JP7158075B2 - Gd2に基づくキメラ抗原受容体及びその利用 - Google Patents
Gd2に基づくキメラ抗原受容体及びその利用 Download PDFInfo
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- JP7158075B2 JP7158075B2 JP2021503089A JP2021503089A JP7158075B2 JP 7158075 B2 JP7158075 B2 JP 7158075B2 JP 2021503089 A JP2021503089 A JP 2021503089A JP 2021503089 A JP2021503089 A JP 2021503089A JP 7158075 B2 JP7158075 B2 JP 7158075B2
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Description
抗原結合ドメインは、腫瘍表面抗原に結合し、腫瘍表面抗原は、GD2であり、かつ抗原結合ドメインは、腫瘍表面抗原GD2に対する一本鎖抗体であり、腫瘍表面抗原GD2に対する一本鎖抗体は、
(a)配列番号1~配列番号3に示されるアミノ酸配列、又は、
(b)配列番号1~配列番号3に示されるアミノ酸配列から1つ以上のアミノ酸の置換、付加及び/又は欠失によって誘導される、キメラ抗原受容体に特異的に結合し、GD2に結合してT細胞シグナル伝達を誘導する機能を有するアミノ酸配列、
から選択されるアミノ酸配列を有する、キメラ抗原受容体を提供する。
HPAFLLIPQVQLVESGPGVVQPGRSLRISCAVSGFSVTNYGVHWVRQPPGKGLEWLGVIWAGGITNYNSAFMSRLTISKDNSKNTVYLQMNSLRAEDTAMYYCASRGGHYGYALDYWGQGTLVTVSSGSTSGSGKPGSSEGSTKGEIVMTQTPATLSVSAGERVTITCKASQSVSNDVTWYQQKPGQAPRLLIYSASNRYSGVPARFSGSGYGTEFTFTISSVQSEDFAVYFCQQDYSSFGQGTKLEIK。
EVQLVQSGAEVEKPGASVKISCKASGSSFTGYNMNWVRQNIGKSLEWIGAIDPYYGGTSYNQKFKGRATLTVDKSTSTAYMHLKSLRSEDTAVYYCVSGMEYWGQGTSVTVSSGSTSGSGKPGSSEGSTKGDVVMTQTPLSLPVTPGEPASISCRSSQSLVHRNGNTYLHWYLQKPGQSPKLLIHKVSNRFSGVPDRFSGSGSGTDFTLKISRVEAEDLGVYFCSQSTHVPPLTFGAGTKLELK。
AFLLIPEVKLVESGGGLVLPGDSLRLSCATSEFTFTDYYMTWVRQPPRKALEWLGFIRNRANGYTTEYNPSVKGRFTISRDNSQSILYLQMNTLRTEDSATYYCARVSNWAFDYWGQGTTLTVSSGSTSGSGKPGSSEGSTKGDVVMTQTPLSLPVSLGDQASISCRSSQSLLKNNGNTFLHWYLQKSGQSPKLLIYKVSNRLSGVPDRFSGSGSGTYFTLKISRVEAEDLGVYFCSQSTHIPYTFGGGTKLEIK。
IEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCEL。
GSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
分泌-GD2scFv-CD28-4-1BB-CD3ζ-2A-FBKP.Casp9。
MLLLVTSLLLCELPHPAFLLIPQVQLVESGPGVVQPGRSLRISCAVSGFSVTNYGVHWVRQPPGKGLEWLGVIWAGGITNYNSAFMSRLTISKDNSKNTVYLQMNSLRAEDTAMYYCASRGGHYGYALDYWGQGTLVTVSSGSTSGSGKPGSSEGSTKGEIVMTQTPATLSVSAGERVTITCKASQSVSNDVTWYQQKPGQAPRLLIYSASNRYSGVPARFSGSGYGTEFTFTISSVQSEDFAVYFCQQDYSSFGQGTKLEIKAAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELGGGGSGGGGSGGGGSRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRTSGSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
MLLLVTSLLLCELPEVQLVQSGAEVEKPGASVKISCKASGSSFTGYNMNWVRQNIGKSLEWIGAIDPYYGGTSYNQKFKGRATLTVDKSTSTAYMHLKSLRSEDTAVYYCVSGMEYWGQGTSVTVSSGSTSGSGKPGSSEGSTKGDVVMTQTPLSLPVTPGEPASISCRSSQSLVHRNGNTYLHWYLQKPGQSPKLLIHKVSNRFSGVPDRFSGSGSGTDFTLKISRVEAEDLGVYFCSQSTHVPPLTFGAGTKLELKAAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELGGGGSGGGGSGGGGSRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRTSGSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
MLLLVTSLLLCELPAFLLIPEVKLVESGGGLVLPGDSLRLSCATSEFTFTDYYMTWVRQPPRKALEWLGFIRNRANGYTTEYNPSVKGRFTISRDNSQSILYLQMNTLRTEDSATYYCARVSNWAFDYWGQGTTLTVSSGSTSGSGKPGSSEGSTKGDVVMTQTPLSLPVSLGDQASISCRSSQSLLKNNGNTFLHWYLQKSGQSPKLLIYKVSNRLSGVPDRFSGSGSGTYFTLKISRVEAEDLGVYFCSQSTHIPYTFGGGTKLEIKAAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELGGGGSGGGGSGGGGSRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRTSGSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
(1)図1に示される、分泌シグナルペプチド、GD2抗原結合ドメイン、CD28細胞外ドメイン及び膜貫通ドメイン、CD28細胞内シグナル伝達ドメイン及び4-1BBシグナル伝達ドメイン、CD3ζシグナル伝達ドメイン、2A配列、並びにカスパーゼ9ドメイン、すなわち、分泌-GD2scFv-CD28-4-1BB-CD3ζ-2A-FBKP.Casp9を、全遺伝子合成によって合成した。
MLLLVTSLLLCELPHPAFLLIPQVQLVESGPGVVQPGRSLRISCAVSGFSVTNYGVHWVRQPPGKGLEWLGVIWAGGITNYNSAFMSRLTISKDNSKNTVYLQMNSLRAEDTAMYYCASRGGHYGYALDYWGQGTLVTVSSGSTSGSGKPGSSEGSTKGEIVMTQTPATLSVSAGERVTITCKASQSVSNDVTWYQQKPGQAPRLLIYSASNRYSGVPARFSGSGYGTEFTFTISSVQSEDFAVYFCQQDYSSFGQGTKLEIKAAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELGGGGSGGGGSGGGGSRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRTSGSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
(1)分泌シグナルペプチド、GD2抗原結合ドメイン、CD28細胞外ドメイン及び膜貫通ドメイン、CD28シグナル伝達ドメイン及び4-1BBシグナル伝達ドメイン、CD3ζシグナル伝達ドメイン、2A配列、並びにカスパーゼ9ドメイン、すなわち、分泌-GD2scFv-CD28-4-1BB-CD3ζ-2A-FBKP.Casp9を、全遺伝子合成によって合成した。
MLLLVTSLLLCELPEVQLVQSGAEVEKPGASVKISCKASGSSFTGYNMNWVRQNIGKSLEWIGAIDPYYGGTSYNQKFKGRATLTVDKSTSTAYMHLKSLRSEDTAVYYCVSGMEYWGQGTSVTVSSGSTSGSGKPGSSEGSTKGDVVMTQTPLSLPVTPGEPASISCRSSQSLVHRNGNTYLHWYLQKPGQSPKLLIHKVSNRFSGVPDRFSGSGSGTDFTLKISRVEAEDLGVYFCSQSTHVPPLTFGAGTKLELKAAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELGGGGSGGGGSGGGGSRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRTSGSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
(1)分泌シグナルペプチド、GD2抗原結合ドメイン、CD28細胞外ドメイン及び膜貫通ドメイン、CD28シグナル伝達ドメイン及び4-1BBシグナル伝達ドメイン、CD3ζシグナル伝達ドメイン、2A配列、並びにカスパーゼ9ドメイン、すなわち、分泌-GD2scFv-CD28-4-1BB-CD3ζ-2A-FBKP.Casp9を、全遺伝子合成によって合成した。
MLLLVTSLLLCELPAFLLIPEVKLVESGGGLVLPGDSLRLSCATSEFTFTDYYMTWVRQPPRKALEWLGFIRNRANGYTTEYNPSVKGRFTISRDNSQSILYLQMNTLRTEDSATYYCARVSNWAFDYWGQGTTLTVSSGSTSGSGKPGSSEGSTKGDVVMTQTPLSLPVSLGDQASISCRSSQSLLKNNGNTFLHWYLQKSGQSPKLLIYKVSNRLSGVPDRFSGSGSGTYFTLKISRVEAEDLGVYFCSQSTHIPYTFGGGTKLEIKAAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRSASGGGGSGGGGSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELGGGGSGGGGSGGGGSRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRTSGSGATNFSLLKQAGDVEENPGPMGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVELLKLEGGGGSGGGGSGAMVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTSAS。
(1)293T細胞を、6ウェルプレートにおいて1×106細胞/ウェルの密度で17時間~18時間培養することができる。
(2)10%FBSを含有する600μL/ウェルの新たな(fresh)DMEMを添加した。
(3)滅菌遠心チューブに以下の試薬:各ウェルから収集した75μLのDMEM、ヘルパーDNAミックス(pNHP、pHEF-VSV-G)、GFPレポータープラスミド、及びpTYF CAR DNAベクター(実施例1、実施例2又は実施例3より)を添加した後に、ボルテックスした。
(4)各ウェルの中心から7μLのSuperfectを取り、遠心チューブに加え、上下に5回ピペッティングすることにより混合し、室温で7分間~10分間放置した。
(5)各培養ウェルに、遠心チューブ内のDNA-Superfect混合物を滴加し、ボルテックスにより混合した。
(6)3%のCO2を含む37℃のインキュベーター中で4時間~5時間インキュベートした。
(7)培地を除去し、細胞を1.5mLの培養培地ですすいだ後に、1.5mLの培地を添加して、更にインキュベートした。
(8)プレートを5%のCO2を含むインキュベーター中に戻し入れ、一晩インキュベートした。翌朝に、蛍光顕微鏡を用いてGFP発現に基づきトランスフェクション効率を観察した。
1)ウイルスの精製
細胞片を1000gで5分間の遠心分離により除去して、ウイルス上清を得た。ウイルス上清を低タンパク質結合フィルターで濾過した後に、ウイルスを小分けにして、-80℃で貯蔵した。
(1)バイオセーフティキャビネット内で、フィルターチューブをアルコールで消毒した後に、滅菌PBSで洗浄した。
(2)ウイルス上清をフィルターチューブに添加した後に、2500gで30分間にわたって又はウイルス容積が20分の1~50分の1に減少するまで遠心分離した。
(3)フィルターチューブを振盪した後に、400gで2分間遠心分離し、濃縮されたウイルスを収集カップ中に収集し、最終的に全てのチューブ内のウイルスを1つの遠心チューブに収集した。
活性化させたT細胞を成長因子IL-2、IL-7及びIL-15を含むAIM-V培地で接種し、10μg/mLのポリブレンを添加した。CAR遺伝子を含む濃縮されたレンチウイルスを添加し、100gの遠心力にて室温で100分間遠心分離した後に、37℃で24時間インキュベートした。次いで、培養培地を添加し、4日間インキュベートした。次いで、細胞を採取し、計数し、患者に注入する前に2日間培養した。
(1)GD2陽性腫瘍細胞系統に緑色蛍光タンパク質(GFP)を発現するレンチウイルスベクターを形質導入し、GFPを安定的に発現させた。
(2)GD2 scFvとは異なる非特異的T細胞又はCAR-T細胞を上記腫瘍細胞と一緒に37℃、5%のCO2のインキュベーター中で24時間~72時間共培養した。
(3)腫瘍細胞の生存を蛍光顕微鏡法により観察した。死滅した腫瘍細胞が緑色蛍光タンパク質を発現しないという事実に基づいて、種々のGD2-CAR-T細胞のin vitro殺傷効率を評価した。これらの結果を図3に示した。
(1)神経芽細胞腫を伴う患者からの非染色の腫瘍切片を、免疫組織化学的染色によりGD2発現が陽性であることを確認した。これらの結果は図4に示される通りであった。高いGD2発現を伴う腫瘍は、図4(a)と図4(b)との間で区別され得る。
(2)患者から白血球細胞を収集した。Ficollを用いた勾配密度遠心分離によって白血球細胞から末梢血単核リンパ球を分離し、T細胞をCD3磁性ビーズでスクリーニングした。そのT細胞に抗CD28抗体を添加して、T細胞を活性化させた。その後のGD2-CARTの作製は、1×106個のCART細胞/kg(体重)で実施した。
(3)患者を低用量化学療法で前治療した。前治療レジメンは、シクロホスファミド250mg/m2を3日間及びフルダラビン25mg/m2を3日間の投与であった。前治療をCART注入の24時間前に行い、3日間継続した(化学療法レジメンは患者の病状に応じて変更することができ、この例は列挙としてのみ使用される)。
(4)静脈内注射を介してCAR T細胞を再注入した。
(5)注入後に、臨床医が患者を監視し、毒性応答を評価した。これらの結果を図5に示した。
Claims (10)
- キメラ抗原受容体であって、前記キメラ抗原受容体は、タンデム配置での、分泌シグナルペプチド、GD2抗原結合ドメイン、CD8α及び/又はCD28膜貫通ドメイン、CD28シグナル伝達ドメイン、4-1BBシグナル伝達ドメイン、CD3ζシグナル伝達ドメイン、2A配列、並びにカスパーゼ9ドメインであり、
前記キメラ抗原受容体は、分泌-GD2-CD28-4-1BB-CD3ζ-2A-FBKP.Casp9であり、
分泌-GD2-CD28-4-1BB-CD3ζ-2A-FBKP.Casp9の前記キメラ抗原受容体は、配列番号12~配列番号14に示されるアミノ酸配列を有する、キメラ抗原受容体。 - 請求項1に記載のキメラ抗原受容体をコードする核酸を含むウイルスベクター。
- 前記ウイルスベクターは、レンチウイルスベクター及び/又はレトロウイルスベクターである、請求項2に記載のウイルスベクター。
- 前記ウイルスベクターは、レンチウイルスベクターである、請求項3に記載のウイルスベクター。
- 発現のための請求項1に記載のキメラ抗原受容体をコードする核酸配列でトランスフェクションされているT細胞。
- 前記T細胞は、ウイルスベクター及び/又は真核性発現プラスミドを介してトランスフェクションされている、請求項5に記載のT細胞。
- 前記T細胞は、ウイルスベクターを介してトランスフェクションされている、請求項6に記載のT細胞。
- 請求項2に記載のウイルスベクターを含む組換えレンチウイルス。
- 293細胞、293T細胞及びTE671細胞からなる群から選択される哺乳動物細胞のうちのいずれか1つ、又はそれらの少なくとも2つの組み合わせを用いて、請求項8に記載の組換えレンチウイルスを得る方法。
- 請求項1に記載のキメラ抗原受容体及び/又は請求項8に記載の組換えレンチウイルスを含む組成物。
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