JP2020518276A5 - - Google Patents

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JP2020518276A5
JP2020518276A5 JP2019561141A JP2019561141A JP2020518276A5 JP 2020518276 A5 JP2020518276 A5 JP 2020518276A5 JP 2019561141 A JP2019561141 A JP 2019561141A JP 2019561141 A JP2019561141 A JP 2019561141A JP 2020518276 A5 JP2020518276 A5 JP 2020518276A5
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cell
human
nuclease
nucleic acid
engineered
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JP2019561141A
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JP7170666B2 (ja
JP2020518276A (ja
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Priority claimed from PCT/US2018/031674 external-priority patent/WO2018208837A1/en
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Priority to JP2022175346A priority Critical patent/JP2023022005A/ja
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Claims (6)

  1. 遺伝子改変ヒトT細胞を産生する方法であって、前記方法は、
    (a)核酸分子を前記ヒトT細胞に導入すること、ここで、前記核酸分子は、
    (i)キメラ抗原受容体をコードする核酸配列を含む第1の発現カセットと;
    (ii)ベータ2ミクログロブリンに対して阻害性であるRNA干渉分子をコードする核酸配列を含む第2の発現カセットと;
    (iii)5’相同性アームと;
    (iv)3’相同性アームと;を含み、前記5’相同性アーム及び前記3’相同性アームが、T細胞受容体(TCR)アルファ定常領域遺伝子内のヌクレアーゼ認識配列に隣接する染色体領域と相同性を有し、
    及び
    )前記ヌクレアーゼ認識配列に対して特異性を有する操作されたヌクレアーゼをコードするmRNAを前記ヒトT細胞に導入することここで、前記操作されたヌクレアーゼが前記細胞内で発現され
    含み
    ここで、前記核酸分子が、AAV6の血清型を有するアデノ随伴ウイルス(AAV)ベクターを使用して前記ヒトT細胞に導入され、
    前記操作されたヌクレアーゼが、前記ヒトT細胞のゲノム中の前記ヌクレアーゼ認識配列に結合して切断し、切断部位を生成し、
    前記核酸分子が、相同組換えにより前記切断部位で前記ヒトT細胞のゲノムに挿入され、及び
    前記遺伝子改変ヒトT細胞でのベータ2ミクログロブリンの細胞表面発現が、細胞表面ベータ2ミクログロブリン発現を低下させるように遺伝子改変されていない対照細胞での細胞表面ベータ2ミクログロブリン発現と比較して、約90%から約95%低下している、遺伝子改変ヒトT細胞を産生する方法。
  2. 前記操作されたヌクレアーゼが、操作されたメガヌクレアーゼ、TALEN、ジンクフィンガーヌクレアーゼ(ZFN)、CRISPR/Cas、コンパクトTALEN、又はメガTALである、請求項記載の方法。
  3. 前記操作されたヌクレアーゼが、操作されたメガヌクレアーゼである、請求項1又は2に記載の方法。
  4. 前記ヌクレアーゼ認識配列が配列番号1からなる、請求項のいずれか一項に記載の方法。
  5. 請求項のいずれか一項に記載の方法により作製された、遺伝子改変ヒトT細胞。
  6. 薬学的に許容可能な担体と、治療的有効量の請求項に記載の前記遺伝子改変ヒトT細胞とを含む医薬組成物。
JP2019561141A 2017-05-08 2018-05-08 操作された抗原受容体をコードする核酸分子及び阻害性核酸分子、並びにそれらの使用方法 Active JP7170666B2 (ja)

Priority Applications (1)

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JP2022175346A JP2023022005A (ja) 2017-05-08 2022-11-01 操作された抗原受容体をコードする核酸分子及び阻害性核酸分子、並びにそれらの使用方法

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US201762503060P 2017-05-08 2017-05-08
US62/503,060 2017-05-08
US201762579460P 2017-10-31 2017-10-31
US62/579,460 2017-10-31
PCT/US2018/031674 WO2018208837A1 (en) 2017-05-08 2018-05-08 Nucleic acid molecules encoding an engineered antigen receptor and an inhibitory nucleic acid molecule and methods of use thereof

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JP2020518276A JP2020518276A (ja) 2020-06-25
JP2020518276A5 true JP2020518276A5 (ja) 2021-06-10
JP7170666B2 JP7170666B2 (ja) 2022-11-14

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JP2022175346A Pending JP2023022005A (ja) 2017-05-08 2022-11-01 操作された抗原受容体をコードする核酸分子及び阻害性核酸分子、並びにそれらの使用方法

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US (3) US10745665B2 (ja)
EP (2) EP3634493A1 (ja)
JP (2) JP7170666B2 (ja)
AU (1) AU2018266698A1 (ja)
CA (1) CA3062698A1 (ja)
WO (1) WO2018208837A1 (ja)

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