KR102041144B1 - 대장균 유래 지카바이러스 외피 단백질 도메인 iii 재조합 단백질의 가용화를 위한 조성물 및 이를 이용한 지카 재조합 단백질 생산방법 - Google Patents
대장균 유래 지카바이러스 외피 단백질 도메인 iii 재조합 단백질의 가용화를 위한 조성물 및 이를 이용한 지카 재조합 단백질 생산방법 Download PDFInfo
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Abstract
Description
도 2는 웨스턴 블랏 결과로, 가용화 조성화 버퍼별(트리스, HEPES, 글라이신) 조제된 지카 외피단백질 도메인 III 재조합 단백질의 항원성을 검증한 결과이다. a는 항-지카 단클론항체_외피단백질 Envelope, b는 항-지카 단클론항체_EDIII로 검증 결과이다. M은 분자량 마터, 라인 1은 트리스-ZIKV-EDIII, 라인2는 HEPES-ZIKV-EDIII, 라인 3은 글라이신-ZIKV-EDIII 재조합 항원 단백질
도 3은 가용화 조성화 버퍼별(트리스, HEPES, 글라이신) 조제된 지카 외피단백질 도메인 III 재조합 항원 단백질을 골드 컨쥬게이트의 원료로 하여 면역 크로마토그래피 신속진단키트를 제작하고, 이를 양성 혈청을 이용해 검사한 결과이다. 1은 Negative control, 2는 트리스-ZIKV-EDIII, 3은 HEPES-ZIKV-EDIII, 4는 글라이신-ZIKV-EDIII 재조합 항원
도 4는 ELISA 결과로, 지카 재조합항원 면역농도(10㎍, 25㎍, 50㎍)및 면역보조제 Alum+MPL 함유 시험으로 재조합항원 단독 대비 면역증강제 Alum과 MPL 혼합제제에서 항체가 증가를 확인하였다.
도 5는 End point titer결과로, 최종 반응역가를 확인시, 25㎍, 50㎍ 항원과 Alum 및 MPL 혼합제제에서 104에 가까운 end point titer로 높은 수준으로 유지되는 것을 확인하였다.
도 6은 ZIKV-EDIII 재조합항원 및 면역증강제(Alum 및 MPL 혼합제제) 함유하여 면역화된 마우스에서 중화항체 측정 결과이다. 지카재조합항원 단독 면역시, 중화항체 효능은 확인되지 않았으며, 면역증강제가 함유된 ZIKV-EDIII 재조합항원 10㎍는 PRNT50=20, 25㎍, 50㎍ 에서 PRNT 50=40 이 확인되었다.
ZIKV-EDIII-pET-BL21 | |
정방향 프라이머 | AGCT GGATCC G ATG AAGGGACGCCTGTCC |
역방향 프라이머 | CTACGC CTCGAG TCCCAAGACTGCCAT |
Buffer 50mM |
Arginine 0M | Arginine 0.5M | |||||||||||
MES (pH 6.5) |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | GSH/GSSG 2/0.2mM |
13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | GSH/GSSG 10/2mM |
|
HEPES (pH 7.5) |
25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | GSH/GSSG 2/0.2mM |
37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | GSH/GSSG 10/2mM |
|
Tris-HCl (pH 8.5) |
49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | GSH/GSSG 2/0.2mM |
61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | GSH/GSSG 10/2mM |
|
Glycine (pH 9.5) |
73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | GSH/GSSG 2/0.2mM |
85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | GSH/GSSG 10/2mM |
|
MgCl2/CaCl2 0mM | MgCl2/CaCl2 2mM | MgCl2/CaCl2 0mM | MgCl2/CaCl2 2mM | ||||||||||
NaCl | 20mM | 60mM | 180mM | 20mM | 60mM | 180mM | 20mM | 60mM | 180mM | 20mM | 60mM | 180mM | NaCl |
Buffer 50mM |
Arginine 0M | Arginine 0.5M | |||||||||||
MES (pH 6.5) |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | GSH/GSSG 2/0.2mM |
X | X | X | X | X | X | X | X | X | X | X | X | ||
13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | GSH/GSSG 10/2mM |
|
X | X | X | X | X | X | X | X | X | X | X | X | ||
HEPES (pH 7.5) |
25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | GSH/GSSG 2/0.2mM |
X | X | X | X | X | X | X | X | X | O | O | O | ||
37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | GSH/GSSG 10/2mM |
|
X | X | X | X | X | X | X | X | X | O | O | O | ||
Tris-HCl (pH 8.5) |
49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | GSH/GSSG 2/0.2mM |
X | X | X | X | X | X | O | O | O | O | O | O | ||
61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | GSH/GSSG 10/2mM |
|
X | X | X | X | X | X | O | O | O | O | O | O | ||
Glycine (pH 9.5) |
73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | GSH/GSSG 2/0.2mM |
X | X | X | X | X | X | X | X | X | O | O | O | ||
85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | GSH/GSSG 10/2mM |
|
X | X | X | X | X | X | X | X | X | O | O | O | ||
MgCl2/CaCl2 0mM | MgCl2/CaCl2 2mM | MgCl2/CaCl2 0mM | MgCl2/CaCl2 2mM | ||||||||||
NaCl | 20mM | 60mM | 180mM | 20mM | 60mM | 180mM | 20mM | 60mM | 180mM | 20mM | 60mM | 180mM | NaCl |
Claims (12)
- a)pH 8.5의 트리스(Tris-(hydroxymethyl)aminomethane) 완충 물질;
b) 글루타치온(GSH) 및 산화형 글루타치온(GSSG)의 혼합 몰비가 5/1 내지 10/1인 글루타치온(GSH) 및 산화형 글루타치온(GSSG) 혼합물;
c) 20 내지 180mM 범위의 염화나트륨;
d)염화 마그네슘 및 염화 칼슘; 및
e)아르기닌을 유효성분으로 포함하는 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 재조합 항원으로 사용하기 위한 조성물. - 제 1 항에 있어서, 상기 아르기닌 농도는 0.5M인 것을 특징으로 하는 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 재조합 항원으로 사용하기 위한 조성물.
- 제 1 항에 있어서, 상기 염화 마그네슘 및 염화 칼슘의 농도는 각각 2mM인 것을 특징으로 하는 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 재조합 항원으로 사용하기 위한 조성물.
- a) 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 포함하는 내포체를 생산하는 재조합 균주로부터 내포체를 분리 수득하는 단계;및
b) 상기 수득된 내포체에 상기 제 1 항 내지 제3항 중 어느 한 항의 조성물을 처리하는 단계를 포함하는 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 재조합 항원으로 사용하기 위한 방법. - 제 4 항에 있어서, 상기 내포체는 발현 완료된 세포에 세포파쇄용액 처리 후 원심분리 하여 얻어진 불용성 침전물을 버퍼로 부유해 파쇄 및 원심분리를 반복하는 워싱 과정을 거치는 것을 특징으로 하는 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 재조합 항원으로 사용하기 위한 방법.
- a)지카바이러스 외피 단백질 도메인 III 재조합 단백질을 포함하는 내포체를 생산하는 재조합 균주로부터 내포체를 분리 수득하는 단계; 및
b) 상기 수득된 내포체에 상기 제 1 항 내지 제3항 중 어느 한 항의 조성물을 처리하는 단계를 포함하는
HEPES, 또는 글라이신 완충물질을 포함하는 조성물로 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 가용화 시킨 것과 비교하여 지카바이러스 외피 단백질 도메인 III 재조합 단백질 항원의 단백질 구조의 안정성 및 항체에 대한 특이성을 증가시키는 방법. - 제 6 항에 있어서, 상기 내포체는 발현 완료된 세포에 세포파쇄용액 처리 후 원심분리 하여 얻어진 불용성 침전물을 버퍼로 부유해 파쇄 및 원심분리를 반복하는 워싱 과정을 거치는 것을 특징으로 하는 HEPES, 또는 글라이신 완충물질을 포함하는 조성물로 지카바이러스 외피 단백질 도메인 III 재조합 단백질을 가용화 시킨 것과 비교하여 지카바이러스 외피 단백질 도메인 III 재조합 단백질 항원의 단백질 구조의 안정성 및 항체에 대한 특이성을 증가시키는 방법.
- 삭제
- 삭제
- 삭제
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