells comprise reduced expression and/or function of ZC3H12A and at least one gene selected from TNFAIP3, CBLB, or BCOR.
- the modified effector cells comprise inactivating mutations in ZC3H12A and at least one gene selected from TNFAIP3, CBLB, or BCOR.
- the modified effector cells comprise reduced expression and/or function of MAP4K1 and at least one gene selected from TNFAIP3, CBLB, or BCOR. In some embodiments, the modified effector cells comprise inactivating mutations in MAP4K1 and at least one gene selected from TNFAIP3, CBLB, or BCOR. In some embodiments, the modified effector cells comprise reduced expression and/or function of NR4A3 and at least one gene selected from TNFAIP3, CBLB, or BCOR. In some embodiments, the modified effector cells comprise inactivating mutations in NR4A3 and at least one gene selected from TNFAIP3, CBLB, or BCOR.
- the modified effector cells comprise reduced expression and/or function of at least one gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 and reduced expression and/or function of CBLB.
- the modified effector cells comprise reduced expression and/or function of at least one gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS and reduced expression and/or function of CBLB.
- the modified effector cells comprise reduced expression and/or function of ZC3H12A and CBLB.
- the modified effector cells comprise inactivating mutations in ZC3H12A and CBLB.
- the modified effector cells comprise reduced expression and/or function of MAP4K1 and CBLB.
- the modified effector cells comprise inactivating mutations in MAP4K1 and CBLB. In some embodiments, the modified effector cells comprise reduced expression and/or function of NR4A3 and CBLB. In some embodiments, the modified effector cells comprise inactivating mutations in NR4A3 and CBLB.
- the modified immune effector cells comprise reduced expression and/or function of a gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., one or more gene selected from Table 2) and reduced expression and/or function of two genes selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., one or more gene selected from Table 3).
- the modified immune effector cells comprises reduced expression and/or function of a gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, and BCOR in addition to reduced expression and/or function of two endogenous target gene combinations selected from Combination Nos. 1026-1297 (as illustrated in FIG. 3A - FIG. 3B ).
- the modified immune effector cells comprise reduced expression and/or function of a gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3) and reduced expression and/or function of two genes selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., one or more gene selected from Table 2).
- the modified immune effector cells comprise reduced expression and/or function of any one of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 in addition to reduced expression and/or function of two endogenous target gene combinations selected from Combination Nos. 1-600 illustrated in FIG. 1A - FIG. 1B .
- the modified immune effector cells comprise reduced expression and/or function of a gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS in addition to reduced expression and/or function of two endogenous target gene combinations selected from Combination Nos. 1-600 illustrated in FIG. 1A - FIG. 1B .
- the modified immune effector cells comprise reduced expression and/or function of ZC3H12A in addition to reduced expression and/or function of two endogenous target gene combinations selected from Combination Nos. 1-600 illustrated in FIG. 1A - FIG. 1B .
- the modified immune effector cells comprise reduced expression and/or function of MAP4K1 in addition to reduced expression and/or function of two endogenous target gene combinations selected from Combination Nos. 1-600 illustrated in FIG. 1A - FIG. 1B .
- the modified immune effector cells comprise reduced expression and/or function of NR4A3 in addition to reduced expression and/or function of two endogenous target gene combinations selected from Combination Nos. 1-600 illustrated in FIG. 1A - FIG. 1B .
- the modified immune effector cells comprise reduced expression and/or function of a plurality of genes selected from Table 2 and reduced expression and/or function of a plurality of genes selected from Table 3. In some embodiments, the modified immune effector cells comprise reduced expression and/or function of two genes selected from Table 2 and reduced expression and/or function of two genes selected from Table 3. For example, in some embodiments, the modified immune effector cells comprise reduced expression and/or function of a combination of two genes selected from Combination Nos. 1026-1297 as shown in FIG. 3A - FIG. 3B and a combination of two genes selected from Combination Nos. 1-600 as shown in FIG. 1A - FIG. 1B .
- the modified immune effector cells may comprise reduced expression and/or function of three or more of IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and reduced expression and/or function of three or more of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3.
- IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA SMAD2, TGFBR1, TGFBR2, TANK,
- gene-regulating system refers to a protein, nucleic acid, or combination thereof that is capable of modifying an endogenous target DNA sequence when introduced into a cell, thereby regulating the expression or function of the encoded gene product.
- Numerous gene editing systems suitable for use in the methods of the present disclosure are known in the art including, but not limited to, shRNAs, siRNAs, zinc-finger nuclease systems, TALEN systems, and CRISPR/Cas systems.
- “regulate,” when used in reference to the effect of a gene-regulating system on an endogenous target gene encompasses any change in the sequence of the endogenous target gene, any change in the epigenetic state of the endogenous target gene, and/or any change in the expression or function of the protein encoded by the endogenous target gene.
- the gene-regulating system may mediate a change in the sequence of the endogenous target gene, for example, by introducing one or more mutations into the endogenous target sequence, such as by insertion or deletion of one or more nucleic acids in the endogenous target sequence.
- exemplary mechanisms that can mediate alterations of the endogenous target sequence include, but are not limited to, non-homologous end joining (NHEJ) (e.g., classical or alternative), microhomology-mediated end joining (MMEJ), homology-directed repair (e.g., endogenous donor template mediated), SDSA (synthesis dependent strand annealing), single strand annealing or single strand invasion.
- NHEJ non-homologous end joining
- MMEJ microhomology-mediated end joining
- homology-directed repair e.g., endogenous donor template mediated
- SDSA synthesis dependent strand annealing
- single strand annealing single strand invasion.
- the gene-regulating system may mediate a change in the epigenetic state of the endogenous target sequence.
- the gene-regulating system may mediate covalent modifications of the endogenous target gene DNA (e.g., cytosine methylation and hydroxymethylation) or of associated histone proteins (e.g. lysine acetylation, lysine and arginine methylation, serine and threonine phosphorylation, and lysine ubiquitination and sumoylation).
- the gene-regulating system may mediate a change in the expression of the protein encoded by the endogenous target gene.
- the gene-regulating system may regulate the expression of the encoded protein by modifications of the endogenous target DNA sequence, or by acting on the mRNA product encoded by the DNA sequence.
- the gene-regulating system may result in the expression of a modified endogenous protein.
- the modifications to the endogenous DNA sequence mediated by the gene-regulating system result in the expression of an endogenous protein demonstrating a reduced function as compared to the corresponding endogenous protein in an unmodified immune effector cell.
- the expression level of the modified endogenous protein may be increased, decreased or may be the same, or substantially similar to, the expression level of the corresponding endogenous protein in an unmodified immune cell.
- a nucleic acid-based gene-regulating system is a system comprising one or more nucleic acid molecules that is capable of regulating the expression of an endogenous target gene without the requirement for an exogenous protein.
- the nucleic acid-based gene-regulating system comprises an RNA interference molecule or antisense RNA molecule that is complementary to a target nucleic acid sequence.
- an “antisense RNA molecule” refers to an RNA molecule, regardless of length, that is complementary to an mRNA transcript. Antisense RNA molecules refer to single stranded RNA molecules that can be introduced to a cell, tissue, or subject and result in decreased expression of an endogenous target gene product through mechanisms that do not rely on endogenous gene silencing pathways, but rather rely on RNaseH-mediated degradation of the target mRNA transcript.
- an antisense nucleic acid comprises a modified backbone, for example, phosphorothioate, phosphorodithioate, or others known in the art, or may comprise non-natural internucleoside linkages.
- an antisense nucleic acid can comprise locked nucleic acids (LNA).
- RNA interference molecule refers to an RNA polynucleotide that mediates the decreased the expression of an endogenous target gene product by degradation of a target mRNA through endogenous gene silencing pathways (e.g., Dicer and RNA-induced silencing complex (RISC)).
- RISC RNA-induced silencing complex
- exemplary RNA interference agents include micro RNAs (also referred to herein as “miRNAs”), short hair-pin RNAs (shRNAs), small interfering RNAs (siRNAs), RNA aptamers, and morpholinos.
- the nucleic acid-based gene-regulating system comprises one or more miRNAs.
- miRNAs refers to naturally occurring, small non-coding RNA molecules of about 21-25 nucleotides in length. miRNAs are at least partially complementary to one or more target mRNA molecules. miRNAs can downregulate (e.g., decrease) expression of an endogenous target gene product through translational repression, cleavage of the mRNA, and/or deadenylation.
- the nucleic acid-based gene-regulating system comprises one or more shRNAs.
- shRNAs are single stranded RNA molecules of about 50-70 nucleotides in length that form stem-loop structures and result in degradation of complementary mRNA sequences.
- shRNAs can be cloned in plasmids or in non-replicating recombinant viral vectors to be introduced intracellularly and result in the integration of the shRNA-encoding sequence into the genome. As such, an shRNA can provide stable and consistent repression of endogenous target gene translation and expression.
- nucleic acid-based gene-regulating system comprises one or more siRNAs.
- siRNAs refer to double stranded RNA molecules typically about 21-23 nucleotides in length.
- the siRNA associates with a multi protein complex called the RNA-induced silencing complex (RISC), during which the “passenger” sense strand is enzymatically cleaved.
- RISC RNA-induced silencing complex
- the antisense “guide” strand contained in the activated RISC guides the RISC to the corresponding mRNA because of sequence homology and the same nuclease cuts the target mRNA, resulting in specific gene silencing.
- an siRNA is 18, 19, 20, 21, 22, 23 or 24 nucleotides in length and has a 2 base overhang at its 3′ end.
- siRNAs can be introduced to an individual cell and/or culture system and result in the degradation of target mRNA sequences.
- siRNAs and shRNAs are further described in Fire et al., Nature, 391:19, 1998 and U.S. Pat. Nos. 7,732,417; 8,202,846; and 8,383,599.
- the nucleic acid-based gene-regulating system comprises one or more morpholinos.
- “Morpholino” as used herein refers to a modified nucleic acid oligomer wherein standard nucleic acid bases are bound to morpholine rings and are linked through phosphorodiamidate linkages. Similar to siRNA and shRNA, morpholinos bind to complementary mRNA sequences. However, morpholinos function through steric-inhibition of mRNA translation and alteration of mRNA splicing rather than targeting complementary mRNA sequences for degradation.
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA encoded by a DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (i.e., those listed in Table 2).
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a RNA sequence encoded by a DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B.
- the referenced genomic coordinates are based on genomic annotations in the GRCh38 (also referred to as hg38) assembly of the human genome from the Genome Reference Consortium, available at the National Center for Biotechnology Information website.
- Tools and methods for converting genomic coordinates between one assembly and another are known in the art and can be used to convert the genomic coordinates provided herein to the corresponding coordinates in another assembly of the human genome, including conversion to an earlier assembly generated by the same institution or using the same algorithm (e.g., from GRCh38 to GRCh37), and conversion an assembly generated by a different institution or algorithm (e.g., from GRCh38 to NCBI33, generated by the International Human Genome Sequencing Consortium).
- Available methods and tools known in the art include, but are not limited to, NCBI Genome Remapping Service, available at the National Center for Biotechnology Information website, UCSC LiftOver, available at the UCSC Genome Brower website, and Assembly Converter, available at the Ensembl.org website.
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of CBLB, and comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 499-524.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of BCOR, and comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 708-772 or SEQ ID NOs: 708-764.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of TNFAIP3, and comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 348-396 or SEQ ID NOs: 348-386.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises an siRNA molecule or an shRNA molecule selected from those known in the art, such as the siRNA and shRNA constructs available from commercial suppliers such as Sigma Aldrich, Dharmacon, ThermoFisher, and the like.
- the endogenous target gene is CBLB and the nucleic acid molecule is an shRNA encoded by a nucleic acid sequence selected from SEQ ID NOs: 41-44 (See International PCT Publication No. 2018156886) or selected from SEQ ID NOs: 45-53 (See International PCT Publication No. WO 2017120998).
- the endogenous target gene is CBLB and the nucleic acid molecule is an siRNA comprising a nucleic acid sequence selected from SEQ ID NOs: 54-63 (See International PCT Publication No. WO 2018006880) or SEQ ID NOs: 64-73 (See International PCT Publication Nos. WO 2018120998 and WO 2018137293).
- the endogenous target gene is TNFAIP3 and the nucleic acid molecule is an shRNA encoded by a nucleic acid sequence selected from SEQ ID NOs: 74-95 (See U.S. Pat. No. 8,324,369).
- the endogenous target gene is TNFAIP3 and the nucleic acid molecule is an siRNA comprising a nucleic acid sequence selected from SEQ ID NOs: 96-105 (See International PCT Publication No. WO 2018006880).
- the endogenous target gene is CTLA4 and the nucleic acid molecule is an shRNA encoded by a nucleic acid sequence selected from SEQ ID NOs: 128-133 (See International PCT Publication No. WO 2017120996).
- the endogenous target gene is CTLA4 and the nucleic acid molecule is an siRNA comprising a nucleic acid sequence selected from SEQ ID NOs: 134-143 (See International PCT Publication Nos. WO2017120996, WO 2017120998, WO 2018137295, and WO 2018137293) or SEQ ID NOs: 144-153 (See International PCT Publication No. WO 2018006880).
- the endogenous target gene is PDCD1 and the nucleic acid molecule is an shRNA encoded by a nucleic acid sequence selected from SEQ ID NOs: 106-107 (See International PCT Publication Nos. WO 2017120996).
- the endogenous target gene is PDCD1 and the nucleic acid molecule is an siRNA comprising a nucleic acid sequence selected from SEQ ID NOs: 108-117 (See International PCT Publication Nos. WO2017120996, WO 201712998, WO 2018137295, and WO 2018137293) or SEQ ID NOs: 118-127 (See International PCT Publication No. WO 2018006880).
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by a DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (i.e., those listed in Table 3).
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by a DNA sequence defined by a set of genomic coordinates shown in Table 6A-Table 6H.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 814-1566.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by a DNA sequence defined by a set of genomic coordinates shown in one of Table 6A or Table 6B.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 814-1064.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of ZC3H12A.
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by a DNA sequence defined by a set of genomic coordinates shown in one of Table 6C or Table 6D.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1065-1509.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1065-1264.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of MAP4K1.
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by a DNA sequence defined by a set of genomic coordinates shown in one of Table 6E or Table 6F.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 510-1538.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system is capable of reducing the expression and/or function of NR4A3.
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by a DNA sequence defined by a set of genomic coordinates shown in one of Table 6G or Table 6H.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises a nucleic acid molecule (e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino) that binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99%, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1539-1566.
- a nucleic acid molecule e.g., an siRNA, an shRNA, an RNA aptamer, or a morpholino
- the nucleic acid-based gene-regulating system comprises an siRNA molecule or an shRNA molecule selected from those known in the art, such as those available from commercial suppliers such as Sigma Aldrich, Dharmacon, ThermoFisher, and the like. Exemplary siRNA and shRNA constructs are described in Table 4A and Table 4B below.
- the nucleic acid-based gene-regulating system comprises two or more siRNA molecules selected from those known in the art, such as the siRNA constructs described in Table 4A.
- the nucleic acid-based gene-regulating system comprises two or more shRNA molecules selected from those known in the art, such as the shRNA constructs described in Table 4B.
- siRNA constructs Target Gene siRNA construct SEMA7A MISSION ® esiRNA human SEMA7A (esiRNA1) (SigmaAldrich Product# EHU143161) MISSION ® esiRNA targeting mouse Sema7a (esiRNA1) (SigmaAldrich Product# EMU010311) human Rosetta Predictions (SigmaAldrich Product# NM_003612) murine Rosetta Predictions (SigmaAldrich Product# NM_011352) RBM39 MISSION ® esiRNA human RBM39 (esiRNA1) (SigmaAldrich Product# EHU070351) human Rosetta Predictions (SigmaAldrich Product# NM_004902) human Rosetta Predictions (SigmaAldrich Product# NM_184234) human Rosetta Predictions (SigmaAldrich Product# NM_184237) human Rosetta Predictions (SigmaAldrich Product# NM_184237)
- the gene-regulating system comprises two or more nucleic acid molecules (e.g., two or more siRNAs, two or more shRNAs, two or more RNA aptamers, or two or more morpholinos), wherein at least one of the nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by a DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., a gene selected from Table 2) and wherein at least one of the nucleic acid molecules binds
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical an RNA sequence encoded by one of SEQ ID NOs: 814-1566 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical an RNA sequence encoded by one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- a target gene selected from
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 814-1064 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of CBLB and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 814-1064 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of ZC3H12A.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of the CBLB gene and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of the ZC3H12A gene.
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1065-1509 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 499-524.
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1065-1264 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of MAP4K1.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1,
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 510-1538 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of the CBLB gene and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of M4AP4K1.
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 510-1538 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of NR4A3.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1,
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1539-1566 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more nucleic acid molecules, wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of the CBLB gene and wherein at least one of the nucleic acid molecules binds to a target RNA sequence encoded by a DNA sequence of NR4A3.
- At least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 1539-1566 and at least one of the two or more nucleic acid molecules binds to a target RNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to an RNA sequence encoded by one of SEQ ID NOs: 499-524.
- a protein-based gene-regulating system is a system comprising one or more proteins capable of regulating the expression of an endogenous target gene in a sequence specific manner without the requirement for a nucleic acid guide molecule.
- the protein-based gene-regulating system comprises a protein comprising one or more zinc-finger binding domains and an enzymatic domain.
- the protein-based gene-regulating system comprises a protein comprising a Transcription activator-like effector nuclease (TALEN) domain and an enzymatic domain.
- TALENs Transcription activator-like effector nuclease
- Zinc finger-based systems comprise a fusion protein comprising two protein domains: a zinc finger DNA binding domain and an enzymatic domain.
- a “zinc finger DNA binding domain”, “zinc finger protein”, or “ZFP” is a protein, or a domain within a larger protein, that binds DNA in a sequence-specific manner through one or more zinc fingers, which are regions of amino acid sequence within the binding domain whose structure is stabilized through coordination of a zinc ion.
- the zinc finger domain by binding to a target DNA sequence, directs the activity of the enzymatic domain to the vicinity of the sequence and, hence, induces modification of the endogenous target gene in the vicinity of the target sequence.
- a zinc finger domain can be engineered to bind to virtually any desired sequence.
- one or more zinc finger binding domains can be engineered to bind to one or more target DNA sequences in the target genetic locus.
- Expression of a fusion protein comprising a zinc finger binding domain and an enzymatic domain in a cell effects modification in the target genetic locus.
- a zinc finger binding domain comprises one or more zinc fingers. Miller et al. (1985) EMBO J. 4:1609-1614; Rhodes (1993) Scientific American Febuary:56-65; U.S. Pat. No. 6,453,242. Typically, a single zinc finger domain is about 30 amino acids in length. An individual zinc finger binds to a three-nucleotide (i.e., triplet) sequence (or a four-nucleotide sequence which can overlap, by one nucleotide, with the four-nucleotide binding site of an adjacent zinc finger).
- the length of a sequence to which a zinc finger binding domain is engineered to bind (e.g., a target sequence) will determine the number of zinc fingers in an engineered zinc finger binding domain. For example, for ZFPs in which the finger motifs do not bind to overlapping subsites, a six-nucleotide target sequence is bound by a two-finger binding domain; a nine-nucleotide target sequence is bound by a three-finger binding domain, etc.
- Binding sites for individual zinc fingers (i.e., subsites) in a target site need not be contiguous, but can be separated by one or several nucleotides, depending on the length and nature of the amino acids sequences between the zinc fingers (i.e., the inter-finger linkers) in a multi-finger binding domain.
- the DNA-binding domains of individual ZFNs comprise between three and six individual zinc finger repeats and can each recognize between 9 and 18 basepairs.
- Zinc finger binding domains can be engineered to bind to a sequence of choice. See, for example, Beerli et al. (2002) Nature Biotechnol. 20:135-141; Pabo et al. (2001) Ann. Rev. Biochem. 70:313-340; Isalan et al. (2001) Nature Biotechnol. 19:656-660; Segal et al. (2001) Curr. Opin. Biotechnol. 12:632-637; Choo et al. (2000) Curr. Opin. Struct. Biol. 10:411-416.
- An engineered zinc finger binding domain can have a novel binding specificity, compared to a naturally-occurring zinc finger protein. Engineering methods include, but are not limited to, rational design and various types of selection.
- a target DNA sequence for binding by a zinc finger domain can be accomplished, for example, according to the methods disclosed in U.S. Pat. No. 6,453,242. It will be clear to those skilled in the art that simple visual inspection of a nucleotide sequence can also be used for selection of a target DNA sequence. Accordingly, any means for target DNA sequence selection can be used in the methods described herein.
- a target site generally has a length of at least 9 nucleotides and, accordingly, is bound by a zinc finger binding domain comprising at least three zinc fingers.
- binding of, for example, a 4-finger binding domain to a 12-nucleotide target site, a 5-finger binding domain to a 15-nucleotide target site or a 6-finger binding domain to an 18-nucleotide target site is also possible.
- binding of larger binding domains e.g., 7-, 8-, 9-finger and more
- binding of larger binding domains e.g., 7-, 8-, 9-finger and more
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., a gene selected from Table 2).
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D,
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of CBLB. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of BCOR.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 708-772 or SEQ ID NOs: 708-764. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of TNFAIP3.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 348-396 or SEQ ID NOs: 348-386.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected BCL2L1, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3).
- a target gene selected BCL2L1, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3).
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Table 6A-Table 6H. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected BCL2L1, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A or Table 6B.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of ZC3H12A. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C or Table 6D.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the MAP4K1 gene. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6E or Table 6F. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538.
- the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the NR4A3 gene. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6G or Table 6H. In some embodiments, the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- the zinc finger system is selected from those known in the art, such as those available from commercial suppliers such as Sigma Aldrich.
- the zinc finger system is selected from those known in the art, such as those described in Table 7 below.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from B
- At least one of the zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Tables 6A-Table 6H.
- At least one of the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the zinc finger binding domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the zinc finger binding domains binds to a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- a target gene selected from IKZF1, IKZF3,
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90% 95%, 96%, 97%, 98%, or 99% identical, or 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90% 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A or Table 6B.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the zinc finger binding domains binds to a target DNA sequence of ZC3H12A.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2,
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90% 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90% 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C or Table 6D.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence the CBLB gene and at least one of the zinc finger binding domains binds to a target DNA sequence of the ZC3H12A gene.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence a target gene selected from IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the zinc finger binding domains binds to a target DNA sequence of the MAP4K1 gene.
- a target gene selected from IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6D or Table 6E.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence the CBLB gene selected and at least one of the zinc finger binding domains binds to a target DNA sequence of the MAP4K1 gene.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence a target gene selected from IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the zinc finger binding domains binds to a target DNA sequence of the NR4A3 gene.
- a target gene selected from IKZF, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6F or Table 6G.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more ZFP-fusion proteins each comprising a zinc finger binding domain, wherein at least one of the zinc finger binding domains binds to a target DNA sequence the CBLB gene selected and at least one of the zinc finger binding domains binds to a target DNA sequence of the NR4A3 gene.
- At least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566 and at least one of the two or more zinc finger binding domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the enzymatic domain portion of the zinc finger fusion proteins can be obtained from any endo- or exonuclease.
- Exemplary endonucleases from which an enzymatic domain can be derived include, but are not limited to, restriction endonucleases and homing endonucleases. See, for example, 2002-2003 Catalogue, New England Biolabs, Beverly, Mass.; and Belfort et al. (1997) Nucleic Acids Res. 25:3379-3388.
- Additional enzymes which cleave DNA are known (e.g., 51 Nuclease; mung bean nuclease; pancreatic DNaseI; micrococcal nuclease; yeast HO endonuclease; see also Linn et al. (eds.) Nucleases, Cold Spring Harbor Laboratory Press, 1993).
- these enzymes or functional fragments thereof can be used as a source of cleavage domains.
- restriction endonucleases suitable for use as an enzymatic domain of the ZFPs described herein are present in many species and are capable of sequence-specific binding to DNA (at a recognition site), and cleaving DNA at or near the site of binding.
- Certain restriction enzymes e.g., Type IIS
- FokI catalyzes double-stranded cleavage of DNA, at 9 nucleotides from its recognition site on one strand and 13 nucleotides from its recognition site on the other. See, for example, U.S. Pat. Nos.
- fusion proteins comprise the enzymatic domain from at least one Type IIS restriction enzyme and one or more zinc finger binding domains.
- FokI An exemplary Type IIS restriction enzyme, whose cleavage domain is separable from the binding domain, is FokI.
- This particular enzyme is active as a dimer. Bitinaite et al. (1998) Proc. Natl. Acad. Sci. USA 95: 10,570-10,575.
- two fusion proteins, each comprising a FokI enzymatic domain can be used to reconstitute a catalytically active cleavage domain.
- a single polypeptide molecule containing a zinc finger binding domain and two FokI enzymatic domains can also be used.
- Exemplary ZFPs comprising FokI enzymatic domains are described in U.S. Pat. No. 9,782,437.
- TALEN-based systems comprise a protein comprising a TAL effector DNA binding domain and an enzymatic domain. They are made by fusing a TAL effector DNA-binding domain to a DNA cleavage domain (a nuclease which cuts DNA strands).
- the FokI restriction enzyme described above is an exemplary enzymatic domain suitable for use in TALEN-based gene-regulating systems.
- TAL effectors are proteins that are secreted by Xanthomonas bacteria via their type III secretion system when they infect plants.
- the DNA binding domain contains a repeated, highly conserved, 33-34 amino acid sequence with divergent 12th and 13th amino acids. These two positions, referred to as the Repeat Variable Diresidue (RVD), are highly variable and strongly correlated with specific nucleotide recognition. Therefore, the TAL effector domains can be engineered to bind specific target DNA sequences by selecting a combination of repeat segments containing the appropriate RVDs.
- RVD Repeat Variable Diresidue
- the nucleic acid specificity for RVD combinations is as follows: HD targets cytosine, NI targets adenenine, NG targets thymine, and NN targets guanine (though, in some embodiments, NN can also bind adenenine with lower specificity).
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., a gene selected from Table 2).
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the CBLB gene. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the BCOR gene, and bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 708-772 or SEQ ID NOs: 708-764.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the TNFAIP3, bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 348-396 or SEQ ID NOs: 348-386.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3).
- a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3).
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Tables 6A-Table 6H. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A or Table 6B.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of ZC3H12A.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C or Table 6D. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the MAP4K1 gene. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6E or Table 6F.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the NR4A3 gene.
- the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6G or Table 6H. In some embodiments, the TAL effector domains bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from I
- At least one of the TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Tables 6A-Table 6H.
- At least one of the TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the TAL effector domains binds to a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- a target gene selected from IKZF1,
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A or Table 6B.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence of CBLB and at least one of the TAL effector domains binds to a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the TAL effector domains binds to a target DNA sequence of ZC3H12A.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6,
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more TAL effector domains binds binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C or Table 6D.
- At least one of the two or more TAL effector domains binds binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence the CBLB gene and at least one of the TAL effector domains binds to a target DNA sequence of the ZC3H12A gene.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the TAL effector domains binds to a target DNA sequence of the MAP4K1 gene.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6D or Table 6E.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence of the CBLB gene selected and at least one of the TAL effector domains binds to a target DNA sequence of the MAP4K1 gene.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and at least one of the TAL effector domains binds to a target DNA sequence of the NR4A3 gene.
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6F or Table 6G.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gene-regulating system comprises two or more TAL effector-fusion proteins each comprising a TAL effector domain, wherein at least one of the TAL effector domains binds to a target DNA sequence of the CBLB gene selected and at least one of the TAL effector domains binds to a target DNA sequence of the NR4A3 gene.
- At least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566 and at least one of the two or more TAL effector domains binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524.
- Combination gene-regulating systems comprise a site-directed modifying polypeptide and a nucleic acid guide molecule.
- a “site-directed modifying polypeptide” refers to a polypeptide that binds to a nucleic acid guide molecule, is targeted to a target nucleic acid sequence, (for example, an endogenous target DNA or RNA sequence) by the nucleic acid guide molecule to which it is bound, and modifies the target nucleic acid sequence (e.g., by cleavage, mutation, or methylation of the target nucleic acid sequence).
- a site-directed modifying polypeptide comprises two portions, a portion that binds the nucleic acid guide and an activity portion.
- a site-directed modifying polypeptide comprises an activity portion that exhibits site-directed enzymatic activity (e.g., DNA methylation, DNA or RNA cleavage, histone acetylation, histone methylation, etc.), wherein the site of enzymatic activity is determined by the guide nucleic acid.
- a site-directed modifying polypeptide comprises an activity portion that has enzymatic activity that modifies the endogenous target nucleic acid sequence (e.g., nuclease activity, methyltransferase activity, demethylase activity, DNA repair activity, DNA damage activity, deamination activity, dismutase activity, alkylation activity, depurination activity, oxidation activity, pyrimidine dimer forming activity, integrase activity, transposase activity, recombinase activity, polymerase activity, ligase activity, helicase activity, photolyase activity or glycosylase activity).
- nuclease activity e.g., nuclease activity, methyltransferase activity, demethylase activity, DNA repair activity, DNA damage activity, deamination activity, dismutase activity, alkylation activity, depurination activity, oxidation activity, pyrimidine dimer forming activity, integrase activity, transposa
- a site-directed modifying polypeptide comprises an activity portion that has enzymatic activity that modifies a polypeptide (e.g., a histone) associated with the endogenous target nucleic acid sequence (e.g., methyltransferase activity, demethylase activity, acetyltransferase activity, deacetylase activity, kinase activity, phosphatase activity, ubiquitin ligase activity, deubiquitinating activity, adenylation activity, deadenylation activity, SUMOylating activity, deSUMOylating activity, ribosylation activity, deribosylation activity, myristoylation activity or demyristoylation activity).
- a polypeptide e.g., a histone
- a site-directed modifying polypeptide comprises an activity portion that modulates transcription of a target DNA sequence (e.g., to increase or decrease transcription). In some embodiments, a site-directed modifying polypeptide comprises an activity portion that modulates expression or translation of a target RNA sequence (e.g., to increase or decrease transcription).
- the nucleic acid guide comprises two portions: a first portion that is complementary to, and capable of binding with, an endogenous target nucleic sequence (referred to herein as a “nucleic acid-binding segment”), and a second portion that is capable of interacting with the site-directed modifying polypeptide (referred to herein as a “protein-binding segment”).
- the nucleic acid-binding segment and protein-binding segment of a nucleic acid guide are comprised within a single polynucleotide molecule.
- nucleic acid-binding segment and protein-binding segment of a nucleic acid guide are each comprised within separate polynucleotide molecules, such that the nucleic acid guide comprises two polynucleotide molecules that associate with each other to form the functional guide.
- the nucleic acid guide mediates the target specificity of the combined protein/nucleic acid gene-regulating systems by specifically hybridizing with a target nucleic acid sequence.
- the target nucleic acid sequence is an RNA sequence, such as an RNA sequence comprised within an mRNA transcript of a target gene.
- the target nucleic acid sequence is a DNA sequence comprised within the DNA sequence of a target gene. Reference herein to a target gene encompasses the full-length DNA sequence for that particular gene which comprises a plurality of target genetic loci (i. e., portions of a particular target gene sequence (e.g., an exon or an intron)).
- each target genetic loci comprises shorter stretches of DNA sequences referred to herein as “target DNA sequences” that can be modified by the gene-regulating systems described herein. Further, each target genetic loci comprises a “target modification site,” which refers to the precise location of the modification induced by the gene-regulating system (e.g., the location of an insertion, a deletion, or mutation, the location of a DNA break, or the location of an epigenetic modification).
- the gene-regulating systems described herein may comprise a single nucleic acid guide, or may comprise a plurality of nucleic acid guides (e.g., 2, 3, 4, 5, 6, 7, 8, 9, 10, or more nucleic acid guides).
- the combined protein/nucleic acid gene-regulating systems comprise site-directed modifying polypeptides derived from Argonaute (Ago) proteins (e.g., T. thermophiles Ago or TtAgo).
- the site-directed modifying polypeptide is a T. thermophiles Ago DNA endonuclease and the nucleic acid guide is a guide DNA (gDNA) (See, Swarts et al., Nature 507 (2014), 258-261).
- the present disclosure provides a polynucleotide encoding a gDNA.
- a gDNA-encoding nucleic acid is comprised in an expression vector, e.g., a recombinant expression vector.
- the present disclosure provides a polynucleotide encoding a TtAgo site-directed modifying polypeptide or variant thereof.
- the polynucleotide encoding a TtAgo site-directed modifying polypeptide is comprised in an expression vector, e.g., a recombinant expression vector.
- the gene editing systems described herein are CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas (CRISPR Associated) nuclease systems.
- the CRISPR/Cas system is a Class 2 system. Class 2 CRISPR/Cas systems are divided into three types: Type II, Type V, and Type VI systems.
- the CRISPR/Cas system is a Class 2 Type II system, utilizing the Cas9 protein.
- the site-directed modifying polypeptide is a Cas9 DNA endonuclease (or variant thereof) and the nucleic acid guide molecule is a guide RNA (gRNA).
- the CRISPR/Cas system is a Class 2 Type V system, utilizing the Cas12 proteins (e.g., Cas12a (also known as Cpf1), Cas12b (also known as C2c1), Cas12c (also known as C2c3), Cas12d (also known as CasY), and Cas12e (also known as CasX)).
- the site-directed modifying polypeptide is a Cas12 DNA endonuclease (or variant thereof) and the nucleic acid guide molecule is a gRNA.
- the CRISPR/Cas system is a Class 2 and Type VI system, utilizing the Cas13 proteins (e.g., Cas13a (also known as C2c2), Cas13b, and Cas13c).
- Cas13a also known as C2c2
- Cas13b also known as C2c2
- Cas13c the site-directed modifying polypeptide
- the nucleic acid guide molecule is a gRNA.
- a Cas polypeptide refers to a polypeptide that can interact with a gRNA molecule and, in concert with the gRNA molecule, home or localize to a target DNA or target RNA sequence.
- Cas polypeptides include naturally occurring Cas proteins and engineered, altered, or otherwise modified Cas proteins that differ by one or more amino acid residues from a naturally-occurring Cas sequence.
- a guide RNA comprises two segments, a DNA-binding segment and a protein-binding segment.
- the protein-binding segment of a gRNA is comprised in one RNA molecule and the DNA-binding segment is comprised in another separate RNA molecule.
- double-molecule gRNAs or “two-molecule gRNA” or “dual gRNAs.”
- the gRNA is a single RNA molecule and is referred to herein as a “single-guide RNA” or an “sgRNA.”
- the term “guide RNA” or “gRNA” is inclusive, referring both to two-molecule guide RNAs and sgRNAs.
- the protein-binding segment of a gRNA comprises, in part, two complementary stretches of nucleotides that hybridize to one another to form a double stranded RNA duplex (dsRNA duplex), which facilitates binding to the Cas protein.
- the nucleic acid-binding segment (or “nucleic acid-binding sequence”) of a gRNA comprises a nucleotide sequence that is complementary to and capable of binding to a specific target nucleic acid sequence.
- the protein-binding segment of the gRNA interacts with a Cas polypeptide and the interaction of the gRNA molecule and site-directed modifying polypeptide results in Cas binding to the endogenous nucleic acid sequence and produces one or more modifications within or around the target nucleic acid sequence.
- the precise location of the target modification site is determined by both (i) base-pairing complementarity between the gRNA and the target nucleic acid sequence; and (ii) the location of a short motif, referred to as the protospacer adjacent motif (PAM), in the target DNA sequence (referred to as a protospacer flanking sequence (PFS) in target RNA sequences).
- the PAM/PFS sequence is required for Cas binding to the target nucleic acid sequence.
- a variety of PAM/PFS sequences are known in the art and are suitable for use with a particular Cas endonuclease (e.g., a Cas9 endonuclease)(See e.g., Nat Methods.
- the PAM sequence is located within 50 base pairs of the target modification site in a target DNA sequence. In some embodiments, the PAM sequence is located within 10 base pairs of the target modification site in a target DNA sequence.
- the DNA sequences that can be targeted by this method are limited only by the relative distance of the PAM sequence to the target modification site and the presence of a unique 20 base pair sequence to mediate sequence-specific, gRNA-mediated Cas binding.
- the PFS sequence is located at the 3′ end of the target RNA sequence.
- the target modification site is located at the 5′ terminus of the target locus. In some embodiments, the target modification site is located at the 3′ end of the target locus. In some embodiments, the target modification site is located within an intron or an exon of the target locus.
- the present disclosure provides a polynucleotide encoding a gRNA.
- a gRNA-encoding nucleic acid is comprised in an expression vector, e.g., a recombinant expression vector.
- the present disclosure provides a polynucleotide encoding a site-directed modifying polypeptide.
- the polynucleotide encoding a site-directed modifying polypeptide is comprised in an expression vector, e.g., a recombinant expression vector.
- the site-directed modifying polypeptide is a Cas protein.
- Cas molecules of a variety of species can be used in the methods and compositions described herein, including Cas molecules derived from S. pyogenes, S. aureus, N. meningitidis, S.
- thermophiles Acidovorax avenae, Actinobacillus pleuropneumoniae, Actinobacillus succinogenes, Actinobacillus suis, Actinomyces sp., Cycliphilus denitrificans, Aminomonas paucivorans, Bacillus cereus, Bacillus smithii, Bacillus thuringiensis, Bacteroides sp., Blastopirellula marina, Bradyrhizobium sp., Brevibacillus laterospoxus, Campylobacter coli, Campylobacter jejuni, Campylobacter lari, Candidatus puniceispirillum, Clostridium cellulolyticum, Clostridium perfringens, Corynebacterium accolens, Corynebacterium diphtheria, Corynebacterium matruchotii, Dinoroseobacter shibae, Eubacterium dolichum, Gammap
- the Cas protein is a naturally-occurring Cas protein.
- the Cas endonuclease is selected from the group consisting of C2C1, C2C3, Cpf1 (also referred to as Cas12a), Cas12b, Cas12c, Cas12d, Cas12e, Cas13a, Cas13b, Cas13c, Cas13d, Cas1, Cas1B, Cas2, Cas3, Cas4, Cas5, Cas6, Cas7, Cas8, Cas9 (also known as Csn1 and Csx12), Cas10, Csy1, Csy2, Csy3, Cse1, Cse2, Csc1, Csc2, Csa5, Csn2, Csm2, Csm3, Csm4, Csm5, Csm6, Cmr1, Cmr3, Cmr4, Cmr5, Cmr6, Csb1, Csb2, Csb3, Csx17, Csx14
- the Cas protein is an endoribonuclease such as a Cas13 protein.
- the Cas13 protein is a Cas13a (Abudayyeh et al., Nature 550 (2017), 280-284), Cas13b (Cox et al., Science (2017) 358:6336, 1019-1027), Cas13c (Cox et al., Science (2017) 358:6336, 1019-1027), or Cas13d (Zhang et al., Cell 175 (2016), 212-223) protein.
- the Cas protein is a wild-type or naturally occurring Cas9 protein or a Cas9 ortholog.
- Wild-type Cas9 is a multi-domain enzyme that uses an HNH nuclease domain to cleave the target strand of DNA and a RuvC-like domain to cleave the non-target strand. Binding of WT Cas9 to DNA based on gRNA specificity results in double-stranded DNA breaks that can be repaired by non-homologous end joining (NHEJ) or homology-directed repair (HDR).
- NHEJ non-homologous end joining
- HDR homology-directed repair
- Cas9 molecules include Cas9 molecules of a cluster 1 bacterial family, cluster 2 bacterial family, cluster 3 bacterial family, cluster 4 bacterial family, cluster 5 bacterial family, cluster 6 bacterial family, a cluster 7 bacterial family, a cluster 8 bacterial family, a cluster 9 bacterial family, a cluster 10 bacterial family, a cluster 11 bacterial family, a cluster 12 bacterial family, a cluster 13 bacterial family, a cluster 14 bacterial family, a cluster 15 bacterial family, a cluster 16 bacterial family, a cluster 17 bacterial family, a cluster 18 bacterial family, a cluster 19 bacterial family, a cluster 20 bacterial family, a cluster 21 bacterial family, a cluster 22 bacterial family, a cluster 23 bacterial family, a cluster 24 bacterial family, a cluster 25
- the naturally occurring Cas9 polypeptide is selected from the group consisting of SpCas9, SpCas9-HF1, SpCas9-HF2, SpCas9-HF3, SpCas9-HF4, SaCas9, FnCpf, FnCas9, eSpCas9, and NmeCas9.
- the Cas9 protein comprises an amino acid sequence having at least 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, 99%, or 100% sequence identity to a Cas9 amino acid sequence described in Chylinski et al., RNA Biology 2013 10:5, 727-737; Hou et al., PNAS Early Edition 2013, 1-6).
- the Cas polypeptide comprises one or more of the following activities:
- nickase activity i.e., the ability to cleave a single strand, e.g., the non-complementary strand or the complementary strand, of a nucleic acid molecule
- a double stranded nuclease activity i.e., the ability to cleave both strands of a double stranded nucleic acid and create a double stranded break, which in an embodiment is the presence of two nickase activities;
- a helicase activity i.e., the ability to unwind the helical structure of a double stranded nucleic acid.
- the Cas polypeptide is fused to heterologous proteins that recruit DNA-damage signaling proteins, exonucleases, or phosphatases to further increase the likelihood or the rate of repair of the target sequence by one repair mechanism or another.
- a WT Cas polypeptide is co-expressed with a nucleic acid repair template to facilitate the incorporation of an exogenous nucleic acid sequence by homology-directed repair.
- different Cas proteins may be advantageous to use in the various provided methods in order to capitalize on various enzymatic characteristics of the different Cas proteins (e.g., for different PAM sequence preferences; for increased or decreased enzymatic activity; for an increased or decreased level of cellular toxicity; to change the balance between NHEJ, homology-directed repair, single strand breaks, double strand breaks, etc.).
- the Cas protein is a Cas9 protein derived from S. pyogenes and recognizes the PAM sequence motif NGG, NAG, NGA (Mali et al, Science 2013; 339(6121): 823-826).
- the Cas protein is a Cas9 protein derived from S.
- N can be any nucleotide residue, e.g., any of A, G, C or T.
- the Cas protein is a Cas13a protein derived from Leptotrichia shahii and recognizes the PFS sequence motif of a single 3′ A, U, or C.
- a polynucleotide encoding a Cas protein is provided.
- the polynucleotide encodes a Cas protein that is at least 90% identical to a Cas protein described in International PCT Publication No. WO 2015/071474 or Chylinski et al., RNA Biology 2013 10:5, 727-737.
- the polynucleotide encodes a Cas protein that is at least 95%, 96%, 97%, 98%, or 99% identical to a Cas protein described in International PCT Publication No. WO 2015/071474 or Chylinski et al., RNA Biology 2013 10:5, 727-737.
- the polynucleotide encodes a Cas protein that is 100% identical to a Cas protein described in International PCT Publication No. WO 2015/071474 or Chylinski et al., RNA Biology 2013 10:5, 727-737.
- the Cas polypeptides are engineered to alter one or more properties of the Cas polypeptide.
- the Cas polypeptide comprises altered enzymatic properties, e.g., altered nuclease activity, (as compared with a naturally occurring or other reference Cas molecule) or altered helicase activity.
- an engineered Cas polypeptide can have an alteration that alters its size, e.g., a deletion of amino acid sequence that reduces its size without significant effect on another property of the Cas polypeptide.
- an engineered Cas polypeptide comprises an alteration that affects PAM recognition.
- an engineered Cas polypeptide can be altered to recognize a PAM sequence other than the PAM sequence recognized by the corresponding wild-type Cas protein.
- Cas polypeptides with desired properties can be made in a number of ways, including alteration of a naturally occurring Cas polypeptide or parental Cas polypeptide, to provide a mutant or altered Cas polypeptide having a desired property.
- one or more mutations can be introduced into the sequence of a parental Cas polypeptide (e.g., a naturally occurring or engineered Cas polypeptide). Such mutations and differences may comprise substitutions (e.g., conservative substitutions or substitutions of non-essential amino acids); insertions; or deletions.
- a mutant Cas polypeptide comprises one or more mutations (e.g., at least 1, 2, 3, 4, 5, 10, 15, 20, 30, 40 or 50 mutations) relative to a parental Cas polypeptide.
- a mutant Cas polypeptide comprises a cleavage property that differs from a naturally occurring Cas polypeptide.
- the Cas is a deactivated Cas (dCas) mutant.
- the Cas polypeptide does not comprise any intrinsic enzymatic activity and is unable to mediate target nucleic acid cleavage.
- the dCas may be fused with a heterologous protein that is capable of modifying the target nucleic acid in a non-cleavage based manner.
- a dCas protein is fused to transcription activator or transcription repressor domains (e.g., the Kruppel associated box (KRAB or SKD); the Mad mSIN3 interaction domain (SID or SID4X); the ERF repressor domain (ERD); the MAX-interacting protein 1 (MXI1); methyl-CpG binding protein 2 (MECP2); etc.).
- transcription activator or transcription repressor domains e.g., the Kruppel associated box (KRAB or SKD); the Mad mSIN3 interaction domain (SID or SID4X); the ERF repressor domain (ERD); the MAX-interacting protein 1 (MXI1); methyl-CpG binding protein 2 (MECP2); etc.
- the dCas fusion protein is targeted by the ggRNA to a specific location (i.e., sequence) in the target nucleic acid and exerts locus-specific regulation such as blocking RNA polymerase binding to a promoter (which selectively inhibits transcription activator function), and/or modifying the local chromatin status (e.g., when a fusion sequence is used that modifies the target DNA or modifies a polypeptide associated with the target DNA).
- the changes are transient (e.g., transcription repression or activation).
- the changes are inheritable (e.g., when epigenetic modifications are made to the target DNA or to proteins associated with the target DNA, e.g., nucleosomal histones).
- the dCas is a dCas13 mutant (Konermann et al., Cell 173 (2016), 665-676). These dCas13 mutants can then be fused to enzymes that modify RNA, including adenosine deaminases (e.g., ADAR1 and ADAR2). Adenosine deaminases convert adenine to inosine, which the translational machinery treats like guanine, thereby creating a functional A ⁇ G change in the RNA sequence.
- the dCas is a dCas9 mutant.
- the mutant Cas9 is a Cas9 nickase mutant.
- Cas9 nickase mutants comprise only one catalytically active domain (either the HNH domain or the RuvC domain).
- the Cas9 nickase mutants retain DNA binding based on gRNA specificity, but are capable of cutting only one strand of DNA resulting in a single-strand break (e.g. a “nick”).
- two complementary Cas9 nickase mutants are expressed in the same cell with two gRNAs corresponding to two respective target sequences; one target sequence on the sense DNA strand, and one on the antisense DNA strand.
- This dual-nickase system results in staggered double stranded breaks and can increase target specificity, as it is unlikely that two off-target nicks will be generated close enough to generate a double stranded break.
- a Cas9 nickase mutant is co-expressed with a nucleic acid repair template to facilitate the incorporation of an exogenous nucleic acid sequence by homology-directed repair.
- the Cas polypeptides described herein can be engineered to alter the PAM/PFS specificity of the Cas polypeptide.
- a mutant Cas polypeptide has a PAM/PFS specificity that is different from the PAM/PFS specificity of the parental Cas polypeptide.
- a naturally occurring Cas protein can be modified to alter the PAM/PFS sequence that the mutant Cas polypeptide recognizes to decrease off target sites, improve specificity, or eliminate a PAM/PFS recognition requirement.
- a Cas protein can be modified to increase the length of the PAM/PFS recognition sequence.
- the length of the PAM recognition sequence is at least 4, 5, 6, 7, 8, 9, 10 or 15 amino acids in length.
- Cas polypeptides that recognize different PAM/PFS sequences and/or have reduced off-target activity can be generated using directed evolution. Exemplary methods and systems that can be used for directed evolution of Cas polypeptides are described, e.g., in Esvelt et al. Nature 2011, 472(7344): 499-503.
- Exemplary Cas mutants are described in International PCT Publication No. WO 2015/161276 and Konermann et al., Cell 173 (2016), 665-676 which are incorporated herein by reference in their entireties.
- the present disclosure provides guide RNAs (gRNAs) that direct a site-directed modifying polypeptide to a specific target nucleic acid sequence.
- a gRNA comprises a “nucleic acid-targeting domain” or “targeting domain” and protein-binding segment.
- the targeting domain may also be referred to as a “spacer” sequence and comprises a nucleotide sequence that is complementary to a target nucleic acid sequence.
- the targeting domain segment of a gRNA interacts with a target nucleic acid in a sequence-specific manner via hybridization (i.e., base pairing) and determines the location within the target nucleic acid that the gRNA will bind.
- the targeting domain segment of a gRNA can be modified (e.g., by genetic engineering) to hybridize to a desired sequence within a target nucleic acid sequence.
- the targeting domain sequence is between about 13 and about 22 nucleotides in length. In some embodiments, the targeting domain sequence is about 13, 14, 15, 16, 17, 18, 19, 20, 21, or 22 nucleotides in length. In some embodiments, the targeting domain sequence is about 20 nucleotides in length.
- the protein-binding segment of a gRNA interacts with a site-directed modifying polypeptide (e.g. a Cas protein) to form a ribonucleoprotein (RNP) complex comprising the gRNA and the site-directed modifying polypeptide.
- a site-directed modifying polypeptide e.g. a Cas protein
- RNP ribonucleoprotein
- the targeting domain segment of the gRNA guides the bound site-directed modifying polypeptide to a specific nucleotide sequence within target nucleic acid via the above-described spacer sequence.
- the protein-binding segment of a gRNA comprises at least two stretches of nucleotides that are complementary to one another and which form a double stranded RNA duplex.
- the protein-binding segment of a gRNA may also be referred to as a “scaffold” segment or a “tracr RNA”.
- the tracr RNA sequence is between about 30 and about 180 nucleotides in length.
- the tracr RNA sequence is between about 40 and about 90 nucleotides, about 50 and about 90 nucleotides, about 60 and about 90 nucleotides, about 65 and about 85 nucleotides, about 70 and about 80 nucleotides, about 65 and about 75 nucleotides, or about 75 and about 85 nucleotides in length.
- the tracr RNA sequence is about 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, or about 90 nucleotides in length.
- the tracr RNA comprises a nucleic acid sequence encoded by the DNA sequence of SEQ ID NO: 34 (See Mali et al., Science (2013) 339(6121):823-826), SEQ ID NOs: 35-36 (See PCT Publication No. WO 2016/106236), SEQ ID NOs: 37-39 (See Deltcheva et al., Nature. 2011 Mar.
- a gRNA comprises two separate RNA molecules (i.e., a “dual gRNA”).
- a gRNA comprises a single RNA molecule (i. e. a “single guide RNA” or “sgRNA”).
- guide RNA or “gRNA” is inclusive of both dual gRNAs and sgRNAs.
- a dual gRNA comprises two separate RNA molecules: a “crispr RNA” (or “crRNA”) and a “tracr RNA”.
- a crRNA molecule comprises a spacer sequence covalently linked to a “tracr mate” sequence.
- the tracer mate sequence comprises a stretch of nucleotides that are complementary to a corresponding sequence in the tracr RNA molecule.
- the crRNA molecule and tracr RNA molecule hybridize to one another via the complementarity of the tracr and tracer mate sequences.
- the gRNA is an sgRNA.
- the nucleic acid-targeting sequence and the protein-binding sequence are present in a single RNA molecule by fusion of the spacer sequence to the tracr RNA sequence.
- the sgRNA is about 50 to about 200 nucleotides in length. In some embodiments, the sgRNA is about 75 to about 150 or about 100 to about 125 nucleotides in length. In some embodiments, the sgRNA is about 100 nucleotides in length.
- the gRNAs of the present disclosure comprise a targeting domain sequence that is least 90%, 95%, 96%, 97%, 98%, or 99% complementary, or is 100% complementary to a target nucleic acid sequence within a target locus.
- the target nucleic acid sequence is an RNA target sequence.
- the target nucleic acid sequence is a DNA target sequence.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., a gene selected from Table 2).
- a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B. In some embodiments, the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the CBLB gene.
- the nucleic acid-binding segments of the gRNA sequences bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524. Additional gRNAs suitable for targeting CBLB are described in US Patent Application Publication No. 2017/0175128.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the TNFAIP3 gene.
- the nucleic acid-binding segments of the gRNA sequences bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 348-396 or SEQ ID NOs: 348-3486.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the BCOR gene.
- the nucleic acid-binding segments of the gRNA sequences bind to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 708-772 or SEQ ID NOs: 708-764.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3).
- a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and NR4A3 (e.g., a gene selected from Table 3).
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Tables 6A-Table 6H. In some embodiments, the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6A or Table 6B.
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a sequence of ZC3H12A.
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6C or Table 6D. In some embodiments, the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509. In some embodiments, the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a sequence of the MAP4K1 gene.
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6E or Table 6F.
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 510-1538.
- the gRNAs provided herein comprise a targeting domain sequence that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a sequence of the NR4A3 gene.
- the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 6G or Table 6H. In some embodiments, the targeting domain sequence binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR (e.g., a gene selected from Table 2) and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Tables 6A-6H.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1566.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Table 6A or Table 6B.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the CBLB and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, and GNAS.
- a target DNA sequence of a target gene selected from BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1,
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 814-1064.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of ZC3H12A
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Table 6C or Table 6D.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the CBLB gene and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the ZC3H12A gene.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1509.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1065-1264.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the MAP4K1
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Table 6E or Table 6F.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1510-1538.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1510-1538.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the CBLB gene and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the M4AP4K1 gene.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1510-1538.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1510-1538.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of a target gene selected from IKZF1, IKZF3, GATA3, BCL3, TNIP1, TNFAIP3, NFKBIA, SMAD2, TGFBR1, TGFBR2, TANK, FOXP3, RC3H1, TRAF6, IKZF2, CBLB, PPP2R2D, NRP1, HAVCR2, LAG3, TIGIT, CTLA4, PTPN6, PDCD1, or BCOR and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the NR4A3
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in Table 5A or Table 5B and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence defined by a set of genomic coordinates shown in one of Table 6G or Table 6H.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 154-498 or SEQ ID NOs: 499-813 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- the gene-regulating system comprises two or more gRNA molecules, wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the CBLB gene and wherein at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to a target DNA sequence of the NR4A3 gene.
- At least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain that binds to a target DNA sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- At least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 499-524 and at least one of the gRNAs comprises a targeting domain encoded by a nucleic acid sequence that is at least 90%, 95%, 96%, 97%, 98%, or 99% identical, or is 100% identical to one of SEQ ID NOs: 1539-1566.
- the nucleic acid-binding segments of the gRNA sequences described herein are designed to minimize off-target binding using algorithms known in the art (e.g., Cas-OFF finder) to identify target sequences that are unique to a particular target locus or target gene.
- algorithms known in the art e.g., Cas-OFF finder
- the gRNAs described herein can comprise one or more modified nucleosides or nucleotides which introduce stability toward nucleases.
- these modified gRNAs may elicit a reduced innate immune as compared to a non-modified gRNA.
- innate immune response includes a cellular response to exogenous nucleic acids, including single stranded nucleic acids, generally of viral or bacterial origin, which involves the induction of cytokine expression and release, particularly the interferons, and cell death.
- the gRNAs described herein are modified at or near the 5′ end (e.g., within 1-10, 1-5, or 1-2 nucleotides of their 5′ end).
- the 5′ end of a gRNA is modified by the inclusion of a eukaryotic mRNA cap structure or cap analog (e.g., a G(5′)ppp(5′)G cap analog, a m7G(5′)ppp(5′)G cap analog, or a 3′-0-Me-m7G(5′)ppp(5′)G anti reverse cap analog (ARCA)).
- a eukaryotic mRNA cap structure or cap analog e.g., a G(5′)ppp(5′)G cap analog, a m7G(5′)ppp(5′)G cap analog, or a 3′-0-Me-m7G(5′)ppp(5′)G anti reverse cap analog (ARCA)
- an in vitro transcribed gRNA is modified by treatment with a phosphatase (e.g., calf intestinal alkaline phosphatase) to remove the 5′ triphosphate group.
- a gRNA comprises a modification at or near its 3′ end (e.g., within 1-10, 1-5, or 1-2 nucleotides of its 3′ end).
- the 3′ end of a gRNA is modified by the addition of one or more (e.g., 25-200) adenine (A) residues.
- modified nucleosides and modified nucleotides can be present in a gRNA, but also may be present in other gene-regulating systems, e.g., mRNA, RNAi, or siRNA-based systems.
- modified nucleosides and nucleotides can include one or more of:
- a modified nucleoside or nucleotide can have a modified sugar and a modified nucleobase.
- every base of a gRNA is modified.
- each of the phosphate groups of a gRNA molecule are replaced with phosphorothioate groups.
- a software tool can be used to optimize the choice of gRNA within a user's target sequence, e.g., to minimize total off-target activity across the genome.
- Off target activity may be other than cleavage.
- software tools can identify all potential off-target sequences (preceding either NAG or NGG PAMs) across the genome that contain up to a certain number (e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10) of mismatched base-pairs.
- the cleavage efficiency at each off-target sequence can be predicted, e.g., using an experimentally-derived weighting scheme.
- Each possible gRNA can then be ranked according to its total predicted off-target cleavage; the top-ranked gRNAs represent those that are likely to have the greatest on-target and the least off-target cleavage.
- Other functions e.g., automated reagent design for gRNA vector construction, primer design for the on-target Surveyor assay, and primer design for high-throughput detection and quantification of off-target cleavage via next-generation sequencing, can also be included in the tool.
- the present disclosure provides polynucleotides or nucleic acid molecules encoding a gene-regulating system described herein.
- nucleotide or “nucleic acid” refer to deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and DNA/RNA hybrids.
- Polynucleotides may be single-stranded or double-stranded and either recombinant, synthetic, or isolated. Polynucleotides include, but are not limited to: pre-messenger RNA (pre-mRNA), messenger RNA (mRNA), RNA, genomic DNA (gDNA), PCR amplified DNA, complementary DNA (cDNA), synthetic DNA, or recombinant DNA.
- pre-mRNA pre-messenger RNA
- mRNA messenger RNA
- gDNA genomic DNA
- cDNA complementary DNA
- synthetic DNA or recombinant DNA.
- Polynucleotides refer to a polymeric form of nucleotides of at least 5, at least 10, at least 15, at least 20, at least 25, at least 30, at least 40, at least 50, at least 100, at least 200, at least 300, at least 400, at least 500, at least 1000, at least 5000, at least 10000, or at least 15000 or more nucleotides in length, either ribonucleotides or deoxyribonucleotides or a modified form of either type of nucleotide, as well as all intermediate lengths.
- intermediate lengths means any length between the quoted values, such as 6, 7, 8, 9, etc., 101, 102, 103, etc.; 151, 152, 153, etc.; 201, 202, 203, etc.
- polynucleotides may be codon-optimized.
- codon-optimized refers to substituting codons in a polynucleotide encoding a polypeptide in order to increase the expression, stability and/or activity of the polypeptide.
- Factors that influence codon optimization include, but are not limited to one or more of: (i) variation of codon biases between two or more organisms or genes or synthetically constructed bias tables, (ii) variation in the degree of codon bias within an organism, gene, or set of genes, (iii) systematic variation of codons including context, (iv) variation of codons according to their decoding tRNAs, (v) variation of codons according to GC %, either overall or in one position of the triplet, (vi) variation in degree of similarity to a reference sequence for example a naturally occurring sequence, (vii) variation in the codon frequency cutoff, (viii) structural properties of mRNAs transcribed from the DNA sequence, (ix) prior knowledge about the function of the DNA sequences upon which design of the codon substitution set is to be based, (x) systematic variation of codon sets for each amino acid, (xi) isolated removal of spurious translation initiation sites and/or (xii) elimination of fortuitous polyadeny
- sequence identity or, for example, comprising a “sequence 50% identical to,” as used herein, refer to the extent that sequences are identical on a nucleotide-by-nucleotide basis or an amino acid-by-amino acid basis over a window of comparison.
- a “comparison window” refers to a conceptual segment of at least 6 contiguous positions, usually about 50 to about 100, more usually about 100 to about 150 in which a sequence is compared to a reference sequence of the same number of contiguous positions after the two sequences are optimally aligned.
- a “percentage of sequence identity” may be calculated by comparing two optimally aligned sequences over the window of comparison, determining the number of positions at which the identical nucleic acid base (e.g., A, T, C, G, I) or the identical amino acid residue (e.g., Ala, Pro, Ser, Thr, Gly, Val, Leu, Ile, Phe, Tyr, Trp, Lys, Arg, His, Asp, Glu, Asn, Gln, Cys and Met) occurs in both sequences to yield the number of matched positions, dividing the number of matched positions by the total number of positions in the window of comparison (i.e., the window size), and multiplying the result by 100 to yield the percentage of sequence identity.
- the identical nucleic acid base e.g., A, T, C, G, I
- the identical amino acid residue e.g., Ala, Pro, Ser, Thr, Gly, Val, Leu, Ile, Phe, Tyr, Trp, Lys
- polynucleotide variant and “variant” and the like refer to polynucleotides displaying substantial sequence identity with a reference polynucleotide sequence or polynucleotides that hybridize with a reference sequence under stringent conditions that are defined hereinafter. These terms include polynucleotides in which one or more nucleotides have been added or deleted, or replaced with different nucleotides compared to a reference polynucleotide.
- polynucleotides or variants have at least or about 50%, 55%, 60%, 65%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity to a reference sequence.
- nucleotide sequences that encode a polypeptide, or fragment of variant thereof, as described herein. Some of these polynucleotides bear minimal homology to the nucleotide sequence of any native gene. Nonetheless, polynucleotides that vary due to differences in codon usage are specifically contemplated in particular embodiments, for example polynucleotides that are optimized for human and/or primate codon selection. Further, alleles of the genes comprising the polynucleotide sequences provided herein may also be used. Alleles are endogenous genes that are altered as a result of one or more mutations, such as deletions, additions and/or substitutions of nucleotides.
- polynucleotides contemplated herein may be combined with other DNA sequences, such as promoters and/or enhancers, untranslated regions (UTRs), signal sequences, Kozak sequences, polyadenylation signals, additional restriction enzyme sites, multiple cloning sites, internal ribosomal entry sites (IRES), recombinase recognition sites (e.g., LoxP, FRT, and Att sites), termination codons, transcriptional termination signals, and polynucleotides encoding self-cleaving polypeptides, epitope tags, as disclosed elsewhere herein or as known in the art, such that their overall length may vary considerably. It is therefore contemplated that a polynucleotide fragment of almost any length may be employed in particular embodiments, with the total length preferably being limited by the ease of preparation and use in the intended recombinant DNA protocol.
- Polynucleotides can be prepared, manipulated and/or expressed using any of a variety of well-established techniques known and available in the art.
- nucleic acid vector is used herein to refer to a nucleic acid molecule capable transferring or transporting another nucleic acid molecule.
- the transferred nucleic acid is generally linked to, e.g., inserted into, the vector nucleic acid molecule.
- a nucleic acid vector may include sequences that direct autonomous replication in a cell, or may include sequences sufficient to allow integration into host cell DNA.
- expression cassette refers to genetic sequences within a vector which can express an RNA, and subsequently a protein.
- the nucleic acid cassette contains the gene of interest, e.g., a gene-regulating system.
- the nucleic acid cassette is positionally and sequentially oriented within the vector such that the nucleic acid in the cassette can be transcribed into RNA, and when necessary, translated into a protein or a polypeptide, undergo appropriate post-translational modifications required for activity in the transformed cell, and be translocated to the appropriate compartment for biological activity by targeting to appropriate intracellular compartments or secretion into extracellular compartments.
- the cassette has its 3′ and 5′ ends adapted for ready insertion into a vector, e.g., it has restriction endonuclease sites at each end.
- the cassette can be removed and inserted into a plasmid or viral vector as a single unit.
- vectors include, without limitation, plasmids, phagemids, cosmids, transposons, artificial chromosomes such as yeast artificial chromosome (YAC), bacterial artificial chromosome (BAC), or P1-derived artificial chromosome (PAC), bacteriophages such as lambda phage or M13 phage, and animal viruses.
- artificial chromosomes such as yeast artificial chromosome (YAC), bacterial artificial chromosome (BAC), or P1-derived artificial chromosome (PAC)
- bacteriophages such as lambda phage or M13 phage
- animal viruses include, without limitation, plasmids, phagemids, cosmids, transposons, artificial chromosomes such as yeast artificial chromosome (YAC), bacterial artificial chromosome (BAC), or P1-derived artificial chromosome (PAC), bacteriophages such as lambda phage or M13 phage, and animal viruses.
- non-viral vectors are used to deliver one or more polynucleotides contemplated herein to an immune effector cell, e.g., a T cell.
- the recombinant vector comprising a polynucleotide encoding one or more components of a gene-regulating system described herein is a plasmid.
- suitable plasmid expression vectors are known to those of skill in the art, and many are commercially available. The following vectors are provided by way of example; for eukaryotic host cells: pXT1, pSG5 (Stratagene), pSVK3, pBPV, pMSG, and pSVLSV40 (Pharmacia).
- any other plasmid vector may be used so long as it is compatible with the host cell.
- any of a number of suitable transcription and translation control elements including constitutive and inducible promoters, transcription enhancer elements, transcription terminators, etc. may be used in the expression vector (see e.g., Bitter et al. (1987) Methods in Enzymology, 153:516-544).
- the recombinant vector comprising a polynucleotide encoding one or more components of a gene-regulating system described herein is a viral vector.
- Suitable viral vectors include, but are not limited to, viral vectors based on vaccinia virus; poliovirus; adenovirus (see, e.g., Li et al., Invest Opthalmol Vis Sci 35:2543 2549, 1994; Borras et al., Gene Ther 6:515 524, 1999; Li and Davidson, PNAS 92:7700 7704, 1995; Sakamoto et al., H Gene Ther 5:1088 1097, 1999; WO 94/12649, WO 93/03769; WO 93/19191; WO 94/28938; WO 95/11984 and WO 95/00655); adeno-associated virus (see, e.g., U.S.
- SV40 herpes simplex virus
- human immunodeficiency virus see, e.g., Miyoshi et al., PNAS 94:10319 23, 1997; Takahashi et al., J Virol 73:7812 7816, 1999
- a retroviral vector e.g., Murine Leukemia Virus, spleen necrosis virus, and vectors derived from retroviruses such as Rous Sarcoma Virus, Harvey Sarcoma Virus, avian leukosis virus, a lentivirus, human immunodeficiency virus, myeloproliferative sarcoma virus, and mammary tumor virus
- retroviral vector e.g., Murine Leukemia Virus, spleen necrosis virus, and vectors derived from retroviruses such as Rous Sarcoma Virus, Harvey Sarcoma Virus, avian leukosis virus, a lentivirus, human immunodeficiency virus, myelop
- vectors are pClneo vectors (Promega) for expression in mammalian cells; pLenti4/V5-DESTTM, pLenti6/V5-DESTTM, and pLenti6.2/V5-GW/lacZ (Invitrogen) for lentivirus-mediated gene transfer and expression in mammalian cells.
- the vector is a non-integrating vector, including but not limited to, an episomal vector or a vector that is maintained extrachromosomally.
- episomal vector refers to a vector that is able to replicate without integration into host's chromosomal DNA and without gradual loss from a dividing host cell also meaning that said vector replicates extrachromosomally or episomally.
- the vector is engineered to harbor the sequence coding for the origin of DNA replication or “ori” from a lymphotrophic herpes virus or a gamma herpesvirus, an adenovirus, SV40, a bovine papilloma virus, or a yeast, specifically a replication origin of a lymphotrophic herpes virus or a gamma herpesvirus corresponding to oriP of EBV.
- the lymphotrophic herpes virus may be Epstein Barr virus (EBV), Kaposi's sarcoma herpes virus (KSHV), Herpes virus saimiri (HS), or Marek's disease virus (MDV).
- Epstein Barr virus (EBV) and Kaposi's sarcoma herpes virus (KSHV) are also examples of a gamma herpesvirus.
- a polynucleotide is introduced into a target or host cell using a transposon vector system.
- the transposon vector system comprises a vector comprising transposable elements and a polynucleotide contemplated herein; and a transposase.
- the transposon vector system is a single transposase vector system, see, e.g., WO 2008/027384.
- Exemplary transposases include, but are not limited to: piggyBac, Sleeping Beauty, Mos1, Tc1/mariner, Tol2, mini-Tol2, Tc3, MuA, Himar I, Frog Prince, and derivatives thereof.
- the piggyBac transposon and transposase are described, for example, in U.S. Pat. No. 6,962,810, which is incorporated herein by reference in its entirety.
- the Sleeping Beauty transposon and transposase are described, for example, in Izsvak et al., J. Mol. Biol. 302: 93-102 (2000), which is incorporated herein by reference in its entirety.
- the Tol2 transposon which was first isolated from the medaka fish Oryzias latipes and belongs to the hAT family of transposons is described in Kawakami et al. (2000).
- Mini-Tol2 is a variant of Tol2 and is described in Balciunas et al. (2006).
- the Tol2 and Mini-Tol2 transposons facilitate integration of a transgene into the genome of an organism when co-acting with the Tol2 transposase.
- the Frog Prince transposon and transposase are described, for example, in Miskey et al., Nucleic Acids Res. 31:6873-6881 (2003).
- a polynucleotide sequence encoding one or more components of a gene-regulating system described herein is operably linked to a control element, e.g., a transcriptional control element, such as a promoter.
- control elements refer those non-translated regions of the vector (e.g., origin of replication, selection cassettes, promoters, enhancers, translation initiation signals (Shine Dalgamo sequence or Kozak sequence) introns, a polyadenylation sequence, 5′ and 3′ untranslated regions) which interact with host cellular proteins to carry out transcription and translation. Such elements may vary in their strength and specificity.
- the transcriptional control element may be functional in either a eukaryotic cell (e.g., a mammalian cell) or a prokaryotic cell (e.g., bacterial or archaeal cell).
- a polynucleotide sequence encoding one or more components of a gene-regulating system described herein is operably linked to multiple control elements that allow expression of the polynucleotide in both prokaryotic and eukaryotic cells.
- promoter refers to a recognition site of a polynucleotide (DNA or RNA) to which an RNA polymerase binds. An RNA polymerase initiates and transcribes polynucleotides operably linked to the promoter.
- promoters operative in mammalian cells comprise an AT-rich region located approximately 25 to 30 bases upstream from the site where transcription is initiated and/or another sequence found 70 to 80 bases upstream from the start of transcription, a CNCAAT region where N may be any nucleotide.
- the term “enhancer” refers to a segment of DNA which contains sequences capable of providing enhanced transcription and in some instances can function independent of their orientation relative to another control sequence.
- An enhancer can function cooperatively or additively with promoters and/or other enhancer elements.
- polynucleotides encoding one or more components of a gene-regulating system described herein are operably linked to a promoter.
- operably linked refers to a juxtaposition wherein the components described are in a relationship permitting them to function in their intended manner.
- the term refers to a functional linkage between a nucleic acid expression control sequence (such as a promoter, and/or enhancer) and a second polynucleotide sequence, e.g., a polynucleotide encoding one or more components of a gene-regulating system, wherein the expression control sequence directs transcription of the nucleic acid corresponding to the second sequence.
- Non-limiting examples of suitable eukaryotic promoters include those from cytomegalovirus (CMV) immediate early, herpes simplex virus (HSV) thymidine kinase, a viral simian virus 40 (SV40) (e.g., early and late SV40), a spleen focus forming virus (SFFV) promoter, long terminal repeats (LTRs) from retrovirus (e.g., a Moloney murine leukemia virus (MoMLV) LTR promoter or a a Rous sarcoma virus (RSV) LTR), a herpes simplex virus (HSV) (thymidine kinase) promoter, H5, P7.5, and P11 promoters from vaccinia virus, an elongation factor 1-alpha (EF1 ⁇ ) promoter, early growth response 1 (EGR1) promoter, a ferritin H (FerH) promoter,
- CMV cytomegalovirus
- the expression vector may also contain a ribosome binding site for translation initiation and a transcription terminator.
- the expression vector may also include appropriate sequences for amplifying expression.
- the expression vector may also include nucleotide sequences encoding protein tags (e.g., 6 ⁇ His tag, hemagglutinin tag, green fluorescent protein, etc.) that are fused to the site-directed modifying polypeptide, thus resulting in a chimeric polypeptide.
- a polynucleotide sequence encoding one or more components of a gene-regulating system described herein is operably linked to a constitutive promoter.
- the polynucleotides encoding one or more components of a gene-regulating system described herein are constitutively and/or ubiquitously expressed in a cell.
- a polynucleotide sequence encoding one or more components of a gene-regulating system described herein is operably linked to an inducible promoter.
- polynucleotides encoding one or more components of a gene-regulating system described herein are conditionally expressed.
- conditional expression may refer to any type of conditional expression including, but not limited to, inducible expression; repressible expression; expression in cells or tissues having a particular physiological, biological, or disease state (e.g., cell type or tissue specific expression) etc.
- inducible promoters/systems include, but are not limited to, steroid-inducible promoters such as promoters for genes encoding glucocorticoid or estrogen receptors (inducible by treatment with the corresponding hormone), metallothionine promoter (inducible by treatment with various heavy metals), MX-1 promoter (inducible by interferon), the “GeneSwitch” mifepristone-regulatable system (Sirin et al., 2003 , Gene, 323:67), the cumate inducible gene switch (WO 2002/088346), tetracycline-dependent regulatory systems, etc.
- steroid-inducible promoters such as promoters for genes encoding glucocorticoid or estrogen receptors (inducible by treatment with the corresponding hormone), metallothionine promoter (inducible by treatment with various heavy metals), MX-1 promoter (inducible by interferon), the “GeneSwitch”
- the vectors described herein further comprise a transcription termination signal. Elements directing the efficient termination and polyadenylation of the heterologous nucleic acid transcripts increases heterologous gene expression. Transcription termination signals are generally found downstream of the polyadenylation signal.
- vectors comprise a polyadenylation sequence 3′ of a polynucleotide encoding a polypeptide to be expressed.
- polyA site or “polyA sequence” as used herein denotes a DNA sequence which directs both the termination and polyadenylation of the nascent RNA transcript by RNA polymerase II.
- Polyadenylation sequences can promote mRNA stability by addition of a polyA tail to the 3′ end of the coding sequence and thus, contribute to increased translational efficiency.
- Cleavage and polyadenylation is directed by a poly(A) sequence in the RNA.
- the core poly(A) sequence for mammalian pre-mRNAs has two recognition elements flanking a cleavage-polyadenylation site. Typically, an almost invariant AAUAAA hexamer lies 20-50 nucleotides upstream of a more variable element rich in U or GU residues. Cleavage of the nascent transcript occurs between these two elements and is coupled to the addition of up to 250 adenosines to the 5′ cleavage product.
- the core poly(A) sequence is an ideal polyA sequence (e.g., AATAAA, ATTAAA, AGTAAA).
- the poly(A) sequence is an SV40 polyA sequence, a bovine growth hormone polyA sequence (BGHpA), a rabbit ⁇ -globin polyA sequence (r ⁇ gpA), variants thereof, or another suitable heterologous or endogenous polyA sequence known in the art.
- BGHpA bovine growth hormone polyA sequence
- r ⁇ gpA rabbit ⁇ -globin polyA sequence
- variants thereof or another suitable heterologous or endogenous polyA sequence known in the art.
- a vector may also comprise a sequence encoding a signal peptide (e.g., for nuclear localization, nucleolar localization, mitochondrial localization), fused to the polynucleotide encoding the one or more components of the system.
- a vector may comprise a nuclear localization sequence (e.g., from SV40) fused to the polynucleotide encoding the one or more components of the system.
- Methods of introducing polynucleotides and recombinant vectors into a host cell are known in the art, and any known method can be used to introduce components of a gene-regulating system into a cell. Suitable methods include e.g., viral or bacteriophage infection, transfection, conjugation, protoplast fusion, lipofection, electroporation, calcium phosphate precipitation, polyethyleneimine (PEI)-mediated transfection, DEAE-dextran mediated transfection, liposome-mediated transfection, particle gun technology, calcium phosphate precipitation, direct micro injection, nanoparticle-mediated nucleic acid delivery (see, e.g., Panyam et al., Adv Drug Deliv Rev. 2012 Sep. 13.
- PKI polyethyleneimine
- delivery via electroporation comprises mixing the cells with the components of a gene-regulating system in a cartridge, chamber, or cuvette and applying one or more electrical impulses of defined duration and amplitude.
- cells are mixed with components of a gene-regulating system in a vessel connected to a device (e.g., a pump) which feeds the mixture into a cartridge, chamber, or cuvette wherein one or more electrical impulses of defined duration and amplitude are applied, after which the cells are delivered to a second vessel.
- a device e.g., a pump
- polynucleotide delivery systems suitable for use in particular embodiments contemplated in particular embodiments include, but are not limited to, those provided by Amaxa Biosystems, Maxcyte, Inc., BTX Molecular Delivery Systems, NeonTM Transfection Systems, and Copernicus Therapeutics Inc.
- Lipofection reagents are sold commercially (e.g., TransfectamTM and LipofectinTM). Cationic and neutral lipids that are suitable for efficient lipofection of polynucleotides have been described in the literature. See e.g., Liu et al. (2003) Gene Therapy. 10:180-187; and Balazs et al. (2011) Journal of Drug Delivery. 2011:1-12.
- vectors comprising polynucleotides encoding one or more components of a gene-regulating system described herein are introduced to cells by viral delivery methods, e.g., by viral transduction. In some embodiments, vectors comprising polynucleotides encoding one or more components of a gene-regulating system described herein are introduced to cells by non-viral delivery methods.
- Illustrative methods of non-viral delivery of polynucleotides contemplated in particular embodiments include, but are not limited to: electroporation, sonoporation, lipofection, microinjection, biolistics, virosomes, liposomes, immunoliposomes, nanoparticles, polycation or lipid:nucleic acid conjugates, naked DNA, artificial virions, DEAE-dextran-mediated transfer, gene gun, and heat-shock.
- one or more components of a gene-regulating system, or polynucleotide sequence encoding one or more components of a gene-regulating system described herein are introduced to a cell in a non-viral delivery vehicle, such as a transposon, a nanoparticle (e.g., a lipid nanoparticle), a liposome, an exosome, an attenuated bacterium, or a virus-like particle.
- a non-viral delivery vehicle such as a transposon, a nanoparticle (e.g., a lipid nanoparticle), a liposome, an exosome, an attenuated bacterium, or a virus-like particle.
- the vehicle is an attenuated bacterium (e.g., naturally or artificially engineered to be invasive but attenuated to prevent pathogenesis including Listeria monocytogenes , certain Salmonella strains, Bifidobacterium longum , and modified Escherichia coli ), bacteria having nutritional and tissue-specific tropism to target specific cells, and bacteria having modified surface proteins to alter target cell specificity.
- the vehicle is a genetically modified bacteriophage (e.g., engineered phages having large packaging capacity, less immunogenicity, containing mammalian plasmid maintenance sequences and having incorporated targeting ligands).
- the vehicle is a mammalian virus-like particle.
- modified viral particles can be generated (e.g., by purification of the “empty” particles followed by ex vivo assembly of the virus with the desired cargo).
- the vehicle can also be engineered to incorporate targeting ligands to alter target tissue specificity.
- the vehicle is a biological liposome.
- the biological liposome is a phospholipid-based particle derived from human cells (e.g., erythrocyte ghosts, which are red blood cells broken down into spherical structures derived from the subject and wherein tissue targeting can be achieved by attachment of various tissue or cell-specific ligands), secretory exosomes, or subjectiderived membrane-bound nanovescicles (30-100 nm) of endocytic origin (e.g., can be produced from various cell types and can therefore be taken up by cells without the need for targeting ligands).
- human cells e.g., erythrocyte ghosts, which are red blood cells broken down into spherical structures derived from the subject and wherein tissue targeting can be achieved by attachment of various tissue or cell-specific ligands
- secretory exosomes e.g., secretory exosomes
- subjectiderived membrane-bound nanovescicles (30-100 nm) of endocytic origin e.g., can be
- the present disclosure provides methods for producing modified immune effector cells.
- the methods comprise introducing a gene-regulating system into a population of immune effector cells wherein the gene-regulating system is capable of reducing expression and/or function of one or more endogenous target genes.
- a nucleic acid-, protein-, or nucleic acid/protein-based system can be introduced into target cells in a variety of forms using a variety of delivery methods and formulations.
- a polynucleotide encoding one or more components of the system is delivered by a recombinant vector (e.g., a viral vector or plasmid, described supra).
- a vector may comprise a plurality of polynucleotides, each encoding a component of the system.
- a plurality of vectors may be used, wherein each vector comprises a polynucleotide encoding a particular component of the system.
- the introduction of the gene-regulating system to the cell occurs in vitro. In some embodiments, the introduction of the gene-regulating system to the cell occurs in vivo. In some embodiments, the introduction of the gene-regulating system to the cell occurs ex vivo.
- the introduction of the gene-regulating system to the cell occurs in vitro or ex vivo.
- the immune effector cells are modified in vitro or ex vivo without further manipulation in culture.
- the methods of producing a modified immune effector cell described herein comprise introduction of a gene-regulating system in vitro or ex vivo without additional activation and/or expansion steps.
- the immune effector cells are modified and are further manipulated in vitro or ex vivo.
- the immune effector cells are activated and/or expanded in vitro or ex vivo prior to introduction of a gene-regulating system.
- a gene-regulating system is introduced to the immune effector cells and are then activated and/or expanded in vitro or ex vivo.
- successfully modified cells can be sorted and/or isolated (e.g., by flow cytometry) from unsuccessfully modified cells to produce a purified population of modified immune effector cells. These successfully modified cells can then be further propagated to increase the number of the modified cells and/or cryopreserved for future use.
- the present disclosure provides methods for producing modified immune effector cells comprising obtaining a population of immune effector cells.
- the population of immune effector cells may be cultured in vitro under various culture conditions necessary to support growth, for example, at an appropriate temperature (e.g., 37° C.) and atmosphere (e.g., air plus 5% CO 2 ) and in an appropriate culture medium.
- Culture medium may be liquid or semi-solid, e.g. containing agar, methylcellulose, etc.
- cell culture media include Minimal Essential Media (MEM), Iscove's modified DMEM, RPMI 1640Clicks, AIM-V, F-12, X-Vivo 15, X-Vivo 20, and Optimizer, with added amino acids, sodium pyruvate, and vitamins, either serum-free or supplemented with an appropriate amount of serum (or plasma) or a defined set of hormones, and/or an amount of cytokine(s) sufficient for the growth and expansion of the immune effector cells.
- MEM Minimal Essential Media
- Iscove's modified DMEM RPMI 1640Clicks
- AIM-V RNA-V
- F-12 X-Vivo 15
- X-Vivo 20 X-Vivo 15
- Optimizer Optimizer
- Culture media may be supplemented with one or more factors necessary for proliferation and viability including, but not limited to, growth factors such as serum (e.g., fetal bovine or human serum at about 5%-10%), interleukin-2 (IL-2), insulin, IFN- ⁇ , IL-4, IL-7, IL-21, GM-CSF, IL-10, IL-12, IL-15, TGF ⁇ , and TNF- ⁇ .
- growth factors such as serum (e.g., fetal bovine or human serum at about 5%-10%), interleukin-2 (IL-2), insulin, IFN- ⁇ , IL-4, IL-7, IL-21, GM-CSF, IL-10, IL-12, IL-15, TGF ⁇ , and TNF- ⁇ .
- additives for T cell expansion include, but are not limited to, surfactant, piasmanate, pH buffers such as HEPES, and reducing agents such as N-acetyl-cysteine and 2-mercaptoethanol, or any other additives suitable for the growth of cells known to the skilled artisan such as L-glutamine, a thiol, particularly 2-mercaptoethanol, and/or antibiotics, e.g. penicillin and streptomycin. Typically, antibiotics are included only in experimental cultures, not in cultures of cells that are to be infused into a subject.
- the population of immune effector cells is obtained from a sample derived from a subject. In some embodiments, a population of immune effector cells is obtained is obtained from a first subject and the population of modified immune effector cells produced by the methods described herein is administered to a second, different subject. In some embodiments, a population of immune effector cells is obtained from a subject and the population of modified immune effector cells produced by the methods described herein is administered to the same subject.
- the sample is a tissue sample, a fluid sample, a cell sample, a protein sample, or a DNA or RNA sample.
- a tissue sample may be derived from any tissue type including, but not limited to skin, hair (including roots), bone marrow, bone, muscle, salivary gland, esophagus, stomach, small intestine (e.g., tissue from the duodenum, jejunum, or ileum), large intestine, liver, gallbladder, pancreas, lung, kidney, bladder, uterus, ovary, vagina, placenta, testes, thyroid, adrenal gland, cardiac tissue, thymus, spleen, lymph node, spinal cord, brain, eye, ear, tongue, cartilage, white adipose tissue, or brown adipose tissue.
- tissue type including, but not limited to skin, hair (including roots), bone marrow, bone, muscle, salivary gland, esophagus, stomach, small intestine (e.g., tissue from the duodenum, jejunum, or ileum), large intestine, liver, gallbladder, pancrea
- a tissue sample may be derived from a cancerous, pre-cancerous, or non-cancerous tumor.
- a fluid sample comprises buccal swabs, blood, plasma, oral mucous, vaginal mucous, peripheral blood, cord blood, saliva, semen, urine, ascites fluid, pleural fluid, spinal fluid, pulmonary lavage, tears, sweat, semen, seminal fluid, seminal plasma, prostatic fluid, pre-ejaculatory fluid (Cowper's fluid), excreta, cerebrospinal fluid, lymph, cell culture media comprising one or more populations of cells, buffered solutions comprising one or more populations of cells, and the like.
- the sample is processed to enrich or isolate a population of immune effector cells from the remainder of the sample.
- the sample is a peripheral blood sample which is then subject to leukapheresis to separate the red blood cells and platelets and to isolate lymphocytes.
- the sample is a leukopak from which immune effector cells can be isolated or enriched.
- the sample is a tumor sample that is further processed to isolate lymphocytes present in the tumor (i.e., by fragmentation and enzymatic digestion of the tumor to obtain a cell suspension of tumor infiltrating lymphocytes).
- a method for manufacturing modified immune effector cells contemplated herein comprises activation and/or expansion of a population of immune effector cells, as described, for example, in U.S. Pat. Nos. 6,352,694; 6,534,055; 6,905,680; 6,692,964; 5,858,358; 6,887,466; 6,905,681; 7,144,575; 7,067,318; 7,172,869; 7,232,566; 7,175,843; 5,883,223; 6,905,874; 6,797,514; 6,867,041; and U.S. Patent Application Publication No. 20060121005.
- a method for manufacturing modified immune effector cells contemplated herein comprises activating a population of cells comprising immune effector cells.
- the immune effector cells are T cells.
- T cell activation can be accomplished by providing a primary stimulation signal (e.g., through the T cell TCR/CD3 complex or via stimulation of the CD2 surface protein) and by providing a secondary co-stimulation signal through an accessory molecule.
- the TCR/CD3 complex may be stimulated by contacting the T cell with a suitable CD3 binding agent, e.g., a CD3 ligand or an anti-CD3 monoclonal antibody.
- a suitable CD3 binding agent e.g., a CD3 ligand or an anti-CD3 monoclonal antibody.
- CD3 antibodies include, but are not limited to, OKT3, G19-4, BC3, CRIS-7 and 64.1.
- a CD2 binding agent may be used to provide a primary stimulation signal to the T cells.
- CD2 binding agents include, but are not limited to, CD2 ligands and anti-CD2 antibodies, e.g., the T11.3 antibody in combination with the T11.1 or T11.2 antibody (Meuer, S. C. et al.
- induction of T cell responses typically requires a second, costimulatory signal provided by a ligand that specifically binds a costimulatory molecule on a T cell, thereby providing a costimulatory signal which, in addition to the primary signal provided by, for instance, binding of a TCR/CD3 complex, mediates a desired T cell response.
- Suitable costimulatory ligands include, but are not limited to, CD7, B7-1 (CD80), B7-2 (CD86), 4-1BBL, OX40L, inducible costimulatory ligand (ICOS-L), intercellular adhesion molecule (ICAM), CD30L, CD40, CD70, CD83, HLA-G, MICA, MICB, HVEM, lymphotoxin beta receptor, ILT3, ILT4, an agonist or antibody that binds Tol1 ligand receptor, and a ligand that specifically binds with B7-H3.
- a costimulatory ligand comprises an antibody or antigen binding fragment thereof that specifically binds to a costimulatory molecule present on a T cell, including but not limited to, CD27, CD28, 4-1BB, OX40, CD30, CD40, ICOS, lymphocyte function-associated antigen-1 (LFA-1), CD7, LIGHT, NKG2C, B7-H3, and a ligand that specifically binds with CD83.
- a CD28 binding agent can be used to provide a costimulatory signal.
- CD28 binding agents include but are not limited to: natural CD28 ligands, e.g., a natural ligand for CD28 (e.g., a member of the B7 family of proteins, such as B7-1 (CD80) and B7-2 (CD86); and anti-CD28 monoclonal antibody or fragment thereof capable of crosslinking the CD28 molecule, e.g., monoclonal antibodies 9.3, B-T3, XR-CD28, KOLT-2, 15E8, 248.23.2, and EX5.3D10.
- natural CD28 ligands e.g., a natural ligand for CD28 (e.g., a member of the B7 family of proteins, such as B7-1 (CD80) and B7-2 (CD86); and anti-CD28 monoclonal antibody or fragment thereof capable of crosslinking the CD28 molecule, e.g., monoclonal antibodies 9.3, B-T3, XR-CD28, KOLT-2, 15E8, 248.2
- binding agents that provide stimulatory and costimulatory signals are localized on the surface of a cell. This can be accomplished by transfecting or transducing a cell with a nucleic acid encoding the binding agent in a form suitable for its expression on the cell surface or alternatively by coupling a binding agent to the cell surface.
- the costimulatory signal is provided by a costimulatory ligand presented on an antigen presenting cell, such as an artificial APC (aAPC).
- K32 or U32 aAPCs are used to direct the display of one or more antibody-based stimulatory molecules on the aAPC cell surface.
- Populations of T cells can be expanded by aAPCs expressing a variety of costimulatory molecules including, but not limited to, CD137L (4-1BBL), CD134L (OX40L), and/or CD80 or CD86.
- Exemplary aAPCs are provided in WO 03/057171 and US2003/0147869, incorporated by reference in their entireties.
- binding agents that provide activating and costimulatory signals are localized a solid surface (e.g., a bead or a plate). In some embodiments, the binding agents that provide activating and costimulatory signals are both provided in a soluble form (provided in solution).
- the population of immune effector cells is expanded in culture in one or more expansion phases. “Expansion” refers to culturing the population of immune effector cells for a pre-determined period of time in order to increase the number of immune effector cells. Expansion of immune effector cells may comprise addition of one or more of the activating factors described above and/or addition of one or more growth factors such as a cytokine (e.g., IL-2, IL-15, IL-21, and/or IL-7) to enhance or promote cell proliferation and/or survival. In some embodiments, combinations of IL-2, IL-15, and/or IL-21 can be added to the cultures during the one or more expansion phases.
- a cytokine e.g., IL-2, IL-15, IL-21, and/or IL-7
- combinations of IL-2, IL-15, and/or IL-21 can be added to the cultures during the one or more expansion phases.
- the amount of IL-2 added during the one or more expansion phases is less than 6000 U/mL. In some embodiments, the amount of IL-2 added during the one or more expansion phases is about 5500 U/mL, about 5000 U/mL, about 4500 U/mL, about 4000 U/mL, about 3500 U/mL, about 3000 U/mL, about 2500 U/mL, about 2000 U/mL, about 1500 U/mL, about 1000 U/mL, or about 500 U/mL. In some embodiments, the amount of IL-2 added during the one or more expansion phases is between about 500 U/mL and about 5500 U/mL. In some embodiments, the population of immune effector cells may be co-cultured with feeder cells during the expansion process.
- the population of immune effector cells is expanded for a pre-determined period of time, wherein the pre-determined period of time is less than about 30 days. In some embodiments, the pre-determined period of time is less than 30 days, less than 25 days, less than 20 days, less than 18 days, less than 15 days, or less than 10 days. In some embodiments, the pre-determined period of time is less than 4 weeks, less than 3 weeks, less than 2 weeks, or less than 1 week. In some embodiments, the pre-determined period of time is about 7 days, 8 days, 9 days, 10 days, 11 days, 12 days, 13 days, 14 days, 15 days, 16 days, 17 days, 18 days, 19 days, 20 days, or 21 days.
- the pre-determined period of time is about 5 days to about 25 days, about 10 to about 28 days, about 10 to about 25 days, about 10 to about 21 days, about 10 to about 20 days, about 10 to about 19 days, about 11 to about 28 days, about 11 to about 25 days, about 11 to about 21 days, about 11 to about 20 days, about 11 to about 19 days, about 12 to about 28 days, about 12 to about 25 days, about 12 to about 21 days, about 12 to about 20 days, about 12 to about 19 days, about 15 to about 28 days, about 15 to about 25 days, about 15 to about 21 days, about 15 to about 20 days, or about 15 to about 19 days. In some embodiments, the pre-determined period of time is about 5 days to about 10 days, about 10 days to about 15 days, about 15 days to about 20 days, or about 20 days to about 25 days.
- the population of immune effector cells is expanded until the number of cells reaches a pre-determined threshold.
- the population of immune effector cells is expanded until the culture comprises at least 5 ⁇ 10 6 , 1 ⁇ 10 7 , 5 ⁇ 10 7 , 1 ⁇ 10 8 , 5 ⁇ 10 8 , 1 ⁇ 10 9 , 5 ⁇ 10 9 , 1 ⁇ 10 10 , 5 ⁇ 10 10 , 1 ⁇ 10 11 , 5 ⁇ 10 11 , 1 ⁇ 10 12 5 ⁇ 10 12 , 1 ⁇ 10 13 , or at least 5 ⁇ 10 13 total cells.
- the population of immune effector cells is expanded until the culture comprises between about 1 ⁇ 10 9 total cells and about 1 ⁇ 10 11 total cells.
- the methods provided herein comprise at least two expansion phases.
- the population of immune effector cells can be expanded after isolation from a sample, allowed to rest, and then expanded again.
- the immune effector cells can be expanded in one set of expansion conditions followed by a second round of expansion in a second, different, set of expansion conditions.
- Methods for ex vivo expansion of immune cells are known in the art, for example, as described in US Patent Application Publication Nos. 2018-0207201, 20180282694 and 20170152478 and U.S. Pat. Nos. 8,383,099 and 8,034,334, herein incorporated by reference.
- the gene-regulating systems described herein can be introduced to the immune effector cells to produce a population of modified immune effector cells.
- the gene-regulating system is introduced to the population of immune effector cells immediately after enrichment from a sample.
- the gene-regulating system is introduced to the population of immune effector cells before, during, or after the one or more expansion process.
- the gene-regulating system is introduced to the population of immune effector cells immediately after enrichment from a sample or harvest from a subject, and prior to any expansion rounds.
- the gene-regulating system is introduced to the population of immune effector cells after a first round of expansion and prior to a second round of expansion.
- the gene-regulating system is introduced to the population of immune effector cells after a first and a second round of expansion.
- the present disclosure provides methods of manufacturing populations of modified immune effector cells comprising obtaining a population of immune effector cells, introducing a gene-regulating system described herein to the population of immune effector cells, and expanding the population of immune effector cells in one or more round of expansion.
- the population of immune effector cells is expanded in a first round of expansion prior to the introduction of the gene-regulating system and is expanded in a second round of expansion after the introduction of the gene-regulating system.
- the population of immune effector cells is expanded in a first round of expansion and a second round of expansion prior to the introduction of the gene-regulating system.
- the gene-regulating system is introduced to the population of immune effector cells prior to the first and second rounds of expansion.
- the methods described herein comprise removal of a tumor from a subject and processing of the tumor sample to obtain a population of tumor infiltrating lymphocytes (e.g., by fragmentation and enzymatic digestion of the tumor to obtain a cell suspension) introducing a gene-regulating system described herein to the population of immune effector cells, and expanding the population of immune effector cells in one or more round of expansion.
- the population of tumor infiltrating lymphocytes is expanded in a first round of expansion prior to the introduction of the gene-regulating system and is expanded in a second round of expansion after the introduction of the gene-regulating system.
- the population of tumor infiltrating lymphocytes is expanded in a first round of expansion and a second round of expansion prior to the introduction of the gene-regulating system.
- the gene-regulating system is introduced to the population of tumor infiltrating lymphocytes prior to the first and second rounds of expansion.
- the modified immune effector cells produced by the methods described herein may be used immediately.
- the manufacturing methods contemplated herein may further comprise cryopreservation of modified immune cells for storage and/or preparation for use in a subject.
- cryopreserving refers to the preservation of cells by cooling to sub-zero temperatures, such as (typically) 77 K or ⁇ 196° C. (the boiling point of liquid nitrogen).
- a method of storing modified immune effector cells comprises cryopreserving the immune effector cells such that the cells remain viable upon thawing. When needed, the cryopreserved modified immune effector cells can be thawed, grown and expanded for more such cells.
- Cryoprotective agents are often used at sub-zero temperatures to prevent the cells being preserved from damage due to freezing at low temperatures or warming to room temperature. Cryopreservative agents and optimal cooling rates can protect against cell injury. Cryoprotective agents which can be used include but are not limited to dimethyl sulfoxide (DMSO) (Lovelock and Bishop, Nature, 1959; 183: 1394-1395; Ashwood-Smith, Nature, 1961; 190: 1204-1205), glycerol, polyvinylpyrrolidine (Rinfret, Ann. N Y. Acad. Sci., 1960; 85: 576), and polyethylene glycol (Sloviter and Ravdin, Nature, 1962; 196: 48).
- DMSO dimethyl sulfoxide
- the cells are frozen in 10% dimethylsulfoxide (DMSO), 50% serum, 40% buffered medium, or some other such solution as is commonly used in the art to preserve cells at such freezing temperatures, and thawed in a manner as commonly known in the art for thawing frozen cultured cells.
- DMSO dimethylsulfoxide
- a method of producing a modified immune effector cell involves contacting a target DNA sequence with a complex comprising a gRNA and a Cas polypeptide.
- a gRNA and Cas polypeptide form a complex, wherein the DNA-binding domain of the gRNA targets the complex to a target DNA sequence and wherein the Cas protein (or heterologous protein fused to an enzymatically inactive Cas protein) modifies target DNA sequence.
- this complex is formed intracellularly after introduction of the gRNA and Cas protein (or polynucleotides encoding the gRNA and Cas proteins) to a cell.
- the nucleic acid encoding the Cas protein is a DNA nucleic acid and is introduced to the cell by transduction.
- the Cas9 and gRNA components of a CRISPR/Cas gene editing system are encoded by a single polynucleotide molecule.
- the polynucleotide encoding the Cas protein and gRNA component are comprised in a viral vector and introduced to the cell by viral transduction.
- the Cas9 and gRNA components of a CRISPR/Cas gene editing system are encoded by different polynucleotide molecules.
- the polynucleotide encoding the Cas protein is comprised in a first viral vector and the polynucleotide encoding the gRNA is comprised in a second viral vector.
- the first viral vector is introduced to a cell prior to the second viral vector.
- the second viral vector is introduced to a cell prior to the first viral vector.
- integration of the vectors results in sustained expression of the Cas9 and gRNA components.
- sustained expression of Cas9 may lead to increased off-target mutations and cutting in some cell types. Therefore, in some embodiments, an mRNA nucleic acid sequence encoding the Cas protein may be introduced to the population of cells by transfection. In such embodiments, the expression of Cas9 will decrease over time, and may reduce the number of off target mutations or cutting sites.
- the gRNA and Cas protein are introduced separately by electroporation.
- this complex is formed in a cell-free system by mixing the gRNA molecules and Cas proteins together and incubating for a period of time sufficient to allow complex formation.
- This pre-formed complex comprising the gRNA and Cas protein and referred to herein as a CRISPR-ribonucleoprotein (CRISPR-RNP) can then be introduced to a cell in order to modify a target DNA sequence.
- the CRISPR-RNP is introduced to the cell by electroporation.
- the system may comprise one or more gRNAs targeting a single endogenous target gene, for example to produce a single-edited modified immune effector cell.
- the system may comprise two or more gRNAs targeting two or more endogenous target genes, for example to produce a dual-edited modified immune effector cell.
- a method of producing a modified immune effector cell introducing into the cell one or more DNA polynucleotides encoding one or more shRNA molecules with sequence complementary to the mRNA transcript of a target gene.
- the immune effector cell can be modified to produce the shRNA by introducing specific DNA sequences into the cell nucleus via a small gene cassette. Both retroviruses and lentiviruses can be used to introduce shRNA-encoding DNAs into immune effector cells.
- the introduced DNA can either become part of the cell's own DNA or persist in the nucleus, and instructs the cell machinery to produce shRNAs.
- shRNAs may be processed by Dicer or AGO2-mediated slicer activity inside the cell to induce RNAi mediated gene knockdown.
- composition refers to a formulation of a gene-regulating system or a modified immune effector cell described herein that is capable of being administered or delivered to a subject or cell.
- formulations include all physiologically acceptable compositions including derivatives and/or prodrugs, solvates, stereoisomers, racemates, or tautomers thereof with any physiologically acceptable carriers, diluents, and/or excipients.
- a “therapeutic composition” or “pharmaceutical composition” is a composition of a gene-regulating system or a modified immune effector cell capable of being administered to a subject for the treatment of a particular disease or disorder or contacted with a cell for modification of one or more endogenous target genes.
- phrases “pharmaceutically acceptable” is employed herein to refer to those compounds, materials, compositions, and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beings and animals without excessive toxicity, irritation, allergic response, or other problem or complication, commensurate with a reasonable benefit/risk ratio.
- pharmaceutically acceptable carrier includes without limitation any adjuvant, carrier, excipient, glidant, sweetening agent, diluent, preservative, dye/colorant, flavor enhancer, surfactant, wetting agent, dispersing agent, suspending agent, stabilizer, isotonic agent, solvent, surfactant, and/or emulsifier which has been approved by the United States Food and Drug Administration as being acceptable for use in humans and/or domestic animals.
- Exemplary pharmaceutically acceptable carriers include, but are not limited to, to sugars, such as lactose, glucose and sucrose; starches, such as corn starch and potato starch; cellulose, and its derivatives, such as sodium carboxymethyl cellulose, ethyl cellulose and cellulose acetate; tragacanth; malt; gelatin; talc; cocoa butter, waxes, animal and vegetable fats, paraffins, silicones, bentonites, silicic acid, zinc oxide; oils, such as peanut oil, cottonseed oil, safflower oil, sesame oil, olive oil, corn oil and soybean oil; glycols, such as propylene glycol; polyols, such as glycerin, sorbitol, mannitol and polyethylene glycol; esters, such as ethyl oleate and ethyl laurate; agar; buffering agents, such as magnesium hydroxide and aluminum hydroxide; alginic acid; pyrogen-free water
- “Pharmaceutically acceptable salt” includes both acid and base addition salts.
- Pharmaceutically-acceptable salts include the acid addition salts (formed with the free amino groups of the protein) and which are formed with inorganic acids such as, for example, hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid and the like, and organic acids such as, but not limited to, acetic acid, 2,2-dichloroacetic acid, adipic acid, alginic acid, ascorbic acid, aspartic acid, benzenesulfonic acid, benzoic acid, 4-acetamidobenzoic acid, camphoric acid, camphor-10-sulfonic acid, capric acid, caproic acid, caprylic acid, carbonic acid, cinnamic acid, citric acid, cyclamic acid, dodecylsulfuric acid, ethane-1,2-disulfonic acid, ethanesulfonic acid, 2-hydroxyethanes
- Salts formed with the free carboxyl groups can also be derived from inorganic bases such as, for example, sodium, potassium, lithium, ammonium, calcium, magnesium, iron, zinc, copper, manganese, aluminum salts and the like.
- Salts derived from organic bases include, but are not limited to, salts of primary, secondary, and tertiary amines, substituted amines including naturally occurring substituted amines, cyclic amines and basic ion exchange resins, such as ammonia, isopropylamine, trimethylamine, diethylamine, triethylamine, tripropylamine, diethanolamine, ethanolamine, deanol, 2-dimethylaminoethanol, 2-diethylaminoethanol, dicyclohexylamine, lysine, arginine, histidine, caffeine, procaine, hydrabamine, choline, betaine, benethamine, benzathine, ethylenediamine, glucosamine, methyl
- wetting agents such as sodium lauryl sulfate and magnesium stearate, as well as coloring agents, release agents, coating agents, sweetening, flavoring and perfuming agents, preservatives and antioxidants can also be present in the compositions.
- antioxidants examples include: (1) water soluble antioxidants, such as ascorbic acid, cysteine hydrochloride, sodium bisulfate, sodium metabisulfite, sodium sulfite and the like; (2) oil-soluble antioxidants, such as ascorbyl palmitate, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), lecithin, propyl gallate, alpha-tocopherol, and the like; and (3) metal chelating agents, such as citric acid, ethylenediamine tetraacetic acid (EDTA), sorbitol, tartaric acid, phosphoric acid, and the like.
- water soluble antioxidants such as ascorbic acid, cysteine hydrochloride, sodium bisulfate, sodium metabisulfite, sodium sulfite and the like
- oil-soluble antioxidants such as ascorbyl palmitate, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), le
- kits for carrying out a method described herein can include:
- nucleic acid molecules capable of reducing the expression or modifying the function of a gene product encoded by one or more endogenous target genes
- gDNAs guide DNAs
- kits described herein further comprise one or more immune checkpoint inhibitors.
- immune checkpoint inhibitors are known in the art and have received FDA approval for the treatment of one or more cancers.
- FDA-approved PD-L1 inhibitors include Atezolizumab (Tecentriq®, Genentech), Avelumab (Bavencio®, Pfizer), and Durvalumab (Imfinzi®, AstraZeneca);
- FDA-approved PD-1 inhibitors include Pembrolizumab (Keytruda®, Merck) and Nivolumab (Opdivo®, Bristol-Myers Squibb); and FDA-approved CTLA4 inhibitors include Ipilimumab (Yervoy®, Bristol-Myers Squibb).
- Additional inhibitory immune checkpoint molecules that may be the target of future therapeutics include A2AR, B7-H3, B7-H4, BTLA, IDO, LAG3 (e.g., BMS-986016, under development by BSM), KIR (e.g., Lirilumab, under development by BSM), TIM3, TIGIT, and VISTA.
- A2AR e.g., B7-H3, B7-H4, BTLA, IDO
- LAG3 e.g., BMS-986016, under development by BSM
- KIR e.g., Lirilumab, under development by BSM
- TIM3, TIGIT VISTA.
- kits described herein comprise one or more components of a gene-regulating system (or one or more polynucleotides encoding the one or more components) and one or more immune checkpoint inhibitors known in the art (e.g., a PD1 inhibitor, a CTLA4 inhibitor, a PDL1 inhibitor, etc.).
- the kits described herein comprise one or more components of a gene-regulating system (or one or more polynucleotides encoding the one or more components) and an anti-PD1 antibody (e.g., Pembrolizumab or Nivolumab).
- kits described herein comprise a modified immune effector cell described herein (or population thereof) and one or more immune checkpoint inhibitors known in the art (e.g., a PD1 inhibitor, a CTLA4 inhibitor, a PDL1 inhibitor, etc.).
- the kits described herein comprise a modified immune effector cell described herein (or population thereof) and an anti-PD1 antibody (e.g., Pembrolizumab or Nivolumab).
- the kit comprises one or more components of a gene-regulating system (or one or more polynucleotides encoding the one or more components) and a reagent for reconstituting and/or diluting the components.
- a kit comprising one or more components of a gene-regulating system (or one or more polynucleotides encoding the one or more components) and further comprises one or more additional reagents, where such additional reagents can be selected from: a buffer for introducing the gene-regulating system into a cell; a wash buffer; a control reagent; a control expression vector or RNA polynucleotide; a reagent for in vitro production of the gene-regulating system from DNA, and the like.
- Components of a kit can be in separate containers or can be combined in a single container.
- a kit further comprises instructions for using the components of the kit to practice the methods of the present disclosure.
- the instructions for practicing the methods are generally recorded on a suitable recording medium.
- the instructions may be printed on a substrate, such as paper or plastic, etc.
- the instructions may be present in the kits as a package insert or in the labeling of the container of the kit or components thereof (i.e., associated with the packaging or sub-packaging).
- the instructions are present as an electronic storage data file present on a suitable computer readable storage medium, e.g. CD-ROM, diskette, flash drive, etc.
- the actual instructions are not present in the kit, but means for obtaining the instructions from a remote source, e.g. via the internet, are provided.
- An example of this embodiment is a kit that includes a web address where the instructions can be viewed and/or from which the instructions can be downloaded. As with the instructions, this means for obtaining the instructions is recorded on a suitable substrate.
- the modified immune effector cells and gene-regulating systems described herein may be used in a variety of therapeutic applications.
- the modified immune effector cells and/or gene-regulating systems described herein may be administered to a subject for purposes such as gene therapy, e.g. to treat a disease, for use as an antiviral, for use as an anti-pathogenic, for use as an anti-cancer therapeutic, or for biological research.
- the subject may be a neonate, a juvenile, or an adult.
- Mammalian species that may be treated with the present methods include canines and felines; equines; bovines; ovines; etc. and primates, particularly humans.
- Animal models, particularly small mammals e.g. mice, rats, guinea pigs, hamsters, rabbits, etc. may be used for experimental investigations.
- administration route is local or systemic.
- administration route is intraarterial, intracranial, intradermal, intraduodenal, intrammamary, intrameningeal, intraperitoneal, intrathecal, intratumoral, intravenous, intravitreal, ophthalmic, parenteral, spinal, subcutaneous, ureteral, urethral, vaginal, or intrauterine.
- the administration route is by infusion (e.g., continuous or bolus).
- infusion e.g., continuous or bolus
- methods for local administration that is, delivery to the site of injury or disease, include through an Ommaya reservoir, e.g. for intrathecal delivery (See e.g., U.S. Pat. Nos. 5,222,982 and 5,385,582, incorporated herein by reference); by bolus injection, e.g. by a syringe, e.g. into a joint; by continuous infusion, e.g. by cannulation, such as with convection (See e.g., US Patent Application Publication No.
- the administration route is by topical administration or direct injection.
- the modified immune effector cells described herein may be provided to the subject alone or with a suitable substrate or matrix, e.g. to support their growth and/or organization in the tissue to which they are being transplanted.
- between about 1 ⁇ 10 8 and about 1 ⁇ 10 12 cells are administered to a subject. In some embodiments, between about 1 ⁇ 10 9 and about 1 ⁇ 10 12 cells are administered to a subject. In some embodiments, between about 1 ⁇ 10 10 and about 1 ⁇ 10 12 cells are administered to a subject. In some embodiments, between about 1 ⁇ 10 11 and about 1 ⁇ 10 12 cells are administered to a subject. In some embodiments, between about 1 ⁇ 10 7 and about 1 ⁇ 10 11 cells are administered to a subject. In some embodiments, between about 1 ⁇ 10 7 and about 1 ⁇ 10 10 cells are administered to a subject. In some embodiments, between about 1 ⁇ 10 7 and about 1 ⁇ 10 9 cells are administered to a subject.
- between about 1 ⁇ 10 7 and about 1 ⁇ 10 8 cells are administered to a subject.
- the number of administrations of treatment to a subject may vary.
- introducing the modified immune effector cells into the subject may be a one-time event.
- such treatment may require an on-going series of repeated treatments.
- multiple administrations of the modified immune effector cells may be required before an effect is observed. The exact protocols depend upon the disease or condition, the stage of the disease and parameters of the individual subject being treated.
- the gene-regulating systems described herein are employed to modify cellular DNA or RNA in vivo, such as for gene therapy or for biological research.
- a gene-regulating system may be administered directly to the subject, such as by the methods described supra.
- the gene-regulating systems described herein are employed for the ex vivo or in vitro modification of a population of immune effector cells.
- the gene-regulating systems described herein are administered to a sample comprising immune effector cells.
- the modified immune effector cells described herein are administered to a subject.
- the modified immune effector cells described herein administered to a subject are autologous immune effector cells.
- autologous in this context refers to cells that have been derived from the same subject to which they are administered.
- immune effector cells may be obtained from a subject, modified ex vivo according to the methods described herein, and then administered to the same subject in order to treat a disease.
- the cells administered to the subject are autologous immune effector cells.
- the modified immune effector cells, or compositions thereof, administered to a subject are allogenic immune effector cells.
- immune effector cells may be obtained from a first subject, modified ex vivo according to the methods described herein and then administered to a second subject in order to treat a disease.
- the cells administered to the subject are allogenic immune effector cells.
- the modified immune effector cells described herein are administered to a subject in order to treat a disease.
- treatment comprises delivering an effective amount of a population of cells (e.g., a population of modified immune effector cells) or composition thereof to a subject in need thereof.
- treating refers to the treatment of a disease in a mammal, e.g., in a human, including (a) inhibiting the disease, i.e., arresting disease development or preventing disease progression;
- treatment may refer to a short-term (e.g., temporary and/or acute) and/or a long-term (e.g., sustained) reduction in one or more disease symptoms.
- treatment results in an improvement or remediation of the symptoms of the disease.
- the improvement is an observable or measurable improvement, or may be an improvement in the general feeling of well-being of the subject.
- the effective amount of a modified immune effector cell administered to a particular subject will depend on a variety of factors, several of which will differ from patient to patient including the disorder being treated and the severity of the disorder; activity of the specific agent(s) employed; the age, body weight, general health, sex and diet of the patient; the timing of administration, route of administration; the duration of the treatment; drugs used in combination; the judgment of the prescribing physician; and like factors known in the medical arts.
- the effective amount of a modified immune effector cell may be the number of cells required to result in at least 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, or more fold decrease in tumor mass or volume, decrease in the number of tumor cells, or decrease in the number of metastases. In some embodiments, the effective amount of a modified immune effector cell may be the number of cells required to achieve an increase in life expectancy, an increase in progression-free or disease-free survival, or amelioration of various physiological symptoms associated with the disease being treated.
- an effective amount of modified immune effector cells will be at least 1 ⁇ 10 3 cells, for example 5 ⁇ 10 3 cells, 1 ⁇ 10 4 cells, 5 ⁇ 10 4 cells, 1 ⁇ 10 5 cells, 5 ⁇ 10 5 cells, 1 ⁇ 10 6 , 2 ⁇ 10 6 , 3 ⁇ 10 6 , 4 ⁇ 10 6 , 5 ⁇ 10 6 , 1 ⁇ 10 7 , 1 ⁇ 10 8 , 5 ⁇ 10 8 , 1 ⁇ 10 9 , 5 ⁇ 10 9 , 1 ⁇ 10 10 , 5 ⁇ 10 10 , 1 ⁇ 10 11 , 5 ⁇ 10 11 , 1 ⁇ 10 12 , 5 ⁇ 10 12 , or more cells.
- the modified immune effector cells and gene-regulating systems described herein may be used in the treatment of a cell-proliferative disorder, such as a cancer.
- a cell-proliferative disorder such as a cancer.
- Cancers that may be treated using the compositions and methods disclosed herein include cancers of the blood and solid tumors.
- cancers that may be treated using the compositions and methods disclosed herein include, but are not limited to, adenoma, carcinoma, sarcoma, leukemia or lymphoma.
- the cancer is chronic lymphocytic leukemia (CLL), B cell acute lymphocytic leukemia (B-ALL), acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), non-Hodgkin's lymphoma (NHL), diffuse large cell lymphoma (DLCL), diffuse large B cell lymphoma (DLBCL), Hodgkin's lymphoma, multiple myeloma, renal cell carcinoma (RCC), neuroblastoma, colorectal cancer, bladder cancer, breast cancer, colorectal cancer, ovarian cancer, melanoma, sarcoma, prostate cancer, lung cancer, esophageal cancer, hepatocellular carcinoma, pancreatic cancer, astrocytoma, mesothelioma, head and neck cancer, and medulloblastoma, and liver cancer.
- CLL chronic lymphocytic leukemia
- B-ALL B cell acute lymphocytic leukemia
- ALL
- the cancer is selected from a melanoma, head and neck cancer, bladder cancer, lung cancer, cervical cancer, pancreatic cancer, breast cancer, and colorectal cancer.
- the cancer is insensitive, or resistant, to treatment with a PD1 inhibitor.
- the cancer is insensitive, or resistant to treatment with a PD1 inhibitor and is selected from a melanoma, head and neck cancer, bladder cancer, lung cancer, cervical cancer, pancreatic cancer, breast cancer, and colorectal cancer.
- immune checkpoint inhibitors are currently approved for use in a variety of oncologic indications (e.g., CTLA4 inhibitors, PD1 inhibitors, PDL1 inhibitors, etc.).
- administration of a modified immune effector cell comprising reduced expression and/or function of an endogenous target gene described herein results in an enhanced therapeutic effect (e.g., a more significant reduction in tumor growth, an increase in tumor infiltration by lymphocytes, an increase in the length of progression free survival, etc.) than is observed after treatment with an immune checkpoint inhibitor.
- the modified immune effector cells described herein, or compositions thereof are administered to treat a cancer that is resistant (or partially resistant) or insensitive (or partially insensitive) to treatment with one or more immune checkpoint inhibitors.
- administration of the modified immune effector cells or compositions thereof to a subject suffering from a cancer that is resistant (or partially resistant) or insensitive (or partially insensitive) to treatment with one or more immune checkpoint inhibitors results in treatment of the cancer (e.g., reduction in tumor growth, an increase in the length of progression free survival, etc.).
- the cancer is resistant (or partially resistant) or insensitive (or partially insensitive) to treatment with a PD1 inhibitor.
- the modified immune effector cells or compositions thereof are administered in combination with an immune checkpoint inhibitor.
- administration of the modified immune effector cells in combination with the immune checkpoint inhibitor results in an enhanced therapeutic effect in a cancer that is resistant, refractory, or insensitive to treatment by an immune checkpoint inhibitor than is observed by treatment with either the modified immune effector cells or the immune checkpoint inhibitor alone.
- administration of the modified immune effector cells in combination with the immune checkpoint inhibitor results in an enhanced therapeutic effect in a cancer that is partially resistant, partially refractory, or partially insensitive to treatment by an immune checkpoint inhibitor than is observed by treatment with either the modified immune effector cells or the immune checkpoint inhibitor alone.
- the cancer is resistant (or partially resistant), refractory (or partially refractory), or insensitive (or partially insensitive) to treatment with a PD1 inhibitor.
- administration of a modified immune effector cell described herein or composition thereof in combination with an anti-PD1 antibody results in an enhanced therapeutic effect in a cancer that is resistant or insensitive to treatment by the anti-PD1 antibody alone. In some embodiments, administration of a modified immune effector cell described herein or composition thereof in combination with an anti-PD1 antibody results in an enhanced therapeutic effect in a cancer that is partially resistant or partially insensitive to treatment by the anti-PD1 antibody alone.
- Cancers that demonstrate resistance or sensitivity to immune checkpoint inhibition are known in the art and can be tested in a variety of in vivo and in vitro models. For example, some melanomas are sensitive to treatment with an immune checkpoint inhibitor such as an anti-PD1 antibody and can be modeled in an in vivo B16-Ova tumor model (See Examples 6, 7, 16, and 19). Further, some colorectal cancers are known to be resistant to treatment with an immune checkpoint inhibitor such as an anti-PD1 antibody and can be modeled in a PMEL/MC38-gp100 model (See Examples 8 and 17).
- lymphomas are known to be insensitive to treatment with an immune checkpoint inhibitor such as an anti-PD1 antibody and can be modeled in a various models by adoptive transfer or subcutaneous administration of lymphoma cell lines, such as Raji cells (See Examples 12, 14, 15, 21, and 22).
- the modified immune effector cells and gene-regulating systems described herein may be used in the treatment of a viral infection.
- the virus is selected from one of adenoviruses, herpesviruses (including, for example, herpes simplex virus and Epstein Barr virus, and herpes zoster virus), poxviruses, papovaviruses, hepatitis viruses, (including, for example, hepatitis B virus and hepatitis C virus), papilloma viruses, orthomyxoviruses (including, for example, influenza A, influenza B, and influenza C), paramyxoviruses, coronaviruses, picornaviruses, reoviruses, togaviruses, flaviviruses, bunyaviridae, rhabdoviruses, rotavirus, respiratory syncitial virus, human immunodeficiency virus, or retroviruses.
- herpesviruses including, for example, herpes simplex virus and
- the experiments described herein utilize the CRISPR/Cas9 system to modulate expression of one or more endogenous target genes in different T cell populations.
- gRNAs single-molecule gRNAs
- Dual gRNA molecules were used as indicated and were formed by duplexing 200 ⁇ M tracrRNA (IDT Cat#1072534) with 200 ⁇ M of target-specific crRNA (IDT) in nuclease free duplex buffer (IDT Cat#11-01-03-01) for 5 min at 95° C., to form 100 ⁇ M of tracrRNA:crRNA duplex, where the tracrRNA and crRNA are present at a 1:1 ratio.
- IDTT target-specific crRNA
- Cas9 was expressed in target cells by introduction of either Cas9 mRNA or a Cas9 protein. Unless otherwise indicated, Cas9-encoding mRNA comprising a nuclear localization sequence (Cas9-NLS mRNA) derived from S. pyogenes (Trilink L-7206) or Cas9 protein derived from S. pyogenes (IDT Cat#1074182) was used in the following experiments.
- RNPs Human gRNA-Cas9 ribonucleoproteins
- Wild type CD8 + T cells were derived from C57BL/6J mice (The Jackson Laboratory, Bar Harbor Me.).
- Ovalbumin (Ova)-specific CD8 + T cells were derived from OT1 mice (C57BL/6-Tg(TcraTcrb) 1100Mjb/J; Jackson Laboratory).
- OT1 mice comprise a transgenic TCR that recognizes residues 257-264 of the ovalbumin (Ova) protein.
- gp100-specific CD8+ T cells were derived from PMEL mice (B6.Cg-Thy1 ⁇ a>/CyTg(TcraTcrb) 8Rest/J; The Jackson Laboratory, Bar Harbor Me. Cat #005023).
- mice constitutively expressing the Cas9 protein were obtain from Jackson labs (B6J.129(Cg)-Gt(ROSA)26Sortm1.1(CAG-cas9*,-EGFP)Fezh/J; The Jackson Laboratory, Bar Harbor Me. Strain #026179), TCR-transgenic mice constitutively expressing Cas9 were obtained by breeding of OT1 and PMEL mice with Cas9 mice.
- CARs specific for human CD19, Her2/Erbb2, and EGFR proteins were generated. Briefly, the 22 amino acid signal peptide of the human granulocyte-macrophage colony stimulating factor receptor subunit alpha (GMSCF-Rt) was fused to an antigen-specific scFv domain specifically binding to one of CD19, Her2/Erbb2, or EGFR.
- the human CD8t stalk was used as a transmembrane domain.
- the intracellular signaling domains of the CD35 chain were fused to the cytoplasmic end of the CD8t stalk.
- the scFv was derived from the anti-human CD19 clone FMC63.
- the anti-human HER2 scFv derived from trastuzumab was used.
- the anti-EGFR scFv derived from cetuximab was used.
- a summary of exemplary CAR constructs is shown below and amino acid sequences of the full length CAR constructs are provided in SEQ ID NOs: 26, 28, and 30, and nucleic acid sequences of the full length CAR constructs are provided in SEQ ID NOs: 27, 29, and 31.
- TCRs specific for NY-ESO1, MART-1, and WT-1 were generated. Paired TCR- ⁇ :TCR- ⁇ variable region protein sequences encoding the 1G4 TCR specific for the NY-ESO-1 peptide SLLMWITQC (SEQ ID NO: 2), the DMF4 and DMF5 TCRs specific for the MART-1 peptide AAGIGILTV (SEQ ID NO: 3), and the DLT and high-affinity DLT TCRs specific for the WT-1 peptide, each presented by HLA-A*02:01, were identified from the literature (Robbins et al, Journal of Immunology 2008 180:6116-6131).
- TCRt chains were composed of V and J gene segments and CDR3 ⁇ sequences and TCR ⁇ chains were composed of V, D, and J gene segment and CDR3- ⁇ sequences.
- the native TRAC (SEQ ID NO: 22) and TRBC (SEQ ID NOs: 24) protein sequences were fused to the C-terminal ends of the a and 3 chain variable regions, respectively, to produce 1G4-TCR ⁇ / ⁇ chains (SEQ ID NOs: 11 and 12, respectively), 95:LY 1G4-TCR ⁇ / ⁇ chains (SEQ ID NOs: 14 and 13, respectively), DLT-TCR ⁇ / ⁇ chains (SEQ ID NOs: 5 and 4, respectively), high-affinity DLT-TCR ⁇ / ⁇ chains (SEQ ID NOs: 8 and 7, respectively), DMF4-TCR ⁇ / ⁇ chains (SEQ ID NOs: 17 and 16, respectively), and DMF5-TCR ⁇ / ⁇ chains (SEQ ID NOs: 20 and 19, respectively).
- Codon-optimized DNA sequences encoding the engineered TCR ⁇ and TCR ⁇ chain proteins were generated where the P2A sequence (SEQ ID NO: 1) was inserted between the DNA sequences encoding the TCR ⁇ and the TCR ⁇ chain, such that expression of both TCR chains was driven off of a single promoter in a stoichiometric fashion.
- the expression cassettes encoding the engineered TCR chains therefore comprised the following format: TCR ⁇ -P2A-TCR ⁇ .
- SEQ ID NO: 12 (1G4), SEQ ID NO: 15 (95:LY 1G4), SEQ ID NO: 6 (DLT), SEQ ID NO: 9 (high-affinity DLT), SEQ ID NO: 18 (DMF4), and SEQ ID NO: 21 (DMF5).
- the CAR and engineered TCR expression constructs described above were then inserted into a plasmid comprising an SFFV promoter driving expression of the engineered receptor, a T2A sequence, and a puromycin resistance cassette. Unless otherwise indicated, these plasmids further comprised a human or a murine (depending on the species the T cells were derived from) U6 promoter driving expression of one or more sgRNAs.
- Lentivirus constructs comprising an engineered TCR expression construct may further comprise an sgRNA targeting the endogenous TRAC gene, which encodes the constant region of the a chain of the T cell receptor. Lentiviruses encoding the engineered receptors described above were generated as follows.
- LentiX-293T cells were plated out in a 5-layer CellSTACK 24 hours prior to transfection.
- Serum-free OptiMEM and TransIT-293 were combined and incubated for 5 minutes before combining helper plasmids (58 ⁇ g VSVG and 115 ⁇ g PAX2-Gag-Pol) with 231 ⁇ g of an engineered receptor- and sgRNA-expressing plasmid described above. After 20 minutes, this mixture was added to the LentiX-293T cells with fresh media. Media was replaced 18 hours after transfection and viral supernatants were collected 48 hours post-transfection.
- helper plasmids 58 ⁇ g VSVG and 115 ⁇ g PAX2-Gag-Pol
- sgRNA sequences were inserted into a plasmid downstream of a murine U6 promoter.
- Human CD2 was inserted under the UbiC promoter downstream of the sgRNA as a selectable marker.
- plasmids included the above elements as well as a codon optimized, gRNA-resistant cDNA encoding wild-type murine Zc3h12a.
- Retroviruses were generated as follows. Phoenix-GP cells (ATCC® CRL-3215TM) were used as producer cells.
- producer cells When 80% confluent, producer cells were transfected with pCL-Eco Retrovirus Packaging Vector and the plasmid encoding the sgRNA and surface selection marker described above using TransIT®-293 Transfection Reagent (Mirusbio, Catalog #2706). 18 hours after transfection, media was changed for complete T cell media (RPMI+10% heat inactivated FBS, 20 mM HEPES, 100 U/mL Penicillin, 100 ⁇ g/mL Streptomycin, 50 ⁇ M Beta-Mercaptoethanol). Viral supernatants were harvested every 12 hours for a total of 3 harvests, spun and frozen at ⁇ 80° C.
- CD8+ T-cells were then purified from total PBMCs using a CD8+ T-cell isolation kit (Stemcell Technologies Cat #17953).
- CD8+ T cells were plated at 2 ⁇ 106 cells/mL in X-VIVO 15 T Cell Expansion Medium (Lonza, Cat#04-418Q) in a T175 flask, with 6.25 ⁇ L/mL of ImmunoCult T-cell activators (anti-CD3/CD28/CD2, StemCell Technologies, Vancouver BC, Canada) and 10 ng/mL human IL2.
- T-cells were activated for 18 hours prior to transduction with lentiviral constructs.
- Tumor infiltrating lymphocytes can also be modified by the methods described herein.
- tumors are surgically resected from human patients and diced with scalpel blades into 1 mm3 pieces, with a single piece of tumor placed into each well of a 24 plate.
- 2 mL of complete TIL media (RPMI+10% heat inactivated human male AB serum, 1 mM pyruvate, 20 ⁇ g/mL gentamycin, 1 ⁇ glutamax) supplemented with 6000 U/mL of recombinant human IL-2 is added to each well of isolated TILs.
- 1 mL of media is removed from the well and replaced with fresh media and IL-2 up to 3 times a week as needed. As wells reach confluence, they are split 1:1 in new media+IL-2. After 4-5 weeks of culture, the cells are harvested for rapid expansion.
- TILs are rapidly expanded by activating 500,000 TILs with 26 ⁇ 106 allogeneic, irradiated (5000cGy) PBMC feeder cells in 20 mL TIL media+20 mL of Aim-V media (Invitrogen)+30 ng/mL OKT3 mAb. 48 hours later (Day 2), 6000 U/mL IL-2 is added to the cultures. On day 5, 20 mL of media is removed, and 20 mL fresh media (+30 ng/ml OKT3) is added.
- Spleens from WT or transgenic mice were harvested and reduced to a single cell suspension using the GentleMACS system, according to the manufacturer's recommendations.
- Purified CD8 + T cells were obtained using the EasySep Mouse CD8 + T Cell Isolation Kit (StemCell Catalog #19853).
- CD8 T-cells were cultured at 1 ⁇ 106 cells/mL in complete T cell media (RPMI+10% heat inactivated FBS, 20 mM HEPES, 100 U/mL Penicillin, 100 ⁇ g/mL Streptomycin, 50 ⁇ M Beta-Mercaptoethanol) supplemented with 2 ng/mL of Recombinant Mouse IL-2 (Biolegend Catalog #575406) and activated with anti-CD3/anti-CD28 beads (DynabeadsTM Mouse T-Activator CD3/CD28 for T-Cell Expansion and Activation Cat #11456D).
- complete T cell media RPMI+10% heat inactivated FBS, 20 mM HEPES, 100 U/mL Penicillin, 100 ⁇ g/mL Streptomycin, 50 ⁇ M Beta-Mercaptoethanol
- T-cells activated 18 hours prior were seeded at 5 ⁇ 10 6 cells per well in a 6 well plate, in 1.5 mL volume of X-VIVO 15 media, 10 ng/mL human IL-2 and 12.5 ⁇ L Immunocult Human CD3/CD28/CD2 T-cell Activator.
- Lentivirus expressing the engineered receptors was added at an MOI capable of infecting 80% of all cells.
- 25 ⁇ L of Retronectin (1 mg/mL) was added to each well.
- XVIVO-15 media was added to a final volume of 2.0 mL per well. Unless otherwise indicated, lentiviruses also expressed the sgRNAs. Plates were spun at 600 ⁇ g for 1.5 hours at room temperature. After 18 hours (Day 2), cells were washed and seeded at 1 ⁇ 10 6 cells/mL in X-VIVO 15, 10 ng/mL IL2+ T-cell activators.
- gRNAs were introduced into Cas9 transgenic T cells by Retroviral transduction.
- Murine T-cells activated 24 hours prior were seeded at 3 ⁇ 10 6 cells per well in a 6 well plate coated with 5 ⁇ g/mL RetroNectin (Takara Clontech Catalog # T100B), in 2 mL Retrovirus supernatant with 5 ⁇ g/mL protamine sulfate and 2 ng/mL of Recombinant Mouse IL-2.
- Retroviruses express the gRNAs and a surface selection marker (hCD2 or CD90.1). Plates were spun at 600 ⁇ g for 1.5 hours at room temperature.
- T cells were harvested and resuspended in nucleofection buffer (18% supplement 1, 82% P3 buffer from the Amaxa P3 primary cell 4D-Nuclefector X kit S) at a concentration of 100 ⁇ 10 6 cells/mL.
- nucleofection buffer 18% supplement 1, 82% P3 buffer from the Amaxa P3 primary cell 4D-Nuclefector X kit S
- 1.5 ⁇ L of sgRNA/Cas9 RNP complexes containing 120 pmol of crRNA:tracrRNA duplex and 20 pmol of Cas9 nuclease
- 2.1 ⁇ L (100 pmol) of electroporation enhancer were added per 20 ⁇ L of cell solution.
- 25 ⁇ L of the cell/RNP/enhancer mixture was then added to each electroporation well.
- Cells were electroporated using the Lonza electroporator with the “EO-115” program. After electroporation, 80 ⁇ L of warm X-VIVO 15 media was added to each well and cells were pooled into a culture flask at a density of 2 ⁇ 10 6 cells/mL in X-VIVO 15 media containing IL-2 (10 ng/mL). On Day 4, cells were washed, counted, and seeded at densities of 50-100 ⁇ 10 6 cells/L in X-VIVO 15 media containing IL-2 (10 ng/mL) in G-Rex6M well plates or G-Rex100M, depending on the number of cells available. On Days 6 and 8, 10 ng/mL of fresh recombinant human IL-2 was added to the cultures.
- gRNA/Cas9 RNP complexes or ZFN mRNAs (1 ⁇ L per 10 ⁇ L tip or 10 ⁇ L per 100 ⁇ L Tip) and 10.8 ⁇ M electroporation enhancer (2 ⁇ L per 10 ⁇ L Tip or 20 ⁇ L per 100 ⁇ L Tip) were added to the cells.
- T-cells mixed with gRNA/Cas9 RNP complexes or ZFN mRNAs were pipeted into the NeonTM tips and electroporated using the Neon Transfection System (1700 V/20 ms/1 pulses).
- CD8+ T cells express CD3 molecules on the cell surface as part of a complex that includes the TCR ⁇ / ⁇ chains ( FIG. 4A ).
- the T cells were transduced with a lentivirus expressing a CAR, a guide RNA targeting the TRAC gene, and a guide RNA targeting the B2M gene, which was used to assess the editing of non-TCR genes as a proxy for target gene editing.
- CD3-expressing cells were removed from the bulk population ( FIG. 4B ) using the EasySep human CD3-positive selection kit (StemCell Tech Cat#18051). Cells were then subjected to two rounds of negative magnetic selection for CD3. This process yielded highly purified CD3-negative T cells expressing ( FIG. 4C ).
- Target editing was performed as described in the above examples and the editing of a single exemplary gene, CBLB, was confirmed using both the Tracking of Indels by Decomposition (TIDE) analysis method and western blot analysis.
- TIDE quantifies editing efficacy and identifies the predominant types of insertions and deletions (indels) in the DNA of a targeted cell pool.
- Genomic DNA was isolated from edited T cells using the Qiagen Blood and Cell Culture DNA Mini Kit (Cat #: 13323) following the vendor recommended protocol and quantified. Following gDNA isolation, PCR was performed to amplify the region of edited DNA using locus-specific PCR primers (F: 5′-CCACCTCCAGTTGTTGCATT-3′ (SEQ ID NO: 32); R: 5′-TGCTGCTTCAAAGGGAGGTA-3′ (SEQ ID NO: 33). The resulting PCR products were run on a 1% agarose gel, extracted, and purified using the QIAquick Gel Extraction Kit (Cat#: 28706). Extracted products were sequenced by Sanger sequencing and Sanger sequencing chromatogram sequence files were analyzed by TIDE.
- locus-specific PCR primers F: 5′-CCACCTCCAGTTGTTGCATT-3′ (SEQ ID NO: 32); R: 5′-TGCTGCTTCAAAGGGAGGTA-3′ (SEQ ID NO: 33).
- the resulting PCR products were run
- genomic DNA was isolated from edited T cells using the Qiagen Blood and Cell Culture DNA Mini Kit (Cat#: 13323) following the vendor recommended protocol and quantified.
- PCR was performed to amplify the region of edited genomic DNA using locus-specific PCR primers containing overhangs required for the addition of Illumina Next Generation sequencing adapters.
- the resulting PCR product was run on a 1% agarose gel to ensure specific and adequate amplification of the genomic locus occurred before PCR cleanup was conducted according to the vendor recommended protocol using the Monarch PCR & DNA Cleanup Kit (Cat#: T1030S).
- Purified PCR product was then quantified, and a second PCR was performed to anneal the Illumina sequencing adapters and sample specific indexing sequences required for multiplexing. Following this, the PCR product was run on a 1% agarose gel to assess size before being purified using AMPure XP beads (produced internally). Purified PCR product was then quantified via qPCR using the Kapa Illumina Library Quantification Kit (Cat#: KK4923) and Kapa Illumina Library Quantification DNA Standards (Cat#: KK4903). Quantified product was then loaded on the Illumina NextSeq 500 system using the Illumina NextSeq 500/550 Mid Output Reagent Cartridge v2 (Cat#: FC-404-2003). Analysis of produced sequencing data was performed to assess insertions and deletions (indels) at the anticipated cut site in the DNA of the edited T cell pool.
- Kapa Illumina Library Quantification Kit Cat#: KK4923
- Kapa Illumina Library Quantification DNA Standards Cat#: KK4903
- Quantified product was then
- a pooled CRISPR screen was performed in which a pool of sgRNAs, each of which target a single gene, were introduced into a population of tumor-specific T cells such that each cell in the population comprised a single sgRNA targeting a single gene.
- the frequency of each sgRNA in the population of T cells was determined at the beginning of the experiment and compared to the frequency of the same sgRNA at a later time-point in the experiment.
- the frequency of sgRNAs targeting genes that positively regulate T cell accumulation in tumor samples is expected to increase over time, while the frequency of sgRNAs targeting genes that negatively regulate T cell accumulation in tumor samples (e.g., genes that negatively-regulate T cell proliferation, viability, and/or tumor infiltration) is expected to decrease over time.
- each sgRNA in samples harvested from tumor-bearing mice was analyzed and compared to the distribution and/or frequency of each sgRNA in the initial T cell population.
- Statistical analyses were performed for each individual sgRNA to identify guides that were significantly enriched in T cell populations harvested from tumor bearing mice and to assign an enrichment score to each of the guides.
- a pooled, genome-wide CRISPR screen was performed in which a pool of sgRNAs, each of which target a single gene, was introduced into a population of tumor-specific human CAR-T cells, such that each cell in the population comprised a single sgRNA targeting a single gene.
- the frequency of each sgRNA in the population of CAR-T cells was determined at the beginning of the experiment and compared to the frequency of the same sgRNA at a later time-point in the experiment.
- the frequency of sgRNAs targeting genes that positively regulate CAR-T cell accumulation in tumor samples is expected to increase over time, while the frequency of sgRNAs targeting genes that negatively regulate CAR-T cell accumulation in tumor samples (e.g., genes that negatively-regulate T cell proliferation, viability, and/or tumor infiltration) is expected to decrease over time.
- each sgRNA in the aliquots taken from the CART/tumor cell co-culture was analyzed and compared to the distribution and/or frequency of each sgRNA in the initial edited CAR-T cell population.
- Statistical analyses were performed for each individual sgRNA to identify sgRNAs that were significantly enriched in CAR-T cell populations after tumor cell co-culture and to assign an enrichment score to each of the guides. Enrichment scores for individual sgRNA that target the same gene were aggregated to identify target genes that have a consistent and reproducible effect on CAR-T cell accumulation in tumor samples across multiple sgRNAs and CAR-T cell population. Targets were ranked and called for further investigation based on percentile. The results of these experiments are shown below in Table 13. Percentiles in Table 13 were calculated using the following equation:
- percentile score 1 ⁇ (gene enrichment rank/total number of genes screened).
- a pooled CRISPR screen was performed in which a pool of sgRNAs, each of which target a single gene, was introduced into a population of tumor-specific human CAR-T cells such that each cell in the population comprised a single sgRNA targeting a single gene.
- the frequency of each sgRNA in the population of CAR-T cells was determined at the beginning of the experiment and compared to the frequency of the same sgRNA at a later time-point in the experiment.
- the frequency of sgRNAs targeting genes that positively regulate CAR-T cell accumulation in tumor samples is expected to increase over time, while the frequency of sgRNAs targeting genes that negatively regulate CAR-T cell accumulation in tumor samples (e.g., genes that negatively regulate T cell proliferation, viability, and/or tumor infiltration) is expected to decrease over time.
- a Burkitt lymphoma model In vivo screens performed in two separate subcutaneous xenograft models: a Burkitt lymphoma model and a colorectal cancer (CRC) model.
- Burkitt model 1 ⁇ 10 6 Burkitt lymphoma tumor cells in Matrigel were subcutaneously injected into the right flank of 6-8 week old NOD/SCID gamma (NSG) mice. Mice were monitored, randomized, and enrolled into the study 13 days post-inoculation, when tumors reached approximately 200 mm 3 in volume.
- NSG NOD/SCID gamma
- CRC CRC cells were engineered to express CD19, and 5 ⁇ 10 6 tumor cells in Matrigel were subcutaneously injected into the right flank of 6-8 week old NSG mice.
- mice were monitored, randomized, and enrolled into the study 12 days post-inoculation when tumors reached approximately 200 mm 3 in volume.
- Cas9-engineered CD19 CAR-T cells were administered iv via the tail vein at 3 ⁇ 10 6 and 10 ⁇ 10 6 /mouse (3M and 10M). Tumors were collected 8 to 10 days post-CAR-T injection and frozen in liquid nitrogen. These tissues were later dissociated and processed for genomic DNA extraction.
- each sgRNA in the genomic DNA samples taken at study end was analyzed and compared to the distribution and/or frequency of each sgRNA in the initial edited-CAR-T cell population.
- Targets with percentile scores of 0.6 or greater in Examples 3-5 were selected for further evaluation in a single-guide format to determine whether editing a target gene in tumor-specific T cells conferred an increase in anti-tumor efficacy in a murine OT1/B16-Ova subcutaneous tumor model. Evaluation of exemplary targets is described herein, however these methods can be used to evaluate any of the potential targets described above.
- Anti-tumor efficacy of single-edited T cells was evaluated in mice using the B16-Ova subcutaneous syngeneic tumor model, which is sensitive to treatment with anti-PD1 antibodies. Briefly, 6-8 week old female C57BL/6J mice from Jackson labs were injected subcutaneously with 0.5 ⁇ 10 6 B16-Ova tumor cells. When tumors reached a volume of approximately 100 mm 3 mice were randomized into groups of 10 and injected intravenously with edited mouse OT1 CD8+ T cells via tail vein.
- the OT1 T cells were edited by electroporation with gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) a single Map4k1-targeting gRNA, (iii) a single Zc3h12a-targeting gRNA; (iv) a single Cblb-targeting gRNA; (v) a single Nr4a3-targeting gRNA or; (vi) a single PD1-targeting gRNA.
- gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) a single Map4k1-targeting gRNA, (iii) a single Zc3h12a-targeting gRNA; (iv) a single Cblb-targeting gRNA; (v) a single Nr4a3-targeting gRNA or; (vi) a single PD1-targeting gRNA.
- TGI tumor growth inhibition
- Results of Cblb-edited T cells are shown in FIG. 7A . These data demonstrate that editing of the Cblb gene in T cells leads to anti-tumor efficacy with a TGI of 85% at day 18.
- Results of Zc3h12a-edited T cells are shown in FIG. 7B . These data demonstrate that editing of the Zc3h12a gene in T cells enhances anti-tumor efficacy of the T cells with a TGI of 106% at day 14.
- Data from an additional experiment with Zc3h12a-edited cells are shown in FIG. 7C .
- Results of Map4k1-edited T cells are shown in FIG. 7D .
- Example 7 Validation of Single-Edited Adoptively Transferred T Cells in a Murine OT1/B16-Ova Syngeneic Tumor Model in Combination with Anti-Pd1 Therapy
- TGI tumor growth inhibition
- Example 8 Validation of Single-Edited Adoptively Transferred T Cells in a Murine PMEL and MC38/gp100 Syngeneic Tumor Model
- Targets with percentile scores of 0.6 or greater in Examples 3-5 were selected for further evaluation in a single-guide format to determine whether editing a target gene in tumor-specific T cells conferred an increase in anti-tumor efficacy in a murine MC38gp100 subcutaneous syngeneic tumor model of colorectal cancer (which is insensitive to treatment with anti-PD1 antibodies). Evaluation of exemplary targets is described herein, however these methods can be used to evaluate any of the potential targets described above.
- mice 6-8 week old female C57BL/6J mice from Jackson labs were injected subcutaneously with 1 ⁇ 10 6 MC38gp100 tumor cells. Prior to injection, the T cells were edited by electroporation with gRNA/Cas9 RNP complexes comprising (i) a control gRNA or (ii) a single Zc3h12a-targeting gRNA. When tumors reached a volume of approximately 100 mm 3 mice were randomized into groups of 10 and injected intravenously with Zc3h12a-edited mouse PMEL CD8 + T cells via tail vein. Body weight and tumor volume was measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group.
- results of Zc3h12a-edited T cells are shown in FIG. 9 . These data demonstrate that editing of the Zc3h12a gene in T cells enhances anti-tumor efficacy of the T cells with a TGI of 77% at day 20. Similar experiments are performed to assess the effect of Nr4a3-edited cells and Map4k1-edited cells on anti-tumor efficacy in a PMEL/MC38 syngeneic tumor model.
- mice 6-8 week old female C57BL/6J mice from Jackson labs are injected intravenously with 0.5 ⁇ 10 6 B16-F10 tumor cells. Mice are weighed and assigned to treatment groups using a randomization procedure prior to inoculation. At D3 post tumor inoculation, mice are injected intravenously with murine PMEL CD8+ T cells via tail vein. Prior to injection, these cells were edited by electroporation with gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) a single gRNA targeting the PD-1 gene; or (iii) a single gRNA targeting the Zc3h12a gene. Body weight is monitored at least twice per week.
- mice lungs are perfused and fixed with 10% para-formaldehyde. After overnight fixation, lungs are transferred to 70% EtOH for further preservation. Anti-tumor efficacy can be evaluated by visually assessing the B16-F10 tumor burden which can be seen as black colonies of cancer cells on the lungs.
- FIG. 10 Survival is graphed as percent ( FIG. 10 ).
- Zc3h12a-edited PMEL T cells were able to convey increased survival in comparison to control and PD1-edited PMEL T cells in a B16F10 lung met model.
- Similar experiments are performed to assess the effects of Nr4a3-edited and Map4k1-edited cells in a B16-F10 syngeneic tumor model.
- Example 10 Validation of Single-Edited Adoptively Transferred T Cells in a Murine OT1/EG7-Ova Subcutaneous Syngeneic Tumor Model
- Anti-tumor efficacy of Zc3h12a was further evaluated in mice using the Eg7-Ova subcutaneous syngeneic tumor model. 6-8 week old female C57BL/6J mice from Jackson labs were injected subcutaneously with 1 ⁇ 10 6 Eg7-Ova tumor cells. When tumors reached a volume of approximately 100 mm 3 mice were randomized into groups of 10 and injected intravenously with edited mouse OT1 CD8+ T cells via tail vein. Prior to injection these cells were edited with either a control guide or a single guide editing for the Zc3h12a gene. Body weight and tumor volume was measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group.
- TGI tumor growth inhibition
- Targets with percentile scores of 0.6 or greater in Examples 3-5 were selected for further evaluation in a single-guide format to determine whether editing a target gene in tumor-specific T cells conferred an increase in anti-tumor efficacy in the A375 xenograft tumor model. Evaluation of exemplary targets is described herein, however these methods can be used to evaluate any of the potential targets described above.
- mice 6-12 week old NSG mice from Jackson labs were injected subcutaneously with 5 ⁇ 10 6 A375 cells. When tumors reached a volume of approximately 200 mm 3 , mice were randomized into groups of 8 and injected intravenously with 18.87 ⁇ 10 6 for CBLB-edited NY-ESO-1-specific TCR transgenic T cells or 5.77 ⁇ 10 6 ZC3H12A-edited NY-ESO-1-specific TCR transgenic T cells via tail vein. Body weight and tumor volume was measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group and efficacy was evaluated as a decrease in mean tumor volume and an increase in survival compared to control edited cells.
- TGI tumor growth inhibition
- FIG. 12 Results of these experiments are shown in FIG. 12 .
- CBLB FIG. 12A
- ZC3H12A FIG. 12B
- Similar experiments are performed to assess the efficacy of MAP4K1-edited T cells and NR4A3-edited T cells in the A375 xenograft model.
- the anti-tumor efficacy of editing MAP4K1 and NR4A3 in 1 st generation CD19 CAR-T cells was evaluated in mice using the Raji subcutaneous cell derived xenograft tumor model.
- Raji cells are a human lymphoma cell line that are known to be insensitive to treatment with anti-PD1 antibodies.
- mice 6-8 week old female NSG mice from Jackson labs were injected subcutaneously with 3 ⁇ 10 6 Raji tumor cells. When tumors reached a volume of approximately 200 mm 3 mice were randomized into groups of 5 and injected intravenously with edited human CD19 CART cells via tail vein. Prior to injection the adoptively transferred cells were edited with either a control guide or a guide editing for MAP4K1 or NR4A3. Using the NGS method, the editing efficiency of the gRNA/Cas9 complex targeting the MAP4K1 gene and NR4A3 were determined to be 83% and 71%, respectively. Body weight and tumor volume was measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group.
- a double sgRNA library was constructed in a retroviral backbone.
- the library consisted of two U6 promoters (one human and one mouse), each driving expression of a single guide RNA (guide+tracr, sgRNA).
- the guides were cloned as pools to provide random pairings between guides, such that every sgRNA would be paired with every other sgRNA.
- the final double guide library was transfected into Phoenix-Eco 293T cells to generate murine ecotropic retrovirus. TCR transgenic OT1 cells expressing Cas9 were infected with the sgRNA-expressing virus to edit the two loci targeted by each of the sgRNAs.
- the edited transgenic T-cells were then transferred into mice bearing >400 mm 3 B16-Ova tumors allografts. After two weeks, the tumors were excised and the tumor-infiltrating T-cells were purified by digesting the tumors and enriching for CD45+ cells present in the tumors. Genomic DNA was extracted from CD45+ cells using a Qiagen QUIAamp DNA blood kit and the retroviral inserts were recovered by PCR using primers corresponding to the retroviral backbone sequences. The resulting PCR product were then sequenced to identify the sgRNAs present in the tumors two weeks after transfer.
- the representation of guide pairs in the final isolated cell populations was compared to the initial plasmid population and the population of infected transgenic T-cells before injection into the mouse.
- the frequency of sgRNA pairs that improved T-cells fitness and/or tumor infiltration were expected to increase over time, while combinations that impaired fitness were expected to decrease over time.
- Table 15 below shows the median fold change of sgRNA frequency in the final cell population compared to the sgRNA frequency in the initial cell population transferred in vivo.
- Targets were further evaluated in combination studies to determine combinations of edited genes that increased anti-tumor efficacy of T cells in xenograft tumor models. Evaluation of exemplary targets is described herein, however these methods can be used to evaluate any of the potential targets described above
- CBLB and BCOR were edited, either independently or together, in 1 st generation CD19 CAR-T cells and evaluated in mice using the Raji subcutaneous cell derived xenograft tumor model.
- Raji cells are a lymphoma cell line that are known to be insensitive to treatment with anti-PD1 antibodies.
- 6-8 week old female NSG mice from Jackson labs were injected subcutaneously with 3 ⁇ 10 6 Raji tumor cells. When tumors reached a volume of approximately 200 mm 3 mice were randomized into groups of 5 and injected intravenously with edited human CD19 CART cells via tail vein.
- the adoptively transferred cells were edited by electroporation with gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) single gRNA targeting CBLB; (iii) a single gRNA targeting BCOR; or (iv) 2 gRNAs targeting CBLB and BCOR.
- Body weight and tumor volume were measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group. As shown in FIG.
- Example 15 Double-Editing of BCOR and CBLB in CAR-Ts Leads to Enhanced Accumulation and Cytokine Production in the Presence of Tumor
- CD19 CAR-Ts were generated from human CD8 T cells, and a negative control gene, BCOR, CBLB, or both BCOR and CBLB were edited by electroporation using guide RNAs complexed to Cas9 in an RNP format.
- CD19 CAR-Ts were co-cultured with Raji Burkitt's Lymphoma cells in vitro at a 1:0, 0.3:1, 1:1, 3:1 and 10:1 ratio. After 24 hours, total cell counts of CAR-T cells were determined, and supernatants saved for cytokine analyses. As shown in FIG.
- BCOR and BCOR+CBLB-edited CARTs demonstrated 30% greater accumulation compared to either control or CBLB-edited CARTs, demonstrating that editing of the BCOR confers an enhanced ability of the CAR-T cells to accumulate in the presence of a tumor.
- CBLB and CBLB+BCOR-edited CARTs produced 10-fold or more IL-2 ( FIG. 16 ) and IFN ⁇ ( FIG. 17 ) compared to either control-edited CARTs, demonstrating that editing of CBLB resulted in enhanced CAR-T cell production of cytokines known to increase overall T cell fitness and functional ability.
- the increased production of IL-2 by CD8 T cells is surprising as these cells typically do not produce IL-2.
- Targets were further evaluated in combination studies to determine combinations of edited genes that increased anti-tumor efficacy of T cells in a murine OT1/B16-Ova subcutaneous syngeneic tumor model. Evaluation of exemplary targets is described herein, however these methods can be used to evaluate any of the potential targets described above.
- mice Anti-tumor efficacy of Zc3h12a/Cblb dual-edited T cells was evaluated in mice using the B16Ova subcutaneous syngeneic tumor model. Briefly, 6-8 week old female C57BL/6J mice from Jackson labs were injected subcutaneously with 0.5 ⁇ 10 6 B16Ova tumor cells. When tumors in the entire cohort of mice reached an average volume of approximately 378.3 mm 3 , the mice were randomized into groups and injected intravenously with edited murine OT1 CD8+ T cells via tail vein.
- gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) a single gRNA targeting the Cblb gene; (iii) a single gRNA targeting the Zc3h12a gene; or (iv) 2 gRNAs targeting the Cblb and Zc3h12a genes. Editing efficiency of the gRNA/Cas9 complex targeting the Cblb and Zc3h12a genes was determined to be 82% and 80% respectively, assessed using the NGS method. Body weight and tumor volume were measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group. The percentage tumor growth inhibition (TGI) was calculated using the mean tumor volume according to the following formula:
- TV mean tumor volume
- final Day 7 post-T cell transfer
- initial Day 0 (i.e., day of T cell transfer).
- Example 17 Validation of Dual-Edited, Adoptively Transferred T Cells in a Murine PMEL/MC38-gp100 Tumor Model
- Anti-tumor efficacy of Zc3h12a/Cblb dual-edited T cells, Map4k1/Cblb dual-edited T cells, and Nr4a3/Cblb dual-edited T cells is evaluated in mice using the MC38gp100 subcutaneous syngeneic tumor model. Briefly, 6-8 week old female C57BL/6J mice from Jackson labs are injected subcutaneously with 1 ⁇ 10 6 MC38gp100 tumor cells. When tumors reach a volume of approximately 100 mm 3 , mice are randomized into groups of 10 and injected intravenously with edited murine PMEL CD8+ T cells via tail vein.
- T cells Prior to injection, T cells are edited by electroporation with gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) a single gRNA targeting the PD1 gene; (iii) a single gRNA targeting the Zc3h12a gene; (iv) a single gRNA targeting the Cblb gene; (v) a single gRNA targeting the Map4k1 gene; (vi) a single gRNA targeting the Nr4a3 gene; (vii) 2 gRNAs targeting both the Zc3h12a and Cblb genes; (viii) 2 gRNAs targeting both the Nr4a3 and Cblb genes; or (ix) 2 gRNAs targeting both the Map4k1 and Cblb genes.
- Body weight and tumor volume are measured at least twice per week. Tumor volume is calculated as mean and standard error of the mean for each treatment group. The percentage TGI is calculated using the mean tumor volume according to the following formula:
- Anti-tumor efficacy of Zc3h12a/Cblb dual-edited T cells is evaluated in mice using the aggressive metastatic B16-F10 syngeneic tumor model with disease manifesting as lung metastasis. Briefly, 6-8 week old female C57BL/6J mice from Jackson labs are injected intravenously with 0.5 ⁇ 10 6 B16-F10 tumor cells. Mice are weighed and assigned to treatment groups using a randomization procedure prior to inoculation. At Day 3 post tumor inoculation, mice are injected intravenously with edited murine PMEL CD8+ T cells via tail vein.
- gRNA/Cas9 RNP complexes comprising (i) a control gRNA; (ii) a single gRNA targeting the Zc3h12a gene; (iii) a single gRNA targeting the Cblb gene; (iv) a single gRNA targeting the Map4k1 gene; (v) a single gRNA targeting the Nr4a3 gene; (vi) 2 gRNAs targeting each of the Map4k1 and Cblb genes; (vii) 2 gRNAs targeting each of the Nr4a3 and Cblb genes or; (viii) 2 gRNAs targeting each of the Zc3h12a and Cblb genes.
- Editing efficiency of the gRNA/Cas9 complex targeting the aforementioned genes is assessed using the NGS method. Body weight will be monitored at least twice per week. At Day 15 post tumor inoculation (Day 12 post edited PMEL transfer), mice lungs are perfused and fixed with 10% para-formaldehyde. After overnight fixation, lungs are transferred to 70% EtOH for further preservation. Tumor efficacy is evaluated by visually assessing the B16-F10 tumor burden which will be seen as black colonies of cancer cells on the lungs.
- Example 19 Efficacy of PD1/Lag3 Dual-Edited Transgenic T Cells in a B16-Ova Murine Tumor Model
- mice Anti-tumor efficacy of PD-1/Lag3 dual-edited T cells was evaluated in mice using the B16Ova subcutaneous syngeneic tumor model. 6-8 week old female C57BL/6J mice from Jackson labs were injected subcutaneously with 0.5 ⁇ 10 6 B16Ova tumor cells. When tumors in the entire cohort of mice reached an average volume of approximately 485 mm 3 , the mice were randomized into groups of 10 and injected intravenously with edited mouse OT1 CD8+ T cells via tail vein.
- gRNA/Cas9 RNP complexes comprising (1) a non-targeting control gRNA; (2) a single gRNA targeting the PD1 gene; (3) a single gRNA targeting the Lag3 gene; (4) 2 gRNAs, one targeting each of the PD1 and Lag3 genes.
- Body weight and tumor volume were measured at least twice per week. Tumor volume was calculated as mean and standard error of the mean for each treatment group.
- the percentage tumor growth inhibition (TGI) was calculated using the following formula:
- % TGI (PD1/Lag3 TV final ) ⁇ PD1/Lag3 TV initial )/(Control TV final ⁇ Control TV initial ),
- the data in FIG. 19 show adoptive transfer of PD1 single-edited T cells resulted in a TGI of 70% and adoptive transfer of Lag3 single-edited T cells resulted in a TGI of 36%.
- combination edits of PD1 and Lag3 did not result in enhanced tumor growth inhibition and demonstrated a TGI of 38%.
- TILs tumor infiltrating lymphocytes
- donor CD45.1 Pep Boy mice (B6.SJL-Ptprc a Pepc b /BoyJ) are injected subcutaneously with 0.5 ⁇ 10 6 B16-Ova cells.
- tumors are harvested to generate edited CD45.1 Tumor Infiltrating Lymphocytes (TILs) to infuse into the second cohort of mice.
- B16-OVA tumors (200-600 mm 3 ) are harvested, diced, and reduced to a single cell suspension using the GentleMACS system and mouse Tumor Dissociation Kit (Miltenyi Biotech Catalog #130-096-730), according to the manufacturer's recommendations.
- TIL CD4/CD8 Microbeads
- Isolated TILs are cultured in 6 well plates at 1.5 ⁇ 10 6 cells/mL in complete mTIL media (RPMI+10% heat inactivated FBS, 20 mM HEPES, 100 U/mL Penicillin, 100 ⁇ g/mL Streptomycin, 50 ⁇ M Beta-Mercaptoethanol, 1 ⁇ Glutamx) supplemented with 3000 U/mL of recombinant human IL-2 (Peprotech Catalog #200-02).
- TILs are cultured in 6 well plates at 1.5 ⁇ 10 6 cells/mL in complete mTIL media supplemented with 3000 U/mL of recombinant human IL-2.
- cells are resuspended in fresh complete mTIL media supplemented with 3000 U/mL of recombinant human IL-2 and plated in flasks at a density of 1 ⁇ 10 6 cells/mL.
- cells are harvested counted and resuspended in PBS for injection in vivo and pellets were prepared for gene expression analysis by qRT-PCR.
- TIL cells are edited by electroporation of gRNA/Cas9 complexes comprising (1) a non-targeting control gRNA; (2) a single gRNA targeting the Zc3h12a gene; (3) a single gRNA targeting the Map4k1 gene; (4) a single gRNA targeting the Nr4a3 gene; (5) a single gRNA targeting Cblb; (6) 2 gRNAs targeting the Zc3h12a gene and Cblb gene; (7) 2 gRNAs targeting the Map4k1 gene and Cblb gene; or (8) 2 gRNAs targeting the Nr4a3 gene and Cblb gene.
- gRNA/Cas9 complexes comprising (1) a non-targeting control gRNA; (2) a single gRNA targeting the Zc3h12a gene; (3) a single gRNA targeting the Map4k1 gene; (4) a single gRNA targeting the Nr4a3 gene; (5) a single gRNA targeting Cblb;
- mice are injected subcutaneously with 0.5 ⁇ 10 6 B16-Ova tumor cells. When tumors reached a volume of approximately 100 mm 3 , mice are randomized into groups of 10 and injected intravenously with edited CD45.1 TILs via tail vein.
- mice can be injected intraperitoneal with cyclophosphamide (200 mg/kg) to induce lymphodepletion prior to T cell transfer and the edited-TILs can be administered intravenously in combination with intraperitoneal treatment with recombinant human IL-2 (720,000 IU/Kg) twice daily for up to a maximum of 4 days.
- Tumor volume is calculated as mean and standard error of the mean for each treatment group and the % TGI is calculated according to the following formula:
- the engineered T cells described in Table 17 are edited as described in Example 1 to reduce expression of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and/or NR4A3. These edited T cells are then evaluated in subcutaneous murine xenograft models using the indicated cell type.
- T cells engineered with a CD19-specific CAR or artificial TCR can be evaluated as described above in Example 12 in a Raji cell model or any of the other cell lines shown in Table 16, T cells engineered with a MART1-specific CAR or artificial TCR can be evaluated in a SKMEL5, WM2664, or IGR1 cell model, etc.
- mice are injected subcutaneously with 3 ⁇ 10 6 target cells.
- tumors reached a volume of approximately 200 mm 3
- mice are randomized into groups of 5 and injected intravenously with the edited engineered T cells via tail vein.
- the adoptively transferred cells are edited with either a control guide or a guide editing for BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and/or NR4A3.
- Body weight and tumor volume are measured at least twice per week.
- Tumor volume is calculated as mean and standard error of the mean for each treatment group.
- the results of these experiments are expected to show enhanced anti-tumor efficacy of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and/or NR4A3-edited engineered T cells or as compared to a control guide, measured by survival and or reduction in tumor size.
- the engineered T cells described in Table 16 above are generated from human CD8 T cells, and one or more of BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and/or NR4A3 are edited by electroporation using guide RNAs complexed to Cas9 in an RNP format.
- CAR-Ts are co-cultured with the corresponding cell line indicated in Table 18 in vitro at a 1:0, 0.3:1, 1:1, 3:1 and 10:1 ratio. After 24 hours, total cell counts of engineered T cells are determined, and supernatants saved for cytokine analyses. The results of these experiments are expected to show enhanced accumulation of and increased levels of cytokine production from edited CAR T cells compared to control edited cells.
- TILs are manufactured following established protocols used previously in FDA-approved clinical trials for the isolation and expansion of TIL's. Following removal of tumor tissue, the tumor is both fragmented into 2 mm 3 pieces and mechanically/enzymatically homogenized and cultured in 6,000 IU/mL recombinant human IL-2 for up to 6 weeks or until the cell numbers reach or exceed 1 ⁇ 10 8 ; this is defined as the pre-rapid expansion phase (pre-REP) of TIL manufacturing.
- pre-REP pre-rapid expansion phase
- TILs are electroporated with gRNA/Cas9 RNP complexes targeting BCL2L11, FLI1, CALM2, DHODH, UMPS, RBM39, SEMA7A, CHIC2, PCBP1, PBRM1, WDR6, E2F8, SERPINA3, GNAS, ZC3H12A, MAP4K1, and/or NR4A3 genes under cGMP conditions.
- Cells may be also electroporated prior to or during the pre-REP process. Following electroporation, 50 ⁇ 10 6 cells are transferred into a 1 L G-RexTM culture flask with a 1:100 ratio of TIL:irradiated feeder cells for approximately 2 weeks. This portion of manufacturing is defined as the rapid expansion phase (REP). After the REP phase, TIL's are harvested, washed, and suspended in a solution for immediate infusion into the patient.
- REP rapid expansion phase
- Phase 1, open-label, single-center studies will be performed, in which metastatic melanoma patients who are relapsed or refractory to anti PD-1 therapy will be treated with the modified cells described herein. Patients will receive a single infusion of cells and will remain on study until they experience progressive disease or therapy intolerance. Radiological PD will be determined by a local radiologist before discontinuation of study participation.
- the primary objectives of the study are (1) to determine the maximum tolerated dose (MTD), dose limiting toxicities (DLTs), and dose of cell compositions (and the associated concomitant medications required) recommended for future studies for patients with advanced solid tumors; and (2) to observe patients for any evidence of anti-cancer activity of the transferred edited cells.
- the secondary objectives of the study are: (1) to determine the pharmacokinetics of the cellular compositions; (2) to assess of on-target activity of the cellular compositions, as determined by changes in pharmacodynamic biomarkers in biologic samples; and (3) to assess of proliferation of the modified cells, as determined by engineered TIL persistence post treatment.
- the exploratory objectives of the study are (1) to correlate any underlying genetic mutation(s) with clinical response.
- AEs Incidence and severity of adverse events (AEs), graded according the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), version 4.3; Clinical laboratory abnormalities; Changes in 12-lead electrocardiogram (ECG) parameters; Objective response rate (ORR), per RECIST v1.1; CNS response (ORR and progression free survival [PFS], per RECIST v1.1, in patients who have active brain metastases).
- ECG electrocardiogram
- the secondary endpoints of this study are: Patient-reported symptoms and health-related quality of life (HRQoL) scores; Time to response; Duration of response; Disease control rate (the percentage of patients with best response of complete response [CR], PR, or SD), per RECIST v1.1; Time on treatment; Immunophenotyping; Persistence, trafficking and function of genetically engineered TIL; Pharmacodynamic biomarker in pre and post-dose samples.
- HRQoL Patient-reported symptoms and health-related quality of life
- Disease control rate the percentage of patients with best response of complete response [CR], PR, or SD), per RECIST v1.1
- Time on treatment Immunophenotyping
- Persistence, trafficking and function of genetically engineered TIL Pharmacodynamic biomarker in pre and post-dose samples.
- the exploratory endpoints of this study are: Assessment of cancer-associated mutations and/or genetic alterations utilizing FoundationOne® Cancer Gene Panel, or comparable alternative, in pre-dose tumor biopsy and/or peripheral blood.
- the first dose of cells administered will not exceed a total dose of 1 ⁇ 10 9 cells. Should the patient experience dose limiting toxicity (DLT), two additional patients will be treated at this dose level. If the first patient completes the DLT monitoring period (21 days) without experiencing a DLT, subsequent patients will be treated at doses not to exceed 1 ⁇ 10 11 TILs.
- DLT dose limiting toxicity
- Tumor response will be determined per RECIST v1.1 by the local radiologist and/or investigator. Tumor assessment will be performed every 6 weeks until disease progression and will continue for patients who have discontinued due to reasons other than disease progression, until disease progression, or to the start of another anticancer therapy. Survival will also be followed for up to 3 years after the last patient enrolled into the study.
- Safety assessments will include physical and laboratory examinations, vital signs, and ECGs. Adverse events will be graded according to the NCI CTCAE v4.03. Adverse event incidence rates, as well as the frequency of occurrence of overall toxicity, categorized by toxicity grades (severity), will be described for each cohort of the study. Listings of laboratory test results will also be generated, and descriptive statistics summarizing the changes in laboratory tests over time will be presented.
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- 2019-03-14 BR BR112020018658-9A patent/BR112020018658A2/pt unknown
- 2019-03-14 US US16/354,102 patent/US20190284553A1/en not_active Abandoned
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2020
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2021
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2022
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- 2022-12-13 US US18/065,464 patent/US20230220380A1/en active Pending
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WO2024077174A1 (en) * | 2022-10-05 | 2024-04-11 | Lyell Immunopharma, Inc. | Methods for culturing nr4a-deficient cells |
CN116893265A (zh) * | 2023-09-08 | 2023-10-17 | 军科正源(北京)药物研究有限责任公司 | 检测pbmc中蛋白磷酸化的方法和试剂盒以及相关应用 |
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US20230220380A1 (en) | 2023-07-13 |
BR112020018658A2 (pt) | 2020-12-29 |
US11111493B2 (en) | 2021-09-07 |
US20210388349A1 (en) | 2021-12-16 |
US20220315921A1 (en) | 2022-10-06 |
US20200181610A1 (en) | 2020-06-11 |
US11421228B2 (en) | 2022-08-23 |
US11608500B2 (en) | 2023-03-21 |
EP3765094A1 (de) | 2021-01-20 |
EP3765094A4 (de) | 2021-12-22 |
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