KR102977458B1 - Cd7 표적의 인간화 항체 및 이의 용도 - Google Patents
Cd7 표적의 인간화 항체 및 이의 용도Info
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Abstract
Description
도 2는 표적 세포에 대한 CD7 인간화 항체를 포함하는 CAR-T 세포의 사멸 효과를 도시하였다.
도 3은 CD7 인간화 항체를 포함하는 CAR-T 세포와 표적 세포와 공동 배양된 사이토카인 방출 수준을 도시하였다.
Claims (19)
- CD7 표적의 인간화 항체에 있어서,
여기에는 경쇄 가변 영역 및 중쇄 가변 영역이 포함되고, 여기에서 상기 경쇄 가변 영역은 SEQ ID NO: 1로 표시되는 CDR-L1, SEQ ID NO: 2로 표시되는 CDR-L2, SEQ ID NO: 3으로 표시되는 CDR-L3을 포함하고, 상기 중쇄 가변 영역은 SEQ ID NO: 4로 표시되는 CDR-H1, SEQ ID NO: 5로 표시되는 CDR-H2, SEQ ID NO:6으로 표시되는 CDR-H3을 포함하고, 상기 CD7 표적의 인간화 항체는 SEQ ID NO: 8, 11, 14 및 17로부터 선택되는 경쇄 가변 영역 및 SEQ ID NO: 9, 12, 15 및 18로부터 선택되는 중쇄 가변 영역을 포함하는 것을 특징으로 하는 CD7 표적의 인간화 항체. - 제1항에 있어서,
상기 CD7 표적의 인간화 항체의 아미노산 서열은 SEQ ID NO: 10, 13, 16 및 19로부터 선택되는 것을 특징으로 하는 인간화 항체. - 핵산 분자에 있어서,
제1항에 따른 인간화 항체를 암호화하는 것을 특징으로 하는 핵산 분자. - 제3항에 있어서,
상기 핵산 분자는 SEQ ID NO: 20 내지 23으로부터 선택된 뉴클레오티드 서열과 적어도 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100% 서열 상동성을 가지며, 이의 암호화된 CD7 표적의 인간화 항체는 CD7 항원에 특이적으로 결합할 수 있는 것을 특징으로 하는 핵산 분자. - 다중특이성 항체에 있어서,
제1항의 인간화 항체 및 다른 항원과 특이적으로 결합하는 하나 이상의 제2 항체 또는 이의 항원 결합 부위가 포함되는 것을 특징으로 하는 다중특이성 항체. - 제5항에 있어서,
상기 제2 항체 또는 이의 항원 결합 부위는 전장 항체, Fab, Fab', (Fab)2, Fv, scFv, scFv-scFv, 미니바디(minibody), 디아바디(diabody) 또는 sdAb로부터 선택되는 것을 특징으로 하는 다중특이성 항체. - 벡터에 있어서,
제1항에 따른 인간화 항체 또는 제5항에 따른 다중특이성 항체를 암호화하는 핵산 분자를 포함하는 것을 특징으로 하는 벡터. - 분리된 숙주 세포에 있어서,
제1항에 따른 인간화 항체 또는 제5항에 따른 다중특이성 항체를 발현하는 것을 특징으로 하는 분리된 숙주 세포. - 키메라 항원 수용체에 있어서,
제1항에 따른 인간화 항체 또는 제5항에 따른 다중특이성 항체, 막횡단 도메인 및 세포내 신호전달 도메인을 포함하는 것을 특징으로 하는 키메라 항원 수용체. - 제9항에 있어서,
CD28 또는 4-1BB로부터 선택된 보조자극 도메인을 더 포함하는 것을 특징으로 하는 키메라 항원 수용체. - 제10항에 있어서,
CD8α 막횡단 도메인, CD28 또는 4-1BB 보조자극 도메인, 및 CD3ζ 세포내 신호전달 도메인을 포함하는 것을 특징으로 하는 키메라 항원 수용체. - 분리된 조작된 면역 세포에 있어서,
제9항에 따른 키메라 항원 수용체를 포함하는 것을 특징으로 하는 분리된 조작된 면역 세포. - 제12항에 있어서,
T 세포, NK 세포, NKT 세포, 대식세포, 수지상 세포로부터 선택되는 것을 특징으로 하는 분리된 조작된 면역 세포. - 항체 접합체에 있어서,
제1항에 따른 인간화 항체 또는 제5항에 따른 다중특이성 항체, 및 제2 기능성 구조를 포함하고, 여기에서 상기 제2 기능성 구조는 Fc, 방사성 동위원소 및 반감기를 연장하는 구조 부분, 검출 가능한 마커 및 약물로부터 선택되는 것을 특징으로 하는 항체 접합체. - 제14항에 있어서,
상기 반감기를 연장하는 구조 부분은 알부민의 결합 구조, 트랜스페린의 결합 구조, 폴리에틸렌 글리콜 분자, 재조합 폴리에틸렌 글리콜 분자, 인간 혈청 알부민, 인간 혈청 알부민의 단편 및 인간 혈청 알부민을 결합하는 폴리펩티드로부터 선택되고; 상기 검출 가능한 마커는 형광단, 화학발광 화합물, 생물발광 화합물, 효소, 항생제 내성 유전자 및 조영제로부터 선택되고; 상기 약물은 세포 독소 및 면역 조절제로부터 선택되는 것을 특징으로 하는 항체 접합체. - CD7 발현과 관련된 비고형 종양 및 고형 종양의 검출 키트에 있어서,제1항에 따른 인간화 항체 또는 제5항에 따른 다중특이성 항체를 포함하는 것을 특징으로 하는 검출 키트.
- CD7 발현과 관련된 비고형 종양 및 고형 종양의 치료 및/또는 예방 및/또는 진단을 위한 약학 조성물에 있어서, 제1항에 따른 인간화 항체 또는 제5항에 따른 다중특이성 항체, 및 하나 이상의 약학적으로 허용 가능한 부형제를 포함하는 것을 특징으로 하는 약학 조성물.
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208669.1 | 2020-11-03 | ||
| CN202011208669.1A CN112300282A (zh) | 2020-11-03 | 2020-11-03 | 靶向cd7的人源化抗体及其用途 |
| PCT/CN2021/127570 WO2022095803A1 (zh) | 2020-11-03 | 2021-10-29 | 靶向cd7的人源化抗体及其用途 |
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| KR20230098158A KR20230098158A (ko) | 2023-07-03 |
| KR102977458B1 true KR102977458B1 (ko) | 2026-06-16 |
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| US (1) | US12692312B2 (ko) |
| EP (1) | EP4219554A4 (ko) |
| JP (1) | JP7630190B2 (ko) |
| KR (1) | KR102977458B1 (ko) |
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| WO (1) | WO2022095803A1 (ko) |
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| CN112300282A (zh) * | 2020-11-03 | 2021-02-02 | 南京北恒生物科技有限公司 | 靶向cd7的人源化抗体及其用途 |
| US20240082306A1 (en) * | 2021-02-03 | 2024-03-14 | Bioheng Therapeutics Limited | Novel chimeric antigen receptor and use thereof |
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