KR101590247B1 - 돼지 Sal-like 1 유전자 타겟팅 벡터 및 Sal-like 1 유전자 타겟팅 TALEN을 이용한, Sal-like 1 유전자 넉-아웃 세포의 제조 방법 - Google Patents
돼지 Sal-like 1 유전자 타겟팅 벡터 및 Sal-like 1 유전자 타겟팅 TALEN을 이용한, Sal-like 1 유전자 넉-아웃 세포의 제조 방법 Download PDFInfo
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- KR101590247B1 KR101590247B1 KR1020140016781A KR20140016781A KR101590247B1 KR 101590247 B1 KR101590247 B1 KR 101590247B1 KR 1020140016781 A KR1020140016781 A KR 1020140016781A KR 20140016781 A KR20140016781 A KR 20140016781A KR 101590247 B1 KR101590247 B1 KR 101590247B1
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Abstract
Description
도 2는 돼지 Sal-like 1 유전자 넉-아웃 벡터을 제조하기 위하여 5' arm, 3'arm과 PGK-neo 유전자를 동정한 사진과 넉-아웃 벡터를 제작한 다음 제한효소 절단에 의하여 확인한 도이다.
도 3은 본 발명에 따른 돼지 Sal-like 1 유전자 넉-아웃 벡터의 원형 플라스미드 구조와 이의 직선화시의 구조를 나타내는 도이다.
도 4는 본 발명에서 개발한 Sal-like 1 유전자의 엑손 2 부분을 절단할 수 있는 TALEN의 결합 부위와 절단 부위의 모식도이다.
도 5는 본 발명에서 제작한 넉-아웃 벡터와 TALEN을 동시에 돼지 체세포에 도입하고 넉-아웃된 세포를 동정한 효율을 정리한 표이다.
도 6은 본 발명에서 제작한 넉-아웃 벡터와 TALEN을 동시에 돼지 체세포에 도입하고 넉-아웃된 세포를 동정한 PCR 사진이다.
도 7은 본 발명에서 제작한 넉-아웃 벡터와 TALEN을 동시에 도입하여 제조한 돼지 체세포의 염색체를 확인한 도이다.
Claims (10)
- (ⅰ) Sal-like 1 유전자의 인트론 1의 일부분 및 엑손 2의 일부분을 1 내지 6kb 길이로 포함하는 제1 핵산 영역; (ⅱ) 양성 선별마커(positive selection marker) 유전자 카세트; 및 (ⅲ) Sal-like 1 유전자의 엑손 2의 일부분 및 인트론 2의 일부분을 1.5 내지 2.5kb 길이로 포함하는 제2 핵산 영역을 포함하고, 상기 (ⅰ) 내지 (ⅲ)이 5' 말단에서부터 순서대로 구성되는 것을 특징으로 하는, Sal-like 1 유전자 타겟팅 벡터; 및
Sal-like 1 유전자의 엑손 2를 타겟팅하는 TALEN(Transcription activator-like effector nuclease)을 분리된 돼지 세포에 도입하는 단계를 포함하는, Sal-like 1 유전자가 넉-아웃(knock-out)된 돼지 세포의 제조 방법.
- 제1항에 있어서,
상기 방법은 추가로 돼지 Sal-like 1 유전자가 넉-아웃된 돼지 세포를 선별하는 단계를 포함하는, 제조 방법.
- 제1항에 있어서,
상기 Sal-like 1은 돼지 유래인 것인 제조 방법.
- 제1항에 있어서,
상기 벡터의 제1 핵산 영역은 돼지 Sal-like 1 유전자의 엑손 2의 1664bp의 업스트림(upstream) 방향으로 1.7 내지 6kb를 가지는 것인 제조 방법.
- 제1항에 있어서,
상기 벡터의 제2 핵산 영역은 돼지 Sal-like 1 유전자의 엑손 2의 2738bp로부터 다운스트림(downstream) 방향으로 1.5 내지 2.5kb를 가지는 것인 제조 방법.
- 제1항에 있어서,
상기 양성 선별마커는 네오마이신(Neomycin; Neo), 하이그로마이신(hygromycin; Hyg), 히스티디놀 디하이드로게나제(histidinol dehydrogenase gene; hisD) 및 구아닌 포스포리보실트랜스퍼라제(guanine phosphosribosyltransferase; Gpt)로 이루어지는 군으로부터 선택되는 것인 제조 방법.
- 제1항에 있어서,
상기 벡터는 추가로 음성 선별마커 유전자 카세트를 포함하는 것인 제조 방법.
- 제7항에 있어서,
상기 음성 선별마커는 디프테리아 톡신(Diphtheria toxin), 헤르페스 심플렉스 바이러스-싸이미딘 키나제(Herpes simplex virus-thymidine kinase; HSV-tk), 하이포잔틴 포스포리보실 트랜스퍼라아제(hypoxanthine phosphoribosyl transferase; Hprt) 및 사이토신 디아미네즈(cytosine deaminase)로 이루어진 군으로부터 선택되는 것인 제조 방법.
- 제1항에 있어서,
상기 방법은 Sal-like 1 유전자의 엑손 2에 위치한 서열번호 9의 코딩 가닥(coding strand) 부위에 결합하는 TALEN 및 서열번호 10의 주형 가닥(template strand) 부위에 결합하는 TALEN을 사용하는 것인 제조 방법.
- (a)(ⅰ) Sal-like 1 유전자의 인트론 1의 일부분 및 엑손 2의 일부분을 1 내지 6kb 길이로 포함하는 제1 핵산 영역; (ⅱ) 양성 선별마커(positive selection marker) 유전자 카세트; 및 (ⅲ) Sal-like 1 유전자의 엑손 2의 일부분 및 인트론 2의 일부분을 1.5 내지 2.5kb 길이로 포함하는 제2 핵산 영역을 포함하고, 상기 (ⅰ) 내지 (ⅲ)이 5' 말단에서부터 순서대로 구성되는 것을 특징으로 하는, Sal-like 1 유전자 타겟팅 벡터; 및 Sal-like 1 유전자의 엑손 2를 타겟팅하는 TALEN(Transcription activator-like effector nuclease)으로 Sal-like 1 유전자가 넉-아웃된 돼지 체세포를 제조하는 단계;
(b) 핵이 제거된 돼지 난자에 (a) 단계에서 제조한 체세포를 도입하여 체세포 핵이식된 수정란을 제조하는 단계; 및
(c) 상기 수정란을 돼지에 착상시키는 단계를 포함하는, Sal-like 1 유전자가 넉-아웃(knock-out)된 형질전환 돼지의 제조 방법.
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