JP2005525128A - P53結合t細胞受容体分子とその使用 - Google Patents
P53結合t細胞受容体分子とその使用 Download PDFInfo
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Abstract
Description
本出願は2001年2月1日出願の米国特許出願第09/774681号に35U.S.C.120に基づく優先権を主張し、該出願は1997年3月5日出願の米国特許出願第08/812393号に優先権を主張するものであり、該出願は1996年3月5日出願の米国仮出願第60/012845号に優先権を主張するものである。本出願はまた2001年6月5日に出願された米国仮出願第60/296324号に35U.S.C.119(e)に基づく優先権を主張する。これらの出願の全内容は引用することにより取り込まれる。
本発明は国立衛生研究所による契約番号CA25803に基づく政府資金で行われた。政府は本発明に一定の権利を有する。
本発明は、特にP53蛋白質配列に結合するT細胞受容体(TCR)分子に関するもの、及び、当該そのような分子の製造及び使用方法に関するものである。本発明のTCR分子は、治療及び診断目的を含む様々な適用において有用である。
ガンのような疾病の治療への伝統的なアプローチには、手術、放射線治療、化学療法、抗生物質、あるいは治療の組み合わせが包含される。しかしながらそのような療法は、これらの兆候の多くに対して効果的であることは証明されていない。このようなヒトの疾病の予防及び/又は治療のための代わりとなる治療の開発が必須である。近年、抗体やTリンパ球を用いる免疫療法及び遺伝子治療のアプローチが、ヒトの疾病を治療するための新しく有望な方法として浮上している。
我々はヒトp53蛋白質由来のペプチドに結合するT細胞受容体(TCR)分子を同定した。一つの態様では、HLA分子、好ましくはHLA−A2.1とのかかわりあいで提示されるヒトp53蛋白質の好ましくは約264から272位のアミノ酸配列に特異的に結合するヘテロダイマーTCR分子を単離した。他の態様では、我々はその配列に特異的に結合する一本鎖TCR(sc−TCR)分子を製造した。またそのようなTCR分子の製造及び使用方法も開示している。本発明は、治療的使用及びp53蛋白質発現細胞の検出における使用を含む、広範にわたる有用な適用を含んでいる。
先に要約されたように、我々はVα鎖とVβ鎖、すなわち二本鎖複合体を一般的に含む非常に有用なT細胞受容体(TCR)ヘテロダイマーを単離した。より好ましいヘテロダイマーは、典型的にはHLA−A2.1MHC分子とのかかわりあいで、ヒトp53蛋白質配列の約264から272位間のアミノ酸配列、好ましくはp53蛋白質の264から272位のアミノ酸、つまり以下の標的アミノ酸配列、Leu Leu Gly Arg Asn Ser Phe Glu Val(配列番号1)に結合する。またすでに要約されたように、良好な結合は標準的な以下に記載のT細胞結合アッセイで決定される。
調査(たとえばAusubelら、上述文献参照)により決定できる。
264一本鎖TCR(sc−TCR)の構築
T細胞クローン264は、HLA−A2.1制限性ヒト野生型腫瘍抑制蛋白質p53のペプチド断片(アミノ酸配列)264−272、すなわちLLGRNSFEV(配列番号1)を認識する。T細胞受容体遺伝子は、可溶性TCRと機能を有する受容体分子を産生することがすでに示されている3つのドメインからなる一本鎖構成へとクローニングされた。
二つのVα鎖のいずれが機能的かを決定するために、264−A及び264−B sc−TCRがCD3ゼータ融合分子として発現された。
端的にいうと、マウスcDNAがKC312及びKC304プライマーを用いたポリメラーゼ連鎖反応(PCR)における鋳型として使用され、5‘HpaI−3’ClaIマウスCD3ゼータ断片を産生した。
ジャーカット細胞が、冷たいDPBSで洗浄してトランスフェクションのために調製された。細胞はDPBSに再懸濁され、PvuI20μgで切断された264−A/CD3ゼータまたは264−B/CD3ゼータ DNAと混合された。氷上で5分後、細胞は250ボルト、960μFd、1パルスを伝達するようにセットされたGene Pulser (BioRad)を用いてエレクトロポレーションされた。パルスされた細胞は5分間氷上に置かれた。細胞は10%IMDM培地(IMDM,10%FBS、2mMグルタミン)10mlへ溶解され、37℃、5%二酸化炭素下で、T−25cm2TCフラスコ内で一晩成長させられた。翌日、細胞は選択培地(10%IMDM、1.0mg/ml、G418)とともに、96ウエルプレートに植え付けられた。一週間後、G418の濃度は2mg/mlまで増加した。成長しているコロニーは、トランスフェクションから約2週間後に再供給され、約一週間後にスクリーニングされた。
CD3ゼータ融合分子の264−Aまたは264−Bバージョンのいずれかを発現したトランスフェクトされたジャーカット細胞が、細胞活性化アッセイで使用された。アッセイではAPCとしてHLA−A2提示セルラインT2が使用された。T2細胞には264ペプチド(あるいは無関係のペプチド)が37℃、5%二酸化炭素下、一晩入れられた。次の日、トランスフェクトされたジャーカットセルラインが添加され、ペプチドパルスされたAPCと一晩反応させた。
Claims (38)
- Vα鎖とVβ鎖を含み、MHC分子とのかかわりあいにおいてp53ペプチドと結合できる単離されたT細胞受容体(TCR)。
- p53ペプチドが以下のアミノ酸配列:Leu Leu Gly Arg Asn Ser Phe Glu Val(配列番号1)を含むものである、請求項1に記載の単離されたTCR。
- MHC分子がHLA分子を含むものである、請求項1または2に記載の単離されたTCR。
- HLA分子がHLA A2.1を含むものである、請求項3に記載の単離されたTCR。
- α鎖が、a)Vα鎖及びb)Cα鎖が順に共有結合しているものを含む、請求項1−4のいずれかに記載の単離されたTCR。
- β鎖が、a)Vβ鎖及びCβ配列を順に共有結合しているものを含む、請求項1−5のいずれかに記載の単離されたTCR。
- 配列番号1のアミノ酸配列を含むペプチドとの複合体であるMHC分子への、TCRの結合をモニターすることにより結合を決定する、請求項1−6のいずれかに記載の単離されたTCR。
- 結合が、TCR ELISAあるいは標準的なTCR結合アッセイでモニターされる、請求項7に記載の単離されたTCR。
- 結合が、TCRによるシグナル伝達を測定することによりモニターされる、請求項7に記載の単離されたTCR。
- アミノ酸配列とTCR分子間の結合が、対照のTCRヘテロダイマーと比較して少なくとも約2倍増加している、請求項7−9のいずれかに記載の単離されたTCR。
- アミノ酸配列とTCRヘテロダイマー間の結合が、対照のTCRヘテロダイマーと比較して少なくとも約10%増加している、請求項7−9のいずれかに記載の単離されたTCR。
- Va鎖が図4A−C(配列番号2)で示されるVα3鎖と少なくとも90%同一である、請求項1−11のいずれかに記載の単離されたTCR。
- Vβ鎖が図4A−C(配列番号2)で示されるVβ3鎖と少なくとも約90%アミノ酸配列が同一である、請求項1−12のいずれかに記載の単離されたTCR。
- 図4A−C(配列番号2)で示されるCβ鎖と少なくとも約90%アミノ酸配列が同一であるCβ配列をさらに含む、請求項1−13のいずれかに記載の単離されたTCR。
- Cα鎖が図5(配列番号3)で示されるCα鎖と少なくとも約90%アミノ酸配列が同一である、請求項1−14のいずれかに記載の単離されたTCR。
- TCRがヘテロダイマーを含むものである、請求項1−15のいずれかに記載の単離されたTCR。
- TCRが一本鎖TCRを含むものである、請求項1−16のいずれかに記載の単離されたTCR。
- Vα鎖がペプチドリンカー配列によりVβ鎖に共有結合している、請求項17に記載の単離された一本鎖TCR(scTCR)。
- sc−TCRが膜貫通ドメインを含むものである、請求項17及び18のいずれかに記載のsc−TCR。
- sc−TCRが細胞質シグナルドメインを含むものである、請求項17−19のいずれかに記載のsc−TCR。
- sc−TCRが、1)図4A−C(配列番号2)で示されるVα3鎖、2)ペプチドリンカー、3)図4A−C(配列番号2)で示されるVβ3鎖を順に含むものである、請求項17−20のいずれかに記載のscTCR。
- Vβ3鎖のC末端に結合した、図4A−C(配列番号2)に記載のCβ鎖をさらに含む、請求項21に記載のsc−TCR。
- 図5(配列番号3)で示されるCα鎖の断片をさらに含み、その断片がVα鎖のC末端とペプチドリンカーのN末端の間に共有結合されたものである、請求項21及び22のいずれかに記載のsc−TCR。
- ペプチドリンカーが以下の配列:Gly Gly Gly Gly Ser(配列番号5)を少なくとも4回繰り返したものである、請求項21−23のいずれかに記載のsc−TCR。
- 請求項1−24のいずれかに記載のTCRをコードする単離された核酸。
- 請求項25に記載の核酸を含むベクター。
- 請求項25に記載の単離された核酸または請求項26に記載のベクターを含む細胞。
- 第一のDNAセグメントがVα鎖をコードし、第2のDNAセグメントがVβ鎖をコードするものである、請求項16に記載のヘテロダイマーをコードするDNAセグメント対。
- コードされたVα鎖が、図4A−C(配列番号2)で示されるVα3鎖とアミノ酸配列が少なくとも約90%同一である、請求項28に記載のDNAセグメント対。
- コードされたVβ鎖が、図4A−C(配列番号2)で示されるVβ3鎖とアミノ酸配列が少なくとも約90%同一である、請求項28及び29のいずれかに記載のDNAセグメント対。
- 第2のセグメントがさらに、図4A−C(配列番号2)で示されるCβ鎖とアミノ酸配列が少なくとも約90%同一であるCβ鎖をコードし、コードされたVβ鎖のC末端がコードされたCβ鎖のC末端に結合している、請求項28−30のいずれかに記載のDNAセグメント対。
- 細胞あるいは組織を、請求項1−24のいずれかに記載のTCRと接触させることを含む、p53を発現する細胞あるいは組織を同定する方法。
- 細胞あるいは組織を、請求項27に記載の細胞と接触させることを含む、p53を発現する細胞あるいは組織を同定する方法。
- 細胞を、請求項27に記載の細胞と接触させることを含む、MHC分子とのかかわりあいでp53ペプチドを発現する細胞を殺傷する方法。
- MHC分子と請求項27に記載の細胞で発現されるTCR間の免疫複合体を形成させることをさらに含むものである、請求項34に記載の方法。
- 細胞を殺傷するのに十分な免疫応答の誘導をさらに含むものである、請求項35に記載の方法。
- ガンがp53のアップレギュレーションにより特徴づけられるものである、請求項1−24のいずれかに記載のTCRの治療における有効量を哺乳動物に投与することを含む、ガンの治療方法。
- 請求項27に記載の細胞の治療における有効量を哺乳動物に投与することを含む、ガンの治療方法。
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US29632401P | 2001-06-05 | 2001-06-05 | |
PCT/US2002/017785 WO2004018619A2 (en) | 2001-06-05 | 2002-06-05 | P53 binding t cell receptor molecules and uses thereof |
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EP1289564B1 (en) * | 2000-06-05 | 2018-07-18 | Altor BioScience Corporation | T cell receptor fusions and conjugates and methods of use thereof |
CA2544483C (en) | 2003-11-10 | 2013-09-10 | Altor Bioscience Corporation | Soluble tcr fusion molecules and methods of use |
US7994298B2 (en) | 2004-09-24 | 2011-08-09 | Trustees Of Dartmouth College | Chimeric NK receptor and methods for treating cancer |
EP2486049A1 (en) | 2009-10-06 | 2012-08-15 | The Board Of Trustees Of The UniversityOf Illinois | Human single-chain t cell receptors |
US9273283B2 (en) | 2009-10-29 | 2016-03-01 | The Trustees Of Dartmouth College | Method of producing T cell receptor-deficient T cells expressing a chimeric receptor |
US9181527B2 (en) | 2009-10-29 | 2015-11-10 | The Trustees Of Dartmouth College | T cell receptor-deficient T cell compositions |
US9833476B2 (en) | 2011-08-31 | 2017-12-05 | The Trustees Of Dartmouth College | NKP30 receptor targeted therapeutics |
JP6389166B2 (ja) | 2012-05-07 | 2018-09-12 | トラスティーズ・オブ・ダートマス・カレッジ | 抗b7−h6抗体、融合タンパク質、及びこれらを使用する方法 |
UA114108C2 (uk) | 2012-07-10 | 2017-04-25 | Борд Оф Ріджентс, Дзе Юніверсіті Оф Техас Сістем | Моноклональне антитіло для застосування в діагностиці і терапії злоякісних пухлин і аутоімунного захворювання |
BR112020006012A2 (pt) * | 2017-09-29 | 2020-10-06 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Services | receptores de células t que reconhecem p53 mutado |
US20200308279A1 (en) | 2017-10-06 | 2020-10-01 | Oslo Universitetssykehus Hf | Chimeric antigen receptors |
CN108060135A (zh) * | 2017-12-26 | 2018-05-22 | 东莞赛尔生物科技有限公司 | 一种高效表达p53抑癌蛋白的t细胞、制备方法及应用 |
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US5057313A (en) * | 1986-02-25 | 1991-10-15 | The Center For Molecular Medicine And Immunology | Diagnostic and therapeutic antibody conjugates |
WO1988007553A1 (en) * | 1987-03-26 | 1988-10-06 | Teijin Limited | Process for preparing antibody complex |
AU656518B2 (en) * | 1990-02-20 | 1995-02-09 | Coulter Corporation | Improved antibody-enzyme direct conjugates and method of making same |
GB9200417D0 (en) * | 1992-01-09 | 1992-02-26 | Bagshawe Kenneth D | Cytotoxic drug therapy |
US6399368B1 (en) * | 1992-01-17 | 2002-06-04 | Board Of Regents, The University Of Texas System | Secretion of T cell receptor fragments from recombinant Escherichia coli cells |
ATE183514T1 (de) | 1992-05-26 | 1999-09-15 | Univ Leiden | Peptide des menschlichen proteins p53 zum gebrauch in menschlichen-zytotoxischen-t-zell- antwort-induzierenden kompositionen sowie menschliche p53-protein-spezifische t-lymphocyten |
WO1994012520A1 (en) * | 1992-11-20 | 1994-06-09 | Enzon, Inc. | Linker for linked fusion polypeptides |
DK0776339T4 (da) | 1994-07-29 | 2010-05-25 | Sunol Molecular Corp | MHC-komplekser og anvendelser deraf |
WO1996013593A2 (en) | 1994-10-26 | 1996-05-09 | Procept, Inc. | Soluble single chain t cell receptors |
AU712441B2 (en) * | 1994-12-14 | 1999-11-04 | Scripps Research Institute, The | In vivo activation of tumor-specific cytotoxic T cells |
US5830755A (en) * | 1995-03-27 | 1998-11-03 | The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services | T-cell receptors and their use in therapeutic and diagnostic methods |
US5869270A (en) | 1996-01-31 | 1999-02-09 | Sunol Molecular Corporation | Single chain MHC complexes and uses thereof |
WO1997032603A1 (en) | 1996-03-05 | 1997-09-12 | The Scripps Research Institute | Recombinant constructs encoding t cell receptors specific for human hla-restricted tumor antigens |
US6127524A (en) | 1996-10-18 | 2000-10-03 | Dade Behring Inc. | Binding molecules and computer-based methods of increasing the binding affinity thereof |
EP0977886A4 (en) | 1997-03-07 | 2002-10-23 | Sunol Molecular Corp | FUSION PROTEINS, WHICH CONTAIN A BACTERIOPHAGE ENVELOPE PROTEIN AND A SINGLE CHAIN T-CELL RECEPTOR |
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EP1289564B1 (en) | 2000-06-05 | 2018-07-18 | Altor BioScience Corporation | T cell receptor fusions and conjugates and methods of use thereof |
DE10109855A1 (de) * | 2001-03-01 | 2002-09-12 | Stanislawski Thomas | Polypeptide eines p53-Protein-spezifischen murinen alpha/beta T-Zell Rezeptors, diese kodierende Nukleinsäuren und deren Verwendung |
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US20080269113A1 (en) | 2008-10-30 |
WO2004018619A3 (en) | 2005-05-06 |
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EP1546188B1 (en) | 2008-08-20 |
AU2002316190A8 (en) | 2004-04-08 |
EP1546188A2 (en) | 2005-06-29 |
AU2002316190B2 (en) | 2009-01-22 |
DE60228504D1 (de) | 2008-10-02 |
US7456263B2 (en) | 2008-11-25 |
DK1546188T3 (da) | 2008-10-27 |
CA2487779A1 (en) | 2004-03-04 |
JP4447456B2 (ja) | 2010-04-07 |
AU2002316190B8 (en) | 2009-01-29 |
EP2009019A1 (en) | 2008-12-31 |
CA2487779C (en) | 2012-10-02 |
CN1692124A (zh) | 2005-11-02 |
ATE405582T1 (de) | 2008-09-15 |
EP1546188A4 (en) | 2005-12-21 |
AU2002316190A1 (en) | 2004-03-17 |
CN1692124B (zh) | 2012-05-30 |
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