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The Role of Pou5f1 Gene on Differentiation into Germ Layers

첫 페이지 보기
  • 발행기관
    한국동물생명공학회(구 한국동물번식학회) 바로가기
  • 간행물
    발생공학 국제심포지엄 및 학술대회 바로가기
  • 통권
    2018년 한국동물번식학회, 한국수정란이식학회 공동학술대회 (2018.06)바로가기
  • 페이지
    pp.5-5
  • 저자
    Hyun Woo CHoi
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A347414

원문정보

초록

영어
Pluripotent stem cells (PSCs) can be differentiated into all three germ layers in vitro and in vivo. Embryonic stem cells (ESCs) can be derived from the inner cell mass of blastocyst in vitro, and the epiblast derived pluripotent stem cells (EpiSCs) can be established from epiblast of post-implantation embryos. The pluripotent ESCs and EpiSCs express Oct4 (Pou5f1) gene. Oct4 gene is essential for maintenance of pluripotent state and levels of Oct4 regulate differentiation of pluripotent stem cells. The Oct4 gene contains two cis-regulatory elements, the distal enhancer (DE) and proximal enhancer (PE), which differentially control Oct4 expression in a cell-type-specific and stage-specific manner. We generated double transgenic mice carrying both Oct4-Δ PE-GFP and Oct4-ΔDE-tdTomato (RFP), enabling us to simultaneously monitor the activity of DE and PE. Oct4 expression is stage-specifically regulated by DE and PE during embryonic and germ cell development. We could classify pure populations of naive (GFP+RFP−) and primed (GFP−RFP+) PSCs by using double transgenic systems. Next, we established ZHBTc4 ESCs (Oct4 tetracycline conditional knockout ESCs) - derived epiblast stem cells like cells (ZHBTc4-EpiLCs) to determine function of Oct4 in differentiation into germ layers. ZHBTc4-EpiLCs could not be formed colonies in doxycycline (dox) contained EpiSC medium, indicated that Oct4 gene is essential for maintenance of primed PSCs. ZHBTc4-EpiLCs were differentiated into neuroectodermal or mesoendodermal cells in differentiation medium with or without dox. The ZHBTc4-EpiLCs could be efficiently differentiated into neuroectodermal lineage in neuroectodermal differentiation medium with dox, whereas mesoendodermal related genes were down-regulated in mesoendodermal differentiation medium with dox. This results showed that Oct4 gene regulates maintenance and differentiation potential in primed pluripotent stem cells.

저자

  • Hyun Woo CHoi

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    한국동물생명공학회(구 한국동물번식학회) [The Korean Society of Animal Reproduction and Biotechnology]
  • 설립연도
    1976
  • 분야
    농수해양>축산학
  • 소개
    동물번식생리학, 동물생명공학, 수의학, 인공수정 및 수정란이식을 이용한 동물개량에 관한 이론과 기술의 발전을 통해 학계, 연구계, 산업계 및 양축가 상호간의 협력을 도모함으로써 동물과학발전 및 사회일반의 이익에 기여 한다는 목적을 위해 노력해 나가겠습니다.

간행물

  • 간행물명
    발생공학 국제심포지엄 및 학술대회 [International Symposium on Developmental Biotechnology]
  • 간기
    연간
  • 수록기간
    2004~2018
  • 십진분류
    KDC 527 DDC 636

이 권호 내 다른 논문 / 발생공학 국제심포지엄 및 학술대회 2018년 한국동물번식학회, 한국수정란이식학회 공동학술대회

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