KR102624969B1 - mRNA 번역 증가를 유도하는 mRNA 3'UTR 서열 - Google Patents
mRNA 번역 증가를 유도하는 mRNA 3'UTR 서열 Download PDFInfo
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Abstract
Description
도 2는 뉴클레오타이드 종류에 따른 선별적 번역 증가 실험결과를 나타낸 결과이다. 구체적으로 (A)는 실험 모식도를 나타낸 것이고, (B)는 리포터 mRNA의 상대적 수준은 차이가 없음을 보여주는 qRT-PCR 결과이며, (C)는 단백질 번역 효율을 비교한 결과로서 U10은 다른 A10, G10, C10과 비교하여 단백질 번역 효율을 약 5배 가량 증가시킴을 보여주는 결과이다.
도 3는 NMD 리포터에서 단백질 번역 종결코돈과 U10 사이의 거리의 중요성을 보여주는 실험결과이다. 구체적으로 (A)는 실험 모식도를 나타낸 것이고, (B)는 각 리포터에서의 NMD 효율을 나타낸 것이다.
도 4는 역시 NMD 리포터에서 단백질 번역 종결코돈과 U10 사이의 거리의 중요성을 보여주는 실험결과이다. 구체적으로 (A)는 실험 모식도를 나타낸 것이고, (B)는 리포터 mRNA의 상대적 수준은 차이가 없음을 보여주는 qRT-PCR 결과이며, (C)는 단백질 번역 효율을 비교한 결과로서 단백질 번역 종결코돈과 U10의 거리가 90 염기서열 이하일 경우 효과적으로 단백질 번역을 증가시킴을 보여주는 결과이다.
도 5는 연속적인 U 10개 (U10) 또는 U 50개 (U50)을 가지는 리포터를 실험한 결과이다. 구체적으로 (A)는 리포터 모식도를 나타낸 것이고, (B)는 리포터 mRNA의 상대적 수준은 차이가 없음을 보여주는 qRT-PCR 결과이며, (C)는 단백질 번역 효율을 비교한 결과로서 U10과 U50는 단백질 번역 효율을 모두 약 6배 가량 증가시킴을 보여주는 결과이다.
도 6은 IRES를 이용한 U10의 단백질 번역 효율을 확인한 결과를 나타낸 것이다. 구체적으로 (A)는 리포터 모식도를 나타낸 것이고, (B)는 리포터 mRNA는의 상대적 수준은 차이가 없음을 보여주는 qRT-PCR 결과이며, (C) 단백질 번역 효율을 비교한 결과로서 EMCV IRES의 경우 단백질 번역 효율이 약 6배 가량 증가되었음을 보여주는 결과이다.
도 7은 eIF4G 면역침강법 (Immunoprecipitation; IP)을 통한 U10 리포터와 eIF4G 간의 결합을 보여주는 실험 결과이다. 구체적으로 (A)는 4EGI-1 없는 상태에서의 eIF4G 면역침강법 결과이며 (B)는 4EGI-1 처리한 상태에서의 eIF4G 면역침강법 결과이다.
도 8은 U10 리포터 mRNA와 종결인자의 특이적인 결합을 보여주는 실험결과을 나타낸 것이다. 구체적으로 (A)는 U10 리포터 mRNA 모식도이고, (B)는 리포터 mRNA의 정제를 위해 사용한 MS2-HA-MBP의 모식도이며, (C)는 정제된 리포터 mRNA와 결합하는 다양한 번역인자의 웨스턴 블랏 실험결과를 나타낸 것이다.
Claims (20)
- 목적하는 핵산 서열의 단백질 번역 종결코돈 뒤, 3' UTR (Untranslated region)에 유리딘 (uridine)을 포함하는, 뉴클레오타이드로서,
상기 유리딘의 길이는 6nt 이상인, 뉴클레오타이드. - 제1항에 있어서,
상기 목적하는 핵산은 mRNA 서열인 것인, 뉴클레오타이드. - 제2항에 있어서,
상기 목적하는 핵산 서열의 단백질 번역 종결코돈과 유리딘 사이의 거리는 120nt 이하인, 뉴클레오타이드. - 제3항에 있어서,
상기 목적하는 핵산 서열의 단백질 번역 종결코돈과 유리딘 사이의 거리는 105nt 이하인, 뉴클레오타이드. - 삭제
- 제1항에 있어서,
상기 유리딘의 길이는 10nt 이상인, 뉴클레오타이드. - 제1항 내지 제4항 또는 제6항 중 어느 한 항에 있어서,
상기 뉴클레오타이드는 RNA 백신 또는 치료용 mRNA의 단백질 번역 효율을 증가시키는 것인, 뉴클레오타이드. - 목적하는 핵산 서열의 단백질 번역 종결코돈 뒤, 3' UTR에 유리딘 (uridine)을 삽입하는 단계; 를 포함하는, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법으로,
상기 유리딘의 길이는 6nt 이상인, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법. - 제8항에 있어서,
상기 목적하는 핵산은 mRNA 서열인 것인, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법. - 제9항에 있어서,
상기 목적하는 핵산 서열의 단백질 번역 종결코돈과 유리딘 사이의 거리는 120nt 이하인, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법. - 제10항에 있어서,
상기 목적하는 핵산 서열의 단백질 번역 종결코돈과 유리딘 사이의 거리는 105nt 이하인, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법. - 삭제
- 제8항에 있어서,
상기 유리딘의 길이는 10nt 이상인, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법. - 제8항 내지 제11항 또는 제13항 중 어느 한 항에 있어서,
상기 방법은 RNA 백신 또는 치료용 mRNA의 단백질 번역 효율을 증가시키는 것인, 목적하는 핵산의 단백질 번역 효율을 증가시키는 방법. - 목적하는 단백질을 코딩하는 서열을 포함하고, 상기 목적하는 단백질을 코딩하는 서열의 단백질 번역 종결코돈 뒤, 3' UTR에 유리딘 (uridine)을 포함하는, 목적하는 단백질의 번역 효율 증가용 벡터로서,
상기 유리딘의 길이는 6nt 이상인, 목적하는 단백질의 번역 효율 증가용 벡터. - 제15항에 있어서,
상기 목적하는 단백질을 코딩하는 서열의 단백질 번역 종결코돈과 유리딘 사이의 거리는 120nt 이하인, 목적하는 단백질의 번역 효율 증가용 벡터. - 제16항에 있어서,
상기 목적하는 단백질을 코딩하는 서열의 단백질 번역 종결코돈과 유리딘 사이의 거리는 105nt 이하인, 목적하는 단백질의 번역 효율 증가용 벡터. - 삭제
- 제15항에 있어서,
상기 유리딘의 길이는 10nt 이상인, 목적하는 단백질의 번역 효율 증가용 벡터. - 제15항 내지 제17항 또는 제19항 중 어느 한 항에 있어서,
상기 벡터는 플라스미드 벡터 또는 바이러스 벡터인 것인, 목적하는 단백질의 번역 효율 증가용 벡터.
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