KR100355423B1 - 고역가바이러스제조방법및레트로바이러스의중개에의한포유류세포의고효율형질도입방법 - Google Patents
고역가바이러스제조방법및레트로바이러스의중개에의한포유류세포의고효율형질도입방법 Download PDFInfo
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Abstract
Description
Claims (82)
- 외래유전자를 포유류 표적세포에 고효율로 형질도입시키는 방법에 있어서;A) i) 복제불가능 레트로바이러스 벡터를 패키징하는데 필요한 모든 비리온 단백질을 트랜스요소에서 코드화하는 복제불가능 레트로바이러스 게놈에서 유래된 하나 이상의 레트로바이러스 헬퍼 DNA 서열을 포함하고, 복제가능 헬퍼 바이러스의 생산없이 상기 복제불가능 레트로바이러스 벡터를 패키징할 수 있는 비리온 단백질을 고역가로 생산하는 하나 이상의 레트로바이러스 패키징 플라스미드로서, 상기 레트로바이러스 헬퍼 DNA 서열이 상기 바이러스의 바이러스성 5' LTR의 고유 인핸서 및/또는 프로모터를 코드화하는 영역을 결여하고 있고, 패키징 헬퍼 게놈을 패키징하는데 관여하는 psi 기능서열과 3' LTR을 모두 결여하고 있으며, 선택된 포유류 세포에서 작용하는 외래 인핸서 및/또는 프로모터를 코드화하고, SV40 폴리아데닐화 부위를 갖고 있는, 하나 이상의 레트로바이러스 패키징 플라스미드; 및ii) 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 포유류 세포의 제1집단에서 생산하기 위해 상기 외래유전자를 코딩하는 레트로바이러스 벡터;를 이용하여 바이러스를 생산할 수 있는 상기 포유류 세포의 제1집단을 일시적으로 동시형질감염시키는 단계:B) 상기 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 생산하는 상기 포유류 세포의 제1집단과 포유류 표적세포의 제2집단을 공배양시켜, 상기 외래유전자를 상기 표적세포의 제2집단에 형질도입시킴으로써 상기 외래유전자에 의해 효율적으로 형질도입된 표적세포를 얻는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 1항에서, 상기 표적세포는 임파세포, 인간의 조혈간세포, 섬유아세포, 상피세포, 내피세포, 근원세포, 망막 상피세포, 랑게르한스섬, 부신수질세포, 골아세포, 파골세포, 뉴우런, 신경교세포, 신경절세포, 배아간세포와 간세포로 구성된 집단에서 선택된 것을 특징으로 하는 방법.
- 제 1항에 있어서, 상기 포유류 표적세포의 제2집단이 인간인 것을 특징으로 하는 방법.
- 제 3항에 있어서, 상기 인간의 표적세포가 임파세포인 것을 특징으로 하는 방법.
- 제 4항에 있어서, 상기 임파세포가 T 세포인 것을 특징으로 하는 방법.
- 제 5항에 있어서, 상기 T 세포가 세포독성 T 세포인 것을 특징으로 하는 방법.
- 제 4항에 있어서, 상기 임파세포가 CD8 양성 세포독성 T세포, CD4 양성 T 세포와 종양-침윤성 임파세포로 이루어진 군으로부터 선택되는 것을 특징으로 하는 방법.
- 제 1항에 있어서, 상기 포유류 표적세포의 제2집단이 인간의 조혈간세포인 것을 특징으로 하는 방법.
- 제 1항에 있어서, 상기 포유류 표적세포의 제1집단이 인간의 배아 신장세포인 것을 특징으로 하는 방법.
- 제 9항에 있어서, 상기 인간의 배아신장세포가 293(ATCC No. CRL 1573)세포인 것을 특징으로 하는 방법.
- 제 1도에 도시된 구조를 가지며 ATCC No.75484로 기탁된 것을 특징으로 하는 레트로바이러스 패키징 플라스미드 pIK6.1MMSVampac.
- 제 1도에 도시된 구조를 가지며 ATCC No.75483으로 기탁된 것을 특징으로 하는 레트로바이러스 패키징 플라스미드 pIK6.1MCVampac.
- 제 1도에 도시된 구조를 가지며 ATCC No.75486으로 기탁된 것을 특징으로 하는 레트로바이러스 패키징 플라스미드 pIK6.1gagpolATG.
- 제 1도에 도시된 구조를 가지며 ATCC No.75485로 기탁된 것을 특징으로 하는 레트로바이러스 패키징 플라스미드 pIK6.1amenvATG.
- 제 1항에 있어서, 상기 레트로바이러스 패키징 플라스미드가 제 11, 12, 13 또는 14항의 레트로바이러스 패키징 플라스미드인 것을 특징으로 하는 방법.
- 제 1항에 있어서, 상기 레트로바이러스 게놈이 MMLV, HIV 와 GALV 바이러스로 이루어진 군으로부터 선택된 백혈병 바이러스 게놈인 것을 특징으로 하는 방법.
- 제 16항에 있어서, 상기 외래 인핸서가 인간의 CMV 즉시초기 인핸서이고 상기 프로모터가 고유 MMLV 프로모터인 것을 특징으로 하는 방법.
- 제 16항에 있어서, 상기 외래 인핸서와 프로모터가 인간의 CMV 즉시초기 인핸서와 프로모터인 것을 특징으로 하는 방법.
- 제 16항에 있어서, 상기 외래 인핸서와 프로모터는 MMSV 인핸서와 프로모터인 것을 특징으로 하는 방법.
- 제 1항에 있어서, 레트로바이러스 패키징 플라스미드가 두 개의 레트로 바이러스 헬퍼 DNA 서열을 포함하는 것을 특징으로 하는 방법.
- 제 20항에 있어서, 제1헬퍼 서열이 에코트로픽 MMLV gag 와 pol 단백질을 코딩하며, 제2헬퍼 서열이 제노트로픽, 암포트로픽, 에코트로픽, 폴리트로픽, 10A1 쥐 백혈병 바이러스, GALV, HIV, 소포 구강 바이러스 (VSV) G단백질, 인간의 T 세포 백혈병 (HTLV)타입 I 및 II, env 단백질과 이들의 조합으로 이루어진 군으로부터 선택된 env 단백질을 코딩하는 것을 특징으로 하는 방법.
- 제 1항의 방법에 의해 생산된, 외래유전자에 의해 형질도입된 것을 특징으로 하는 포유류 표적세포.
- 제 22항에 있어서, 상기 세포가 인간세포인 것을 특징으로 하는 표적 세포.
- 제 22항에 있어서, 상기 세포가 임파세포, 인간의 조혈간세포, 섬유아세포, 상피세포, 내피세포, 근원세포, 망막 상피세포, 랑게르한스섬, 부신수질세포, 골아세포, 파골세포, 뉴우런, 신경교세포, 신경절세포, 배아 간세포와 간세포로 이루어진 군으로부터 선택된 것을 특징으로 하는 표적세포.
- 제 1항에 있어서, 상기 외래유전자가 성장인자, 림포카인, 호르몬 및 응집인자로 이루어진 군으로부터 선택되는 것을 특징으로 하는 방법.
- 제 1항에 있어서, 상기 외래유전자가 키메라 T 세포 수용체인 것을 특징으로 하는 방법.
- 제 26항에 있어서, 상기 키메라 T 세포 수용체가,시그날 서열을 코딩하는 서열;하나 이상의 리간드에 특이적으로 결합하는 비-MHC제한형 세포외 표면 막단백질 도메인을 코딩하는 서열;전달막 도메인을 코딩하는 서열; 및세포내 메신저 시스템을 활성화시키는 단백질의 세포질 신호-전달 도메인을 코딩하는 서열:을 리딩 프레임내에 포함하는 DNA 서열에 의해 코딩되는 수용체인 것을 특징으로 하는 방법.
- 제 27항에 있어서, 상기 세포질 도메인이 CD3 제타사슬, CD3 에타사슬, CD3 감마사슬, CD3 델타사슬, CD3 입실론사슬로 이루어진 군으로부터 선택되는 것을 특징으로 하는 방법.
- 제 27항에 있어서, 세포질 도메인이 FcεR1 수용체의 감마사슬인 것을 특징으로 하는 방법.
- 제 29항에 있어서, 상기 세포외 도메인이 CD 항원인 것을 특징으로 하는 방법.
- 제 30항에 있어서, 상기 세포외 도메인이 CD4 또는 CD8인 것을 특징으로 하는 방법.
- 제 27항에 있어서, 상기 세포외 도메인이 단일-사슬 항체 또는 그 일부인 것을 특징으로 하는 방법.
- 제 27항에 있어서, 상기 단일-사슬 항체가 HIV env 당단백질에 대해 특이적인 것을 특징으로 하는 방법.
- 제 27항에 있어서, 상기 세포외 도메인이 HIV env 당단백질에 대해 특이적인 단일-사슬 항체이고 상기 세포질 도메인이 제타인 것을 특징으로 하는 방법.
- 제 27항에 있어서, 상기 키메라 T 세포 수용체는 CD4/제타 수용체인 것을 특징으로 하는 방법.
- 외래유전자를 포유류 표적세포에 고효율로 형질도입시키는 방법에 있어서;A) i) 복제불가능 레트로바이러스 벡터를 패키징하는데 필요한 모든 비리온단백질을 트랜스요소에서 코드화하는 복제불가능 레트로바이러스 게놈에서 유래된 하나 이상의 레트로바이러스 헬퍼 DNA 서열을 포함하고, 복제가능 헬퍼 바이러스의 생산없이 상기 복제불가능 레트로바이러스 벡터를 패키징할 수 있는 비리온 단백질을 고역가로 생산하는 하나 이상의 레트로바이러스 패키징 플라스미드로서, 상기 레트로바이러스 헬퍼 DNA 서열이 상기 바이러스의 바이러스성 5' LTR의 고유 인핸서 및/또는 프로모터를 코드화하는 영역을 결여하고 있고, 패키징 헬퍼 게놈을 패키징하는데 관여하는 psi 기능서열과 3' LTR을 모두 결여하고 있으며, 선택된 포유류 세포에서 작용하는 외래 인핸서 및/또는 프로모터를 코드화하고, SV40 폴리아데닐화 부위를 갖고 있는, 하나 이상의 레트로바이러스 패키징 플라스미드; 및ii) 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 293 세포에서 생산하기 위해 상기 외래유전자를 코딩하는 레트로바이러스 벡터;를 이용하여 293 세포(ATCC No. CRL 1573)를 일시적으로 동시형질감염시키는 단계;B) 상기 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 생산하는 상기 293 세포와 포유류 표적세포의 제2집단을 공배양시켜, 상기 외래유전자를 상기 표적세포의 제2집단에 형질도입시킴으로써 상기 외래유전자에 의해 효율적으로 형질도입된 표적세포를 얻는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 36항에 있어서, 상기 표적세포가 인간의 표적세포인 것을 특징으로 하는 방법.
- 제 37항에 있어서, 상기 인간의 표적세포가 임파세포인 것을 특징으로 하는 방법.
- 제 37항에 있어서, 상기 인간의 표적세포가 조혈간세포인 것을 특징으로 하는 방법.
- 외래유전자를 고효율로 표적세포에 형질도입시키는 방법에 있어서, 선택된 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 생산하는 형질감염된 293 세포와 포유류 표적세포를 공배양하여, 상기 표적세포를 상기 외래유전자에 의해 형질도입시킴으로써 상기 외래유전자에 의해 효율적으로 형질도입된 표적세포를 얻는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 40항에 있어서, 상기 293 세포가 일시적으로 동시형질감염된 것을 특징으로 하는 방법.
- 제 40항에 있어서, 상기 293 세포가 안정하게 형질감염된 것을 특징으로 하는 방법.
- 제 40항에 있어서, 상기 포유류 표적세포가 인간의 세포인 것을 특징으로 하는 방법.
- 제 43항에 있어서, 상기 인간의 세포가 임파세포인 것을 특징으로 하는 방법.
- 제 43항에 있어서, 상기 인간의 세포가 조혈간세포인 것을 특징으로 하는 방법.
- 제 40항에 있어서, 상기 293 세포가,(a) 복제불가능 레트로바이러스 벡터를 패키징하는데 필요한 모든 비리온 단백질을 트랜스요소에서 코드화하는 복제불가능 레트로바이러스 게놈에서 유래된 하나 이상의 레트로바이러스 헬퍼 DNA 서열을 포함하고, 복제가능 헬퍼 바이러스의 생산없이 복제불가능 레트로바이러스 벡터를 패키징할 수 있는 비리온 단백질을 고역가로 생산하는 하나 이상의 레트로바이러스 패키징 플라스미드로서, 상기 레트로 바이러스 헬퍼 DNA 서열이 상기 바이러스의 바이러스성 5' LTS의 고유 인핸서 및/또는 프로모터를 코드화하는 영역을 결여하고 있고, 패키징 헬퍼 게놈을 패키징하는데 관여하는 psi 기능서열과 3' LTR을 모두 결여하고 있으며, 선택된 포유류 세포에서 작용하는 외래 인핸서 및/또는 프로모터를 코드화하고, SV40 폴리아데닐화 부위를 갖고 있는, 하나 이상의 레트로바이러스 패키징 플라스미드; 및(b) 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 293 세포에서 생산하기 위해 상기 외래유전자를 코딩하는 레트로바이러스 벡터;에 의해동시형질감염되는 것을 특징으로 하는 방법.
- 인간세포에서 재조합 레트로바이러스를 고역가로 생산하기 위한 레트로바이러스 패키징 플라스미드에 있어서, 복제불가능 레트로바이러스 벡터를 패키징하는데 필요한 모든 비리온 단백질을 트랜스형으로 코딩하는 복제불가능 레트로바이러스 게놈에서 유래되고, 복제가능 헬퍼 바이러스의 생산없이 복제불가능 레트로바이러스 벡터를 패키징할 수 있는 비리온 단백질을 고역가로 생산하는 하나 이상의 레트로바이러스 헬퍼 DNA 서열을 포함하며, 상기 레트로바이러스 헬퍼 DNA 서열은 상기 바이러스의 바이러스성 5' LTR의 고유 인핸서 및/또는 프로모터를 코드화하는 영역을 결여하고 있고, 패키징 헬퍼 게놈을 패키징하는데 관여하는 psi 기능서열과 3' LTR을 모두 결여하고 있으며, 선택된 포유류 세포에서 작용하는 외래 인핸서 및/또는 프로모터를 코드화하고, SV40 폴리아데닐화 부위를 갖는 것을 특징으로 하는, 몰로니 쥐 백혈병 바이러스(MMLV), 긴팔원숭이 백혈병 바이러스(GALV) 또는 HIV 바이러스를 이용한 레트로바이러스 패키징 플라스미드.
- 제 47항에 있어서, 상기 외래 인핸서가 인간의 CMV 즉시초기 인핸서이고 상기 프로모터가 고유 MMLV 프로모터인 것을 특징으로 하는 레트로바이러스 패키징 플라스미드.
- 제 47항에 있어서, 상기 외래 인핸서와 프로모터가 인간의 CMV 즉시초기 인핸서와 프로모터인 것을 특징으로 하는 레트로바이러스 패키징 플라스미드.
- 제 47항에 있어서, 상기 외래 인핸서와 프로모터가 MMSV 인핸서와 프로모터인 것을 특징으로 하는 레트로바이러스 패키징 플라스미드.
- 제 47항에 있어서, 상기 DNA 구조체가 두 개의 레트로바이러스 헬퍼 DNA 서열을 포함하는 것을 특징으로 하는 레트로바이러스 패키징 플라스미드.
- 제 51항에 있어서, 제1헬퍼 서열이 에코트로픽 MMLV gag 와 pol 단백질을 코딩하며, 제2헬퍼 서열이 제노트로픽, 암포트로픽, 에코트로픽, 폴리트로픽, 10A1 쥐 백혈병 바이러스, GALV, HIV, 소포 구강 바이러스 (VSV) G단백질, 인간의 T 세포 백혈병 (HTLV)타입 I 및 II, env 단백질과 이들의 조합으로 이루어진 군으로부터 선택된 env 단백질을 코딩하는 것을 특징으로 하는 레트로바이러스 패키징 플라스미드.
- 제 47항 또는 52항의 레트로바이러스 패키징 플라스미드에 의해 안정하게 형질감염된 것을 특징으로 하는 포유류 세포.
- 제 53항에 있어서, 인간의 세포를 포함하는 것을 특징으로 하는 포유류 세포.
- 포유류 세포에서 고역가의 복제-결함 재조합 레트로바이러스를 효율적으로 신속하게 일시적으로 생산하는 방법에 있어서, 바이러스를 생산할 수 있는 포유류 세포내로 제 47항에 따른 하나 이상의 레트로바이러스 패키징 플라스미드와 외래유전자를 코딩하는 레트로바이러스 벡터를 도입시킴으로써, 상기 레트로바이러스 패키징 플라스미드와 레트로바이러스 벡터를 가지고 있는 포유류 세포가 고역가의 감염용 레트로바이러스를 생산하는 것을 특징으로 하는 방법.
- 제 55항에 있어서, 상기 포유류 세포가 인간의 세포인 것을 특징으로 하는 방법 .
- 제 56항에 있어서, 상기 인간의 세포가 인간의 배아 신장세포인 것을 특징으로 하는 방법.
- 제 57항에 있어서, 상기 인간의 배아 신장세포가 293세포 (ATCC No.CRL1573)인 것을 특징으로 하는 방법.
- 제 55항에 따른 방법에 의해 제조되는, 복제-결합 재조합 레트로 바이러스를 고역가로 생산하는 것을 특징으로 하는 형질도입된 포유류 세포.
- 제 59항에 있어서, 인간의 세포를 포함하는 것을 특징으로 하는 형질도입된 포유류 세포.
- 제 60항에 있어서, 인간의 배아 신장세포를 포함하는 것을 특징으로 하는 형질도입된 포유류 세포.
- 제 61항에 있어서, 293 세포(ATCC CRL1573)를 포함하는 것을 특징으로 하는 포유류 세포.
- 5'에서 3' 방향으로, 5' LTR의 U3 영역이 MMSV의 U3 영역으로 대체되어 있는 변형된 5' MMLV LTR, MMLV의 Nar I 부위까지의 바이러스성 gag 서열, 레트로바이러스성 스플라이스 수용체와 3' MMLV LTR 영역을 포함하는 것을 특징으로 하는 pSTD4.2로 지정된 복제-결함 레트로바이러스벡터.
- 5'에서 3' 방향으로, 5' LTR이 인간 CMV 즉시초기 인핸서/프로모터로 대체되어 있고, 상기 인핸서/프로모터는 MMLV의 뉴클레오티드 +1∼+32(KpnI)에 연결된 인간 CMV 프로모터의 뉴클레오티드 19(sac I) 내지 +1을 코딩하는 올리고뉴클레오티드에 의해 MMLV R 영역에 융합되어 있는 변형된 5' MMLV LTR, MMLV의 Nar I 부위까지의 바이러스성 gag 서열, 레트로바이러스성 스플라이스 수용체와 3' MMLV LTR 영역을 포함하는 것을 특징으로 하는 pRTD2.2로 지정된 복제-결함 레트로 바이러스벡터.
- 벡터 pRTD2.2의 Sac I-Bst EII 단편이 벡터 LXSN의 Sac I-Bst EII 단편으로 대체되어 있는 변형된 제 66항의 pSTD2.2 벡터를 포함하는 pRTD2.2SVG로 지정된 복제-결함 레트로바이러스 벡터.
- SV40 T항원 폴리아데닐화 부위와 SV40 복제 개시점을 가진 변형된 pIKT1.1벡터를 포함하며, 상기 변형이 pIK1.1의 Sac I과 Eco RI 부위 사이에 제 67항의 pRTD2.2 벡터의 5' LTR과 3'LTR 사이의 DNA 서열이 삽입된 것임을 특징으로 하는 pRTD2.2로 지정된 복제-결함 레트로바이러스 벡터.
- SV40 T항원 폴리아데닐화 부위와 SV40 복제 개시점을 가진 변형된 pIKT1.1벡터를 포함하며, 상기 변형이 5'가 인간 CMV 프로모터의 Sac I 부위로 되어 있고 3'가 제 67항에 따른 벡터 pRTD2.2SVG의 3' LTR의 하류 약 750bp에 위치한 Eco RI 부위로 되어 있는 DNA가 pIK1.1의 Sac I과 Eco RI 부위 사이에 삽입된 것임을 특징으로 하는pRTD2.2SVG로 지정된 복제-결함 레트로바이러스 벡터.
- 변형된 pIK1.1을 포함하는 복제-결함 레트로바이러스 벡터로서, 인간의 CMV 즉시초기 인핸서/프로모터의 하류부분과 SV40 복제 개시점과 SV40폴리아데닐화 부위의 상류부분의 pIK1.1 서열이 제1 레트로바이러스 벡터의 5' R 영역에서 상기제1 레트로바이러스 벡터의 3' LTR의 하류 제한효소 부위까지의 단편으로 구성된 제1 레트로바이러스 벡터 단편으로 대체되어 있는 것을 특징으로 하는 복제-결함 레트로바이러스 벡터.
- 제 68항에 있어서, 상기 제1 레트로바이러스 벡터가 MMLV 벡터인 것을 특징으로 하는 복제-결함 레트로바이러스 벡터.
- 제 67항에 있어서, 상기 스플라이스 수용체가 프로모터, 인핸서, 인핸서/프로모터와 우성 콘트롤 영역으로 이루어진 군으로부터 선택된 벡터의 전사 조절요소로 대체되어 있는 것을 특징으로 하는 복제-결함 레트로바이러스 벡터.
- 제 63항 내지 67항 및 70항 중 어느 한항에 있어서, 상기 스플라이스 수용체의 하류부분에 삽입된 외래유전자를 코딩하는 DNA를 더 포함하는 것을 특징으로 하는 레트로바이러스 벡터.
- 제 71항에 있어서, 상기 외래유전자가 키메라 T세포 수용체인 것을 특징으로 하는 레트로바이러스 벡터.
- 제 72항에 있어서, 상기 수용체가 CD4/제타 또는 단일-사슬 항체 사슬/제타 T세포 수용체인 것을 특징으로 하는 레트로바이러스 벡터.
- 제 71항의 복제-결함 레트로바이러스 벡터를 이용하여 바이러스를 생산할 수 있는 포유류 세포에서 패키징가능한 게놈 레트로바이러스 전사체를 고농도로 발현시키는 방법에 있어서, 패키징 플라스미드와 레트로바이러스 벡터를 포유류 세포의 제1 집단에 일시적으로 동시형질감염시키는 것을 특징으로 하는 방법.
- 제 74항의 방법에 따라 생산된, 재조합 레트로바이러스를 생산하는 포유류 세포.
- 제 75항에 있어서, 상기 포유류 세포가 인간의 세포인 것을 특징으로 하는 포유류 세포.
- 제 76항에 있어서, 상기 인간의 세포가 293 세포인 것을 특징으로 하는 포유류 세포.
- 제 74항에 있어서, 상기 표적세포의 제1집단을 표적세포의 제2집단과 공배양하여 상기 표적세포에 외래유전자를 형질도입시키는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 78항에 있어서, 상기 표적세포가 임파세포인 것을 특징으로 하는 방법.
- 90.74(ATCC CRL11654)로 지정된 것을 특징으로 하는 세포주.
- 외래유전자를 포유류 표적세포에 형질도입시키는 방법에 있어서;A) i) 복제불가능 레트로바이러스 벡터를 패키징하는데 필요한 모든 비리온 단백질을 트랜스형으로 코딩하는 복제불가능 레트로바이러스 게놈에서 유래되고, 복제가능 헬퍼 바이러스의 생산없이 복제불가능 레트로바이러스 벡터를 패키징할 수 있는 비리온 단백질을 고역가로 생산하는 하나 이상의 레트로바이러스 헬퍼 DNA 서열을 포함하는 하나 이상의 레트로바이러스 패키징 플라스미드로서, 상기 레트로 바이러스 헬퍼 DNA 서열이 상기 바이러스의 바이러스성 5' LTR의 고유 인핸서 및/또는 프로모터를 코딩하는 영역을 결여하고 있고, 패키징 헬퍼 게놈을 패키징하는데 관여하는 psi 기능서열과 3' LTR을 모두 결여하고 있으며, 선택된 포유류 세포에서 작용하는 외래 인핸서 및/또는 프로모터와 SV40 폴리아데닐화 부위를 코딩하고 있는, 하나 이상의 레트로바이러스 패키징 플라스미드; 및ii) 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 포유류 세포의 제1집단에서 생산하기 위해 상기 외래유전자를 코딩하는 레트로바이러스 벡터;를 이용하여 바이러스를 생산할 수 있는 상기 포유류 세포의 제1집단을 일시적으로 동시형질감염시키는 단계:B) 세포 상등액으로부터 상기 포유류 세포의 제1집단을 분리하는 단계: 및C) 상기 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 포함하는 상기 상등액과 포유류 표적세포의 제2집단을 배양하여, 상기 외래유전자를 상기 표적세포의 제2집단에 형질도입시킴으로써, 상기 외래유전자에 의해 효율적으로 형질도입된 표적세포를 얻는 단계를 포함하는 것을 특징으로 하는 방법.
- 외래유전자를 포유류 표적세포에 형질도입시키는 방법에 있어서, 선택된 외래유전자를 운반하는 복제-결함 재조합 레트로바이러스 벡터를 생산하는 형질감염된 포유류 세포의 제1집단으로루터 얻은 상등액과 상기 포유류 표적세포를 배양하여 상기 외래유전자를 상기 표적세포의 제2집단에 형질도입시킴으로써, 상기 외래유전자에 의해 효율적으로 형질도입된 표적세포를 얻는 것을 특징으로 하는 방법.
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US076,299 | 1993-06-11 |
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AU699660B2 (en) | 1998-12-10 |
ATE485367T1 (de) | 2010-11-15 |
KR960703169A (ko) | 1996-06-19 |
WO1994029438A1 (en) | 1994-12-22 |
JP4409631B2 (ja) | 2010-02-03 |
DE69435316D1 (de) | 2010-12-02 |
AU7246294A (en) | 1995-01-03 |
NZ269019A (en) | 2000-03-27 |
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US5858740A (en) | 1999-01-12 |
EP0710280A1 (en) | 1996-05-08 |
US5834256A (en) | 1998-11-10 |
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