KR20110092795A - 체세포 또는 줄기세포의 핵 이식을 이용한 복제개의 생산방법 - Google Patents
체세포 또는 줄기세포의 핵 이식을 이용한 복제개의 생산방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 구체예에 따른 복제 동물 생산과정을 나타내는 모식도이다.
도 3은 개 난관으로부터 얻어진, 감수분열 중기 II단계 (MII)의 in vivo 성숙난모 세포 (A) 및 활성화 후에 말기 II (TII) 단계의 개 난자 난모세포 (B)를 Hoechst 33342로 염색 후 형광 현미경하에서 핵 형태를 관찰한 것이다. (C)는 로스코비틴 처리후의 G2/M 단계에서 정지된 공여 세포를 나타낸 것이다.
도 4는 로스코비틴의 처리 농도 및 시간에 따른 체세포의 세포주기를 분석한 결과를 나타낸 것이다.
성분 | 함량 |
TCM powder 1L 용 (Gibco 31100-027) |
9.9g |
P/S 항생제 | 1%(페니실린 10000IU, 스트렙토마이신 10mg) |
HEPES 완충액 | 2.38g |
FBS | 10%(v/v) |
NaHCO3 | 0.1680g |
BSA | 5mg/L |
실험군 | 핵 이식란 | 융합된 배 | 2세포기 분할된 배(%) |
4세포기 | 8세포기 이상 |
MII-G0 |
38 | 34 (89.4%) | 8 (23.5±8.1) |
6 (17.6±7.7) |
1 (2.9±5.4) |
TII-G2/M |
43 | 38 (89.4%) | 14 (39.4±7.7) |
13 (34.2±7.3) |
3 (7.8±4.7) |
parthenogenesis | 25 | - | 11 (44.0±9.5) |
9 (36.0±9.0) |
4 (16±4.4) |
Claims (18)
- 핵 공여 세포를 감수분열 말기 II 단계의 탈핵된 난모 세포에 이식한 다음 융합시키는 단계를 포함하는 개과 동물의 핵 이식란을 제조하는 방법.
- 제1항에 있어서, 상기 핵 공여 세포는 유사분열 G2/M단계의 체세포 또는 줄기세포인 것을 특징으로 하는 방법.
- 제2항에 있어서, 상기 줄기세포는 배아 또는 성체 유래인 것을 특징으로 하는 방법.
- 제3항에 있어서, 상기 성체 유래 줄기세포는 골수, 제대혈, 혈액, 지방, 피부, 위장관, 태반 및 자궁으로 구성된 군으로부터 선택된 조직 유래인 것을 특징으로 하는 방법.
- 제2항에 있어서, 상기 체세포는 개과 동물의 난구세포, 상피세포, 섬유아세포, 신경세포, 각질세포, 조혈세포, 멜라닌 세포, 연골세포, 마크로파지, 단구세포, 근육세포, B 림프구, T 림프구, 배아 줄기세포, 배아 생식세포, 태아 유래 세포, 성체 유래 세포, 태좌세포 및 배아세포로 이루어진 그룹 중에서 선택된 어느 하나인 것을 특징으로 하는 개과 동물의 핵 이식란을 제조하는 방법.
- 제5항에 있어서, 상기 체세포는 섬유아세포 또는 난구세포인 것을 특징으로 하는 개과 동물의 핵 이식란을 제조하는 방법.
- 제2항에 있어서, 상기 유사분열 G2/M단계의 체세포는 로스코비틴(Roscovitine), 사이클로헥사마이드(Cyclohesimide), 디엠에스오 (DMSO), 부티로락톤 I(Butyrolactone I), 아피디콜린(Aphidicolin), 디메콜신(Demecolcine), 미모신(Mimosine), 콜치신(colchicine) 및 훽스트 33342(Hoechst 33342)으로 구성된 군에서 선택되는 세포 주기 동기화 유도물질을 첨가하여 배양하는 공정에 의해 수득되는 것을 특징으로 하는 방법.
- 제7항에 있어서, 상기 세포 주기 동기화 유도물질은 로스코비틴(Roscovitine), 디메콜신(Demecolcine) 또는 콜치신(colchicine) 인 것을 특징으로 하는 방법.
- 제7항 또는 제8항에 있어서, 상기 세포 주기 동기화 유도물질은 10 ~ 100μM의 농도로 첨가되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 감수분열 말기 II 단계의 탈핵된 난모세포는,
감수분열 중기 II 단계의 세포를 활성화 후 배양하여 감수분열 말기 II 단계로 유도한 다음 탈핵된 것임을 특징으로 하는 방법.
- 제1항에 있어서, 상기 융합공정은 전압이 2.0∼6.0 kV/cm인 조건에서 수행되는 전기융합인 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 융합공정은 전압이 3.5∼5.0 kV/cm인 조건에서 수행되는 전기융합인 것을 특징으로 하는 방법.
- 제2항의 방법으로 제조되고, 감수분열 말기 II 단계의 탈핵된 난모세포에 유사분열 G2/M단계의 체세포의 핵이 이식되어 있는, 복제된 개과 동물의 생산용 핵 이식란.
- 제2항의 방법으로 제조되고, 감수분열 말기 II 단계의 탈핵된 난모세포에 줄기 세포의 핵이 이식되어 있는, 복제된 개과 동물의 생산용 핵 이식란.
- 핵 공여 세포를 감수분열 말기 II 단계의 탈핵된 난모 세포에 이식 한 다음 융합시켜 핵 이식란을 제조하는 단계 및 상기 제조된 핵 이식란을 즉시 대리모에게 이식시켜 발생시키는 단계를 포함하는, 복제된 개과 동물의 생산방법.
- 제15항에 있어서, 상기 핵 공여 세포는 유사분열 G2/M단계의 체세포 또는 줄기세포인 것을 특징으로 하는 방법.
- 제16항에 있어서, 상기 유사분열 G2/M단계의 체세포는 로스코비틴(Roscovitine), 사이클로헥사마이드(Cyclohesimide), 디엠에스오 (DMSO), 부티로락톤 I(Butyrolactone I), 아피디콜린(Aphidicolin), 디메콜신(Demecolcine), 미모신(Mimosine), 콜치신(colchicine) 및 훽스트 33342(Hoechst 33342)으로 구성된 군에서 선택되는 세포 주기 동기화 유도물질을 첨가하여 배양하는 공정에 의해 수득되는 것을 특징으로 하는 방법.
- 제15항에 있어서, 상기 융합공정은 전압이 3.5∼5.0 kV/cm인 조건에서 수행되는 전기융합인 것을 특징으로 하는 방법.
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