KR101184074B1 - 단백질을 높은 수준으로 생성하는 발현 벡터 및 방법 - Google Patents
단백질을 높은 수준으로 생성하는 발현 벡터 및 방법 Download PDFInfo
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Abstract
Description
클론 | 단백질 수득률 ㎍/백만개 세포/48시간 |
41H9.3G10 | 9.64 |
41H9.4G10 | 13.97 |
41H9.4H9 | 14.18 |
41H9.5G9 | 12.61 |
41H9.10H12 | 11.91 |
41H9.1E8 | 10.93 |
41H9.2F9 | 12.32 |
41H9.5E10 | 12.24 |
41H9.8C9 | 12.68 |
41H9.10B10 | 13.56 |
41H9.2G8 | 6.15 |
41H9.4F9 | 7.31 |
41H9.1C8 | 14.92 |
41H9.7H9 | 5.85 |
이종 군의 명칭 | 4일 후 단백질 수득률 mg/l |
56D12(100 nM MTX) | 21 mg/l |
41H9(400 nM MTX) | 43 mg/l |
이종 군의 명칭 | 7일 후 단백질 수득률 mg/l |
41H9(2 μM MTX) | 91 mg/l |
Claims (25)
- 하기를 포함하는, 발현 벡터를 사용하여 목적 단백질(protein of interest)의 발현을 증가시키는 방법:(i) 적어도 하기 조절 요소를 포함하는 발현 벡터를 준비하는 단계:a) CMV(Cytomegalovivus) 프로모터, 또는 그의 작용 변이체(functional variant),b) 키메라 인트론(chimeric intron),c) TPL(Tripartite Leader) 또는 그의 작용 변이체,d) VA(Virus associated) 유전자 또는 그의 작용 변이체, 및e) 소 성장 호르몬 폴리아데닐레이션(polyadenylation) 서열 또는 그의 작용 변이체.(ii) 상기 발현 벡터에 상기 목적 단백질을 코딩하는 유전자를 클로닝하는 단계,(iii) 상기 발현 벡터로 포유동물 숙주 세포를 트랜스펙션시키는 단계, 및(iv) 상기 포유동물 숙주 세포가 상기 목적 단백질을 발현하는 단계.
- 제1항에 있어서, 상기 목적 단백질이 재조합 에리스로포이에틴인 것인 방법.
- 제1항에 있어서, 상기 목적 단백질이 융합 단백질 TNFR-IgGFc 것인 방법.
- 제1항에 있어서, 상기 목적 단백질은 재조합 에리스로포이에틴, 융합 단백질 TNFR-IgGFc, 및 모노클로날 항체로부터 이루어진 군으로부터 선택되는 것인 방법.
- 삭제
- 적어도 하기 5개의 조절 요소를 포함하는 포유 동물 발현 벡터:a) CMV 프로모터, 또는 그의 작용 변이체,b) 키메라 인트론,c) TPL 또는 그의 작용 변이체,d) VA 유전자 또는 그의 작용 변이체, 및e) 소 성장 호르몬 폴리아데닐레이션 서열 또는 그의 작용 변이체.
- 제6항에 있어서, 상기 키메라 인트론은 서열번호 1의 서열을 갖는 것인 벡터.
- 제6항에 있어서, 상기 TPL이 서열번호 4의 조절 요소인 것인 벡터.
- 제6항에 있어서, 상기 VA 유전자가 서열번호 5의 서열을 갖는 것인 벡터.
- 삭제
- 제6항에 있어서, 디히드로폴레이트 환원효소(dihydrofolate reductase), 아데노신 데아미나제(adenosine deaminase), 오르니틴 데카르복실라제(ornithine decarboxylase), 아스파라긴 신세타제(asparagine synthetase), 글루타민 신세타제(glutamine synthetase), 또는 그의 작용 변이체로부터 선택되는 선택 및 증폭 마커를 코딩하는 유전자를 더 포함하는 것인 벡터.
- 제6항에 있어서, 에리스로포이에틴을 코딩하는 유전자를 더 포함하는 것인 벡터.
- 제6항에 있어서, 융합 단백질 TNFR-IgGFc를 코딩하는 유전자를 더 포함하는 것인 벡터.
- 제6항에 있어서, 리툭시마브, 트라스투주마브, 및 베바쿠주마브로부터 선택된 모노클로날 항체를 코딩하는 유전자를 더 포함하는 것인 벡터.
- 제6항에 있어서, 하나 이상의 목적 유전자를 더 포함하는 것인 벡터.
- 삭제
- 제1항에 있어서, 상기 포유동물 숙주 세포는 Cos, CHO, CHO DHFR-, BHK1, 및 NS0 세포주로부터 선택되는 것인 방법.
- 삭제
- 제1항에 있어서, 상기 목적 단백질이 재조합 에리스로포이에틴, 재조합 융합 단백질 TNFR-IgGFc, 리툭시마브, 트라스투주마브, 및 베바쿠주마브로 구성된 군으로부터 선택되는 것인 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, 상기 목적 단백질의 발현을 증가시키기 위해, 상기 포유동물 숙주 세포는 메토트렉세이트(MTX)로 더 처리되는 것인 방법.
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WO2017027324A1 (en) * | 2015-08-10 | 2017-02-16 | The Texas A&M University System | Recombinant turkey herpesvirus vaccines and uses thereof |
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US6040295A (en) * | 1995-01-13 | 2000-03-21 | Genemedicine, Inc. | Formulated nucleic acid compositions and methods of administering the same for gene therapy |
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Non-Patent Citations (2)
Title |
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J. Microbiol. Biotechnol. 2004, Vol. 14, No. 1, 페이지 81-89.* |
Nature Biotechnolgy. 2004, Vol. 22, No. 11, 페이지 1365-1372.* |
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AU2006277568A2 (en) | 2008-07-17 |
WO2007017903A3 (en) | 2007-06-28 |
AU2006277568B2 (en) | 2011-06-30 |
JP5073653B2 (ja) | 2012-11-14 |
US9260721B2 (en) | 2016-02-16 |
UA92913C2 (ru) | 2010-12-27 |
EA200800098A1 (ru) | 2008-06-30 |
EP1893757B1 (en) | 2016-09-07 |
AU2006277568A1 (en) | 2007-02-15 |
US20130236957A1 (en) | 2013-09-12 |
ZA200710554B (en) | 2008-10-29 |
NZ592891A (en) | 2013-02-22 |
ES2605358T3 (es) | 2017-03-14 |
US20110212518A1 (en) | 2011-09-01 |
CA2611946A1 (en) | 2007-02-15 |
EP1893757A2 (en) | 2008-03-05 |
HK1112020A1 (zh) | 2008-08-22 |
WO2007017903A2 (en) | 2007-02-15 |
KR20080047319A (ko) | 2008-05-28 |
JP2008543325A (ja) | 2008-12-04 |
CA2611946C (en) | 2013-04-16 |
EA011619B1 (ru) | 2009-04-28 |
US9163257B2 (en) | 2015-10-20 |
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