KR102527160B1 - 예정 사멸 1(pd-1)에 대한 신규한 단일클론성 항체 - Google Patents
예정 사멸 1(pd-1)에 대한 신규한 단일클론성 항체 Download PDFInfo
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- KR102527160B1 KR102527160B1 KR1020217020495A KR20217020495A KR102527160B1 KR 102527160 B1 KR102527160 B1 KR 102527160B1 KR 1020217020495 A KR1020217020495 A KR 1020217020495A KR 20217020495 A KR20217020495 A KR 20217020495A KR 102527160 B1 KR102527160 B1 KR 102527160B1
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Abstract
Description
도 2는 1차 돌연변이유발 라이브러리 스크린(library screen)으로부터의 결과를 나타낸다. 높은 친화도 상에서 서열 및 분석 돌연변이가 2차 돌연변이를 위해 클론화된다.
도 3은 FACS로 시험된 교차-종(cross-species)의 결과를 나타낸다. 도 3A는 인간 PD-1 형질감염된 CHO-S 세포에 대한 결합을 나타낸다. 도 3B는 마우스 PD-1 형질감염된 293F 세포에 대한 결합을 나타낸다. 도 3C는 활성화된 사이노몰거스(cynomolgus) PBMC에 대한 결합을 나타낸다. 주석: 동형(isotype)은 인간 IgG4 카파(kappa)이었다. 하기에서도 동일하다.
도 4는 ELISA로 시험된 교차-종의 결과를 나타낸다. 도 4A는 인간 PD-1에 대한 결합을 나타낸다. 도 4B는 마우스 PD-1에 대한 결합을 나타낸다. 도 4C는 사이노몰거스 PD-1에 대한 결합을 나타낸다.
도 5는 교차-과 시험의 결과를 나타낸다. 항-PD-1 항체는 인간 PD-1에 특이적으로 결합하고, CD28 및 CTLA-4에는 결합하지 않는다.
도 6A는 PD-1 형질감염된 CHO-S 세포에 대한 인간 PD-L1 결합을 차단하는 항-PD-1 항체의 결과를 나타낸다. 도 6B는 PD-1 형질감염된 293F 세포에 대한 마우스 PD-L1 결합을 차단하는 항-PD-1 항체의 결과를 나타낸다.
도 7은 항-PD-1 항체가 PD-1에 대한 인간 PD-L2 결합을 차단할 수 있다는 사실을 나타낸다.
도 8A 및 도 8B는 항-PD-1 항체가 기준(benchmark) 항체와 동일하거나 유사한 에피토프 빈(bin)에 존재함을 시사하는 에피토프 비닝 분석(epitope binning assay)의 결과를 나타낸다. 도 8A는 WBP305BMK1(US9084776)에 대한 비닝을 나타낸다. 도 8B는 키트루다(Keytruda)(US8168757)에 대한 비닝을 나타낸다.
도 9는 항-PD-1 항체의 인간/마우스 PD-1과의 교차-반응성을 나타낸다. 각각의 항체 2 μg/mL 를 96-웰 플레이트(well-plate)에 밤새도록 코팅하고 hPD-1/mPD-1-His 단백질과 함께 인큐베이션하고, 이후에, 검출을 위해 HRP-항-His 항체를 첨가하였다.
도 10은 hPD-1 구조 상에 매핑된(mapped) 핫 스팟 잔기(Hot spot residue)를 나타낸다. (A). hPD-L1 결합 부위. 데이터는 문헌 [Zak et al. 2015]로부터 수득하였다. (B-C). 각각 항체 W3052_r16.88.9 및 키트루다의 결합 부위. 데이터는 표 8로부터 수득하였다. 도면 상의 색상들은 에피토프 간의 차이점을 구별하는 데에 도움을 주기 위한 것이다.
도 11은 인간과 뮤린 PD-1 사이의 비교를 나타낸다. 이들의 명백한 구조적 차이점(BC 고리 및 C'D 고리(또는 mPD-1 상의 C'' 가닥))을 주황색으로 표시하였다. (A). hPD-1의 구조(PDB 코드 4ZQK). 없어진 고리(missing loop)(Asp85-Asp92)를 이의 NMR 구조(PDB 코드 2M2D)에 기반하여 개조하였다. (B) mPD-1의 구조(PDB 코드 3BIK).
도 12A 내지 12C는 항-PD-1 항체가 인간 CD4+ T 세포의 기능을 강화할 수 있음을 입증하는 인간 동종 림프구 혼합 배양 반응(allo-MLR)의 결과를 나타낸다. 도 12A는 항-PD-1 항체가 IL-2 분비를 용량-의존적 방식으로 증가시킴을 나타낸다. 도 12B는 항-PD-1 항체가 IFN-γ 분비를 용량-의존적 방식으로 증가시킴을 나타낸다. 도 12C는 항-PD-1 항체가 CD4+ T 세포 증식을 용량-의존적 방식으로 증가시킴을 나타낸다.
도 13A 내지 13C는 항-PD-1 항체가 마우스 CD4+ T 세포의 기능을 강화할 수 있음을 입증하는 마우스 동종 림프구 혼합 배양 반응의 결과를 나타낸다. 도 13A는 항-PD-1 항체가 IL-2 분비를 용량-의존적 방식으로 증가시킴을 나타낸다. 도 13B는 항-PD-1 항체가 IFN-γ 분비를 용량-의존적 방식으로 증가시킴을 나타낸다. 도 13C는 항-PD-1 항체가 CD4+ T 세포 증식을 용량-의존적 방식으로 증가시킴을 나타낸다.
도 14A 및 14B는 항-PD-1 항체가 인간 CD4+ T 세포의 기능을 강화할 수 있음을 입증하는 인간 동종 림프구 혼합 배양 반응의 결과를 나타낸다. 도 14A는 항-PD-1 항체가 IFN-γ 분비를 용량-의존적 방식으로 증가시킴을 나타낸다. 도 14B는 항-PD-1 항체가 CD4+ T 세포 증식을 용량-의존적 방식으로 증가시킴을 나타낸다.
도 15는 항-PD-1 항체가 Treg의 억제적인 기능을 역전시킬 수 있음을 입증한다. 도 15A는 항-PD-1 항체가 IFN-γ 분비를 회복시킬 수 있음을 나타낸다. 도 15B는 항-PD-1 항체가 T-세포 증식을 회복시킬 수 있음을 나타낸다.
도 16은 항-PD-1 항체가 활성화된 CD4+ T 세포 상에서 ADCC 활성을 조정하지 않음을 입증하는 ADCC 시험의 결과를 나타낸다.
도 17은 항-PD-1 항체가 활성화된 CD4+ T 세포 상에서 CDC 활성을 조정하지 않음을 입증하는 CDC 시험의 결과를 나타낸다.
도 18은 2E5 처리 후 동계의(syngeneic) 종양 누드 마우스 모델에서의 체중 변화를 나타낸다. 데이터 지점은 평균 체중을 나타내고; 오차 바(bar)는 표준 오차(SEM)을 나타낸다.
도 19는 상대적 중량 변화를 나타낸다(%). 체중에서의 상대적 변화를 투여 시작 시의 체중에 기반하여 계산하였다. 데이터 지점은 평균 체중을 나타내고; 오차 바는 표준 오차(SEM)를 나타낸다.
도 20은 2E5 처리 후 클라우드만S91(CloudmanS91) 동계의 종양 누드 마우스 모델에서의 종양 성장 곡선을 나타낸다. 데이터 지점은 평균 체중을 나타내고; 오차 바는 표준 오차(SEM)를 나타낸다.
도 21은 2E5 처리 후 클라우드만S91(CloudmanS91) 동계의 종양 누드 마우스 모델에서의 생존 곡선을 나타낸다.
Claims (34)
- 항체 또는 이의 항원 결합 단편을 포함하는 숙주 세포로서, 상기 항체 또는 이의 항원 결합 단편이 다음 특징 중 하나 이상을 포함하는, 단리된 숙주 세포:
a. 서열번호 24의 35번, 64번, 82번, 83번, 128번, 129번, 130번, 131번 및 132번 아미노산을 포함하는 PD-1의 에피토프에 결합함;
b. 서열번호 1 및 2로 구성된 군으로부터 선택되는 아미노산 서열을 갖는 중쇄의 가변 영역 및 서열번호 3, 4, 5, 6, 7, 8 및 9로 구성된 군으로부터 선택되는 아미노산 서열을 갖는 경쇄의 가변 영역을 포함하고, PD-1에 특이적으로 결합함; 및
c. CDR1, CDR2, 및 CDR3 서열을 포함하는 중쇄 가변 영역 및 CDR1, CDR2, 및 CDR3 서열을 포함하는 경쇄 가변 영역을 포함하되, 상기 중쇄 가변 영역 CDR1 서열이 서열번호 10의 아미노산 서열을 포함하고, 중쇄 가변 영역 CDR2 서열이 서열번호 11의 아미노산 서열을 포함하고, 중쇄 가변 영역 CDR3 서열이 서열번호 12 및 13으로 구성된 군으로부터 선택된 서열을 포함하고, 경쇄 가변 영역 CDR1 서열이 서열번호 14, 15, 16, 17 및 18로 구성된 군으로부터 선택된 서열을 포함하고, 경쇄 가변 영역 CDR2 서열이 서열번호 19의 아미노산 서열을 포함하고, 경쇄 가변 영역 CDR3 서열이 서열번호 20, 21, 22 및 23으로 구성된 군으로부터 선택된 서열을 포함하고, PD-1에 특이적으로 결합함. - 제1항에 있어서, 숙주 세포가 포유동물 세포인, 단리된 숙주 세포.
- 제2항에 있어서, 포유동물 세포가 원숭이 신장 세포, 인간 배아 신장 세포, 햄스터 신장 세포, 개 신장 세포, 중국 햄스터 난소(CHO) 세포, 마우스 세포, 및 인간 폐 세포로 구성된 군으로부터 선택되는, 단리된 숙주 세포.
- 제3항에 있어서, 세포가 중국 햄스터 난소 (CHO) 세포인, 단리된 숙주 세포.
- 제3항에 있어서, 세포가 인간 배아 신장 293F 세포인, 단리된 숙주 세포.
- 항체 또는 이의 항원 결합 단편을 생산하는 방법으로서, 상기 방법이:
a. 상기 항체 또는 이의 항원 결합 단편을 인코딩하는 핵산 분자를 포함하는 발현 벡터를 숙주 세포에 도입하는 단계;
b. 상기 숙주 세포를 배양하는 단계; 및
c. 상기 항체 또는 이의 항원 결합 단편을 단리하는 단계를 포함하고,
상기 항체 또는 이의 항원 결합 단편이 다음 특징 중 하나 이상을 포함하는, 방법:
i) 서열번호 24의 35번, 64번, 82번, 83번, 128번, 129번, 130번, 131번 및 132번 아미노산을 포함하는 PD-1의 에피토프에 결합함;
ⅱ) 서열번호 1 및 2로 구성된 군으로부터 선택되는 아미노산 서열을 갖는 중쇄의 가변 영역 및 서열번호 3, 4, 5, 6, 7, 8 및 9로 구성된 군으로부터 선택되는 아미노산 서열을 갖는 경쇄의 가변 영역을 포함하고, PD-1에 특이적으로 결합함; 및
ⅲ) CDR1, CDR2, 및 CDR3 서열을 포함하는 중쇄 가변 영역 및 CDR1, CDR2, 및 CDR3 서열을 포함하는 경쇄 가변 영역을 포함하되, 상기 중쇄 가변 영역 CDR1 서열이 서열번호 10의 아미노산 서열을 포함하고, 중쇄 가변 영역 CDR2 서열이 서열번호 11의 아미노산 서열을 포함하고, 중쇄 가변 영역 CDR3 서열이 서열번호 12 및 13으로 구성된 군으로부터 선택된 서열을 포함하고, 경쇄 가변 영역 CDR1 서열이 서열번호 14, 15, 16, 17 및 18로 구성된 군으로부터 선택된 서열을 포함하고, 경쇄 가변 영역 CDR2 서열이 서열번호 19의 아미노산 서열을 포함하고, 경쇄 가변 영역 CDR3 서열이 서열번호 20, 21, 22 및 23으로 구성된 군으로부터 선택된 서열을 포함하고, PD-1에 특이적으로 결합함. - 제6항에 있어서, 도입 단계가 발현 벡터의 숙주 세포로의 형질감염을 포함하는, 방법.
- 제6항 또는 제7항에 있어서, 단리 단계가 항체 또는 이의 항원 결합 단편의 정제를 포함하는, 방법.
- 제8항에 있어서, 정제 단계가 크로마토그래피를 포함하는, 방법.
- 제9항에 있어서, 정제 단계가 친화성 크로마토그래피를 포함하는, 방법.
- 제10항에 있어서, 친화성 크로마토그래피가 단백질 A 친화성 크로마토그래피를 포함하는, 방법.
- 항체 또는 이의 항원 결합 단편을 인코딩하는 핵산 분자를 포함하는 발현 벡터로서, 상기 항체 또는 이의 항원 결합 단편이 다음 특징 중 하나 이상을 포함하는, 발현 벡터:
i) 서열번호 24의 35번, 64번, 82번, 83번, 128번, 129번, 130번, 131번 및 132번 아미노산을 포함하는 PD-1의 에피토프에 결합함;
ⅱ) 서열번호 1 및 2로 구성된 군으로부터 선택되는 아미노산 서열을 갖는 중쇄의 가변 영역 및 서열번호 3, 4, 5, 6, 7, 8 및 9로 구성된 군으로부터 선택되는 아미노산 서열을 갖는 경쇄의 가변 영역을 포함하고, PD-1에 특이적으로 결합함; 및
ⅲ) CDR1, CDR2, 및 CDR3 서열을 포함하는 중쇄 가변 영역 및 CDR1, CDR2, 및 CDR3 서열을 포함하는 경쇄 가변 영역을 포함하되, 상기 중쇄 가변 영역 CDR1 서열이 서열번호 10의 아미노산 서열을 포함하고, 중쇄 가변 영역 CDR2 서열이 서열번호 11의 아미노산 서열을 포함하고, 중쇄 가변 영역 CDR3 서열이 서열번호 12 및 13으로 구성된 군으로부터 선택된 서열을 포함하고, 경쇄 가변 영역 CDR1 서열이 서열번호 14, 15, 16, 17 및 18로 구성된 군으로부터 선택된 서열을 포함하고, 경쇄 가변 영역 CDR2 서열이 서열번호 19의 아미노산 서열을 포함하고, 경쇄 가변 영역 CDR3 서열이 서열번호 20, 21, 22 및 23으로 구성된 군으로부터 선택된 서열을 포함하고, PD-1에 특이적으로 결합함. - 제12항에 있어서, 핵산 분자가 프로모터에 작동 가능하게 연결되는, 발현 벡터.
- 제13항에 있어서, 프로모터가 바이러스 프로모터를 포함하는, 발현 벡터.
- 제13항 및 제14항 중 어느 한 항에 있어서, 벡터가 CMV 프로모터를 포함하는, 발현 벡터.
- 제12항 내지 제14항 중 어느 한 항에 있어서, 벡터가 플라스미드, 및 동물 바이러스로 구성된 군으로부터 선택되는, 발현 벡터.
- 제12항 내지 제14항 중 어느 한 항에 있어서, 벡터가 세포로의 진입을 돕는 물질을 추가로 포함하는, 발현 벡터.
- 삭제
- 제12항 내지 제14항 중 어느 한 항에 따른 발현 벡터를 포함하는 단리된 숙주 세포.
- 제19항에 있어서, 세포가 일차 세포인, 단리된 숙주 세포.
- 제20항에 있어서, 일차 세포가 면역 세포인, 단리된 숙주 세포.
- 제21항에 있어서, 세포가 CHO 세포인, 단리된 숙주 세포.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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RU (1) | RU2757316C2 (ko) |
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AU2017355401A1 (en) | 2016-11-02 | 2019-05-02 | Jounce Therapeutics, Inc. | Antibodies to PD-1 and uses thereof |
HUE058233T2 (hu) | 2017-08-03 | 2022-07-28 | Amgen Inc | Interleukin-21-muteinek és kezelési eljárások |
CN111727197A (zh) | 2018-01-12 | 2020-09-29 | 美国安进公司 | 抗pd-1抗体和治疗方法 |
WO2019204132A1 (en) * | 2018-04-15 | 2019-10-24 | Biosion Inc. | Antibodies binding pd-1 and uses thereof |
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CN109160949B (zh) * | 2018-07-23 | 2021-05-14 | 中国医学科学院血液病医院(血液学研究所) | 一种鼠抗人pd-1单克隆抗体及应用 |
KR20220003567A (ko) * | 2019-04-26 | 2022-01-10 | 우시 바이올로직스 아일랜드 리미티드 | Pd-1 및 lag-3에 대한 이중특이적 항체 |
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WO2021057836A1 (en) * | 2019-09-25 | 2021-04-01 | Wuxi Biologics (Shanghai) Co. Ltd. | Novel anti-pd-l1 antibodies |
US20220387417A1 (en) * | 2019-11-11 | 2022-12-08 | Cstone Pharmaceuticals (Suzhou) Co., Ltd. | Pharmaceutical Combination and Use Thereof |
WO2021110122A1 (zh) * | 2019-12-05 | 2021-06-10 | 基石药业(苏州)有限公司 | Cdk4/6抑制剂的组合疗法 |
CA3191749A1 (en) * | 2020-08-31 | 2022-03-03 | Biosion Inc. | Pd-1 binding antibodies and uses thereof |
CN114316022A (zh) * | 2020-09-30 | 2022-04-12 | 正大天晴康方(上海)生物医药科技有限公司 | 结合pd-1抗体的肽及其应用 |
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WO2023057882A1 (en) | 2021-10-05 | 2023-04-13 | Pfizer Inc. | Combinations of azalactam compounds with a pd-1 axis binding antagonist for the treatment of cancer |
WO2023079428A1 (en) | 2021-11-03 | 2023-05-11 | Pfizer Inc. | Combination therapies using tlr7/8 agonist |
CN116036266A (zh) * | 2022-12-28 | 2023-05-02 | 广州誉衡生物科技有限公司 | 抗-pd-1抗体及其在制备治疗结肠癌患者的药物中的用途 |
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RU2019111277A (ru) | 2020-10-23 |
RU2757316C2 (ru) | 2021-10-13 |
AU2016423559A1 (en) | 2019-04-04 |
EP3515938A1 (en) | 2019-07-31 |
WO2018053709A1 (en) | 2018-03-29 |
SA519401370B1 (ar) | 2024-02-27 |
AU2016423559C1 (en) | 2020-11-19 |
US20230014722A1 (en) | 2023-01-19 |
JP2021120378A (ja) | 2021-08-19 |
CA3037407A1 (en) | 2018-03-29 |
IL265525A (en) | 2019-05-30 |
JP7101169B2 (ja) | 2022-07-14 |
CA3037407C (en) | 2022-10-18 |
FI3515938T3 (fi) | 2025-03-27 |
EP4450616A2 (en) | 2024-10-23 |
KR20190072524A (ko) | 2019-06-25 |
US20200002420A1 (en) | 2020-01-02 |
MX2019003058A (es) | 2019-11-28 |
RU2019111277A3 (ko) | 2020-10-23 |
JP2019536432A (ja) | 2019-12-19 |
EP3515938A4 (en) | 2020-06-10 |
US20240101676A1 (en) | 2024-03-28 |
EP4450616A3 (en) | 2025-01-01 |
KR20210104749A (ko) | 2021-08-25 |
US11414487B2 (en) | 2022-08-16 |
EP3515938B1 (en) | 2025-01-08 |
KR102273634B1 (ko) | 2021-07-07 |
BR112019005316A2 (pt) | 2019-09-03 |
AU2016423559B2 (en) | 2020-07-30 |
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