KR20120106894A - Hiv 조절/부속 단백질의 융합 단백질 - Google Patents
Hiv 조절/부속 단백질의 융합 단백질 Download PDFInfo
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- KR20120106894A KR20120106894A KR1020127021229A KR20127021229A KR20120106894A KR 20120106894 A KR20120106894 A KR 20120106894A KR 1020127021229 A KR1020127021229 A KR 1020127021229A KR 20127021229 A KR20127021229 A KR 20127021229A KR 20120106894 A KR20120106894 A KR 20120106894A
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Abstract
Description
도면은 4개의 올리고뉴클레오티드의 어닐링을 나타낸다. 이들은 단일가닥이며 상보적 말단에 의해 어닐링될 수 있다. 갭은 교정 활성을 나타내는 폴리머라아제(예를 들면, Pfx 폴리머라아제)로 채워진다.
도. 2: 4개 유전자 블롭의 어닐링의 개략도
vif 유전자는 vpr 단편과 중복서열을 나타내며, vpu 코딩단편은 rev 유전자(회색)와 중복서열을 나타낸다. PCR 단편은 변성되며 중복되는 상보적 말단은 잡종형성한다. 생성된 갭은 Pfx 폴리머라아제를 사용하여 채워진다. vif-vpr 단편은 vpu-rev 단편의 중복서열에 융합되며, 이것은 다시 융합에 사용된다.
도. 3: 외래 유전자를 MVA 게놈내로 삽입하기 위한 재조합 벡터에서 본 발명에 따른 융합 단백질을 코딩하는 서열의 클로닝 수법
융합된 vif, vpr, vpu 및 rev 폴리프로테인 코딩 영역은 ClaI/ApaI 제한 부위를 포함하는 프라이머를 사용하여 증폭된다. 고 pCR 생성물은 수두 바이러스 ATI 프로모터를 함유하는 ClaI/ApaI로 절단된 벡터 pBNX65에 클론화된다. Tat 코딩 영역은 Acc651 제한부위를 함유하는 프라이머를 사용한 PCR에 의해 증폭되고 Acc651에 의해 선형으로 된 pBNX65 + vif-rev에 결찰된다. 생성된 발현 카세트(ATI 프로모터 + 본 발명에 따른 융합 단백질을 코딩하는 서열)은 PacI 제한효소에 의해 분리되어 MVA 게놈 I4L 유전자내 영역(pBNX39)에 외래 유전자를 삽입하기 위한 재조합 벡터내로 삽입된다. pBNX39는 MVA 게놈(F1 I4L 및 F2 I4L)의 삽입부위의 측면 서열에 상동인 서열을 함유한다. MVA 게놈 및 pBNX39의 상동 재조합 후, 재조합 바이러스를 선별하기 위하여 벡터는 대장균 gpt 유전자(포스포리보실트랜스퍼라아제 유전자)를 함유한다. 재조합 바이러스의 정제 후, 선별 카세트는 Flank 1 및 Flank 1의 반복 서열(F1rpt)간의 상동 재조합에 의해 결실된다.
도. 4: MVA 게놈의 개략도
MVA는 Hind III를 사용한 제한처리 후 특징적인 단편(A-O)을 나타내는 선형 게놈을 함유한다. I4L 및 I5L 유전자간의 비 기능적 영역은 I 단편에 위치한다. pBNX39를 사용한 외래 유전자의 삽입은 56767-56768 위치에서 발생한다.
Claims (26)
- Vif, Vpr, Vpu, Vpx, Rev, 및 Tat 중에서 선택된 3개 이상의 HIV 단백질의 아미노산 서열 또는 하나 이상의 상기 단백질의 아미노산 서열의 유도체를 포함하는 융합 단백질로서, 상기 융합 단백질은 천연 N 및 C 말단을 갖는 개개의 HIV 단백질로 가공되지 않으며, 상기 HIV 단백질의 아미노산 서열의 유도체는 융합 단백질중의 아미노산 서열의 대응되는 부분이, 공지된 HIV 분리체의 각각의 HIV 단백질의 아미노산 서열과 비교할 때, 50-100%의 상동성을 나타내는 아미노산 서열인 융합 단백질.
- 제 1항에 있어서, 상기 상동성이 80-100 %인 융합 단백질.
- Vif, Vpr, Vpu, Vpx, Rev, 및 Tat 중에서 선택된 3개 이상의 HIV 단백질의 아미노산 서열 또는 하나 이상의 상기 단백질의 아미노산 서열의 유도체를 포함하는 융합 단백질로서, 상기 융합 단백질은 천연 N 및 C 말단을 갖는 개개의 HIV 단백질로 가공되지 않으며, 공지된 HIV 분리체의 HIV 단백질의 활성과 비교할 때, 감소된 활성을 갖거나 또는 활성을 전혀 갖지 않는 HIV 단백질이 획득되도록, 공지된 HIV 분리체의 각각의 HIV 단백질의 아미노산 서열과 비교할 때, 상기 아미노산 서열의 유도체에서 10개 이하의 아미노산이 결실, 삽입 또는 치환된, 융합 단백질.
- 제 1항 내지 제 3항중 어느 한 항에 있어서, 상기 각각의 HIV 단백질이 Vif, Vpr, Vpu, Vpx, Rev 및 Tat 중에서 선택된 것인, 융합 단백질.
- 제 1항에 있어서, HIV 단백질 Vif, Vpr, Vpu, Rev 및 Tat의 아미노산 서열 또는 하나 이상의 상기 단백질의 아미노산 서열의 유도체를 포함하는 융합 단백질.
- 제 1항에 있어서, 2개 이상의 HIV 단백질의 아미노산 서열이 추가 아미노산 없이 서로 융합된, 융합 단백질.
- 제 1항에 있어서, 2개 이상의 HIV 단백질의 아미노산 서열이 하나 이상의 추가 아미노산에 의해 분리된, 융합 단백질.
- 제 1항에 있어서, 하나 이상의 HIV 단백질의 아미노산 서열이 Vif, Vpr, Vpu, Vpx, Rev, 및 Tat 중에서 선택된 하나 이상의 HIV 단백질이 아닌, 추가 단백질 융합 파트너에 융합된, 융합 단백질.
- 제 1항에 기재된 융합 단백질을 코딩하는 핵산.
- 제 9항에 있어서, 상기 핵산이 DNA인 핵산.
- 제 10항에 있어서, 상기 DNA로부터 융합 단백질의 발현이 진핵세포 프로모터, 원핵세포 프로모터 또는 바이러스 프로모터에서 선택된 조절요소에 의해 조절되는 핵산.
- 제 11항에 있어서, 상기 바이러스 프로모터가 수두바이러스 프로모터인 핵산.
- 제 9항 내지 제 12항중 어느 한 항에 있어서, 상기 핵산이 Gag, Pol 및 Env중에서 선택된 하나 이상의 추가 HIV 단백질에 대한 코딩 서열을 더 포함하는 핵산.
- 제 13항에 있어서, 상기 핵산이 HIV Gag, Pol 및 Env 단백질에 대한 코딩 서열을 포함하는 핵산.
- 제 9항에 기재된 핵산을 포함하는 벡터.
- 제 15항에 있어서, 상기 벡터가 바이러스 벡터인 벡터.
- 제 16항에 있어서, 상기 바이러스 벡터가 백시니아 바이러스 벡터인 벡터.
- 제 17항에 있어서, 상기 백시니아 바이러스 벡터가 MVA(Modified Vaccina Virus Ankara)인 벡터.
- 제 18항에 있어서, 상기 MVA가 ECACC(European Collection of Animal Cell Cultures)에 기탁번호 V00120707로 기탁된 것과 같은 MVA-575 또는 ECACC에 기탁번호 V00083008로 기탁된 것과 같은 MVA-BN 중에서 선택된 벡터.
- - 제 9항에 기재된 핵산 또는 제 15항에 기재된 벡터로 숙주 세포를 형질감염시키는 단계 또는
- 제 16항 내지 제 17항중 어느 한 항에 기재된 바이러스 벡터로 숙주세포를 감염시키는 단계,
- 상기 형질감염된 숙주세포 또는 상기 감염된 숙주 세포 내에서 융합 단백질을 발현시키는 단계, 및
- 융합 단백질을 회수하는 단계를 포함하는, 제 1항에 기재된 단백질의 제조방법. - 제 9항에 기재된 핵산 또는 제 15항에 기재된 벡터로 형질감염되거나 제 16항 내지 제 17항 중 어느 한 항에 기재된 바이러스 벡터로 감염된 숙주세포.
- HIV 감염을 치료 또는 예방하기 위한 의약 또는 백신으로 사용되는 제 1항에 기재된 융합 단백질.
- HIV 감염을 치료 또는 예방하기 위한 의약 또는 백신으로 사용되는 제 9항에 기재된 핵산.
- HIV 감염을 치료 또는 예방하기 위한 의약 또는 백신으로 사용되는 제 15항 내지 제 19항중 어느 한 항에 기재된 벡터.
- 제 1항에 기재된 융합 단백질, 제 9항에 기재된 핵산 또는 제 15항 내지 제 19항중 어느 한 항에 기재된 벡터를 포함하는 백신.
- 제 1항에 기재된 융합 단백질, 제 9항에 기재된 핵산 또는 제 15항 내지 제 19항중 어느 한 항에 기재된 벡터를 HIV 감염에 대한 보호가 필요한 사람을 제외한 동물에게 투여함으로써 사람을 제외한 동물을 HIV 감염으로부터 보호하는 방법.
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