한국발생생물학회지:발생과생식 (Development and Reproduction)

  • 제13권4호
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  • Pages.271-280
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  • 2009
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  • 2465-9525(pISSN)
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  • 2465-9541(eISSN)
한국발생생물학회 (The Korean Society of Developmental Biology)
권호 표지

인간태반양막유래 상피줄기세포의 임상적용을 위한 새로운 세포분리 및 배양 기술

New Isolation Technique and Culture System for Clinical Applications of Human Amniotic Epithelial Stem Cells

  • 우상규 ((주)알앤엘바이오 중앙연구소) ;
  • 조정윤 ((주)알앤엘바이오 중앙연구소) ;
  • 신일섭 ((주)알앤엘바이오 중앙연구소) ;
  • 강성근 ((주)알앤엘바이오 중앙연구소) ;
  • 라정찬 ((주)알앤엘바이오 중앙연구소)
  • 발행 : 2009.12.31
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⟨ 이전 논문 다음 논문 ⟩

초록

태반은 성체줄기세포의 보고이다. 특히 양막상피세포는 배아줄기세포의 줄기세포 능력을 나타내는 세포 표면 표시자들을 그대로 발현하는 줄기세포로 알려져 있다. 하지만 상피세포를 실험실에서 지지세포 없이 대량 증식 배양하는 것은 상피세포가 가지고 있는 내인성 성격으로 인해 어렵다. 본 연구에서는 디티오트레이톨(Dithiothreitol; DTT)과 ROCK 저해제(Rho-associated kinase inhibitor)를 이용하여 양막상피세포를 분리하고 배양하는데 있어서 임상적용이 가능한 수준의 세포를 얻었고, 최적의 세포상태를 유지하였다. 본 연구에서 분리배양된 양막상피세포는 상피세포의 특성과 줄기세포의 특성을 발현하였다. 결론적으로 줄기세포 치료를 이용한 재생의학의 관점에서 인간태반 유래 양막상피줄기세포는 아무런 윤리적인 논란을 일으키지 않는 주요한 줄기세포 치료제의 재료로서 여러 가지 질병 치료에 사용될 수 있을 것이다.

Human placenta is abundant source of adult stem cells. Especially, amniotic epithelial cells have stem cell characteristics, expressing surface markers normally present on embryonic stem cells and germ cells. However, culturing and expanding amniotic epithelial cells in vitro without feeder cells are difficult due to endogenous characteristics of epithelial cells. In the present study, amniotic epithelial cells are isolated and proliferated in several passages by applying dithiothreitol and a Rho-associated kinase inhibitor in culture media. The cultured amniotic epithelial cells showed the epithelial and stem cell characteristics. In conclusion, human placenta-derived amniotic epithelial stem cells can be a major source of stem cells for medical treatment of various diseases without any controversial issues.

키워드

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