WO2005067981A1 - 免疫刺激性サイトカインをコードするマイナス鎖rnaウイルスベクターを用いる腫瘍の遺伝子治療 - Google Patents
免疫刺激性サイトカインをコードするマイナス鎖rnaウイルスベクターを用いる腫瘍の遺伝子治療 Download PDFInfo
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Classifications
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- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/52—Cytokines; Lymphokines; Interferons
- C07K14/54—Interleukins [IL]
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- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/04—Immunostimulants
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4748—Tumour specific antigens; Tumour rejection antigen precursors [TRAP], e.g. MAGE
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- A61K2039/51—Medicinal preparations containing antigens or antibodies comprising whole cells, viruses or DNA/RNA
- A61K2039/53—DNA (RNA) vaccination
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- A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
- A61K2039/55511—Organic adjuvants
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- A—HUMAN NECESSITIES
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- A61K38/00—Medicinal preparations containing peptides
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2760/00—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses negative-sense
- C12N2760/00011—Details
- C12N2760/18011—Paramyxoviridae
- C12N2760/18811—Sendai virus
- C12N2760/18832—Use of virus as therapeutic agent, other than vaccine, e.g. as cytolytic agent
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- C—CHEMISTRY; METALLURGY
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- C12N2760/00—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses negative-sense
- C12N2760/00011—Details
- C12N2760/18011—Paramyxoviridae
- C12N2760/18811—Sendai virus
- C12N2760/18841—Use of virus, viral particle or viral elements as a vector
- C12N2760/18843—Use of virus, viral particle or viral elements as a vector viral genome or elements thereof as genetic vector
Definitions
- the present invention relates to gene therapy for tumors using a minus-strand RNA virus vector encoding an immunostimulatory site force-in.
- GBM Glioblastoma multiforme
- Non-Patent Document 1 Shapiro, W.R., Arch.Neurol, 56: 429-432, 1999
- Non-Patent Document 2 Ram, Z. et al., Cancer Res., 53: 83-88, 1993
- Non-Patent Document 3 Sampson, J.H. et al., Proc. Natl. Acad. Sci. USA, 93: 10399-10404, 1996.
- Non-patent document 4 Herrlinger, U. et al., Cancer Gene Ther., 4: 345-352, 1997
- Non-patent document 5 Seleh, M. et al, J. Natl. Cancer Inst., 91: 438-445, 1999
- Non-patent document 6 Giezeman-Smits, KM et al., Cancer Res., 60: 2449-2457 , 2000
- Non-Patent Document 7 Ram, Z. et al., Nat.Med., 3: 1354-1361, 1997
- a minus-strand RNA virus is an envelope virus having a minus-strand RNA (also referred to as a negative-strand RNA) in its genome, has high infectivity, and has a capability of highly expressing a gene carrying the virus in the cytoplasm.
- a negative-strand RNA virus has high infectivity, and has a capability of highly expressing a gene carrying the virus in the cytoplasm.
- advances in genomic manipulation of negative-strand RNA viruses have made it possible to additionally insert non-viral genes, which has enabled the development of a new class of viral vectors for gene transfer approaches (Bitzer, M. et al., J. Gene Med ,. 5: 543-553, 2003).
- Negative-strand RNA viruses have the following risks: (0) the replication virus occurs exclusively in the cytoplasm, so there is no risk of integration into genomic DNA; (ii) the transduction efficiency does not depend on the cell cycle of the target cell; (iii) different viral genomes.
- the present inventors have studied the introduction of cytoforce in gene using a minus-strand RNA virus vector.
- SeV vector carrying the immunostimulatory cytokine gene into tumors and examined its antitumor effects.
- IL-2 interleukin-2
- IC intracerebrally
- the present invention provides a method for treating a tumor using a minus-strand RNA virus vector encoding an immunostimulatory cytopathin, and a method for treating a tumor containing a minus-strand RNA virus vector encoding an immunostimulatory site. More specifically, the present invention relates to the invention described in each claim. It should be noted that the present invention is also an invention having one or more (or all) of the inventions described in the respective claims as well as a desired combination power, particularly, the same independent claim (not included in the invention described in other claims! , An invention relating to one or more (or all) of the inventions described in the paragraph (dependent claim) citing the invention. The invention described in each independent claim also contemplates an invention which has any combination of the dependent claims. That is, the present invention includes the following inventions.
- an antitumor treatment method which comprises the step of administering a minus-strand RNA virus vector encoding an immunostimulatory site force-in or a cell into which the vector has been introduced to a tumor site; [2] a tumor antigen or the antigen Further comprising a step of immunizing with a vector that expresses, the method according to (1),
- an antitumor composition comprising, as an active ingredient, a minus-strand RNA virus vector encoding an immunostimulatory site force-in or a cell into which the vector has been introduced;
- composition of (7) which is an immunostimulatory site force inca interleukin-2;
- a kit for antitumor treatment comprising: (b) a tumor antigen or a vector expressing the antigen
- a minus-strand RNA virus vector efficiently introduces an immunostimulatory cytotoxic gene into a brain tumor
- a minus-strand RNA virus vector encoding an immunostimulatory cytokine is Administration has been shown to be able to exert a significant anti-glioma effect, and in particular to completely eliminate established brain tumors in combination with immunization with tumor antigens.
- sc administration of irradiated whole tumor cell vaccines has shown that secretion of appropriate amounts of immunostimulatory cytokins in glioma tissue can recruit enough cytotoxic T cells to kill established brain tumors.
- the minus-strand RNA virus vector causes substantial expression of the IL-2 protein in glioma tissue, and the local concentration of the IL-2 protein significantly induces immunocompetent cells, resulting in brain tumors. Reached the level required to suppress the growth of spores.
- the method of the present invention is particularly effective against tumors in the brain in the immunoprivileged state. It is an effective treatment.
- FIG. 1 is a diagram showing a schematic genome structure of a Sendai virus vector. Wild-type SeV carrying the lacZ or human IL-2 gene, and both M and F gene deleted SeV vectors are shown. The open reading frame of the lacZ or human IL-2 gene was inserted between the leader (W) and NP genes along with the SeV-specific transcriptional regulatory signal sequence end and start signals.
- FIG. 2 shows X-Gal staining of rat brain tissue (upper panel) and 9L brain tumor (lower panel) grown in the brain for 7 days, to which lacZ-SeV / AMAF was administered in situ.
- X-Gal staining was performed 4, 7, and 14 days after vector administration ( ⁇ 200).
- maximal expression or accumulation of beta-galactosidase was observed 7 days after vector injection, and expression levels persisted up to 14 days.
- FIG. 3 MRI images of all 9L brain tumors treated with i. Administration and irradiation of 9L cells for s. Immunization of hIL2-SeV / ⁇ M ⁇ F (T1-weighted image of frontal surface after Gd-DTPA injection). Tumors highlighted by Gd-DTPA are visualized as white areas. With the combination treatment, in 3 out of 10 rats tested, established brain tumors observed at 3 weeks after tumor cell inoculation were completely eliminated at 4 weeks (Rat # 3, Rat # 5 , Rat # 10).
- FIG. 5 is a diagram showing a Kaplan-Meier survival curve of a rat in which 9 L cells were inoculated with L at day 0 and immunized with vector administration and / or irradiated tumor cells at day 3.
- Untreated control (open circle), treatment with sc immunization only (solid circle), ie administration of lacZ-SeV / AMAF and sc immunization (solid triangle), ie administration of hIL2-SeV / ⁇ F only ( (Open triangles), combination of ie administration of hIL2-SeV / ⁇ F and s. Immunity (solid squares).
- hIL2-SeV / Rats treated with i. AM and s. Immunization of AMAF were shown to survive significantly longer than the other treatment groups (p ⁇ 0.05).
- FIG. 6 is a diagram showing immunohistological analysis of IL-2 expression in 9L brain tumor.
- IL-2 protein is diffusely expressed.
- FIG. 10 is a diagram showing an immunohistochemistry analysis of CD4, CD8, and NK cell antigen expression in rats treated with the combination (C). (200x magnification). Infiltration of CD4 + and CD8 + T cells was more significantly observed in tumors treated with i.e. administration and s.c. immunization of SeV / IL-2 vector than in tumors treated with other treatments.
- the present invention relates to a method for antitumor treatment, which comprises a step of administering a minus-strand RNA virus vector encoding an immunostimulatory site or a cell into which the vector has been introduced to a tumor site.
- a minus-strand RNA virus vector carrying an immunostimulatory site-in gene can induce an immune response against a target (tumor) into which the vector has been introduced, and can significantly suppress tumor growth.
- anti-tumor treatment means suppression of tumor development and / or growth.
- a minus-strand RNA virus vector encoding an immunostimulatory site force-in or a cell into which the vector has been introduced into a tumor tissue, a site where the occurrence of a tumor is concerned, or a tumor site such as a site from which the tumor has been removed.
- an antitumor immune response can be induced at the site of administration, and tumor development (including recurrence) or growth (including metastasis) can be suppressed.
- the introduction of the vector can be performed in vivo or ex vivo.In vivo, the vector is directly injected into the tumor site, and in ex vivo, the vector is introduced into cells outside the body, and the cells are transferred to the tumor site. Injected.
- the tumor site refers to the tumor itself, the site from which the tumor was removed, or its vicinity.
- the vicinity is an area where the immunostimulatory cytokine secreted from the cell into which the vector has been introduced reaches the tumor or its removal site. It is preferably within 5 mm, for example, within 3 mm, within 2 mm, or within 1 mm from the tumor or its removal site.
- Vector One or the vector-transduced cells are dissolved or suspended in a desired carrier (eg, a desired physiological aqueous solution such as culture solution, physiological saline, blood, plasma, serum, body fluid, etc.) and injected directly into or near a tumor. What is necessary is just to implement it.
- a desired carrier eg, a desired physiological aqueous solution such as culture solution, physiological saline, blood, plasma, serum, body fluid, etc.
- ex vivo administration may require a step of selecting a cell into which a gene has been introduced after infection of the cell, whereas a minus-strand RNA virus vector is a special procedure. Better gene delivery can be achieved simply by contacting cells without the need for various drugs, and the efficiency of infection is very high.
- gene delivery via negative-strand RNA viral vectors requires very short exposure to cells (less than 30 minutes). In the clinical setting, these characteristics can simplify the administration operation ex vivo and in vivo, and minimize the adverse effects such as cell damage depending on the operation. It is.
- the MOI multiplicity of infection; the number of infectious viruses per cell
- the MOI is preferably between 1 and 500, more preferably 2 to 300, More preferably, it is 3 to 200, more preferably 5 to 100, and still more preferably 7 to 70.
- a short time is sufficient for contacting the vector with the target cell, for example, 1 minute or more, preferably 3 minutes or more, 5 minutes or more, 10 minutes or more, or 20 minutes or more. It may be about 5 minutes to 30 minutes. Of course, the contact may be carried out for a longer time, for example, for several days or more.
- Cells derived from the patient to be administered Can be used. For example, primary cultured cells of fibroblasts derived from a patient can be suitably used.
- xenogeneic and allogeneic cells can be used (Iwadate, Y. et al., Cancer Res., 61: 8769-8774, 2001). These xenogeneic or allogeneic cells are expected to be eliminated by the host immune response after ex vivo injection. Before or after the introduction of the vector, the cells may be made to lose their division ability by irradiation with UV, X-rays, or gamma rays, and then administered ex vivo to a tumor.
- the immunostimulatory cytoforce that is carried on the vector is a cytoforce that induces the division and / or proliferation of immune cells, and may be a cytoforce that has an antitumor effect.
- cytodynamics include cytokins that also produce T cells, NK cells, monocytes, macrophages, etc., and include cytokins that induce T cell differentiation and / or proliferation. It is.
- the immunostimulatory site force in gene can be isolated by, for example, PCR amplification of T cell-derived cDNA or the like based on primers designed based on the gene sequence. Site force-in which exhibits an antitumor effect is well known to those skilled in the art, and those site force-in genes can be suitably used in the present invention.
- the immunostimulatory site force-in particularly preferably used in the present invention specifically includes Interleukin-2 (IL-2), which has been shown to induce migration and adhesion of immune system cells. , Interleukin-4 (IL-4),
- Interleukin-12 IL-12
- granulocyte-macrophage colony-stimulating factor IL-12
- granulocyte-macrophage colony-stimulating factor IL-12
- IL-2 cDNA is, for example, Accession number NM.000586 (protein ID NP-000577)
- IL-4 cDNA is, for example, Accession number M13982 (protein ID
- IL-12 (p35 + p40) are, for example, AF180562 (protein ID AAD56385) (p35) and AF180563 (protein ID AAD56386) (p40), GM-CSF is, for example, M11220 ( protein ID AAA52578), and A14305 (protein ID CAA01150) and IL-23 (pl9 + p40) are, for example, AF301620 (protein ID AAG37232) (pl9) and AF180563 (p40: same as p40 of IL-12), Fas-L Are described, for example, in D38122 (protein ID BAA07320). Therefore, the desired nucleic acid encoding the amino acid sequence of the immunostimulatory site forcein shown above is incorporated into a vector and used in the present invention. be able to.
- IL-2 Iwadate, Y. et al, Cancer Res., 61: 8769-8774 (2001);
- IL-2, IL-4, GM—CSF Sampson, JH et al., Proc. Natl. Acad. Sci. USA 93, 10399-10404 (1996);
- GM— CSF Herrlinger, U. et al., Cancer Gene Ther. 4, 345—352 (1997);
- IL-4 Seleh, M. et. al., J. Natl. Cancer Inst. 91, 438-445, (1999);
- IL-23 has been shown to be strongly involved in the migration of immune system cells in autoimmune diseases of the brain (Becher B. et al., J Clin Invest. 112 (8), 1186-91 (2000) )). Also, it has been shown that Fas-L has an effect as a chemoattractant (Silvestris F et al., Br J Haematol. 122 (1) 39-52. (2003)).
- Fas-L has an effect as a chemoattractant.
- the cytodynamic gene used in the present invention may be derived from humans or other mammals, for example, primates such as mice, rats, rabbits, pigs, and monkeys.
- the cytoforce includes a natural cytoforce as long as the biological activity is maintained.
- the biological activity of cytodynamic activity can be measured by a known cytodynamic activity assay. Alternatively, it can be measured by the tumor inhibition Atssey method described herein.
- Genes encoding these noriants that have a biological activity equivalent to that of natural cytokins can be administered to tumors via a minus-strand RNA virus vector in accordance with the method of the present invention, to reduce tumor growth. It is expected to show the same anti-tumor effect as natural site force-in.
- a natural site power in Fragments analogs, derivatives, and fusion proteins with other polypeptides (for example, cytoforce having a heterologous signal peptide, or a polypeptide fused with an antibody fragment) are also included.
- the fragment is a polypeptide containing a part of a natural cytoplasmic in polypeptide, and includes, for example, an N-terminal deletion or a C-terminal deletion.
- Biologically active fragments of cytokins usually comprise more than 70%, preferably more than 80%, more preferably more than 90% of the contiguous region of the native polypeptide (mature form after secretion). Including.
- Amino acid sequence variants can be prepared, for example, by introducing a mutation into DNA encoding a natural polypeptide (Walker and Gaastra, eds. (1983)
- the number of amino acids to be modified is not particularly limited! /, For example, within 30%, preferably within 25%, more preferably within 20%, more preferably within 15% of all amino acids of the naturally occurring mature polypeptide. It is within 10%, more preferably within 10%, for example, within 15 amino acids, preferably within 10 amino acids, more preferably within 8 amino acids, more preferably within 5 amino acids, and more preferably within 3 amino acids.
- amino acids When amino acids are substituted, it is expected that the activity of the protein will be maintained by substituting amino acids with similar side chains. Such substitutions are referred to as conservative substitutions in the present invention.
- Conservative substitutions include, for example, basic amino acids (eg, lysine, arginine, histidine), acidic amino acids (eg, aspartic acid, glutamic acid), uncharged polar amino acids.
- Amino acids eg, glycine, asparagine, glutamine, serine, threonine, tyrosine, cystine
- non-polar amino acids eg, alanine, parin, leucine, isoleucine, proline, ferulanine, methionine, tryptophan
- ⁇ -branched amino acids eg, Substitutions between amino acids in each group, such as threonine, valin, isoleucine
- aromatic amino acids eg, tyrosine, phenylalanine, tryptophan, histidine
- Examples of the cytoforce invariant include polypeptides containing an amino acid sequence exhibiting high homology with the amino acid sequence of a native polypeptide.
- a high homology for example, 70% or more, more preferably 75% or more, more preferably 80% or more, more preferably 85% or more, more preferably 90% or more, more preferably 93% or more, more preferably
- An amino acid sequence having an identity of 95% or more, more preferably 96% or more may be mentioned.
- Amino acid sequence identity can be determined, for example, using the BLASTP program (Altschul, SF et al., 1990, J. Mol. Biol. 215: 403-410).
- Gaps are treated in the same way as mismatches, for example, calculating the identity value of the native cytosolic force (mature form after secretion) to the entire amino acid sequence. Specifically, the ratio of the number of identical amino acids to the total number of amino acids in the natural site force-in (mature form) is calculated.
- a preferred noriant is a polypeptide encoded by a nucleic acid that hybridizes under stringent conditions with a part or the whole of the coding region of the natural cytokin gene.
- a polypeptide having a biological activity equivalent to that of the natural type cytokin is included.
- a probe is prepared from either a nucleic acid containing the sequence of the coding region of the natural cytodynamic gene or its complementary sequence, or a nucleic acid to be hybridized, and Can be identified by detecting whether the nucleic acid hybridizes to the other nucleic acid.
- Stringent hybridization conditions include, for example, 5xSSC, 7% (W / V) SDS, 100 micro-g / ml denatured salmon sperm DNA, 5x Denhardt's solution (lx Denhardt's solution is 0.2% polyvinylpyrrolidone, In a solution containing 0.2% bovine serum albumin and 0.2% ficoll) at 60 ° C, preferably 65 ° C, more preferably 68 ° C, followed by hybridization.
- the conditions are such that washing is performed at a temperature in 2xSSC, preferably in lxSSC, more preferably in 0.5xSSC, more preferably in O.lxSSC for 2 hours while shaking.
- the site force in used most preferably is interleukin (IL) -2.
- IL-2 functions as a ligand for the IL-2 receptor (IL-2 receptor alpha, beta, and gamma) and is a site force regulator that regulates T cell proliferation and sorting (Kuziel, WA and Gree, W. Shi. (1991), Interleukm-2, in The Cytokine Handbook, A. Thompson (Ed.), San Diego, Calif., Academic Press, pages 83-102; Waldmann, TA, 1993, Immunol. Today, 14 : 264).
- IL-2 is produced primarily by CD4 + T cells and functions as an autocrine growth factor.
- IL-2 also acts on other T lymphocytes, including both CD4 + and CD8 + cells.
- IL-2 also induces a local inflammatory response that leads to activation of both helper and cytotoxic subsets of T cells.
- IL-2 also stimulates natural killer (NK) cell proliferation and activity.
- Tumor cells modified to express IL-2 stimulate an immune response to the tumor and suppress tumor growth.
- SEQ ID NO: 1 shows the nucleotide sequence of the HL-2 (mature) cDNA
- SEQ ID NO: 2 shows the amino acid sequence of IL-2.
- a gene encoding the amino acid sequence of SEQ ID NO: 2 can be suitably used.
- Noriants of IL-2 are known to those skilled in the art.
- Noriants of IL-2 that can be used in the present invention include, for example, European Patent Applications 136,489, 91,539, 88,195, 109,748, U.S. Patents 4,518,584, 4,588,584, 4,752,585, 4,931,543, 5,206,344, International Patent Application WO 99/60128, JP-A-61-78799, and Wang, et al. Science (1984) 224: 1431-1433.
- an IL-2 fragment deficient in the N-terminal Ala a fragment deficient in 4 amino acids (Japanese Patent Application Laid-Open No.
- a desired noriant that retains the biological activity of IL_2 may be used.
- the biological activity of IL-2 can be known, for example, by testing the ability to stimulate the proliferation of IL-2-dependent cytotoxic T cells or helper T cells by a known method (Gillis et al., J. Immunol. (1978) 120: 2027-2032; Watson, J “J. exp. Med. (1979) 1570: 1510-1519).
- the minus-strand RNA virus is a virus containing a minus-strand (antisense strand to a sense strand encoding a Vinoles protein) RNA as a genome.
- Negative strand RNA is also referred to as negative strand RNA.
- the minus-strand RNA virus used in particular includes a single-strand minus-strand RNA virus (also referred to as a non-segmented minus-strand RNA virus).
- Single-stranded negative-strand RNA virus refers to a virus that has single-stranded negative-strand [ie, negative-strand] RNA in its genome.
- viruses include Paramyxovindae (including Paramyxovindae; Paramyxovirus, Morbillivirus, Rubulavirus, and Pneumovirus panyu), and Rhubadvirinoe (Rhabdoviridae; Vesiculovirus, Lyssavirus, and
- Ephemerovirus etc. filovirus
- filovirus Filoviridae
- orthomyxovirus Orthomyxoviridae; Iniuluenza virus A, B, and Thogoto—like viruses etc.
- bunyavirus Bunyavindae; Bunyavirus, Hantavirus, Nairo virus, and
- Phlebovirus genus and viruses belonging to families such as arenavirus (Arenaviridae).
- a minus-strand RNA virus vector is based on a minus-strand RNA virus.
- a carrier for introducing a gene into cells As used herein, the term “infectivity” refers to the ability of a minus-strand RNA virus vector to maintain the ability to adhere to cells and to introduce a gene contained in the vector into the adhered cells.
- the minus-strand RNA virus vector of the present invention may be a transmissible or non-transmissible defective vector. "Transmissible" means that when a viral vector infects a host cell, the virus replicates in the cell and produces infectious viral particles.
- the recombinant virus refers to a virus produced through a recombinant polynucleotide, or an amplification product of the virus.
- a recombinant polynucleotide is a polynucleotide that is not linked at both or one end in the same manner as in its natural state.
- the recombinant polynucleotide is a polynucleotide in which the binding of a polynucleotide chain is artificially modified (cut and / or bound).
- the recombinant polynucleotide can be produced by a known gene recombination method by combining polynucleotide synthesis, nuclease treatment, ligase treatment and the like.
- Recombinant viruses can be produced by expressing a polynucleotide encoding a viral genome constructed by genetic engineering and reconstructing the virus. For example, a method for reconstituting a virus from cDNA encoding a viral genome is known (Y. Nagai, A. Kato, Microbiol. Immunol, 43, 613-624 (1999)).
- a gene refers to genetic material and refers to a nucleic acid encoding a transcription unit.
- the gene may be RNA or DNA!
- a nucleic acid encoding a protein is referred to as a gene of the protein.
- the gene may not encode a protein.
- the gene may encode a functional RNA such as ribozyme or antisense RNA.
- a gene may be a naturally occurring or artificially designed sequence.
- “DNA” includes single-stranded DNA and double-stranded DNA.
- encoding a protein means that the polynucleotide contains an ORF encoding the amino acid sequence of the protein in sense or antisense so that the polynucleotide can express the protein under appropriate conditions.
- the minus-strand RNA virus preferably used in the present invention! Sendai virus of Paramyxoviridae virus (Sendai virus), New katsusunore f heinoiresu (Newcastle disease virus entering 7 kofuku; ⁇ ze 1 / Innores (Mumps virus) ⁇ goninoinoin (Measles virus) ⁇ RS Winnores (Respiratory syncytial virus) ⁇ Cattle cast, Innores (rinderpest virus) ⁇ Distenno-Winenores (distemper virus) ⁇ Sanoreno ⁇ Rhein fenoreenvirils (SV5), Human parainfluenza virus 1,2,3, Orthomyxoviridae
- Phocine distemper virus (PDV) canine distemper virus (CDV), dolphin molbillivirus (DMV), peste—des—petits— ruminants virus (PDPR), measles virus (MV), rinderpest virus (RPV), Hendra virus (Hendra) , Nipah virus (Nipah), human parainfluenza virus-2 (HPIV-2), simian parainfluenza virus 5 (SV5), human parainfluenza virus-4a (HPIV-4a), human parainfluenza virus-4b (HPIV-4b), mumps virus (Mumps), and Newcastle disease virus (NDV).
- Sendai virus SeV
- HPIV-1 human parainfluenza virus-1
- HPIV-3 human parainfluenza virus-3
- PDV Ph
- Sendai virus SeV
- human parainfluenza virus-1 HPIV-1
- human parainfluenza virus-3 HPIV-3
- phocine distemper virus PDV
- canine distemper virus CDV
- dolphin molbillivirus DMV
- Peste-des-petits- ruminants virus PDPR
- measles virus MV
- rinderpest virus RSV
- Hendra virus Hendra
- Nipah virus Nipah virus
- viruses belonging to the paramyxovirus subfamily including the genus Respirovirus, Rubravirus, and Morbillivirus
- Respirovirus also called Paramyxovirus
- Derivatives include viruses in which the virus gene has been modified so as not to impair the gene transfer ability by the virus, and viruses in which the gene has been chemically modified.
- examples of the respirovirus belonging to the genus of the present invention include human parainfluenza virus type 1 (HPIV-1) and human parainfluenza virus.
- Virus type 3 HPIV-3
- BPIV-3 ⁇ parainfluenza virus type 3
- Sendai virus Sendai virus; also called mouse parainfluenza virus type 1
- SPIV- 10 salparainfluenza virus type 10
- paramyxovirus is most preferably a Sendai virus. These viruses may be derived from natural strains, wild strains, mutant strains, laboratory passages, artificially constructed strains, and the like.
- the minus-strand RNA virus vector encodes a gene carried on the viral genomic RNA in an antisense manner.
- Virus genomic RNA is a protein that forms ribonucleoprotein (RNP) together with the viral protein of minus-strand RNA virus, which expresses a gene in the genome and replicates this RNA to form a daughter RNP.
- RNP ribonucleoprotein
- RNA RNA.
- the genome of a negative-strand RNA virus has a structure in which a viral gene is arranged as an antisense sequence between a 3 'leader region and a 5' trailer region.
- the genomic RNA contained in the virus of the present invention includes N (nucleocapsid) and P (phospho), which are viral proteins required for the expression of a group of genes encoded by the RNA and the autonomous replication of the RNA itself. , And L (Large) encode antisense.
- the genomic RNA may or may not encode an M (matrix) protein required for virus particle formation. Further, the RNA may or may not encode an envelope protein required for viral particle infection.
- the envelope protein of the minus-strand RNA virus examples include F (fusion) protein, which is a protein that causes cell membrane fusion, and HN (hemadaltune-neuraminidase) protein, which is required for adhesion to cells.
- F fusion
- HN hemadaltune-neuraminidase
- HN protein is not required for infection (Markwell, MA et al., Proc. Natil. Acad. Sci. USA 82 (4): 978-982 (1985)), and infection is possible only with F protein.
- it may encode a viral envelope protein other than the F protein and the Z or HN protein. In this way, the genomic RNA may be appropriately modified from the natural viral genome! / ⁇ (WO00 / 70055, WO00 / 70070).
- the minus-strand RNA virus of the present invention may be, for example, a complex consisting of genomic RNA of minus-strand RNA virus and a viral protein, ie, ribonucleoprotein (RNP).
- RNPs can be introduced into cells, for example, in combination with the desired transfection reagent.
- Such RNP is specifically a complex containing, for example, genomic RNA of a minus-strand RNA virus, N protein, P protein, and L protein.
- the viral proteins act to transcribe cystrons encoding the viral proteins from genomic RNA, and at the same time, replicate the genome itself to form daughter RNPs. Replication of genomic RNA can be confirmed by detecting an increase in the copy number of the RNA by RT-PCR, Northern hybridization, or the like.
- the minus-strand RNA virus of the present invention is preferably an infectious virus particle of the minus-strand RNA virus.
- Virus particles are microparticles containing nucleic acids that release cellular power through the action of viral proteins. Infectivity refers to the ability of a minus-strand RNA virus to transfer nucleic acid from the virus into the adhered cells due to its ability to adhere to cells and fuse membranes.
- the negative-strand RNA virus has a structure in which the above RNPs containing genomic RNA and viral proteins are contained in a lipid membrane derived from the cell membrane (called “envelope”).
- the minus-strand RNA virus of the present invention may be a transmissible or non-transmissible defective virus. The phrase “having transmissibility” means that when a virus infects a host cell, the virus replicates in the cell to produce infectious virus particles.
- each gene in each virus belonging to the subfamily Paramyxovirinae is generally represented as follows.
- the NP gene is also denoted as ⁇ N ⁇ .
- accession number of the database of the nucleotide sequence of each gene of Sendai virus is as follows: M29343, M30202, M30203, M30204, M51331, M55565, M69046, X17218 for the NP gene, and M30202, M30203, for the P gene.
- viruses See D00053, M30202, M30203, M30204, M69040, X00587, X58886.
- viral genes encoded by other viruses include the N gene! CDV, AF014953; DMV, X75961; HPIV-1, D01070; HPIV-2, M55320; HPIV-3, D10025 ; Mapuera, X85128; Mumps, D86172; MV, K01711; NDV, AF064091;
- PDPR X74443; PDV, X75717; RPV, X68311; SeV, X00087; SV5, M81442; and for the Tupaia, AF079780, P gene, CDV, X51869; DMV, Z47758; HPIV-1, M74081; HPIV—3, X04721; HPIV— 4a, M55975; HPIV— 4b, M55976; Mumps,
- the ORFs encoding these viral proteins and the ORF of the foreign gene are placed in genomic RNA in an antisense manner via the EIS sequence described above.
- the ORF closest to the 3 'to the genomic RNA requires only the S sequence between the 3' leader region and the ORF. No I and I sequences are required.
- the ORF closest to 5 ′ requires only the E sequence between the 5 ′ trailer region and the ORF, and does not require the I and S sequences.
- the two ORFs can also be transcribed as the same cistron using a sequence such as IRES. In such cases, there is no need for an E-to-S sequence between these two ORFs.
- RNA genome has a 3 'leader region followed by six ORFs encoding N, P, M, F, HN, and L proteins in antisense order.
- ORFs encoding the N, P, M, F, HN, and L proteins in antisense order.
- the arrangement of the viral genes is not limited to this, but it is preferable that the N, P, M, F, HN , And the ORFs encoding the L proteins are preferably arranged in order, followed by a 5 ′ trailer region.
- the power of different viral genes Even in such a case, it is preferable to arrange the respective viral genes in the same manner as in the wild type as described above.
- vectors carrying the N, P, and L genes autonomously express genes from the RNA genome in cells, and genomic RNA is replicated.
- the functions of the genes encoding the envelope proteins such as the F and HN genes and the M gene form infectious virus particles that are released outside the cells. Therefore, such a vector is a virus vector having a transmitting ability.
- the site-in gene to be carried on the vector may be inserted into a non-coding region of the protein in the genome as described later.
- the minus-strand RNA virus of the present invention may be one deficient in any of the genes of the wild-type virus.
- a viral vector in which the M, F, or HN gene, or a combination thereof, is inactivated or deleted can also be suitably used in the present invention.
- virus reconstitution can be performed, for example, by externally supplying a defective gene product.
- the virus produced in this manner has the same ability to adhere to host cells and cause cell fusion as the wild-type virus. No powerful daughter virus particles are formed. For this reason, it is useful as a safe virus vector having a one-time gene transfer capability.
- Genes that also disrupt genomic power include, for example, the F gene, the HN gene, the M gene, or any combination thereof.
- Example transfection of a plasmid expressing the recombinant minus-strand RNA virus genome lacking the F gene into host cells together with an expression vector for the F protein and expression vectors for the NP, P, and L proteins allows the recombinant virus to be expressed. Reconstitution can be performed (WO00 / 70055, WO00 / 70070, WO03 / 025570; Li, H.-0. Et al., J. Virol. 74 (14) 6564-6569 (2000)). Also, for example, a virus can be produced using a host cell in which the F gene has been integrated into a chromosome.
- a group of these proteins expressed in virus-producing cells may have mutations, if their amino acid sequence is not the same as the sequence derived from the virus, if the activity in introducing the nucleic acid is equal to or higher than that of the natural type.
- a homologous gene from another virus may be used instead.
- a recombinant virus containing a protein different from the envelope protein of the virus from which the virus genome is derived can be produced.
- a recombinant virus having a desired envelope protein can be produced by expressing in a cell an envelope protein other than the envelope protein originally encoded by the genome of the base virus.
- envelope proteins of other viruses for example, G protein (VSV-G) of vesicular stomatitis virus (VSV) can be mentioned.
- the VSV-G protein may be from any VSV strain.
- VSV-G protein derived from Indiana serotype strain (J. Virology 39: 519-528 (1981)) can be used, but is not limited thereto.
- the vector of the present invention can contain any combination of envelope proteins derived from other viruses.
- an envelope protein derived from a virus that infects human cells is suitable as such a protein.
- Such a protein is not particularly limited, and examples thereof include a retrovirus amphoteric picken envelope protein.
- the retrovirus amphiphotic pick envelope protein for example, an envelope protein derived from mouse leukemia virus (MuLV) 4070A strain can be used.
- an envelope protein derived from MuMLV 10A1 can also be used (for example, pCL-10Al (Imgenex) (Naviaux, RK et al, J. Virol. 70: 5701-5705 (1996))).
- proteins include simple virus gB, gD, gH, gp85 protein, EB virus gp350, gp220 protein and the like.
- Hepadnavirus family proteins include the S protein of hepatitis B virus. These proteins may be used as fusion proteins in which the extracellular domain is linked to the intracellular domain of the F protein or HN protein.
- the virus vector used in the present invention includes pseudotyped virus vectors containing an envelope protein derived from a virus other than the virus from which the genome is derived, such as the VSV-G protein. If the viral genomic RNA is designed so that these envelope proteins are not encoded in the genome, the viral vector will not be expressed after viral particles infect cells.
- the viral vector used in the present invention may be, for example, a protein such as an adhesion factor, a ligand, a receptor or the like capable of adhering to a specific cell on the envelope surface, an antibody or a fragment thereof, or a cell comprising such a cell. It may contain a chimeric protein or the like having a polypeptide derived from a virus envelope in an intracellular region, which is contained in an outer region. This can control the specificity of the viral vector's infection. These may be encoded in the viral genome, or may be supplied by expression of a gene other than the viral genome (eg, another expression vector or a gene on the host chromosome) at the time of virus reconstitution.
- a protein such as an adhesion factor, a ligand, a receptor or the like capable of adhering to a specific cell on the envelope surface, an antibody or a fragment thereof, or a cell comprising such a cell. It may contain a chimeric protein or the like having a polypeptide
- a viral vector may be obtained by modifying any viral gene contained in a virus, for example, to reduce the immunogenicity of a viral protein or to increase the efficiency of transcription or replication of RNA. May have been. Specifically, for example, it is conceivable to modify at least one of the N, P, and L genes that are replication factors to enhance the function of transcription or replication. HN protein, one of the envelope proteins, has both hemagglutinin activity and neuraminidase activity, which are hemagglutinins. For example, if the former activity can be reduced, blood It will be possible to improve the stability of the virus in it, and it is also possible to modulate infectivity, for example by modifying the activity of the latter.
- the membrane fusion ability can be regulated by modifying the F protein.
- analysis of antigen-presenting epitopes of F protein and / or HN protein that can be antigen molecules on the cell surface, etc. This can be used to produce a recombinant virus vector with reduced antigen-presenting ability for these proteins.
- the minus-strand RNA virus vector may have an accessory gene deficient. For example, knocking out the V gene, one of the accessory genes for SeV, significantly reduces the virulence of SeV to hosts such as mice without impairing gene expression and replication in cultured cells (Kato, A. et al., 1997, J. Virol.
- Attenuated vectors are particularly useful as viral vectors for low-toxic gene transfer in vivo or ex vivo.
- Negative-strand RNA viruses are excellent gene transfer vectors, transcribe and replicate only in the cytoplasm of the host cell, and have no DNA phase, so they do not integrate into the chromosome.
- RNA viral vectors represent a new class of high efficiency vectors for human anti-tumor gene therapy.
- a transmissible SeV vector can introduce a foreign gene up to at least 4 kb, and can simultaneously express two or more genes by adding a transcription unit.
- Sendai virus is not pathogenic to rodents, which are pathogenic to rodents and known to cause pneumonia. This is also due to previous reports that nasal administration of wild-type Sendai virus did not show serious adverse effects in non-human primates. Thus, it is supported (Hurwitz, JL et al., Vaccine 15: 533-540, 1997; Bitzer, M. et al., J. Gene Med, .5: 543-553, 2003). These characteristics of Sendai virus suggest that Sendai virus vector is applicable to human therapy and conclude that Sendai virus vector is one of the promising options for gene therapy for human cancer. is there.
- a viral vector encodes a cytodynamic gene in genomic RNA.
- the recombinant virus vector containing the cytodynamic gene can be obtained by inserting the cytodynamic gene into the genome of the virus vector.
- the insertion site of the site-in gene can be selected, for example, at a desired site in the protein noncoding region of the viral genome, for example, between the 3 'leader region of the genomic RNA and the viral protein ORF closest to the 3' end. Between the viral protein ORF and / or between the viral protein ORF closest to the 5 'end and the 5' trailer region.
- a nucleic acid encoding a cytodynamic gene can be inserted into the deleted region.
- the polynucleotide be inserted into the genome so that the length of the polynucleotide is a multiple of 6 (Journal of Virology, Vol. 67, No. 8). , 4822-4830, 1993).
- An EIS sequence is constructed between the inserted cytoin gene and the viral ORF. Two or more foreign genes can be inserted in tandem via the E-I-S sequence.
- the expression level of a foreign gene carried on a vector can be regulated by the type of transcription initiation sequence added upstream of the gene (3 'side of the negative strand (negative strand)) (WO01 / 18223) o
- the expression level can be controlled by the insertion position of the foreign gene on the genome, and the expression level increases as the insertion position is closer to the 3 ′ of the minus strand, and the expression level decreases as the insertion position is closer to the 5 ′.
- the insertion position of the foreign gene can be appropriately adjusted in order to obtain a desired expression level of the gene and to optimize the combination with the gene encoding the preceding and succeeding viral proteins. In general, it is considered advantageous to obtain high expression of a foreign gene.
- the foreign gene be linked to a highly efficient transcription initiation sequence and inserted near the 3 ′ end of the minus strand genome. Specifically, it is inserted between the 3 'leader region and the viral protein ORF closest to 3'. Or the ui closest to 3 ' It may be inserted between the ORF of the virus protein gene and the second viral protein gene or between the 3 'to the second and third viral protein genes.
- the viral protein gene closest to the 3 'of the genome is the N gene
- the second gene is the P gene
- the third gene is the M gene.
- the insertion position of the foreign gene should be set as close to the 5 ′ side of the minus-strand genome as possible, or the transcription initiation sequence should be less efficient, for example. It is also possible to obtain an appropriate effect by keeping the expression level of the vector force low.
- sequences are represented by the DNA sequences encoding the plus strand, 5 -AGGGTCAAAG-3 '(SEQ ID NO: 7), 5'-AGGGTGAATG-3' (SEQ ID NO: 8), and 5'-AGGGTGAAAG, respectively. -3 '(SEQ ID NO: 9).
- E sequence of the Sendai virus vector for example, 3′-AUUCUUUU-5 ′ (SEQ ID NO: 10) (5′-TAAGAAAAA-3 ′ (SEQ ID NO: 11) for DNA encoding a plus strand) is preferable.
- the I sequence may be, for example, any three bases, and specifically, 3′-GAA-5 ′ (5′-CTT-3, for plus-strand DNA) may be used.
- RNA of minus-strand RNA virus ie, N, P, and L proteins.
- the virus can reconstitute the viral RNP. it can.
- the plus strand is preferably generated.
- RNA ends should reflect the ends of the 3 'leader sequence and the 5' trailer sequence as accurately as the natural viral genome. Is preferred.
- a T7 RNA polymerase recognition sequence may be used as a transcription initiation site, and the RNA polymerase may be expressed in cells.
- a self-cleaving ribozyme can be encoded at the 3 ′ end of the transcript so that the ribozyme can cut out the 3 ′ end accurately (Hasan , MK et al., J. Gen. Virol. 78: 2813-2820, 1997, Kato, A.
- ribozyme a self-cleaving ribozyme derived from the antigenomic strand of hepatitis delta virus can be used.
- DNA samples should preferably be electrophoretically identified as a single plasmid at concentrations of 25 ng / micro-l or higher.
- a case where a foreign gene is inserted into DNA encoding viral genomic RNA using a Notl site will be described as an example.
- the base sequence is modified by using a site-directed mutagenesis method so that the encoded amino acid sequence is not changed, and the Notl site is changed. It is preferable to remove them in advance. From this sample, the target gene fragment is amplified by PCR and collected.
- both ends of the amplified fragment are made Notl sites.
- the length of the synthetic DNA is designed so that the length of the final insert fragment containing the added E-to-S sequence is a multiple of 6 (the so-called “rule of six”). Kolakofski, D. et al., J. Virol. 72: 891-899, 1998; Calain, P. and Roux, L., J. Virol. 67: 4822-4830, 1993; Calain, P.
- the E-to S sequence is, for example, the S sequence, the I sequence, and the E sequence of the Sendai virus minus strand, for example, 5'-CTTTCACCCT-3 '(SEQ ID NO: 12), 5'-AAG-3 ', and 5'-TTTTTCTCTACTACGG-3' (SEQ ID NO: 13) are used
- PCR For PCR, an ordinary method using Taq polymerase or another DNA polymerase can be used.
- the amplified target fragment is digested with Notl and inserted into the Notl site of a plasmid vector such as pBluescript. Confirm the nucleotide sequence of the obtained PCR product with a sequencer and select a plasmid with the correct sequence.
- the insert is excised from this plasmid with Notl and cloned into the Notl site of the plasmid containing the genomic cDNA. It is also possible to obtain a recombinant Sendai virus cDNA by inserting it directly into the Notl site of the genomic cDNA without using a plasmid vector.
- a recombinant Sendai virus genomic cDNA can be constructed according to the method described in the literature (Yu, D. et al "Genes Cells 2: 457-466, 1997; Hasan, MK et al”). J. Gen. Virol. 78: 2813-2820, 1997).
- a double-stranded DNA in which an EIS sequence is linked to the 3 ′ side of the sense strand of a foreign gene is synthesized. This is inserted just 3 'to the desired S sequence of the cDNA encoding the positive strand of the genome.
- a restriction enzyme site for example, a Notl site
- Encoding DNA can be inserted using a restriction enzyme site (Tokusumi, T. et al. (2002) Virus Res 86 (1-2), 33-8).
- the DNA encoding the viral genomic RNA prepared in this manner is transcribed in a cell in the presence of the above-mentioned viral proteins (L, P, and N) to reconstitute the viral vector.
- Reconstitution of the recombinant virus can be performed using a known method (W097 / 16539; W097 / 16538; WO03 / 025570; Durbin, AP et al., 1997, Virology 235: 323-332; Whelan, SP et Natl. Acad. Sci. USA 92: 8388-8392; Schnell. MJ et al "1994, EMBO J. 13: 4195-4203; Radecke, F.
- RNA viruses including parainfluenza, vesicular stomatitis virus, rabies virus, measles virus, Linda plague virus, and Sendai virus, from DNA. .
- the virus of the present invention can be reconstituted according to these methods. Deletion of the F gene, HN gene, and / or M gene in the DNA encoding the viral genome does not result in the formation of infectious virions until then, but these deficiencies are present in host cells. Infectious virus particles can be formed by introducing and expressing the lost gene and / or the gene encoding the envelope protein of another virus into cells separately (Hirata, T. et al.). ., 2002, J.
- the present invention relates to immunostimulation in the production of antitumor agents.
- the invention relates to the use of negative-strand RNA viral vectors encoding sex-in.
- the present invention relates to the use of a DNA encoding a viral genomic RNA of a minus-strand RNA virus virus encoding an immunostimulatory site force virus or its complementary RNA in the production of an antitumor agent.
- the antitumor agent of the present invention is used as a medicament for preventing and / or treating tumors.
- the specific procedure is as follows: (a) Transcription of DNA encoding negative-strand RNA viral genomic RNA (minus-strand RNA) or its complementary strand (plus-strand) in cells expressing N, P, and L proteins (B) recovering a complex containing the genomic RNA from the cells or a culture supernatant thereof.
- DNA encoding genomic RNA is ligated downstream of a suitable promoter. Transcribed genomic RNA is replicated in the presence of the N, L, and P proteins to form an RNP complex containing these proteins. In the presence of the M, HN, and F proteins, enveloped virions are formed.
- DNA encoding genomic RNA is ligated, for example, downstream of the T7 promoter, and is transcribed into RNA by T7 RNA polymerase.
- T7 RNA polymerase any desired promoter can be used other than one containing a recognition sequence for T7 polymerase.
- RNA transcribed in vitro may be transfused into cells.
- Enzymes such as T7 RNA polymerase required for the initial transcription of genomic RNA from DNA can be supplied by introducing a plasmid or viral vector expressing this.
- the gene can be integrated into a chromosome of a cell so as to induce expression, and supplied by inducing expression at the time of virus reconstitution.
- Genomic RNA and viral proteins required for virus reconstitution are supplied, for example, by introducing a plasmid that expresses them.
- DNA that expresses genomic RNA can be introduced into cells by, for example, the calcium phosphate method (Graham, F. Shi and Van Der Eb, J., 1973, Virology 52: 456; Wigler, M. and
- transfection reagent use DEAE-dextran (Sigma # D-9885 MW 5 x 10 5 ), DOTMA (Roche) Superfect TM (QIAGEN # 301305), DOTAP, DOPE, DOSPER (Roche # 1811169), etc. Power S can.
- the closin can be removed (Calos, MP, 1983, Proc. Natl. Acad. Sci. USA 80: 3015).
- electroporation is highly versatile in that it has no cell selectivity.
- a method using a transfusion reagent is suitable for introducing DNA into cells for vector reconstitution because the procedure is simple and a large number of cells can be used to examine a large number of samples.
- a force using Superfect TM Transfection Reagent (QIAGEN, Cat No. 301305) or DOSPER Liposomal Transfection Reagent (Roche, Cat No. 1811169) is not limited thereto.
- Reconstitution of a virus from cDNA can be specifically performed, for example, as follows.
- FCS fetal calf serum
- antibiotics 100 units / ml penicillin G and 100 micro-g / ml streptomycin
- a monkey kidney-derived cell line LLC-MK2 ATCC CCL-7) was cultured until almost 100% confluent, and expressed T7 RNA polymerase, for example, in the presence of 1 micro-g / ml psoralen (psoralen), inactivated by ultraviolet (UV) irradiation for 20 minutes.
- UV ultraviolet
- the ratio of expression vectors encoding N, P, and L is preferably, for example, 2: 1: 2.
- the amount of plasmid is preferably, for example, 114 micro-g pGEM-N, 0.5-12 micron. — Adjust appropriately with pGEM-P of 1 g and 4 micro-g of pGEM-L.
- the cells subjected to the transfection are, if desired, 100 micro-g / ml of rifampicin (Sigma) and cytosine arabinoside (AraC), more preferably 40 micro-g / ml of cytosine ara pinoside (AraC) (Sigma).
- rifampicin Sigma
- AraC cytosine arabinoside
- Transfection can be introduced into cells by forming a complex with, for example, ribofectamine or polycationic ribosome.
- various transmission reagents can be used. For example, DOTMA (Roche), Superfect TM (QIAGEN # 301305), DOTAP, DOPE, DOSPER (Roche # 1811169) and the like can be mentioned.
- cloquins can be added (Calos, MP, 1983, Proc. Natl. Acad. Sci. USA 80: 3015).
- the process of the expression of the RUS gene and the replication of the RNP proceeds, and the virus is amplified.
- vaccinia virus VTF7-3 can be completely removed. Re-amplification is repeated, for example, three times or more.
- the resulting vector can be stored at -80 ° C.
- envelope gene-deficient viruses can also be amplified by overlaying and culturing LLC-MK2 cells that express the envelope protein on cells that have undergone transfection (International Publication Nos. WO00 / 70055 and WO00 / 70070). reference).
- the titer of the recovered virus can be determined, for example, by measuring CIU (Cell-Infected Unit) or measuring hemagglutination activity (HA) (WOOO / 70070; Kato, A. et al. , 199, Genes Cells 1: 569-579; Yonemitsu, Y. & Kaneda, Y., Hemaggulutinating virus of Japan— liposome— mediated gene delivery to vascular cells. Ed. By Baker AH. Molecular Biology of Vascular Diseases. Molecular Medicine: Humana Press: pp. 295-306, 1999).
- CIU Cell-Infected Unit
- HA hemagglutination activity
- the titer can be quantified by directly counting infected cells using the marker as an index (for example, as GFP-CIU).
- the titer measured in this way can be treated as equivalent to CIU (WOOO / 70070).
- the host cell used for reconstitution is not particularly limited.
- cultured cells such as monkey kidney-derived LLC-MK2 cells and CV-1 cells, hamster kidney-derived BHK cells, and human-derived cells can be used.
- an infectious virus particle containing the protein in the envelope can also be obtained.
- the virus vector obtained from the above-mentioned host ability can be infected into embryonated chicken eggs to amplify the vector.
- Virus vector using chicken eggs One production method has already been developed (Nakanishi et al., Eds.
- Separation and purification of the Sendai virus vector of urinary pulp can be performed according to a conventional method (Masato Tashiro, "Virus Experiment Protocol", Nagai and Ishihama, Medical View, pp.68-73, (1995)) .
- construction and preparation of a Sendai virus vector from which the F gene has been deleted can be performed as follows (see WO00 / 70055 and WO00 / 70070).
- An atypical SeV genomic cDNA (pSeV18 + / AF) is constructed. PCR is performed at the upstream of F [this i [forward: 5— gttgagtactgcaagagc / roster system [J ⁇ : 15, reverse:
- the PCR product using the primer pair of 5'-tgggtgaatgagagaatcagcZ SEQ ID NO: 18] is ligated with EcoT22I.
- the thus obtained plasmid is digested with Sad and Sail, and a fragment (493 lbp) containing the F gene deletion site is recovered and cloned into pUC18 to obtain pUC18 / dFSS.
- This pUC18 / dFSS is digested with Dralll, the fragment is recovered, replaced with the Dralll fragment in the region containing the F gene of pSeV18 +, and ligated to obtain plasmid pSeV18 + / AF.
- the foreign gene is inserted into, for example, the restriction enzymes Nsil and NgoMIV at the F gene deletion site of pUC18 / dFSS.
- a foreign gene fragment may be amplified with Nsil-tailed and NgoMIV-tailed primers! ⁇ .
- ⁇ 2> Preparation of helper cells that induce and express SeV-F protein
- a Cre / loxP-inducible expression plasmid that expresses the Sendai virus F gene (SeV-F)
- a helper cell line expressing SeV-F protein is established.
- the cells for example, monkey kidney-derived cell line LLC-MK2 cells, which are often used for the growth of SeV, can be used. LLC-MK2 cells were incubated at 37 ° C in MEM supplemented with 10% heat-treated immobilized fetal serum (FBS), penicillin G sodium 50 units / ml, and streptomycin 50 micro-g / ml. Incubate with 5% CO. SeV-F remains
- the above plasmid pCALNdLw / F designed to induce the expression of the F gene product by Cre DNA recombinase was used for the calcium phosphate method (.mammalian transfection kit (btratagene)). Gene transfer to LLC-MK2 cells.
- the plasmid into which the foreign gene of pSeV18 + / AF has been inserted is transfected into LLC-MK2 cells as follows. Seed LLC-MK2 cells at 5 ⁇ 10 6 cells / dish in a 100 mm Petri dish. When genomic RNA is transcribed by T7 RNA polymerase, recombinant vaccinia virus expressing T7 RNA polymerase treated with psoralen and long-wave ultraviolet light (365 nm) for 20 minutes after cell culture for 24 hours (
- PLWUV-VacT7 Fuerst, T.R. et al, Proc. Natl. Acad. Sci. USA 83, 8122-8126 (1986)) and infect at about MOI 2 for 1 hour at room temperature.
- UV irradiation of vaccinia virus for example, UV Stratalinker 2400 (catalog number 400676 (100V), Stratagene, La Jolla, CA, USA) equipped with five 15-watt bulbs can be used.
- the plasmids expressing genomic RNA and the expression plasmids expressing N-, P-, L-, F-, and HN-proteins of minus-strand RNA virus, respectively were purified using appropriate lipofection reagents. Transfect the cells.
- the amount ratio of the plasmid is not limited to this, but may be preferably 6: 2: 1: 2: 2: 2 in order.
- plasmids expressing genomic RNA and expression plasmids expressing N, P, L, and F plus HN proteins pGEM / NP, pGEM / P, pGEM / L and pGEM / F-HN;
- WO00 / 70070 Kato, A. et al., Genes Cells 1, 569-579 (1996) were compared with 12 micro-g, 4 micro-g, 2 micro-g, 4 micro-g and 4 micro-gZ, respectively. Remove the transfer ratio of the dish. After culturing for several hours, wash the cells twice with serum-free MEM, and add 40 micro-g / mL of ytosine Deta-D-arabinoluranoside (Ara: Sigma, St. Louis, MO) and 7.5 micro-g / mL. Culture in MEM containing mL of Trypsin (Gibco-BRL, Rockville, MD).
- SeV / AMAF M and F gene deleted SeV
- SeV / AMAF retains high levels of infectivity and gene expression in vitro and in vivo, at levels similar to those of wild-type SeV vectors.
- a viral gene deficient vector for example, when two or more types of different viral genes deficient on the virus genome contained in the vector are introduced into the same cell, the deficiency occurs in each case.
- Viral protein power Because it is supplied by expression from another vector, it forms complementary and infectious virus particles, and the replication cycle goes around to amplify the viral vector. That is, if two or more virus vectors of the present invention are ligated in a combination that complements the viral proteins, a mixture of the respective viral gene-deficient virus vectors can be produced in large quantities at low cost. Since these viruses lack the viral gene, they can retain foreign genes whose genome size is smaller and larger in size than viruses that lack the viral gene. In addition, these viruses, which are not proliferative due to viral gene deficiency, are diluted extracellularly and are difficult to maintain co-infection.
- the virus vector of the present invention is, for example, 1 ⁇ 10 5 CIU / mL or more, preferably 1 ⁇ 10 6 CIU / mL or more, more preferably 5 ⁇ 10 6 CIU / mL or more.
- 10 6 CIU / mL or more more preferably 1 X 10 7 CIU / mL or more, more preferably 5 X 10 7 CIU / mL or more over, more preferably 1 X 10 8 CIU / mL or more, more preferably 5 X 10 It can be released into the extracellular fluid of virus-producing cells at a titer of 8 CIU / mL or more.
- the titer of the virus can be determined by the methods described herein and elsewhere (Kiyotani, K. et al, Virology 177 (1), 65-74 (1990); WO00 / 70070).
- the recovered virus vector can be purified to be substantially pure.
- Purification methods include known methods, including filtration, centrifugation, adsorption, and column purification. Purification can be performed by a separation method or any combination thereof.
- “Substantially pure” means that the components of the virus occupy a major proportion in the solution containing the virus vector.
- a substantially pure virus vector composition has a 10% (by weight) ratio of the protein contained as a component of the virus vector to the total protein contained in the solution (excluding proteins added as carriers or stabilizers). / Weight) or more, preferably 20% or more, more preferably 50% or more, preferably 70% or more, more preferably 80% or more, and still more preferably 90% or more.
- a paramyxovirus vector as a specific purification method, a method using cellulose sulfate or a cross-linked polysaccharide sulfate (JP-B-62-30752, JP-B-62-33879, and JP-B 62-30753), and a method of adsorbing to a sulfated-fucose-containing polysaccharide and / or a decomposition product thereof (WO97 / 32010).
- the vector can be combined with a desired pharmacologically acceptable carrier or vehicle, if necessary.
- a pharmaceutically acceptable carrier or vehicle is a material that can be administered with a vector and does not significantly inhibit gene transfer by the vector. Examples of such a carrier or medium include sterilized water, sodium chloride solution, dextrose solution, dextrose and sodium salt, lactate-containing Ringer's solution, culture solution, serum, and phosphate buffered saline (PBS). It can be considered that these are appropriately combined with a vector to form a pharmaceutical preparation.
- the composition of the present invention may contain a carrier or a medium such as deionized water and dextrose aqueous solution.
- compositions of the present invention may be in the form of aqueous solutions, capsules, suspensions, syrups and the like.
- the composition of the present invention may be in the form of a solution, a lyophilizate, or an aerosol.
- the present invention relates to immunostimulatory
- the present invention relates to an antitumor agent comprising a minus-strand RNA virus vector encoding a kit. Further, the present invention relates to an antitumor agent containing cells into which a minus-strand RNA virus vector encoding an immunostimulatory site force-in has been introduced.
- the composition containing the vector of the present invention and cells into which the vector of the present invention has been introduced are useful as an antitumor drug. Further, the vector composition of the present invention and cells into which the vector of the present invention has been introduced are useful as antitumor vaccines.
- the vector composition and cells may also be supplemented with an immunostimulant such as cytokine, cholera toxin, salmonella toxin, etc., to enhance immunogenicity.
- Vaccines also include adjuvants such as myo-kun, incomplete Freund's adjuvant, MF59 (oil emulsion), MTP-PE (muramyl tripeptide from mycobacterial cell wall), and QS-21 (from soapbark tree Ouilaia saponaria). Can be combined.
- cytotoxic compounds that enhance the adjuvant effect.
- genes include, for example, i) single-chain IL-12 (Proc. Natl. Acad. Sci. USA 96 (15): 8591-8596, 1999); ii) interferon-gamma (US Pat. No. 5,798,100).
- the in vivo dosage of the minus-strand RNA virus vector varies depending on the disease, the patient's body weight, age, gender, symptoms, form of the administration composition, administration method, introduced site gene, and the like. It can be determined appropriately by a trader.
- the administration route can be appropriately selected, and for example, it is injected into the tumor by a syringe or a catheter.
- Vector administered is preferably about 10 5 ClU / ml to about 10 11 CIU / more preferably mU about 10 7 ClU / ml to about 10 9 CIU / ml, and most preferably from about 1 X 10 8 CIU / ml to about It is preferred to administer an amount in the range of 5 ⁇ 10 8 CIU / ml in a pharmaceutically acceptable carrier.
- the dose per dose is 2 x 10 5 CIU—2 x 10 11 CIU is preferred, with a single dose or multiple doses with a range of clinically acceptable side effects being possible. The same applies to the number of administrations.
- the vector is brought into contact with the target cell outside the body (for example, in a test tube or petri dish).
- the MOI is preferably between 2 and 300, more preferably between 2 and 300, even more preferably between 3 and 200, even more preferably between 5 and 100, even more preferably between 7 and 70.
- a minus-strand RNA viral vector encoding an immunostimulatory site force-in or a cell into which the vector has been introduced to a tumor site is preferably combined with immunization with a tumor antigen or a vector expressing the antigen.
- treatment in which the in vivo administration of the vector of the present invention in combination with immunization with a tumor antigen exerts a significantly higher antitumor effect than administration of the vector alone.
- Inoculation of a tumor antigen or a vector expressing the same may be performed simultaneously with, before or after administration of a negative-strand RNA virus vector encoding an immunostimulatory cytodynamic force-in.
- the interval between the administration of the minus-strand RNA virus vector encoding the immunostimulatory cytodynamics and the inoculation of the tumor antigen or a vector expressing the same is, for example, within 7 days, preferably within 6 days, within 5 days, and within 4 days. Within 3 days, or within 2 days, more preferably within 24 hours.
- Antigens used for immunization with tumor antigens include, for example, tumor cells having lost growth ability, lysates of tumor cells, and the like.
- the tumor cells are preferably treated with heat treatment, radiation treatment, mitomycin C treatment or the like to eliminate proliferation. For example, when using X-ray irradiation, irradiation can be performed at a total radiation dose of 700 to 3300 Rad.
- cells can be supplemented with 25-50 micro-g / ml of mitomycin C and incubated at 37 ° C for 30-60 minutes.
- heat treatment can be performed at 50 to 65 ° C. for 20 minutes.
- a tumor antigen expressed in a target tumor cell may be used.
- Tumor antigens may be natural or recombinant polypeptides.
- a vector expressing a tumor antigen may be administered.
- the vector expressing the tumor antigen is not particularly limited.
- a desired expression vector capable of expressing the tumor antigen in the administered individual such as a plasmid, a viral vector, or naked DNA is used.
- Such a vector may contain a nucleic acid in which a nucleic acid encoding a tumor antigen is linked downstream of an appropriate promoter (eg, SV40 promoter, CAG promoter, CMV promoter, EF1 promoter, LTR promoter).
- an appropriate promoter eg, SV40 promoter, CAG promoter, CMV promoter, EF1 promoter, LTR promoter.
- a nucleic acid encoding a tumor antigen is ligated under the control of an expression control sequence suitable for each viral vector.
- the administration of the vector may be performed in vivo or ex vivo.
- Tumor antigens are appropriately selected depending on the cancer to be treated. Examples of tumor antigens include Muc-1 or Muc-1-like mucin tandem repeat peptide (U.S. Pat. No.
- the site of inoculation of the tumor antigen is appropriately selected, and may be performed, for example, percutaneously, intranasally, transbronchially, intramuscularly, intraperitoneally, intravenously, or subcutaneously. It is preferably inoculated subcutaneously.
- inoculation amount is generally 10 5 - 10 9 cells, preferably 10 6 - can be 10 8 cells, more preferably about 10 7 cells.
- kit for anti-tumor treatment comprising a negative-strand RNA vector encoding an immunostimulatory site force-in, and a tumor antigen or a vector expressing the antigen.
- the kit is a package comprising a negative-strand RNA virus vector encoding an immunostimulatory cytoplasm, and a tumor antigen or a vector expressing the antigen.
- the package includes, for example, a container containing the minus-strand RNA viral vector and a container containing a tumor antigen or a vector expressing the antigen.
- Such a package is used for the combination treatments described herein.
- the antitumor treatment method of the present invention can be applied to a desired solid tumor, it is particularly suitable for treating a tumor of a central nervous system tissue (including intra- or parenchymal brain), such as glioma and metastatic tumor.
- Suitable for brain tumors such as brain tumors, medulloblastomas, germinomas, meningiomas, pituitary adenomas, and schwannomas. Particularly preferably, it is applied to the treatment of glioma (Darioma).
- Negative-strand RNA virus vector encoding immunostimulatory cytodynamic force-in is highly effective against brain tumors. Induces significant migration of immunocompetent cells to brain tumor tissue. In addition, by combining with an immunoconjugate of a tumor antigen, brain tumor growth can be suppressed.
- vectors into the central nervous system see also the following literature (Bitzer, M. et al. J. Gene Med.
- the target organism for the antitumor treatment of the present invention includes, without limitation, desired mammals including humans and non-human mammals, and specifically includes humans, mice, rats, dogs, and pigs. , Cats, porcupines, egrets, sheep, goats and monkeys.
- Rat 9L gliosarcoma cells were maintained in Dulbecco's modified Eagle medium containing 10% FCS in a humid atmosphere containing 5% CO. 200 and 240 g (7-8 weeks
- mice were implanted with SeV18 + hIL2 / AMAF or SeV18 + lacZ / ⁇ F in the brain (ie transplantation) and / or sc immunized with irradiated wild-type 9L tumor cells.
- lxlO 7 CIU in 10 micro-1 PBS Were transferred at the same stereotaxic coordinates as above.
- wild-type 9 L cells were irradiated at 30 Gy, and 100 ⁇ l of medium containing lxlO 6 irradiated 9 L cells was inoculated into the lower abdominal (lower abdominal quadrant) (Iwaaate, Y. et al., Ancer Res., 61: 8769-8774, 2001).
- the tumor volume (mm 3 ) was calculated as the sum of Gd-DTPA-enhanced sites obtained by multiplying each MR image area (mm 2 ) by the image thickness.
- Tumor volume estimated by MRI has a linear correlation with actual tumor weight obtained immediately after image analysis (Namba, H. et al, Human Gene Ther., 7: 1847-1852, 1996). Analysis of tumor volume in each group was performed by univariate analysis of variance (One-factor ANOVA).
- Foot pama, degree hemp analysis with paresis and ataxia periophtalmic encrustations surrounding crust formation
- weight loss was less than 1 day Therefore, the day of sacrifice was treated as the day of death, and survival analysis was performed by the log-rank test using the Kaplan-Meier method.
- the cells were stained with 3'-aiamino oenziaine tetrahydrochlonde (bigma, St. Louis, MI).
- the expression of beta-galactosidase was detected by tissue staining of X-Gal.
- SeV / AMAF is non-transmissible and does not cause particle formation of infectious cells, since the F protein is essential for viral infection and the M protein functions in viral assembly and budding (budding).
- the SeV / ⁇ F vector carrying the HL-2 gene (hIL-2-2-SeV / ⁇ F) and the SeV / ⁇ MAF vector carrying the lacZ gene (lacZ-SeV / AMAF) have been described previously. (Inoue, M. et al., J. Virol, 77: 6419-6429, 2003; Inoue, M. et al., Mol. Ther., 5: S174, 2002. Specifically, a Notl-tagged primer pair containing a SeV-specific transcriptional regulatory signal sequence
- Human IL-2 (Accession number: A14844) cDNA was amplified using AAATG GCGCGCCA-3 ′ (SEQ ID NO: 20). The amplified fragment was introduced into the Notl site of the original pSeV18 + / AMAF. In this way, cDNA of hIL-2-SeV / ⁇ F (phIL2-SeV / ⁇ M ⁇ F) was constructed. The lacZ-SeV / ⁇ F cDNA (placZ-SeV / ⁇ M ⁇ F) was similarly constructed using the amplified lacZ fragment (Li, HO et al "J. Virol, 74: 6564-6569, 2000).
- phIL2 -SeV / ⁇ F and placZ-SeV / AMAF were transfected into cells
- the SeV vector was amplified using a packaging cell line expressing both M and F proteins (Inoue, M. et al "J. Virol, 77: 6419-6429, 2003; Inoue, M. et al”). Mol. Ther., 5: SI 74, 2002) The titer of the virus is determined based on the infectivity and the cell infectious unit (CIU) Infection unit). SeV vectors were stored at -80 ° C until use.
- SeV / IL-2 The therapeutic effect of ie administration of SeV / IL-2 (abbreviated as SeV / IL-2) was examined by tumor volume measurement by continuous Gd-weighted MRI (Fig. 3). 3 weeks after inoculation of 9L tumor cells (day 21), the tumor volume of rats treated with hIL2-SeV / ⁇ M ⁇ F ie and s.
- IL-2 protein The expression of IL-2 protein in brain tumors was examined immunohistochemically. It was confirmed that the IL-2 protein was diffused and expressed in the tumor into which the hIL2-SeV / ⁇ F vector had been injected (FIG. 6). In addition, the presence of CD4 + T cells, CD8 + T cells, and NK cells was examined. Marked infiltration of CD4 +, CD8 +, and NK cells was observed in tumors treated with hIL2-SeV / AMAF vector i.e. administration and s.c.immunization (FIG. 7).
- the present invention has provided a new method for treating tumors. Since the method of the present invention can effectively suppress tumor growth by a simple method, it is expected to be widely applied to cancer treatment.
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JP2005517037A JPWO2005067981A1 (ja) | 2004-01-13 | 2005-01-12 | 免疫刺激性サイトカインをコードするマイナス鎖rnaウイルスベクターを用いる腫瘍の遺伝子治療 |
CA002553377A CA2553377A1 (en) | 2004-01-13 | 2005-01-12 | Gene therapy for tumors using minus-strand rna viral vectors encoding immunostimaulatory cytokines |
EP05703477A EP1712243A4 (en) | 2004-01-13 | 2005-01-12 | GENE THERAPY FOR TUMOR USING A NEGATIVE CHAIN RNA VIRAL VECTOR ENCODING AN IMMUNOSTIMULATORY CYTOKINE |
AU2005205441A AU2005205441A1 (en) | 2004-01-13 | 2005-01-12 | Gene therapy for tumor using minus-strand RNA virus vector encoding immunostimulating cytokine |
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JP2013106608A (ja) * | 2011-10-25 | 2013-06-06 | Gifu Univ | 変異狂犬病ウイルス合成・増殖方法、並びに狂犬病ワクチン製剤 |
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WO1997016539A1 (fr) * | 1995-11-01 | 1997-05-09 | Dnavec Research Inc. | Virus sendai recombinant |
US20030166252A1 (en) * | 1999-05-18 | 2003-09-04 | Kaio Kitazato | Paramyxovirus-derived RNP |
JPWO2002031138A1 (ja) * | 2000-10-06 | 2004-02-19 | 株式会社ディナベック研究所 | 骨格筋に外来遺伝子を導入するためのパラミクソウイルスベクター |
JP2002142770A (ja) * | 2000-11-08 | 2002-05-21 | Dnavec Research Inc | 循環系への遺伝子送達用パラミクソウイルスベクター |
JPWO2004038029A1 (ja) * | 2002-10-24 | 2006-02-23 | 株式会社ディナベック研究所 | T細胞に遺伝子を導入する方法 |
AU2004286144A1 (en) * | 2003-11-04 | 2005-05-12 | Dnavec Research Inc. | Method for producing gene transferred dendritic cells |
JP5296983B2 (ja) * | 2004-06-24 | 2013-09-25 | 株式会社ディナベック研究所 | Rnaウイルスが導入された樹状細胞を含む抗癌剤 |
CA2612168A1 (en) * | 2005-06-14 | 2006-12-21 | Dnavec Corporation | Methods for producing antibodies |
US20100167341A1 (en) * | 2006-01-17 | 2010-07-01 | Dnavec Corporation | Novel protein expression system |
JPWO2008136438A1 (ja) * | 2007-04-27 | 2010-07-29 | 国立大学法人九州大学 | 遺伝子治療用ウイルスベクター |
WO2010108908A1 (en) * | 2009-03-24 | 2010-09-30 | Transgene Sa | Biomarker for monitoring patients |
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JPS58157723A (ja) * | 1982-03-15 | 1983-09-19 | Ajinomoto Co Inc | インタ−ロイキン2を含有してなる免疫療法剤 |
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CN1118569C (zh) | 1995-10-31 | 2003-08-20 | 株式会社载体研究所 | 具有自主复制能力的负链rna病毒载体 |
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CA2336472C (en) | 1998-07-03 | 2010-08-31 | Dnavec Research Inc. | Negative-sense rna virus vector for nerve cell |
US6514728B1 (en) * | 1998-11-09 | 2003-02-04 | Nippon Biocaptal Limited | Process for preparation of cytokines using Sendai virus expression system |
JP2000253876A (ja) | 1999-03-08 | 2000-09-19 | Dnavec Research Inc | センダイウイルスベクターを用いたワクチンおよびワクチンタンパク質 |
KR100739938B1 (ko) | 1999-05-18 | 2007-07-16 | 가부시키가이샤 디나벡크 겐큐쇼 | 엔벨로프 유전자 결손 파라믹소과 바이러스 벡터 |
EP1179594B1 (en) | 1999-05-18 | 2008-06-25 | Dnavec Research Inc. | Ribonucleoprotein complex in paramyxovirus |
US20020169306A1 (en) | 1999-05-18 | 2002-11-14 | Kaio Kitazato | Envelope gene-deficient paramyxovirus vector |
US20030166252A1 (en) | 1999-05-18 | 2003-09-04 | Kaio Kitazato | Paramyxovirus-derived RNP |
US20030022376A1 (en) | 1999-05-18 | 2003-01-30 | Kaio Kitazato | Paramyxovirus-derived RNP |
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JPWO2002031138A1 (ja) | 2000-10-06 | 2004-02-19 | 株式会社ディナベック研究所 | 骨格筋に外来遺伝子を導入するためのパラミクソウイルスベクター |
JP2002142770A (ja) | 2000-11-08 | 2002-05-21 | Dnavec Research Inc | 循環系への遺伝子送達用パラミクソウイルスベクター |
KR20040039366A (ko) | 2001-09-18 | 2004-05-10 | 가부시키가이샤 디나벡크 겐큐쇼 | 입자 형성능이 저하된 (-)가닥 rna 바이러스 벡터의 검사방법 및 제조방법 |
KR20040040475A (ko) | 2001-09-28 | 2004-05-12 | 가부시키가이샤 디나벡크 겐큐쇼 | 에피토프 결합 β2m을 코드하는 포유동물 세포감염성 바이러스 벡터 및 그의 이용 |
WO2003102183A1 (fr) | 2002-06-03 | 2003-12-11 | Dnavec Research Inc. | Vecteurs de paramyxovirus codant pour un anticorps et son utilisation |
WO2004022731A1 (ja) | 2002-09-04 | 2004-03-18 | Dnavec Research Inc. | シアル酸結合活性を有する膜蛋白質をエンベロープに含むウイルスベクターをグラム陽性菌由来ノイラミニダーゼを用いて製造する方法 |
JPWO2004038029A1 (ja) | 2002-10-24 | 2006-02-23 | 株式会社ディナベック研究所 | T細胞に遺伝子を導入する方法 |
AU2004286144A1 (en) | 2003-11-04 | 2005-05-12 | Dnavec Research Inc. | Method for producing gene transferred dendritic cells |
JP5296983B2 (ja) | 2004-06-24 | 2013-09-25 | 株式会社ディナベック研究所 | Rnaウイルスが導入された樹状細胞を含む抗癌剤 |
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- 2005-01-12 KR KR1020067016135A patent/KR20060129013A/ko not_active Application Discontinuation
- 2005-01-12 WO PCT/JP2005/000238 patent/WO2005067981A1/ja active Search and Examination
- 2005-01-12 CA CA002553377A patent/CA2553377A1/en not_active Abandoned
- 2005-01-12 US US10/585,884 patent/US7521043B2/en not_active Expired - Fee Related
- 2005-01-12 AU AU2005205441A patent/AU2005205441A1/en not_active Abandoned
- 2005-01-12 EP EP05703477A patent/EP1712243A4/en not_active Withdrawn
- 2005-01-12 JP JP2005517037A patent/JPWO2005067981A1/ja not_active Withdrawn
Patent Citations (2)
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JPS58157723A (ja) * | 1982-03-15 | 1983-09-19 | Ajinomoto Co Inc | インタ−ロイキン2を含有してなる免疫療法剤 |
JPH07503455A (ja) * | 1991-10-25 | 1995-04-13 | サン ディエゴ リージョナル キャンサー センター | 癌のリンホカイン遺伝子療法 |
Non-Patent Citations (3)
Title |
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BITZER M. ET AL.: "Negative-strand RNA viral vectors: intravenous application of Sendai virus vectors for the systemic delivery of therapeutic genes.", MOL.THER., vol. 7, no. 2, 2003, pages 210 - 217, XP002992142 * |
HASEGAWA M. ET AL.: "Shinki Idenshi Chiryoyo Vector no Kaihatsu.", THE CELL., vol. 33, no. 6, 2001, pages 227 - 231, XP002992143 * |
See also references of EP1712243A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013106608A (ja) * | 2011-10-25 | 2013-06-06 | Gifu Univ | 変異狂犬病ウイルス合成・増殖方法、並びに狂犬病ワクチン製剤 |
Also Published As
Publication number | Publication date |
---|---|
EP1712243A4 (en) | 2007-04-11 |
EP1712243A1 (en) | 2006-10-18 |
US7521043B2 (en) | 2009-04-21 |
CA2553377A1 (en) | 2005-07-28 |
JPWO2005067981A1 (ja) | 2007-12-27 |
US20070248627A1 (en) | 2007-10-25 |
CN1929867A (zh) | 2007-03-14 |
KR20060129013A (ko) | 2006-12-14 |
AU2005205441A1 (en) | 2005-07-28 |
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