KR101258633B1 - 토끼 출혈병변이주 바이러스 혈구응집용 항원 및 유전자 재조합불활화백신의 제조방법 - Google Patents
토끼 출혈병변이주 바이러스 혈구응집용 항원 및 유전자 재조합불활화백신의 제조방법 Download PDFInfo
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Abstract
본 발명의 토끼 출혈병변이주 바이러스 혈구응집용 항원은 토끼 출혈병변이주바이러스의 VP60 유전자로부터 얻어진 유전자재조합 베큘로바이러스를 조직배양세포에 접종하여 생성되는 것이 특징이다.
또 하나의 본 발명인 유전자 재조합 불활화백신의 제조방법은 토끼 출혈병 변이주의 VP60 유전자를 pGEM-T 벡터에 1차 클로닝하는 단계와, 상기 1차 클로닝 후 pBuleBacHis4.5 벡터에 2차 클로닝하여 유전자재조합 베큘로바이러스를 생성하는 단계와, 상기 생성된 유전자재조합 베큘로바이러스를 곤충세포에 접종하여 출혈병변이주바이러스의 VP60 유전자 재조합 단백질을 얻어내는 단계와, 상기 얻어낸 단백질에서 혈구응집능을 갖는 항원을 분리해내는 단계와, 상기 분리된 항원을 불활화 하는 단계를 포함하여 구성된다.
본 발명에 의해, 기존의 간 조직 유제액보다 10배 이상의 혈구응집용 항원을 생산함과 동시에 국내에서 유행하고 있는 토끼 출혈병변이주를 예방하기 위한 토끼 출혈병 유전자재조합불활화백신의 제조방법이 제공된다.
Description
도 2는 본 발명에 사용되는 토끼 출혈병변이주바이러스의 VP60 유전자를 이용하여 작성한 유전자재조합 단백질의 혈구응집능을 나타낸 사진.
A : 기존의 토끼 출혈병 간유제액 항원의 혈구응집능(16,384배)
B : 본 발명의 토끼 출혈병 유전자재조합 항원(상층액과 세포를 혼합한 것임)의 혈구응집능(16,384배)
도 3은 기니픽에서 유전자 재조합불활화백신 접종 후 항체가 변화를 나타낸 그래프.
도 4는 유전자재조합 불활화백신을 접종하고 3 주후에 공격접종 토끼의 항체가 변화를 나타낸 그래프.
프라이머 | 유전자 염기서열(5'-3') | 증폭산물의 크기 |
VP60F | CCC TCG AGT GAG GGC AAA GCC GCT AC | 1,740 bp |
VP60R | CCG AAT TCC TGA CAT AAG AAA ACG CAT TGG TTG TGC C |
Claims (8)
- 토끼 출혈병변이주바이러스의 VP60 유전자(RECOMBINANT VP60 BACULOVIRUS; 수탁번호:KCTC 11756BP)로부터 얻어진 유전자재조합 베큘로바이러스를 조직배양세포에 접종하여 생성됨을 특징으로 하는,
혈구 응집억제용 항원. - 제1항에 있어서,
상기 토끼 출혈병 변이주바이러스로 KV0801 균주를 사용하는 것을 특징으로 하는,
혈구 응집억제용 항원. - 제1항에 있어서,
상기 유전자재조합 베큘로바이러스는 토끼 출혈병변이주바이러스의 VP60 유전자를 pGEM-T 벡터에 1차 클로닝하고, 다시 pBluBac 4.5His 벡터에 2차 클로닝하여 생성됨을 특징으로 하는,
혈구 응집억제용 항원. - 제1항에 있어서,
상기 조직배양세포는 곤충세포 sf-9 cell인 것을 특징으로 하는.
혈구 응집억제용 항원. - 토끼 출혈병 변이주의 VP60 유전자(RECOMBINANT VP60 BACULOVIRUS;수탁번호: KCTC 11756BP)를 pGEM-T 벡터에 1차 클로닝하는 단계;
상기 1차 클로닝 후 pBuleBacHis4.5 벡터에 2차 클로닝하여 유전자재조합 베큘로바이러스를 생성하는 단계;
상기 생성된 유전자재조합 베큘로바이러스를 곤충세포에 접종하여 출혈병변이주바이러스의 VP60 유전자 재조합 단백질을 수확하는 단계;
상기 수확한 재조합 단백질에서 혈구응집능을 갖는 항원을 분리해내는 단계;
상기 분리된 항원을 불활화하는 단계;를 포함하여 구성된,
유전자 재조합 불활화백신의 제조방법. - 제5항에 있어서,
상기 항원을 불활화하는 단계에서 항원을 인산완충용액(PBS:Phosphate Buffered Saline)로 희석한 후 포르말린을 첨가한 다음 37 ℃에서 24시간동안 불활화하는 것을 특징으로 하는,
유전자 재조합 불활화백신의 제조방법. - 제5항에 있어서,
상기 불활화단계 후 에쥬번트를 전체중량을 기준으로 20 중량부를 더 혼합하여 백신을 제조하는 것을 특징으로 하는,
유전자 재조합 불활화백신의 제조방법. - 삭제
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