KR20170090495A - Cs1 표적화된 키메라 항원 수용체-변형된 t 세포 - Google Patents
Cs1 표적화된 키메라 항원 수용체-변형된 t 세포 Download PDFInfo
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Abstract
Description
도 2는 신호 펩티드, 리보솜 스킵 서열 및 EGFRt를 포함하는 CS1 CAR의 아미노산 서열 (서열식별번호: 29)을 도시한 것이다.
도 3은 CS1 CAR 재지정된 Tcm이 MM 세포에 대하여 세포독성을 나타냈다는 것을 보여주는 연구 결과를 도시한 그래프 쌍이다. 51Cr-표지된 표적 세포와 공동 배양한 후, 증식된 CS1 CAR T 세포의 세포독성을 4-시간 51Cr 방출 검정법을 사용하여 평가하였다. LCL을 발현하는 OKT3은 모든 TCR을 인게이징(engage)하는 바, 이에 양성 대조군으로서 사용하였고, CS1-음성 AML 세포 (KG1a)는 음성 대조군으로서 사용하였다. 조작되지 않은 모의 T 세포가 아닌, CS1 CAR T 세포는 MM 세포에 대하여 특이적인 세포독성을 나타내었다.
도 4는 CS1 CAR 재지정된 Tcm 세포가 MM 세포의 자극에 대한 반응으로 이펙터 기능을 나타내었다는 것을 보여주는 연구 결과를 도시한 것이다. CS1 CAR T 세포 (105)를 자극인자로서 105개의 MM.1S와 함께 96-웰 조직 배양 플레이트 중에서 6시간 동안 공동 배양하였다. 107a 탈과립화 및 세포내 IFN감마 생산을 유세포 분석법으로 분석하였다. 얼비툭스(Erbitux)에 의해 확인된 대다수의 CAR T 세포는 MM 세포와의 인게이징 이후에 탈과립화를 유도하였고, 항원 자극에 대한 반응으로 IFN감마 양성 세포가 검출되었다.
도 5는 CS1 CAR 재지정된 Tcm 세포가 생체내에서 다발성 골수종를 근절시킨다는 것을 보여주는 연구 결과를 도시한 것이다. 대략 2x106개의 반딧불이 루시페라제 발현 MM.1S 세포를 경골내 주사에 의해 NSG 마우스 내로 접종하였다. 종양 접종 후 7일이 경과하였을 때, 1x106개의 CS-1 CAR T 세포를 정맥내 주사에 의해 종양을 보유하는 마우스에 주입하였다. 제노겐(Xenogen)® 영상화를 이용하여 종양 부담을 주 1회에 걸쳐 모니터링하였다. 조작되지 않은 세포를 받은 마우스가 대조군으로서 사용되었다. CS1 CAR T 세포는 T 세포 주입 후 제14일에 MM 종양을 완전히 근절시킨 반면, 조작되지 않은 T 세포는 종양 억제에 대하여 어떤 영향도 미치지 않았다.
도 6은 CS1scFv-IgG4(HL-CH3)-CD4tm-41BB-제타-T2A-EGFRt의 아미노산 서열 (서열식별번호: 32)을 도시한 것이다.
도 7은 CS1scFv-IgG4(L235E,N297Q)-CD4tm-41BB-제타-T2A-EGFRt의 아미노산 서열 (서열식별번호: 35)을 도시한 것이다.
도 8은 CS1scFv-IgG4(L235E, N297Q)-CD28tm-CD28gg-제타-T2A-EGFRt의 아미노산 서열 (서열식별번호: 38)을 도시한 것이다.
도 9는 CS1scFv-링커-CD4tm-41BB-제타-T2A-EGFRt의 아미노산 서열 (서열식별번호: 41)을 도시한 것이다.
도 10은 CS1scFv-링커-CD28tm-CD28gg-제타-T2A-EGFRt의 아미노산 서열 (서열식별번호: 44)을 도시한 것이다.
도 11은 CS1scFv-IgG4(HL-CH3)-CD28gg-제타-T2A-EGFRt_epHIV7의 완전한 뉴클레오티드 서열 (서열식별번호: 47)이다.
도 12는 CS1 CAR 재지정된 Tcm 세포가 생체내에서 다발성 골수종을 근절시킨다는 것을 보여주는 연구 결과를 도시한 것이다. 제-7일에 2x106개의 GFPffluc+ MM.1S 세포를 경골내 주사를 통해 NSG 마우스 내로 접종하였다. 제0일에, 1x106개의 중앙 기억 T 세포 (Tcm) 유래의 CS1 CAR+ T 세포를 정맥내로 종양을 보유하는 마우스 내에 주입하였다. 어떤 T 세포도 받지 못하였거나, 또는 같은 공여자로부터의 Tcm이 형질도입되지 않은 마우스가 음성 대조군으로서 사용되었다. 생체광자 영상화에 의해 종양 신호를 모니터링하였다. 여러 마우스로부터의 광자/sec의 평균±SEM이 제시되어 있다. CAR은 도 2 (CH2 CD28); 도 6 (CH2 4IBB); 도 8 (EQ CD28); 도 7 (EQ 4IBB); 도 10 (L CD28) 및 도 9 (L CD4 IBB)의 것이었다.
Claims (79)
- CS1 scFv; 임의적 스페이서 영역; 막횡단 도메인; 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 키메라 항원 수용체를 코딩하는 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체가 공동-신호전달 도메인과 CD3ζ 신호전달 도메인 사이에 위치하는 1 내지 15개의 아미노산의 링커 서열을 추가로 포함하는 것인 핵산 분자.
- 제1항에 있어서, 공동-신호전달 도메인이 CD28 공동-신호전달 도메인 및 4-IBB 공동-신호전달 도메인으로부터 선택되는 것인 핵산 분자.
- 제1항에 있어서, 막횡단 도메인이 CD28 막횡단 도메인 및 CD4 막횡단 도메인으로부터 선택되는 것인 핵산 분자.
- 제1항에 있어서, CS1 scFv가 서열식별번호(SEQ ID NO): 1의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제2항에 있어서, 링커 서열이 3-10개의 연속적인 Gly를 포함하거나, 또는 그로 이루어진 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 IgG 불변 영역 또는 힌지 영역의 적어도 10개의 인접하는 아미노산을 포함하는 것인 핵산 분자.
- 제7항에 있어서, IgG가 IgG4인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 IgG4 CD3 도메인을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 IgG4 Fc 도메인 또는 그의 변이체를 포함하는 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 4-12개의 아미노산을 포함하거나, 또는 그로 이루어진 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 서열 ESKYGPPCPPCPGGGSSGGGSG 및 서열 GGGSSGGGSG로 이루어진 군으로부터 선택되는 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 a) IgG4 Fc 도메인; b) IgG4 힌지 영역, 링커 서열, 및 IgG4 CH3 도메인; 및 c) 링커 서열로 이루어진 군으로부터 선택되는 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 서열식별번호: 2-12 중 임의의 것의 아미노산 서열을 포함하는 스페이서 영역으로부터 선택되는 것인 핵산 분자.
- 제1항에 있어서, IgG4 Fc 힌지 영역이 서열식별번호: 3 또는 4의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제3항에 있어서, CD28 공동-신호전달 도메인이 서열식별번호: 22 또는 23의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제3항에 있어서, 4-1BB 공동-신호전달 도메인이 서열식별번호: 24의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, CD3ζ 신호전달 도메인이 서열식별번호: 21의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, CD28 막횡단 도메인이 서열식별번호: 14 또는 15를 포함하는 것인 핵산 분자.
- 제1항에 있어서, CD4 막횡단 도메인이 서열식별번호: 16을 포함하는 것인 핵산 분자.
- 제1항에 있어서, CD3ζ 신호전달 도메인이 서열식별번호: 21의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 핵산 분자.
- 제22항에 있어서, 키메라 항원 수용체가 CD28 공동-신호전달 도메인과 CD3ζ 신호전달 도메인 사이에 위치하는 링커 아미노산 서열을 포함하는 것인 핵산 분자.
- 제23항에 있어서, 링커 아미노산 서열이 GlyGlyGly인 핵산 분자.
- 제1항에 있어서, 스페이서가 IgG4 힌지 영역, 링커 서열 및 IgG4 CH3 도메인을 포함하는 것인 핵산 분자.
- 제22항에 있어서, IgG4 힌지 영역이 서열식별번호: 6을 포함하는 것인 핵산 분자.
- 제22항에 있어서, 링커 서열이 서열식별번호: 7을 포함하는 것인 핵산 분자.
- 제22항에 있어서, IgG4 CH3 도메인이 서열식별번호: 8을 포함하는 것인 핵산 분자.
- 제22항에 있어서, 링커 영역이 서열식별번호: 25를 포함하는 것인 핵산 분자.
- 제22항에 있어서, 키메라 항원 수용체가 서열식별번호: 1의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체가 서열식별번호: 1과 90% 또는 95% 동일한 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체를 코딩하는 서열이 신호 서열을 코딩하는 핵산 서열 바로 뒤에 있는 것인 핵산 분자.
- 제32항에 있어서, 신호 서열이 서열식별번호: 4를 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체가 CS1 scFv; 힌지/링커 영역; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 핵산 분자.
- 제34항에 있어서, 키메라 항원 수용체가 4-1BB 공동-신호전달 도메인과 CD3ζ 신호전달 도메인 사이에 위치하는 링커 아미노산 서열을 포함하는 것인 핵산 분자.
- 제35항에 있어서, 링커 아미노산 서열이 GlyGlyGly인 핵산 분자.
- 제34항에 있어서, 힌지/링커 영역이 IgG4 힌지 영역, 링커 서열 및 IgG4 CH3 도메인을 포함하는 것인 핵산 분자.
- 제34항에 있어서, IgG4 힌지 영역이 서열식별번호: 3 또는 4를 포함하는 것인 핵산 분자.
- 제34항에 있어서, 스페이서 서열이 서열식별번호: 2를 포함하는 것인 핵산 분자.
- 제1항에 있어서, 스페이서가 서열식별번호: 9-12로부터 선택되는 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 스페이서 영역이 서열식별번호: 2-12로부터 선택되는 아미노산 서열을 포함하는 것인 핵산 분자.
- 제34항에 있어서, 키메라 항원 수용체가 서열식별번호: 18의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체가 서열식별번호: 29-46 중 임의의 것과 90% 또는 95% 동일한 아미노산 서열을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체를 코딩하는 서열이 신호 서열을 코딩하는 핵산 서열 바로 뒤에 있는 것인 핵산 분자.
- 제44항에 있어서, 신호 서열이 서열식별번호: 26을 포함하는 것인 핵산 분자.
- 제1항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 핵산 분자.
- 제46항에 있어서, 키메라 항원 수용체가 4-1BB 공동-신호전달 도메인과 CD3ζ 신호전달 도메인 사이에 위치하는 링커 아미노산 서열을 포함하는 것인 핵산 분자.
- 제47항에 있어서, 링커 아미노산 서열이 GlyGlyGly인 핵산 분자.
- 제46항에 있어서, 힌지/링커 영역이 IgG4 힌지-CH2-CH3 영역을 포함하는 것인 핵산 분자.
- 제46항에 있어서, IgG4 힌지-CH2-CH3 영역이 서열식별번호: __를 포함하는 것인 핵산 분자.
- 제46항에 있어서, 키메라 항원 수용체가 서열식별번호: __의 아미노산 서열을 포함하는 것인 핵산 분자.
- 제46항에 있어서, 키메라 항원 수용체가 서열식별번호: __와 90% 또는 95% 동일한 아미노산 서열을 포함하는 것인 핵산 분자.
- 제46항에 있어서, 키메라 항원 수용체를 코딩하는 서열이 신호 서열을 코딩하는 핵산 서열 바로 뒤에 있는 것인 핵산 분자.
- 제53항에 있어서, 신호 서열이 서열식별번호: 26을 포함하는 것인 핵산 분자.
- CS1 scFv; 임의적 스페이서 영역; 막횡단 도메인; 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 키메라 항원 수용체를 코딩하는 발현 카세트를 포함하는 벡터에 의해 형질도입된 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 CS1 scFv; 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 CS1 scFv; 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 CS1 scFv; 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 서열식별번호: 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 44 및 45로부터 선택되는 아미노산 서열과 적어도 90% 또는 95% 동일한 아미노산 서열을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 서열식별번호: 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 44 및 45로부터 선택되는 아미노산 서열과 동일한 아미노산 서열을 포함하는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 키메라 항원 수용체가 서열식별번호: 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 44 및 45로부터 선택되는 아미노산 서열과 동일한 아미노산 서열을 포함하고, 각각은 5개 초과의 아미노산 치환을 가지는 것인 인간 T 세포의 집단.
- 제55항에 있어서, 형질도입된 인간 T 세포 중 적어도 20%, 30%, 40%, 50%, 60%, 70% 또는 80%가 중앙 기억 T 세포인 인간 T 세포의 집단.
- 제55항에 있어서, 형질도입된 중앙 기억 T 세포 중 적어도 10% 또는 20%가 CD4+인 인간 T 세포의 집단.
- 제55항에 있어서, 형질도입된 중앙 기억 T 세포 중 적어도 10% 또는 20%가 CD8+인 인간 T 세포의 집단.
- 제55항에 있어서, 형질도입된 중앙 기억 T 세포 중 적어도 10%가 CD4+이고, 적어도 10%가 CD8+인 인간 T 세포의 집단.
- 제55항에 있어서, 형질도입된 인간 T 세포 중 적어도 80%가 CD4+ 또는 CD8+ 및 CD62L+인 인간 T 세포의 집단.
- 암 치료를 필요로 하는 환자에게 제55항 내지 제69항 중 어느 한 항의 인간 T 세포를 포함하는 제약 조성물을 투여하는 단계를 포함하는, 암을 치료하는 방법.
- 제70항에 있어서, 인간 T 세포의 집단이 환자에게 자가유래성인 것인 방법.
- 제70항에 있어서, 인간 T 세포의 집단이 환자에게 동종이계성인 것인 방법.
- 제70항에 있어서, 형질도입된 인간 T 세포가, T 세포를 환자로부터 수득하거나, 또는 환자에게 동종이계성인 T 세포를 수득하는 단계, 수득된 T 세포를 처리하여 CD4+/CD8+ 중앙 기억 T 세포가 강화된 세포 집단을 단리시키는 단계, 및 단리된 세포 집단의 적어도 일부에 CS1 scFv; 스페이서; 막횡단 도메인; 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 키메라 항원 수용체를 코딩하는 발현 카세트를 포함하는 바이러스 벡터를 형질도입하는 단계를 포함하는 방법에 의해 제조되는 것인 방법.
- 제73항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 방법.
- 제73항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 방법.
- 제73항에 있어서, 키메라 항원 수용체가 CS1 scFv; 스페이서; CD 28 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 방법.
- 제73항에 있어서, 키메라 항원 수용체가 CS1 scFv; 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 방법.
- 제73항에 있어서, 키메라 항원 수용체가 CS1 scFv; 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD4 막횡단 도메인; 4-1BB 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 방법.
- 제73항에 있어서, 키메라 항원 수용체가 서열식별번호: 2-5 및 9-12로부터 선택되는 아미노산 서열을 포함하는 스페이서; CD28 막횡단 도메인; CD28 공동-신호전달 도메인; 및 CD3ζ 신호전달 도메인을 포함하는 것인 방법.
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