KR20200092302A - 다중-특이적 항체 및 이들의 제조 및 사용 방법 - Google Patents
다중-특이적 항체 및 이들의 제조 및 사용 방법 Download PDFInfo
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Abstract
Description
도 1은 가이드 내비게이션 제어(GNC) 사중-특이적 항체의 일반적 형식의 도해이다.
도 2는 효과기(effector)로서 PBMC(말초 혈액 단핵 세포) 및 표적으로서 B-급성 림프모구 백혈병(B-ALL) 세포주 카스미-2를 사용한, 재배향된(re-directed) T 세포 세포독성(RTCC) 분석을 보여주는 실험 결과를 도시한다.
도 3은 사중-특이적 GNC 항체에 의해 유도된 CD8+ T 세포의 증식을 보여주는 실험 결과를 도시한다
도 4는 사중-특이적 GNC 항체에 의해 유도된 CD4+ T 세포의 증식을 보여주는 실험 결과를 도시한다
도 5는 사중-특이적 GNC 항체에 의해 유도된 PBMC로부터 감마 인터페론의 분비를 보여주는 실험 결과를 도시한다
도 6은 사중-특이적 GNC 항체에 의해 유도된 PBMC로부터 그랜자임 B의 분비를 보여주는 실험 결과를 도시한다
도 7은 CD19 종양 항원 인식 도메인을 가지는 사중-특이적 항체의 예시를 보여준다.
도 8은 본원에 개시된 예시적인 사중-특이적 항체의 목록을 제공한다.
Claims (26)
- N-말단 및 C-말단을 가지는 사중-특이적(tetra-specific) 항체 단량체로서, N-말단에서 C-말단으로 나란히
N-말단에 제1 scFv 도메인,
제2 scFv 도메인,
Fab 도메인,
Fc 도메인, 및
C-말단에 제3 scFv 도메인을 포함하며,
제1 scFv 도메인, 제2 scFv 도메인, Fab 도메인, 및 제3 scFv 도메인 각각이 상이한 항원에 대한 결합 특이성을 가지고, 항원이 종양 항원, 면역 신호전달 항원 또는 이들의 조합인, 사중-특이적 항체 단량체. - 제1항에 있어서, 제1 scFv 도메인, 제2 scFv 도메인, Fab 도메인, 및 제3 scFv 도메인 각각이 독립적으로 ROR1, PD-L1, CD3, CD28, 41BB, CEA, HER2, EGFRvIII, EGFR, LMP1, LMP2A, 메소텔린(Mesothelin), PSMA, EpCAM, 글리피메이-3(glypimay-3), gpA33, GD2, TROP2, NKG2D, BCMA, CD19, CD20, CD33, CD123, CD22, CD30, PD1, OX40, 4-1BB, GITR, TIGIT, TIM-3, LAG-3, CTLA4, CD40, VISTA, ICOS, BTLA, LIGHT, HVEM, CSF1R, CD73, 및 CD39로부터 선택된 항원에 대한 결합 특이성을 가지며, Fc 도메인이 인간 IgG Fc 도메인을 포함하는, 사중-특이적 항체 단량체.
- 제1항에 있어서, 제1 scFv 도메인, 제2 scFv 도메인, Fab 도메인, 및 제3 scFv 도메인 각각이 독립적으로 CD19, CD3, CD137, 4-1BB, 및 PD-L1로부터 선택된 항원에 대한 결합 특이성을 가지는, 사중-특이적 항체 단량체.
- 제1항에 있어서, 제1 scFv 도메인이 CD19에 대한 결합 특이성을 가지는, 사중-특이적 항체 단량체.
- 제1항에 있어서, 제2 scFv 도메인이 CD3에 대한 결합 특이성을 가지는, 사중-특이적 항체 단량체.
- 제1항에 있어서, Fab 도메인이 4-1BB 또는 CD137에 대한 결합 특이성을 가지는, 사중-특이적 항체 단량체.
- 제1항에 있어서, 제3 scFv 도메인이 PD-L1에 대한 결합 특이성을 가지는, 사중-특이적 항체 단량체.
- 제1항에 있어서, 제1 scFv 도메인이 CD19에 대한 결합 특이성을 가지며, 제2 scFv 도메인이 CD3에 대한 결합 특이성을 가지고, Fab 도메인이 4-1BB 또는 CD137에 대한 결합 특이성을 가지며, 제3 scFv 도메인이 PD-L1에 대한 결합 특이성을 가지는, 사중-특이적 항체 단량체.
- 제1항에 있어서, 제1 scFv 도메인, 제2 scFv 도메인 또는 제3 scFv 도메인이 gly-gly-gly-gly-ser (G4S)n 링커를 포함하며, 여기서 n이 2, 3 또는 4인, 사중-특이적 항체 단량체.
- 제1항에 있어서, 서열 번호 37 내지 40에 대해 퍼센트 상동성(percentage homology)을 가지는 아미노산 서열을 포함하며, 여기서 퍼센트 상동성이 98% 이상인, 사중-특이적 항체 단량체.
- 서열 번호 2, 4, 6, 8, 10, 12, 26, 28, 30, 32에 대해 퍼센트 상동성을 가지는 아미노산 서열을 포함하며, 여기서 퍼센트 상동성이 98% 이상인, scFv 도메인.
- 제1항의 사중-특이적 항체 단량체의 Fab 도메인으로서, 서열 번호 1 내지 12, 26 내지 32에 대해 퍼센트 상동성을 가지는 아미노산 서열을 포함하며, 여기서 퍼센트 상동성이 90% 이상인, Fab 도메인.
- 제1항의 사중-특이적 항체 단량체를 포함하는, 사중-특이적 항체.
- 제13항에 있어서, 서열 번호 38 및 40에 대해 퍼센트 상동성을 가지는 아미노산 서열을 포함하며, 여기서 퍼센트 상동성이 98% 이상인, 사중-특이적 항체.
- 서열 번호 37 및 39에 대해 퍼센트 상동성을 가지는 아미노산 서열을 암호화하며, 여기서 퍼센트 상동성이 98% 이상인, 단리된 핵산 서열.
- 제15항의 단리된 핵산 서열을 포함하는, 발현 벡터.
- 제15항의 단리된 핵산 서열을 포함하는 숙주 세포로서, 원핵 세포 또는 진핵 세포인, 숙주 세포.
- 사중-특이적 항체 또는 단량체를 생산하는 방법으로서,
사중-특이적 항체 또는 단량체를 암호화하는 DNA 서열이 발현되도록 단리된 핵산 서열을 포함하는 숙주 세포를 배양하는 단계, 및
상기 사중-특이적 항체를 정제하는 단계를 포함하며,
여기서 단리된 핵산 서열이 서열 번호 37 내지 40에 대해 퍼센트 상동성을 가지는 아미노산을 암호화하고, 여기서 퍼센트 상동성이 98% 이상인, 방법. - 암을 치료 또는 예방하는 방법으로서, 상기 방법이 제13항의 정제된 사중-특이적 항체를 포함하는 약제학적 조성물을 투여하는 단계를 포함하는, 방법.
- 링커를 통해 제13항의 사중-특이적 항체와 연결된 세포독성제 또는 영상화제를 포함하는 면역-컨쥬게이트(immuno-conjugate)로서, 링커가 에스테르 결합, 에테르 결합, 아미드 결합, 디설피드 결합, 이미드 결합, 설폰 결합, 포스페이트 결합, 인 에스테르 결합, 펩타이드 결합, 소수성 폴리(에틸렌 글리콜) 링커, 또는 이들의 조합을 포함하는, 면역-컨쥬게이트.
- 제20항에 있어서, 세포독성제가 화학요법제, 성장 저해제, 칼리케아미신(calicheamicin)계의 세포독성제, 항유사분열(antimitotic)제, 독소(toxin), 방사성 동위원소, 독소, 치료제, 또는 이들의 조합인, 면역-컨쥬게이트.
- 약학적으로 허용가능한 담체 및 제13항의 사중-특이적 항체, 제20항의 면역-컨쥬게이트 중 하나, 또는 이들 둘 다를 포함하는, 약제학적 조성물.
- 제22항에 있어서, 방사성 동위원소, 방사성핵종(radionuclide), 독소, 항체, 효소, 화학요법제 또는 이들의 조합으로부터 선택된 치료제를 추가로 포함하는, 약제학적 조성물.
- 제13항에 따른 사중-특이적 항체의 유효량을 인간 대상체에게 투여하는 단계를 포함하는, 암을 가진 인간 대상체를 치료하는 방법.
- 제24항에 있어서, 유효량의 치료제를 동시-투여하는 단계를 추가로 포함하며, 여기서 치료제가 항체, 화학요법제, 효소, 항-에스트로겐제, 티로신 키나아제 수용체 저해제, 키나아제 저해제, 세포 주기 저해제, 체크포인트(check point) 저해제, DNA, RNA, 또는 단백질 합성 저해제, RAS 저해제, PD1, PD-L1, CTLA4, 4-1BB, OX40, GITR, ICOS, LIGHT, TIM3, LAG3, TIGIT, CD40, CD27, HVEM, BTLA, VISTA, B7H4, CSF1R, NKG2D, CD73, CD3, CD19의 저해제 또는 이들의 조합을 포함하는, 방법.
- 유효 농도의 제13항의 사중-특이적 항체를 포함하는 용액으로서, 인간 대상체의 혈장인, 용액.
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| CN114502203B (zh) * | 2019-11-06 | 2024-07-19 | 成都百利多特生物药业有限责任公司 | 制导和导航控制蛋白及其制备和使用方法 |
| EP4097135A4 (en) * | 2020-01-31 | 2024-07-03 | Gensun Biopharma Inc. | Bispecific t cell engagers |
| TWI874613B (zh) * | 2020-03-17 | 2025-03-01 | 美商西雅圖免疫公司 | 微型導引和導航控制(miniGNC)類抗體蛋白及其製造和使用方法 |
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| JP2024523838A (ja) * | 2021-06-09 | 2024-07-02 | シャンハイ エピムアブ バイオセラピューティクス カンパニー リミテッド | Ox40及び/又はpd-l1に結合する抗体及び二重特異性結合タンパク質 |
| TWI833244B (zh) * | 2021-06-18 | 2024-02-21 | 大陸商和鉑醫藥(上海)有限責任公司 | 一種雙抗組合及其應用 |
| JP2025512953A (ja) * | 2022-04-11 | 2025-04-22 | アストラゼネカ・アクチエボラーグ | T細胞結合タンパク質 |
| WO2024160721A1 (en) | 2023-01-30 | 2024-08-08 | Kymab Limited | Antibodies |
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| IL271260A (en) | 2020-01-30 |
| CN117946277A (zh) | 2024-04-30 |
| CN110799540B (zh) | 2024-02-13 |
| JP2024105268A (ja) | 2024-08-06 |
| JP7474193B2 (ja) | 2024-04-24 |
| RU2020102663A (ru) | 2021-07-27 |
| NZ760935A (en) | 2024-11-29 |
| CN110799540A (zh) | 2020-02-14 |
| EP3645048A4 (en) | 2021-06-16 |
| CA3068049A1 (en) | 2019-01-03 |
| IL271260B1 (en) | 2026-02-01 |
| RU2020102663A3 (ko) | 2022-04-06 |
| WO2019005640A2 (en) | 2019-01-03 |
| CN117946278A (zh) | 2024-04-30 |
| AU2018295119B2 (en) | 2024-10-03 |
| JP7685095B2 (ja) | 2025-05-28 |
| SG11201912865VA (en) | 2020-01-30 |
| JP2020530306A (ja) | 2020-10-22 |
| US20200157224A1 (en) | 2020-05-21 |
| AU2018295119A1 (en) | 2020-02-06 |
| WO2019005640A3 (en) | 2019-02-07 |
| EP3645048A2 (en) | 2020-05-06 |
| KR102838340B1 (ko) | 2025-07-24 |
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