Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Osteoblast Cell Morphology, Proliferation, and Differentiation in Variation with Biomaterials

생체재료의 선택에 따른 조골세포의 형상, 증식 및 분화

  • 김학관 (㈜우리동명 치과재료연구소) ;
  • 장주웅 (㈜우리동명 치과재료연구소) ;
  • 정희석 (㈜우리동명 치과재료연구소) ;
  • 이득용 (대림대학 재료정보공학과)
  • Published : 2003.06.01
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Abstract

Osteoblast-like cell morphology, proliferation, and differentiation were examined in variation with biomaterials. Cells were cultured on TiO$_2$, Ti, 3Y-TZP, HA (Hydroxyapatite) and Thermanox was used as a control specimen. Generally, all specimens have similar cell morphology within the same time interval. However, cells on HA seem to be more thicker than those on TiO$_2$, Ti, 3Y-TZP and cell overlapping was detected very frequently on HA. In case of cell proliferation and differentiation, bioactive material such as HA could help osteoblast-like cell proliferate and provoke a sharp increase of ALP. On the other hand, whether the substrate material is a bioinert ceramics or metal, it does not so strongly affect the cell attachment, proliferation. and differentiation.

재료의 선택에 따른 생체친화성을 고찰하기 위해서 조골세포의 세포배양실험을 실시하였으며, 이로부터 세포의 부착형상, 증식, 분화의 정도를 살펴보았다. 본 실험에서 세포배양모재는 체내식립재료로 주목을 받고 있는 TiO$_2$, 3Y-TZP, HA (Hydroxyapatite) 그리고 Ti를 사용하였으며 대조군으로 Thermanox를 선택하였다. 일반적으로 모든 시편들은 같은 세포배양시간일때 거의 유사한 세포부착형상을 보였다. 그러나, HA위의 세포들은 나머지 시편들보다 좀 더 두꺼운 형상을 보였으며 빠른 세포의 부착 및 퍼짐으로 인한 overlapping이 자주 관찰되었다. 세포의 증식 및 분화의 경우에도 생체활성의 특성을 지니는 HA가 가장 높은 값을 보였으며 생체불활성재료인 경우에는 Ti, TiO$_2$, 3Y-TZP모두 유의한 차이를 보이지 않고 비슷한 경향을 나타내었다.

Keywords

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