KR20170120089A - 히스톤 h3-리신 트리메틸화를 제거함으로써 체세포 핵 이식(scnt) 효율을 증가시키는 방법 및 조성물 - Google Patents
히스톤 h3-리신 트리메틸화를 제거함으로써 체세포 핵 이식(scnt) 효율을 증가시키는 방법 및 조성물 Download PDFInfo
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- KR20170120089A KR20170120089A KR1020177010127A KR20177010127A KR20170120089A KR 20170120089 A KR20170120089 A KR 20170120089A KR 1020177010127 A KR1020177010127 A KR 1020177010127A KR 20177010127 A KR20177010127 A KR 20177010127A KR 20170120089 A KR20170120089 A KR 20170120089A
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Abstract
Description
| 재프로그래밍 특징 | iPS | SCNT | 공급원 |
| 속도 | 느림(수일 또는 수주) | 빠름(수시간) | (Yamanaka & Blau, 2010) |
| 효율 | 낮음 | 높음 | (Pasque, Miyamoto, & Gurdon, 2010) |
| 인자 | Oct4, Sox2, Klf4 | 아직 확인되지 않음(Oct4 아님) | (Apostolou & Hochedlinger, 2013; Jullien, Pasque, Halley-Stott, Miyamoto, & Gurdon, 2011) |
| 양상 | 확률적 | 결정성 | (Jullien et al., 2011) |
| 효력 | 다능성 | 전능성(totipotency) | (Mitalipov & Don Wolf, 2009) |
도 2a-2e는 재프로그래밍 저항성 영역(RRR)이 체세포에서 H3K9me3이 풍부함을 보여준다. 도 2a는 IVF 및 SCNT 배아의 전사물의 히트맵 도시이다. 각 타일은 슬라이딩-윈도우 분석(sliding-window analysis)에 의해 수득한 영역 내의 피크의 평균을 나타낸다. 난구 유래 SCNT 배아에 비교하여 1-세포(12 h) 내지 2-세포(28 h) 단계 IVF 배아로부터 활성화되는 811개 영역이 나타난다. 이들 영역을 SCNT- 및 IVF 2-세포 배아 사이의 전사 수준에서의 배수-변화(FC)에 기초하여 세 그룹으로 분류하였다. FRR, PRR 및 RRR은 완전히 재프로그램된 영역(FRR)(FC <= 2), 부분적으로 재프로그램된 영역(PRR)(2 < FC <= 5) 및 재프로그래밍 저항성 영역(RRR)(FC > 5)을 각각 나타낸다. 도 2b는 2 MB 인접 영역과 비교할 때 FRR, PRR 및 RRR 내에서 나타난 MEF 세포에서의 6 히스톤 변형의 평균 ChIP-seq 강도를 보여준다. 판독값 카운트는 입력, 총 맵핑된 판독값 및 영역 길이에 의해 정규화된다. 도 2c는 염색체 7 상의 RRR의 대표적인 게놈 브라우저 뷰를 보여준다. 도 2d 및 2e는 상이한 체세포 타입에서 FRR, PRR 및 RRR 내의 H3K9me3-ChIP-seq(도 2d) 또는 DNaseI-seq(도 2e)의 평균 강도를 비교하는 상자 그림이다. (도 2b-2e)에 나타난ChIP-seq 및 DNaseI-seq 데이터세트는 ENCODE 프로젝트로(Bernstein et al., 2012; The Encode Consortium Project, 2011)부터 수득되었다. 약어: 완전히 재프로그램된 영역(FRR), 부분적으로 재프로그램된 영역(PRR) 및 재프로그래밍 저항성 영역(RRR).
도 3a-3f는 마우스 SCNT 배아내로의 Kdm4d mRNA의 주입이 Kmd4d의 외인성 발현을 야기하고 체세포의 공여체 핵으로부터 전달된 H3K9me3을 제거하고 2-세포 SCNT 배아에서 침묵된 유전자의 억제해제를 야기함을 보여준다. 도 3a는 실험 절차의 도식적 예시이다. 난구 세포로부터 유도된 SCNT 배아에 활성화 후 5시간(hpa)에 야생형 또는 촉매 결함 Kdm4d mRNA를 주입하였다. RNA-seq를 위해 사용된 샘플은 점선 직사각형으로 표시한다. 도 3b는 항-H3K9me3 및 DAPI로 염색된 1-세포 및 2-세포 단계 SCNT 배아의 대표적인 핵 이미지를 보여준다. 단일 난할구의 핵이 각 패널에 나타난다. 크기 바, 10 ㎛. 도 3c는 2-세포 단계에서 222개 RRR의 전사 수준을 비교하는 히트맵이다. 222개 RRR 중 184개의 발현 수준이 야생형 Kdm4d 주입에 대한 반응으로 상당히(FC > 2) 증가하지만, 촉매 돌연변이 Kdm4d 주입에 대해서는 그렇지 않다. 도 3D는 염색체 7 상의 RRR의 예의 게놈 브라우저 뷰를 보여준다. 도 3e는 이 연구에서 사용된 모든 샘플의 계층적 클러스터링을 보여준다. 야생형 Kdm4d가 주입된 2-세포 SCNT 배아가 그들의 전사체 분석에 기초하여 2-세포 IVF 배아와 함께 모였음을 보여준다. 도 3f는 Kdm4d 주입 후 IVF와 SCNT 2-세포 배아 사이의 상이하게 발현된 유전자(FC > 3)의 수가 감소됨을 보여주는 막대 그래프이다.
도 4a-4h는 Kdm4d mRNA의 주입이 SCNT 배아의 발생 잠재력을 개선함을 보여준다. 도 4a는 Kdm4d mRNA 주입이 SCNT 배아의 난구 공여체 세포, 세르토리 공여체 세포 및 MEF 공여체 세포로부터 유도된 배반포로의 착상전 발생을 크게 개선함을 보여준다. 표시된 단계에 도달하는 마우스 SCNT 배아의 백분율이 나타난다. XX 및 XY는 공여체 마우스의 성별을 나타낸다. 에러 바는 표준 편차를 나타낸다. 도 4b는 인 비트로에서 120시간 배양 후 SCNT 배아의 대표적 이미지를 보여준다. 스케일 바, 100㎛. 도 4c는 Kdm4d mRNA 주입이 트리코스타틴 A(TSA;15 nM)의 처리에 비하여 추가의 효과를 가짐을 보여준다. 96 hpa에서 배반포 단계에 도달한 배아의 백분율이 나타난다. * P <0.05, ** P < 0.01, *** P < 0.001. ns, 유의하지 않음. 도 4d는 피더 세포(feeder cell)에의 부착 효율 및 마우스 SCNT 배반포의 ntESC 유도를 보여주는 막대 그래프이다. 도 4e는 마우스 ntESC 유도의 효율을 보여주는 막대 그래프이다. 효율은 SCNT 배아의 생성을 위해 사용된 MII 난모세포의 총 수에 기초하여 계산하였다. 도 4f는 착상률을 보여주며, 도 4g는 E19.5상의 제왕절개에 의해 검사된 SCNT 배아의 출생률을 보여준다. 도 4h는 Kdm4d mRNA가 주입된 난구 세포의 SCNT에 의해 유도된 성체 암컷 마우스 및 야생형 수컷과의 자연 교미를 통해 태어난 그 새끼의 이미지이다. 또한, 표 2-4를 참고한다.
도 5a-5d는 SCNT 배아의 빈약한 발생 표현형을 책임지는 후보 유전자를 보여준다. 도 5a는 SCNT 2-세포 배아에서 활성화되지 못한 유전자(도 1d 내의 그룹 3)와 SCNT 2-세포 배아에서 Kdm4d 효소 활성-의존적으로 억제해제된 유전자 사이의 중복을 보여주는 벤 다이어그램이다. 유전자 온톨로지(GO) 강화 분석을 49개 중복 유전자에서 수행하였다. 도 5b는 도 5a에서의 49개 중복 유전자의 발현 패턴을 보여주는 히트맵이다. 도 5c는 실험 절차의 도식적 예시이다. Zscan4d mRNA를 20 hpa (초기 2-세포 단계)의 SCNT 배아의 2-세포 난할구의 두 세포 모두내로 주입하였다. 도 5d는 세포 당 0, 20, 200 또는 2000 ng/㎕로 Zscan4d mRNA가 주입된 SCNT 배아의 착상전 발생률을 보여준다. 에러 바는 세 가지의 생물학적 반복물의 표준편차를 나타낸다. 또한 도 11 및 표 6을 참고한다.
도 6a-6d는 Suv39h1/2가 H3K9me3 장벽의 확립을 책임짐을 보여준다. 도 6a는 siRNA 형질감염된 MEF 세포를 이용하는 SCNT의 도식적 예시를 보여준다. 도 6b는 형질감염 6일에 항-H3K9me3 항체 및 DAPI로 염색된 MEF 세포의 대표적 이미지를 보여준다(상세한 것은 방법을 참고한다). 스케일 바, 10 ㎛. 도 6c는 상이한 넉다운 MEF 세포로부터 유도된 SCNT 배아의 착상전 발생률을 보여준다. 에러 바는 세 가지 생물학적 반복물의 표준편차를 나타낸다. 도 6d는 인 비트로에서 120시간 배양 후 SCNT 배아의 대표적 이미지를 보여준다. 스케일 바, 100 ㎛.
도 7은 H3K9me3 재프로그래밍 장벽이 어떻게 극복될 수 있는지를 보여주는 모델이다. 분화된 체세포 내의 Suv39h-침적 H3K9me3은 SCNT-매개 재프로그래밍을 위한 전사 장벽으로서 작용하여 정상 배아 발생에 영향을 주고 발생 중지를 야기한다(좌측). 외인성 Kdm4d의 발현(중간)에 의한 또는 Suv39h 억제 또는 Suv39h 넉다운에 의한 H3K9me3 확립 방지를 통한(우측) 이 장벽의 제거는 SCNT 배아에서 발생 조절자의 활성화를 야기하여, 성공적인 배아 발생을 야기하고 발생 중지를 방지할 수 있다.
도 8a-8b는 (도1에 관련되며) RNA-seq 정보의 요약을 보여준다. 도 8a는 이 연구에서 사용된 두 가지 생물학적 반복물을 가진 7가지 타입의 샘플의 각 샘플을 위한 전체 및 유일하게 맵핑된 판독값의 요약이다. 도 8b는 상이한 생물학적 반복물의 재현성의 산점도 평가를 보여준다.
도 9a-9e는(도 2에 관련되며) RRR이 체세포에서 이질염색질 특징을 보유함을 보여준다. 도 9a는 MEF 세포에서의 히스톤 변형의 ChIP-seq 데이터 및 2-세포 배아의 RNA-seq 데이터를 보여주는 염색체 13상의 RRR의 예의 게놈 브라우저 뷰를 보여준다. 이 RRR은 H3K9me3 피크의 큰 블록과 중복되며 유전자-빈약 영역 내에 위치됨을 주목한다. 도 9b는 FRR, PRR 및 RRR에서, 단백질 코딩 유전자의 밀도를 나타내는 엑손 서열의 평균 백분율을 비교하는 상자 그림이다. *** P < 0.001. 도 9c는 FRR, PRR 및 RRR 내의 반복 서열의 평균 백분율을 비교하는 상자 그림이다. *** P < 0.001. 도 9d는 거핵세포 및 전체 뇌 내의 H3K9me3을 위한 ChIP-seq의 평균 값을 비교하는 상자 그림이다. ChIP-seq 데이터는 ENCODE 프로젝트(Bernstein et al., 2012)로부터 수득하였다. H3K9me3은 FRR 및 PRR에 비교하여 RRR에서 상당히 풍부하다. 도 9e는 전체 뇌, T-조절 세포, Cell_416b 및 Mel 세포에서 DNaseI 처리 후 서열 강도의 평균 값을 비교하는 상자 그림이다. DNaseI-seq 데이터는 ENCODE 프로젝트(The Encode Consortium Project, 2011)로부터 수득하였다. RRR은 모든 4가지 타입의 세포/조직에서 FRR 또는 PRR보다 DNaseI에 상당히 덜 민감하다. ** P < 0.01, *** P < 0.001. 약어: 완전히 재프로그램된 영역(FRR), 부분적으로 재프로그램된 영역(PRR) 및 재프로그래밍 저항성 영역(RRR).
도 10a-10c는 (도 3에 관련되며) RRR의 전사가 Kdm4d mRNA 주입에 의해 회복될 수 있음을 보여준다. 도 10a는 염색체 7상의 대표적인 RRR의 게놈 브라우저 뷰를 보여준다. 도 10b는 염색체 13상의 RRR의 예의 게놈 브라우저 뷰를 보여준다. 도 10c는 Kdm4d WT 주입된 SCNT 2-세포 배아의 유전자 발현을 IVF 2-세포 배아의 것과 비교하는 산점도이다. IVF(IVF-고) 또는 SCNT(SCNT-고) 배아에서 더 많이 발현된 유전자(FC > 3)를 각각 회색과 검정색으로 채색하였다.
도 11은 (도 5에 관련되며) SCNT 배아의 빈약한 발생 표현형에 대해 잠재적으로 담당하는 후보 비-유전자 전사물의 발현 수준을 보여준다. 막대 그래프는 IVF 및 SCNT 배아에서 주요 위성 DNA 및 마우스 내인성 레트로트랜스포존(retrotransposon) MERVL의 발현 수준(유일하게 맵핑된 판독값 수)을 나타낸다.
도 12a-12c는 (도 6에 관련되며) 넉다운 효율의 RT-qPCR 분석으로부터의 결과를 보여준다. 각 siRNA의 형질감염 후 48시간에 MEF 세포에서 Suv39h1(도 12a), Suv39h2(도 12b) 및 Setdb1(도 12c) mRNA 수준의 RT-qPCR 분석. 나타난 데이터는 Gapdh에 대한 평균 발현 값이다. 대조군의 값은 1.0으로 설정하였다. 에러 바는 세 가지 생물학적 반복물의 표준편차를 나타낸다. *** 스튜던츠(Student's) T-테스트에 의해P<0.001.
| 유전자 | 서열번호 | siRNA 서열 |
| 인간 Suv39h1 | 17 | GAAACGAGUCCGUAUUGAAtt, (센스) |
| 인간 Suv39h1 | 18 | UUCAAUACGGACUCGUUUCtt (안티센스) |
| 인간 Suv39h2 | 19 | GCUCACAUGUAAAUCGAUUtt (센스) |
| 인간 Suv39h2 | 20 | AAUCGAUUUACAUGUGAGCtt (안티센스) |
| 인간 Suv39h1 | 21 | GGUGUACAACGUAUUCAUAtt (센스) |
| 인간 Suv39h1 | 22 | UAUGAAUACGUUGUACACCtg (안티센스) |
| 인간 Suv39h1 | 23 | GGUCCUUUGUCUAUAUCAAtt (센스) |
| 인간 Suv39h1 | 24 | UUGAUAUAGACAAAGGACCtt (안티센스) |
| 인간 Suv39h2 | 25 | GCUCACAUGUAAAUCGAUUtt (센스) |
| 인간 Suv39h2 | 26 | AAUCGAUUUACAUGUGAGCtt (안티센스) |
| 인간 Suv39h2 | 27 | GUGUCGAUGUGGACCUGAAtt (센스) |
| 인간 Suv39h2 | 28 | UUCAGGUCCACAUCGACACct (안티센스) |
| 인간 Setdb1 (ESET) | 29 | GGACUACAGUAUCAUGACAtt (센스) |
| 인간 Setdb1 (ESET) | 30 | UGUCAUGAUACUGUAGUCCca (안티센스) |
| 인간 Setdb1 (ESET) | 31 | GGACGAUGCAGGAGAUAGAtt(센스) |
| 인간 Setdb1 (ESET) | 32 | UCUAUCUCCUGCAUCGUCCga (안티센스) |
| 인간 Setdb1 (ESET) | 33 | GGAUGGGUGUCGGGAUAAAtt (센스) |
| 인간 Setdb1 (ESET) | 34 | UUUAUCCCGACACCCAUCCtt (안티센스) |
| 인간 Ehmt1(GLP) | 35 | GCACCUUUGUCUGCGAAUAtt (센스) |
| 인간 Ehmt1(GLP) | 36 | UAUUCGCAGACAAAGGUGCcc (안티센스) |
| 인간 Ehmt1(GLP) | 37 | GAUCAAACCUGCUCGGAAAtt (센스) |
| 인간 Ehmt1(GLP) | 38 | UUUCCGAGCAGGUUUGAUCca (안티센스) |
| 인간 PRDM2/Riz1 | 39 | GAAUUUGCCUUCUUAUGCAtt (센스) |
| 인간 PRDM2/Riz1 | 40 | UGCAUAAGAAGGCAAAUUCtt (안티센스) |
| 인간 PRDM2/Riz1 | 41 | GAGGAAUUCUAGUCCCGUAtt (센스) |
| 인간 PRDM2/Riz1 | 42 | UACGGGACUAGAAUUCCUCaa (안티센스) |
| 공여체 세포 | TSA 처리 (nM/h) |
주입된 mRNA | 공여체 세포에 처리된 siRNA | 반복물 수 |
재구성된 1-세포 배아의 수 | 난할%/1-세포 ±SD |
%4-세포/2-세포±SD |
%상실배/2-세포 ±SD |
%배반포/2-세포 ±SD |
||
| 세포 배경 성별 유형 |
|||||||||||
| 난구 세포 |
BDF1 |
암컷 |
- | 물 | - | 5 | 91 | 94.8±2.9 | 45.6±18.9 | 35.8±5.6 | 26.0±11.3 |
| - | Kdm4d WT | - | 4 | 76 | 92.7±6.2 | 98.9±2.3* | 96.5±4.4* | 88.6±3.9* | |||
| - | Kdm4d MUT | - | 3 | 62 | 98.6±2.5 | 42.2±12.3 | 30.8±10.5 | 24.4±8.6* | |||
| 15/8 | 물 | - | 3 | 44 | 98.0±3.4 | 72.1±10.9* | 60.8±6.8* | 53.8±6.2* | |||
| 15/8 | Kdm4d WT | _ | 3 | 51 | 94.1±0.0 | 95.8±0.0* | 93.8±6.3* | 87.5±12.5* | |||
| 세르토리 세포 | BDF1 |
수컷 | - | 물 | - | 3 | 72 | 87.6±4.3 | 52.6±8.0 | 36.8±8.2 | 26.4±6.3 |
| - | Kdm4d WT | - | 4 | 102 | 89.3±8.4 | 95.3±3.6* | 91.6±6.4* | 81.2±7.5* | |||
| MEF | C57BL/6 | 수컷 | - | 물 | 대조군# | 5 | 124 | 82.0±5.0 | 17.9±15.2 | 10.0±11.0 | 6.7±8.2 |
| - | Kdm4d WT | 대조군# | 4 | 56 | 86.9±8.8 | 95.4±5.5* | 89.6±7.9* | 82.0±10.3* | |||
| - | - | Setdb1 | 3 | 77 | 84.7±6.6 | 12.5±11.9 | 4.8±8.2 | 3.2±5.5 | |||
| - | - | Suv39h1/h2 | 3 | 80 | 77.3±4.7 | 59.9±8.8* | 53.8±9.6* | 49.9=9.0* | |||
| - - - |
- - - |
Suv39h1/h2 Setbl1 |
3 |
77 | 68.5±13.2 |
77.4±12.9* |
74.1±15.8* | 65.6±9.8* | |||
| 공여체 세포 | TSA 처리 (nM/h) |
주입된mRNA | MII 난모세포의 수 | 재구성된 1-세포 배아의 수 | 배반포의 수(%/1-세포) | ntESC 유도 | ||||
| 세포유형 | 배경 | 성별 | 피더 세포에 부착된 배반포의 수(%/배반포 | 확립된 ntESC 세포주의 수(%/배반포) | 확립된 ntESC 세포주의 수(%/MII 난모세포) | |||||
| 난구세포 | BDF1 | 암컷 | - | 물 | 69 | 62 | 14(22.6) | 10(71.4) | 7(50.0) | 7(10.1) |
| - | Kdm4d WT | 20 | 19 | 18(94.7) | 13(72.2) | 1.(55.6_ | 10(50.0) | |||
| 15/8 | 물 | 44 | 39 | 20(51.3) | 14(70.0) | 8(40.0) | 8(18.2) | |||
| 15/8 | Kdm4d WT | 25 | 22 | 21(95.5) | 16(76.2) | 11(52.3) | 11(44.0) | |||
| 방법 | 공여체 세포 | 주입된 mRNA | 수용체 수 | 이식된 2-세포 배아의 수 | 착상된 수(%/ET) | 새끼의 수(%/ET) | 출생시 체중 | 출생시 태반 무게 (g±SD) |
||
| 세포 유형 | 배경 | 성별 | ||||||||
| SCNT | 난구 | BDF1 | 암컷 | 물 | 6 | 104 | 22(21.2) | 0 (0.0) | N/A | N/A |
| Kdm4d WT | 8 | 119 | 75(63.0) | 9 (7.6) | 1.60±0.15 | 0.32±0.03 | ||||
| 세르토리 | BDF1 | 수컷 | 물 | 5 | 99 | 21(21.2) | 1 (1.0) | 1.53 | 0.40 | |
| Kdm4d WT | 7 | 92 | 59(64.1) | 8 (8.7) | 1.48±0.11 | 0.26±0.10 | ||||
| IVF* | 4 | 72 | 54(75.0) | 41 (56.9) | 1.47±0.11 | 0.10±0.02 | ||||
| 주입된 Zscan4d mRNA의 농도 (ng/㎕) | 반복물의 수 | 재구성된 1-세포의 수± SD | % 4-세포/2-세포%±SD | % 상실배/2-세포 ±SD | % 배반포/2-세포± |
| 0 | 3 | 98.0 ±3.4 | 42.5±17.5 | 38.8±15.2 | 30.8±6.3 |
| 20 | 3 | 00.0 ±0.0 | 44.2±7.9 | 38.3±3.4 | 30.4±6.0 |
| 200 | 3 | 8.0 ±3.4 | 45.4±14.4 | 41.7±17.6 | 30.0±8.7 |
| 2000 | 3 | 8.2 ±3.0 | 60.3±11.1 | 48.9±7.3 | 39.9±4.6 |
Claims (94)
- 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 체세포 핵 이식(SCNT) 배아를 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아에서 H3K9me3 메틸화를 감소시키는 제제와 접촉시켜 SCNT의 효율을 증가시키는 것을 포함하는, 체세포 핵 이식(SCNT)의 효율을 증가시키는 방법.
- 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 체세포 핵 이식(SCNT) 배아 중 적어도 하나를 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아에서 H3K9me3 메틸화를 감소시키는 적어도 하나의 제제와 접촉시키며, 수용체 포유류 난모세포는 유핵(nucleated) 또는 제핵(enucleated) 난모세포이며;
상기 포유류 난모세포가 유핵이면 수용체 포유류 난모세포의 핵을 제거하며;
상기 공여체 포유류 세포로부터의 핵을 제핵 난모세포에 이식하고;
상기 수용체 난모세포를 포유류 SCNT 배아를 형성하기에 충분한 시간 동안 인큐베이션하는 것을 포함하는, 포유류 체세포 핵 이식(SCNT) 배아의 생산 방법. - 제1항 또는 제2항에 있어서, 상기 제제는 히스톤 디메틸라제의 Kdm4(Jmjd2) 패밀리의 발현 또는 활성을 증가시키는 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 제제는 Kdm4a(Jmjd2a), Kdm4b(Jmjd2b), Kdm4c(Jmjd2c) 또는 Kdm4d(Jmjd2d) 중 적어도 하나의 발현 또는 활성을 증가시키는 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 제제는 Kdm4d(Jmjd2D) 또는 Kdm4A(Jmjd2A)의 발현 또는 활성을 증가시키는 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 제제는 서열번호 1-8에 해당하는 핵산 서열 또는 서열번호 1-8의 해당 서열에 비교할 때 유사하거나 더 큰 정도로 SCNT의 효율을 증가시키는 그의 생물학적 활성 단편을 포함하는 방법.
- 제6항에 있어서, 상기 제제는 서열번호 1에 해당하는 핵산 서열 또는 서열번호 1의 핵산 서열과 비교할 때 유사하거나 더 큰 정도로 SCNT의 효율을 증가시키는 그의 생물학적 활성 단편을 포함하는 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 제제는 H3K9 메틸트랜스퍼라제의 억제제인 방법.
- 제8항에 있어서, 상기 H3K9 메틸트랜스퍼라제는 Suv39h1 또는 Suv39h2인 방법.
- 제8항에 있어서, 상기 H3K9 메틸트랜스퍼라제는 Setdb1인 방법.
- 제8항에 있어서, Suv39h1, Suv39h2 및 Setdb1 중 둘 이상이 억제되는 방법.
- 제8항에 있어서, H3K9 메틸트랜스퍼라제를 억제하는 제제는 RNAi 제제, CRISPR/Cas9, 올리고뉴클레오티드, 중화 항체 또는 항체 단편, 앱타머, 소분자, 펩티드 억제제, 단백질 억제제, 아비디미르 및 그의 기능성 단편 또는 유도체로 이루어지는 군으로부터 선택되는 방법.
- 제12항에 있어서, 상기 RNAi 제제는 siRNA 또는 shRNA 분자인 방법.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 제제는 서열번호 9, 11, 13 또는 15 중 어느 하나의 발현을 억제하기 위한 핵산 억제제를 포함하는 방법.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 제제는 서열번호 10, 12, 14 또는 16 중 어느 하나의 발현을 억제하기 위한 핵산 억제제를 포함하는 방법.
- 제15항에 있어서, 상기 RNAi 제제는 서열번호 17 또는 서열번호 19의 적어도 일부에 하이브리드화하는 방법.
- 제16항에 있어서, 상기 RNAi 제제는 서열번호 18 또는 서열번호 20 또는 그의 적어도 10 연속 핵산의 단편, 또는 서열번호 18 또는 서열번호 20에 적어도 80% 동일한 서열을 갖는 상동체를 포함하는 방법.
- 제1항 내지 제17항 중 어느 한 항에 있어서, 상기 수용체 포유류 난모세포는 제핵 포유류 난모세포인 방법.
- 제1항 내지 제18항 중 어느 한 항에 있어서, 상기 SCNT 배아는 1-세포 단계 SCNT 배아, 활성화 후 5시간 SCNT 배아(5hpa), 활성화 후 10-12 시간 사이 SCNT 배아(10-12 hpa), 활성화 후 20-28시간 SCNT 배아(20-28hpa), 2-세포 단계 SCNT 배아 중 어느 하나로부터 선택되는 방법.
- 제1항 내지 제19항 중 어느 한 항에 있어서, 상기 제제는 핵 이식 이전에 수용체 포유류 난모세포 또는 제핵 포유류 난모세포와 접촉하는 방법.
- 제1항 내지 제19항 중 어느 한 항에 있어서, 상기 제제는 활성화 이전에 또는 활성화 후 5시간 후에 또는 SCNT 배아가 1-세포 단계일 때 SCNT 배아와 접촉하는 방법.
- 제1항 내지 제19항 중 어느 한 항에 있어서, 상기 제제는 활성화 후 5시간 후에(5hpa) 또는 활성화 후 12시간 후에(hpa) 또는 활성화 후 20시간 후에(20hpa) 또는 SCNT 배아가 2-세포 단계일 때, 또는 5hpa와 28hpa 사이의 어느 시간에 SCNT 배아와 접촉하는 방법.
- 제1항 내지 제22항 중 어느 한 항에 있어서, 상기 수용체 포유류 난모세포 또는 SCNT 배아와 제제의 접촉은 수용체 포유류 난모세포 또는 SCNT 배아의 핵 또는 세포질 내로 제제를 주입하는 것을 포함하는 방법.
- 제1항 내지 제23항 중 어느 한 항에 있어서, 상기 제제는 히스톤 디메틸라제의 Kdm4 패밀리의 발현 또는 활성을 증가시키는 방법.
- 제1항 내지 제24항 중 어느 한 항에 있어서, 상기 제제는 공여체 포유류 세포의 핵을 제핵 포유류 난모세포 내로 주입하기 전에 공여체 포유류 세포의 세포질 또는 공여체 포유류 세포의 핵과 접촉하는 방법.
- 제25항에 있어서, 상기 공여체 포유류 세포는 제핵 포유류 난모세포 내로 공여체 포유류 세포의 핵을 주입하기 전 적어도 24 시간에 또는 주입하기 전 적어도 1일 동안 접촉되는 방법.
- 제25항에 있어서, 상기 제제는 제핵 포유류 난모세포 내로 공여체 포유류 세포의 핵을 주입하기 전에 적어도 24시간, 또는 적어도 48 시간, 또는 적어도 3일 동안 공여체 포유류 세포와 접촉하는 방법.
- 제25항 내지 제27항 중 어느 한 항에 있어서, 상기 제제는 H3K9 메틸트랜스퍼라제를 억제하는 방법.
- 제25항 내지 제28항 중 어느 한 항에 있어서, 상기 H3K9 메틸트랜스퍼라제는 Suv39h1 또는 Suv39h2, 또는 Suv39h1 및 Suv39h2(Suv39h1/2)인 방법.
- 제1항 내지 제29항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포는 최종 분화된 체세포인 방법.
- 제1항 내지 제30항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포는 배아 줄기 세포 또는 유도된 다능성 줄기(iPS) 세포 또는 태아 세포 또는 배아 세포가 아닌 방법.
- 제1항 내지 제31항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포는 난구 세포, 상피 세포, 섬유아세포, 신경 세포, 각질세포, 조혈 세포, 멜라닌세포, 연골세포, 적혈구, 대식세포, 단핵구, 근육 세포, B 림프구, T 림프구, 배아 줄기 세포, 배아 배 세포, 태아 세포, 태반 세포 및 성체 세포로 이루어지는 군으로부터 선택되는 방법.
- 제1항 내지 제32항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포는 섬유아세포 또는 난구 세포인 방법.
- 제1항 또는 제33항 중 어느 한 항에 있어서, 상기 제제는 제핵 수용체 포유류 난모세포 내로 주입하기 위하여 공여체 포유류 세포로부터 핵을 제거하기 전에 공여체 포유류 세포의 핵과 접촉하는 방법.
- 제1항 내지 제34항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아는 인간 공여체 세포, 수용체 인간 난모세포 또는 인간 SCNT 배아인 방법.
- 제1항 내지 제34항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아는 비-인간 공여체 세포, 수용체 비-인간 난모세포 또는 비-인간 SCNT 배아인 방법.
- 제36항에 있어서, 상기 공여체 비-인간 포유류 세포, 수용체 비-인간 포유류 난모세포 또는 비-인간 포유류 SCNT 배아는 마우스, 래트, 토끼, 소, 말, 돼지, 닭, 개, 고양이, 소, 마카크, 침팬지로 이루어지는 군으로부터 선택되는 방법.
- 제36항에 있어서, 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아는 가축(domestic animal) 또는 상업용 동물로부터 유래되는 방법.
- 제38항에 있어서, 상기 가축은 알파카, 비손, 낙타, 고양이, 소, 사슴, 코끼리, 설치류, 개, 당나귀, 가얄, 염소, 기니피그, 라마, 말, 원숭이, 노새, 황소, 돼지, 비둘기, 비-인간 영장류, 토끼, 순록, 양, 물소 또는 야크로 이루어지는 군으로부터 선택된 작업 동물 또는 스포츠 동물, 또는 가축(livestock animal) 또는 실험실용 동물인 방법.
- 제36항에 있어서, 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아는 반려 동물 또는 애완동물로부터 유래되는 방법.
- 제41항에 있어서, 상기 반려 동물은 개, 고양이, 소, 햄스터, 파충류, 토끼, 설치류, 흰담비, 친칠라, 애완조류, 기니피그, 수생 애완동물 또는 말로 이루어진 군으로부터 선택되는 방법.
- 제36항에 있어서, 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아는 멸종 위기의 포유류 종으로부터 유래되는 방법.
- 제1항 내지 제42항 중 어느 한 항에 있어서, 상기 방법이 H3K9me3 메틸화를 감소시키는 제제의 부재하에서 수행된 SCNT에 비교할 때 배반포 단계로의 SCNT 효율을 적어도 50% 증가시키는 것인 방법.
- 제1항 내지 제43항 중 어느 한 항에 있어서, 상기 방법이 H3K9me3 메틸화를 감소시키는 제제의 부재하에서 수행된 SCNT에 비교할 때 SCNT 효율을 50%-80% 증가시키는 것인 방법.
- 제1항 내지 제44항 중 어느 한 항에 있어서, 상기 방법이 H3K9me3 메틸화를 감소시키는 제제의 부재하에서 수행된 SCNT에 비교할 때 SCNT 효율을 80% 초과 증가시키는 것인 방법.
- 제44항 또는 제45항에 있어서, SCNT 효율의 증가는 SCNT 배아의 배반포 단계로의 발생의 증가인 방법.
- 제44항 내지 제46항 중 어느 한 항에 있어서, SCNT 효율의 증가는 SCNT 배아의 착상 후 발생의 증가인 방법.
- 제44항 내지 제47항 중 어느 한 항에 있어서, SCNT 효율의 증가는 SCNT 배아-유도 배아 줄기 세포(ntESC)의 유도 증가인 방법.
- 제1항 내지 제48항 중 어느 한 항에 있어서, 상기 공여체 포유류 세포는 유전적으로 변형된 공여체 포유류 세포인 방법.
- 제2항에 있어서, 배반포를 형성하기 위하여 SCNT 배아를 인 비트로 배양하는 것을 추가로 포함하는 방법.
- 제50항에 있어서, 상기 SCNT 배아는 적어도 1-세포 SCNT 배아인 방법.
- 제50항에 있어서, 상기 SCNT 배아는 적어도 2-세포 SCNT 배아인 방법.
- 제50항에 있어서, 배반포로부터의 내세포 집단으로부터 세포를 분리하고; 미분화 상태의 내세포 집단으로부터의 세포를 배양하여 포유류 배아 줄기(ES) 세포를 형성하는 것을 추가로 포함하는 방법.
- 제1항 또는 제2항에 있어서, 상기 공여체 포유류 세포, 수용체 포유류 난모세포 또는 포유류 SCNT 배아 중 어느 하나 이상이 동결되고 해동된 방법.
- 제1항 내지 제54항 중 어느 한 항의 방법으로부터 생산된 포유류 SCNT 배아 유도 배아 줄기 세포(ntESC)의 집단.
- 제55항에 있어서, 상기 ntESC는 인간 ntESC인 포유류 ntESC의 집단.
- 제55항에 있어서, 상기 ntESC는 유전적으로 변형된 ntESC인 포유류 ntESC의 집단.
- 제55항에 있어서, 상기 ntESC는 다능성 줄기 세포인 포유류 ntESC의 집단.
- 제55항에 있어서, 상기 ntESC는 배양 배지에 존재하는 포유류 ntESC의 집단.
- 제59항에 있어서, 상기 배양 배지는 다능성 또는 전능성 상태의 ntESC를 유지하는 포유류 ntESC의 집단.
- 제59항에 있어서, 상기 배양 배지는 ntESC의 동결 또는 냉동보존을 위해 적합한 배지인 포유류 ntESC의 집단.
- 제61항에 있어서, 상기 포유류 ntESC의 집단은 동결되거나 냉동보존되는 포유류 ntESC의 집단.
- 제1항 내지 제54항 중 어느 한 항의 방법에 의해 생산된 포유류 SCNT 배아.
- 제63항에 있어서, 상기 포유류 SCNT 배아는 유전적으로 변형되는 포유류 SCNT 배아.
- 제63항에 있어서, 상기 포유류 SCNT 배아는 비-인간 포유류 SCNT 배아인 포유류 SCNT 배아.
- 제65항에 있어서, 상기 포유류 SCNT 배아는 수용체 포유류 난모세포로부터 유래되지 않는 미토콘드리아 DNA를 포함하는 포유류 SCNT 배아.
- 제63항에 있어서, 상기 SCNT 배아는 배양 배지에 존재하는 포유류 SCNT 배아.
- 제67항에 있어서, 상기 배양 배지는 포유류 SCNT의 동결 또는 냉동보존에 적합한 배지인 포유류 SCNT 배아.
- 제68항에 있어서, 상기 SCNT 배아는 동결되거나 냉동보존되는 포유류 SCNT 배아.
- 공여체 비-인간 포유류 세포, 수용체 비-인간 포유류 난모세포 또는 비-인간 포유류 체세포 핵 이식(SCNT) 배아 중 적어도 하나를 상기 공여체 비-인간 포유류 세포, 수용체 비-인간 포유류 난모세포 또는 비-인간 포유류 SCNT 배아에서 H3K9me3 메틸화를 감소시키는 적어도 하나의 제제와 접촉시키며, 상기 수용체 비-인간 포유류 난모세포는 유핵 또는 제핵 난모세포이며;
상기 포유류 난모세포가 유핵이면 수용체 비-인간 포유류 난모세포의 핵을 제거하며;
공여체 비-인간 포유류 세포로부터의 핵을 비-인간 포유류 제핵 난모세포에 이식하고 제핵 난모세포와 핵을 융합시키고 융합된 난모세포를 활성화시키며;
수용체 난모세포를 비-인간 포유류 SCNT 배아를 형성하기에 충분한 시간 동안 인큐베이션하며;
비-인간 포유류 SCNT 배아를 비-인간 대리모의 난관 내로 착상시키고 비-인간 포유류 SCNT가 비-인간 포유류 자손으로 발생하도록 하는 것을 포함하는, 체세포 핵 이식(SCNT) 배아로부터 비-인간 포유류 자손을 생산하는 방법. - 제70항에 있어서, 상기 비-인간 포유류 SCNT 배아는 1-세포 배아 단계, 2-세포 배아 단계, 4-세포 배아 단계, 상실배 또는 배반포 배아 단계에서 비-인간 대리모내로 착상되는 방법.
- 제71항에 있어서, 상기 비-인간 대리모는 공여체 세포 또는 수용체 난모세포의 공급원이 아닌 방법.
- 제70항에 있어서, 비-인간 대리모가 SCNT 배아를 만삭까지 보유하도록 하는 것을 추가로 포함하는 방법.
- 제1항 내지 제47항 또는 제70항 내지 제73항 중 어느 한 항의 방법에 의해 생산된 SCNT 배아로부터 생산된 비-인간 포유류 자손.
- 포유류 SCNT 배아, 수용체 포유류 난모세포 또는 배반포 중 적어도 하나 및 a. 히스톤 디메틸라제의 Kdm4 패밀리의 발현 또는 활성을 증가시키는 제제; 또는 b. H3K9 메틸트랜스퍼라제를 억제하는 제제 중 적어도 하나를 포함하는 조성물.
- 제75항에 있어서, 히스톤 디메틸라제의 Kdm4(Jmjd2) 패밀리의 발현 또는 활성을 증가시키는 제제는 Kdm4a(Jmjd2a), Kdm4b(Jmjd2b), Kdm4c(Jmjd2c) 또는 Kdm4d(Jmjd2d) 중 적어도 하나의 발현 또는 활성을 증가시키는 조성물.
- 제76항에 있어서, 상기 제제는 Kdm4d(Jmjd2d) 또는 Kdm4a(Jmjd2a)의 발현 또는 활성을 증가시키는 조성물.
- 제77항에 있어서, 상기 제제는 서열번호 1-8에 해당하는 핵산 또는 서열번호 1-8의 해당 서열에 비교할 때 유사하거나 더 큰 정도로 SCNT의 효율을 증가시키는 그의 생물학적 활성 단편을 포함하는 조성물.
- 제75항에 있어서, 상기 제제는 서열번호 1에 해당하는 핵산 또는 서열번호 1의 핵산 서열과 비교할 때 유사하거나 더 큰 정도로 SCNT의 효율을 증가시키는 그의 생물학적 활성 단편을 포함하는 조성물.
- 제75항에 있어서, 상기 H3K9 메틸트랜스퍼라제의 억제제는 Suv39h1, Suv39h2, 또는 Setdb1 중 적어도 하나 또는 임의의 조합을 억제하는 조성물.
- 제75항에 있어서, 상기 포유류 SCNT 배아는 1-세포 또는 2-세포 단계인 조성물.
- 제75항에 있어서, 상기 수용체 포유류 난모세포는 제핵 수용체 포유류 난모세포인 조성물.
- 제75항에 있어서, 상기 포유류 SCNT 배아는 최종 분화된 체세포의 핵의 주입으로부터 생산되거나, 배반포는 최종 분화된 체세포의 핵을 제핵 포유류 난모세포 내로 주입하여 생산된 포유류 SCNT 배아로부터 발생되는 조성물.
- 제75항 내지 제83항 중 어느 한 항에 있어서, 상기 포유류 SCNT 배아, 수용체 포유류 난모세포 또는 배반포는 인간 SCNT 배아, 수용체 인간 난모세포 또는 인간 배반포인 조성물.
- 제75항 내지 제84항 중 어느 한 항에 있어서, 포유류 SCNT 배아, 수용체 포유류 난모세포 또는 배반포는 비-인간 포유류로부터 유래되는 조성물.
- 제85항에 있어서, 상기 비-인간 포유류는 마우스, 래트, 토끼, 소, 말, 돼지, 닭, 개, 고양이, 마카크, 침팬지로 이루어지는 군으로부터 선택되는 조성물.
- 제85항에 있어서, 상기 비-인간 포유류는 가정용 또는 상업용 동물인 조성물.
- 제87항에 있어서, 상기 가정용 또는 상업용 동물은 알파카, 비손, 낙타, 고양이, 소, 사슴, 코끼리, 설치류, 개, 당나귀, 가얄, 염소, 기니피그, 라마, 말, 원숭이, 노새, 황소, 돼지, 비둘기, 비-인간 영장류, 토끼, 순록, 양, 물소 또는 야크로 이루어지는 군으로부터 선택된 작업 동물 또는 스포츠 동물, 또는 가축 또는 실험실 동물인 조성물.
- 제85항에 있어서, 상기 비-인간 포유류는 반려 동물 또는 애완동물인 조성물.
- 제89항에 있어서, 상기 반려 동물은 개, 고양이, 소, 햄스터, 파충류, 토끼, 설치류, 흰담비, 친칠라, 애완조류, 기니피그, 수생 애완동물 또는 말로 이루어진 군으로부터 선택되는 조성물.
- 제85항에 있어서, 상기 비-인간 포유류는 멸종 위기의 포유류 종인 조성물.
- (i) 히스톤 디메틸라제의 Kdm4 패밀리의 발현 또는 활성을 증가시키는 제제 및/또는 H3K9 메틸트랜스퍼라제를 억제하는 제제, 및 (ii) 포유류 난모세포를 포함하는 키트.
- 제92항에 있어서, 상기 포유류 난모세포는 제핵 난모세포인 키트.
- 제92항에 있어서, 상기 포유류 난모세포는 비-인간 난모세포인 키트.
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| KR20190089781A (ko) * | 2018-01-23 | 2019-07-31 | 차의과학대학교 산학협력단 | Rad51 활성화제를 포함하는, 배아 발달용 조성물 및 이를 이용하여 배아 발달률을 향상시키는 방법 |
| WO2019147026A1 (ko) * | 2018-01-23 | 2019-08-01 | 차의과학대학교 산학협력단 | 멜라토닌을 포함하는, 배아 발달용 조성물 및 이를 이용하여 배아 발달의 효율을 향상시키는 방법 |
| KR20200145804A (ko) * | 2018-01-23 | 2020-12-30 | 차의과학대학교 산학협력단 | 멜라토닌을 포함하는, 배아 발달용 조성물 및 이를 이용하여 배아 발달의 효율을 향상시키는 방법 |
| KR20220079747A (ko) * | 2020-12-04 | 2022-06-14 | 대한민국(농촌진흥청장) | microRNA-148a 직접 주입을 통한 돼지 체세포 핵치환란의 발달율 향상 방법 |
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| KR102617137B1 (ko) | 2023-12-27 |
| EP3194581A2 (en) | 2017-07-26 |
| US20180363008A1 (en) | 2018-12-20 |
| US20170327846A1 (en) | 2017-11-16 |
| EP3194581A4 (en) | 2018-04-25 |
| WO2016044271A3 (en) | 2016-05-19 |
| JP7277494B2 (ja) | 2023-05-19 |
| US10266848B2 (en) | 2019-04-23 |
| US11390885B2 (en) | 2022-07-19 |
| JP6841753B2 (ja) | 2021-03-10 |
| WO2016044271A2 (en) | 2016-03-24 |
| KR102473092B1 (ko) | 2022-12-01 |
| JP2023026679A (ja) | 2023-02-24 |
| US20230015276A1 (en) | 2023-01-19 |
| JP2017528142A (ja) | 2017-09-28 |
| KR20220165807A (ko) | 2022-12-15 |
| JP2021074023A (ja) | 2021-05-20 |
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