JPWO2021119489A5 - - Google Patents

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JPWO2021119489A5
JPWO2021119489A5 JP2022535517A JP2022535517A JPWO2021119489A5 JP WO2021119489 A5 JPWO2021119489 A5 JP WO2021119489A5 JP 2022535517 A JP2022535517 A JP 2022535517A JP 2022535517 A JP2022535517 A JP 2022535517A JP WO2021119489 A5 JPWO2021119489 A5 JP WO2021119489A5
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sequence
receptor
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lilrb1
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Priority claimed from PCT/US2020/064607 external-priority patent/WO2021119489A1/en
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ポリペプチドを含むキメラ抗原受容体であって、前記ポリペプチドが、LILRB1細胞内ドメイン、ならびに/または少なくともつの免疫受容体チロシンベースの阻害モチーフ(ITIM)を含む細胞内ドメインであって、ITIMはNLYAAV(配列番号8)、VTYAEV(配列番号9)、VTYAQL(配列番号10)、およびSIYATL(配列番号11)から選択される、細胞内ドメインを含む、キメラ抗原受容体。 A chimeric antigen receptor comprising a polypeptide, said polypeptide comprising an LILRB1 intracellular domain and/ or at least two immunoreceptor tyrosine-based inhibition motifs (ITIMs), each ITIM is a chimeric antigen receptor comprising an intracellular domain selected from NLYAAV (SEQ ID NO: 8), VTYAEV (SEQ ID NO: 9), VTYAQL (SEQ ID NO: 10), and SIYATL (SEQ ID NO: 11). LILRB1ヒンジドメインおよび/またはLILRB1膜貫通ドメインを含む、請求項1に記載の受容体。 2. A receptor according to claim 1, comprising a LILRB1 hinge domain and/or a LILRB1 transmembrane domain. 前記細胞内ドメインが、
i.)NLYAAV(配列番号8)およびVTYAEV(配列番号9)の両方のITIMを含む
ii.)VTYAEV(配列番号9)およびVTYAQL(配列番号10)の両方のITIMを含む;
iii.)VTYAQL(配列番号10)およびSIYATL(配列番号11)の両方のITIMを含む;
iv.)NLYAAV(配列番号8)、VTYAEV(配列番号9)、およびVTYAQL(配列番号10)のITIMを含む;
v.)VTYAEV(配列番号9)、VTYAQL(配列番号10)、およびSIYATL(配列番号11)のITIMを含む;または
vi.)NLYAAV(配列番号8)、VTYAEV(配列番号9)、VTYAQL(配列番号10)、およびSIYATL(配列番号11)のITIMを含む、請求項1または2に記載の受容体。
The intracellular domain is
i. ) containing both NLYAAV (SEQ ID NO: 8) and VTYAEV (SEQ ID NO: 9) ITIMs ;
ii. ) containing both VTYAEV (SEQ ID NO: 9) and VTYAQL (SEQ ID NO: 10) ITIMs;
iii. ) containing both VTYAQL (SEQ ID NO: 10) and SIYATL (SEQ ID NO: 11) ITIMs;
iv. ) containing the ITIMs of NLYAAV (SEQ ID NO: 8), VTYAEV (SEQ ID NO: 9), and VTYAQL (SEQ ID NO: 10);
v. ) comprising the ITIMs of VTYAEV (SEQ ID NO: 9), VTYAQL (SEQ ID NO: 10), and SIYATL (SEQ ID NO: 11); or
vi. 3. The receptor of claim 1 or 2 , comprising the ITIMs of ) NLYAAV (SEQ ID NO: 8), VTYAEV (SEQ ID NO: 9), VTYAQL (SEQ ID NO: 10), and SIYATL (SEQ ID NO: 11) .
前記細胞内ドメインが、配列番号7または12~17と少なくとも95%同一である配列を含む、請求項に記載の受容体。 2. The receptor of claim 1 , wherein the intracellular domain comprises a sequence that is at least 95% identical to SEQ ID NO: 7 or 12-17 . 前記ポリペプチドが、少なくとも3つの免疫受容体チロシンベースの阻害モチーフ(ITIM)を含む細胞内ドメインを含み、各ITIMが、NLYAAV(配列番号8)、VTYAEV(配列番号9)、VTYAQL(配列番号10)、およびSIYATL(配列番号11)から独立して選択される、請求項1に記載の受容体。 The polypeptide comprises an intracellular domain containing at least three immunoreceptor tyrosine-based inhibition motifs (ITIMs), each ITIM comprising NLYAAV (SEQ ID NO: 8), VTYAEV (SEQ ID NO: 9), VTYAQL (SEQ ID NO: 10). ), and SIYATL (SEQ ID NO: 11). 前記細胞内ドメインが、配列番号12~17の配列を含む、請求項1に記載の受容体。 A receptor according to claim 1, wherein the intracellular domain comprises the sequences SEQ ID NOs: 12-17. 前記LILRB1膜貫通ドメインが、配列番号5と少なくとも95%同一である配列を含む、任意には前記LILRB1膜貫通ドメインが、配列番号5を含む、請求項1~のいずれか一項に記載の受容体。 7. The LILRB1 transmembrane domain comprises a sequence that is at least 95% identical to SEQ ID NO: 5, optionally the LILRB1 transmembrane domain comprises SEQ ID NO: 5 . receptor. 前記LILRB1ヒンジドメインが、配列番号4、配列番号18、配列番号19、配列番号80、配列番号81、配列番号82、配列番号83、配列番号84もしくは配列番号93と少なくとも95%同一である配列を含む、または
前記LILRB1ヒンジドメインが、配列番号4、配列番号18、配列番号19、配列番号80、配列番号81、配列番号82、配列番号83、配列番号84もしくは配列番号93と同一である配列を含む、または
前記LILRB1ヒンジドメインが、配列番号4、配列番号18、配列番号19、配列番号80、配列番号81、配列番号82、配列番号83もしくは配列番号84と少なくとも95%同一である配列を含む、または
前記LILRB1ヒンジドメインが、配列番号4、配列番号18、配列番号19、配列番号80、配列番号81、配列番号82、配列番号83もしくは配列番号84と同一である配列を含む、請求項1~のいずれか一項に記載の受容体。
The LILRB1 hinge domain has a sequence that is at least 95% identical to SEQ ID NO: 4, SEQ ID NO: 18, SEQ ID NO: 19, SEQ ID NO: 80, SEQ ID NO: 81, SEQ ID NO: 82, SEQ ID NO: 83, SEQ ID NO: 84 or SEQ ID NO: 93. contains or
the LILRB1 hinge domain comprises a sequence identical to SEQ ID NO: 4, SEQ ID NO: 18, SEQ ID NO: 19, SEQ ID NO: 80, SEQ ID NO: 81, SEQ ID NO: 82, SEQ ID NO: 83, SEQ ID NO: 84 or SEQ ID NO: 93, or
the LILRB1 hinge domain comprises a sequence that is at least 95% identical to SEQ ID NO: 4, SEQ ID NO: 18, SEQ ID NO: 19, SEQ ID NO: 80, SEQ ID NO: 81, SEQ ID NO: 82, SEQ ID NO: 83 or SEQ ID NO: 84, or
Claims 1-7, wherein the LILRB1 hinge domain comprises a sequence identical to SEQ ID NO: 4, SEQ ID NO: 18, SEQ ID NO: 19, SEQ ID NO: 80, SEQ ID NO: 81, SEQ ID NO: 82, SEQ ID NO: 83 or SEQ ID NO: 84 . The receptor according to any one of .
前記ポリペプチドが、配列番号20と少なくとも95%同一である配列を含む、または配列番号21と少なくとも95%同一である配列を含む、任意には前記ポリペプチドが配列番号21の配列を含む、請求項1~のいずれか一項に記載の受容体。 21. Optionally, the polypeptide comprises a sequence that is at least 95% identical to SEQ ID NO: 20, or at least 95% identical to SEQ ID NO: 21. 9. The receptor according to any one of items 1 to 8 . 前記ポリペプチドが、配列番号2もしくは配列番号3と少なくとも95%同一である配列を含む、または
前記ポリペプチドが、配列番号20と少なくとも99%同一である配列を含む、または
前記ポリペプチドが、配列番号21と少なくとも99%同一である配列を含む、または
前記ポリペプチドが、配列番号2もしくは配列番号3と少なくとも99%同一である配列を含む、または
前記ポリペプチドが、配列番号20と同一である配列を含む、または
前記ポリペプチドが、配列番号21と同一である配列を含む、または
前記ポリペプチドが、配列番号2もしくは配列番号3と同一である配列を含む、または
前記ポリペプチドが、抗原結合性ドメインを含み、任意には前記抗原結合性ドメインが、前記LILRB1細胞外リガンド結合タンパク質以外の抗原結合性ドメインであるか、または、
任意には前記ポリペプチドが2つ以上の抗原結合性ドメインを含む、または
任意には前記抗原結合性ドメインが一本鎖可変断片(scFv)を含み、任意には前記scFvが配列番号22~33のいずれか1つの相補性決定領域(CDR)を含むか、または任意には前記scFvが、配列番号35~46もしくは125のいずれか1つと少なくとも95%同一である配列を含むか、または任意には前記scFvが配列番号35~46もしくは125のいずれか1つと同一である配列を含む、または
任意には抗体の重鎖が、配列番号25~27もしくは31~33のいずれか1つの重鎖CDRを含み、抗体の軽鎖が、配列番号22~24もしくは28~30のいずれか1つの軽鎖CDRを含む、または
任意には抗体の重鎖が、配列番号35~46もしくは125のいずれか1つの重鎖部分と少なくとも95%同一である配列を含み、抗体の軽鎖が、配列番号35~46もしくは125のいずれか1つの軽鎖部分と少なくとも95%同一である配列を含む、または
任意には抗体の重鎖が、配列番号35~46もしくは125のいずれか1つの重鎖部分と同一である配列を含み、抗体の軽鎖が、配列番号35~46もしくは125のいずれか1つの軽鎖部分と同一である配列を含む、請求項1に記載の受容体。
the polypeptide comprises a sequence that is at least 95% identical to SEQ ID NO: 2 or SEQ ID NO: 3, or
the polypeptide comprises a sequence that is at least 99% identical to SEQ ID NO: 20, or
the polypeptide comprises a sequence that is at least 99% identical to SEQ ID NO: 21, or
the polypeptide comprises a sequence that is at least 99% identical to SEQ ID NO: 2 or SEQ ID NO: 3, or
the polypeptide comprises a sequence identical to SEQ ID NO: 20, or
the polypeptide comprises a sequence identical to SEQ ID NO: 21, or
the polypeptide comprises a sequence identical to SEQ ID NO: 2 or SEQ ID NO: 3, or
the polypeptide comprises an antigen binding domain, optionally the antigen binding domain is an antigen binding domain other than the LILRB1 extracellular ligand binding protein, or
Optionally said polypeptide comprises two or more antigen binding domains, or
Optionally said antigen binding domain comprises a single chain variable fragment (scFv), optionally said scFv comprises a complementarity determining region (CDR) of any one of SEQ ID NOs: 22-33; wherein said scFv comprises a sequence that is at least 95% identical to any one of SEQ ID NO: 35-46 or 125, or optionally said scFv is identical to any one of SEQ ID NO: 35-46 or 125. contains an array, or
Optionally, the heavy chain of the antibody comprises a heavy chain CDR of any one of SEQ ID NOs: 25-27 or 31-33, and the light chain of the antibody comprises a light chain CDR of any one of SEQ ID NOs: 22-24 or 28-30. chain CDRs, or
Optionally, the heavy chain of the antibody comprises a sequence that is at least 95% identical to the heavy chain portion of any one of SEQ ID NOs: 35-46 or 125, and the light chain of the antibody comprises a sequence that is at least 95% identical to a heavy chain portion of any one of SEQ ID NOs: 35-46 or 125. comprises a sequence that is at least 95% identical to one light chain portion, or
Optionally, the heavy chain of the antibody comprises a sequence that is identical to the heavy chain portion of any one of SEQ ID NOs: 35-46 or 125, and the light chain of the antibody comprises a sequence that is identical to the heavy chain portion of any one of SEQ ID NOs: 35-46 or 125. 2. A receptor according to claim 1, comprising a sequence that is identical to the light chain portion .
阻害性受容体である、請求項1~10のいずれか一項に記載の受容体。 A receptor according to any one of claims 1 to 10 , which is an inhibitory receptor. 配列番号47~71、77~79、89~92、120もしくは122のいずれか1つと少なくとも95%同一であるアミノ酸配列を含む、または配列番号47~71、77~79、89~92、120もしくは122のアミノ酸配列を含む、請求項1に記載の受容体。 comprises an amino acid sequence that is at least 95% identical to any one of SEQ ID NO: 47-71, 77-79, 89-92, 120 or 122, or SEQ ID NO: 47-71, 77-79, 89-92, 120 or 2. The receptor of claim 1 , comprising a 122 amino acid sequence . 請求項1~12のいずれか一項に記載の受容体をコードする核酸配列を含むポリヌクレオチド。 A polynucleotide comprising a nucleic acid sequence encoding a receptor according to any one of claims 1 to 12 . 請求項13に記載のポリヌクレオチドを含むベクター。 A vector comprising the polynucleotide according to claim 13 . 請求項1~12のいずれか一項に記載の受容体、請求項13に記載のポリヌクレオチド、または請求項14に記載のベクターを含む免疫細胞であって、任意には前記細胞が前記抗原と接触するかまたは表面上に前記抗原を発現する細胞と接触すると、免疫細胞活性化が低下する、および/または任意には前記免疫細胞活性化が、NFATプロモーターに作動可能に連結した遺伝子の発現を含む、免疫細胞。 An immune cell comprising a receptor according to any one of claims 1 to 12 , a polynucleotide according to claim 13 , or a vector according to claim 14 , optionally said cell being associated with said antigen. Contacting or contacting a cell expressing said antigen on its surface reduces immune cell activation and/or optionally said immune cell activation increases the expression of a gene operably linked to the NFAT promoter. Including immune cells. T細胞である、請求項15に記載の免疫細胞。 The immune cell according to claim 15 , which is a T cell. 前記免疫細胞がアクチベーター受容体をさらに含む、任意には前記アクチベーター受容体が、キメラ抗原受容体またはT細胞受容体である、請求項15または16に記載の免疫細胞。 17. The immune cell of claim 15 or 16 , wherein the immune cell further comprises an activator receptor, optionally the activator receptor being a chimeric antigen receptor or a T cell receptor . 免疫細胞を作製する方法であって、請求項13に記載のポリヌクレオチド、または請求項14に記載のベクターを、前記免疫細胞に導入することを含む、方法。 A method for producing an immune cell, the method comprising introducing the polynucleotide according to claim 13 or the vector according to claim 14 into the immune cell. 疾患または障害の処置における使用のための請求項15に記載の免疫細胞であって、複数の請求項15~17のいずれか一項に記載の免疫細胞を対象に投与することを含む、免疫細胞 An immune cell according to claim 15 for use in the treatment of a disease or disorder, comprising administering to a subject a plurality of immune cells according to any one of claims 15 to 17 . cell . がんを患う対象を処置するための医薬の製造における、請求項15~17のいずれか一項に記載の免疫細胞の使用。 Use of an immune cell according to any one of claims 15 to 17 in the manufacture of a medicament for treating a subject suffering from cancer.
JP2022535517A 2019-12-11 2020-12-11 LILRB1-based chimeric antigen receptor Pending JP2023506184A (en)

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