치위생과학회지 (Journal of dental hygiene science)

  • 제13권2호
  • /
  • Pages.158-164
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  • 2013
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  • 1598-4478(pISSN)
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  • 2233-7679(eISSN)
한국치위생과학회 (The Korean Society of Dental Hygiene Science)
권호 표지

혈소판 농축 섬유소가 골모세포 증식과 분화에 미치는 영향

The Effects of Platelet-Rich Fibrin on Osteoblast Proliferation and Differentiation: Effects of Platelet-Rich Fibrin on Osteoblasts

  • 정해수 (단국대학교 치과대학 치주과학교실) ;
  • 배현숙 (남서울대학교 치위생학과) ;
  • 홍기석 (단국대학교 치과대학 치주과학교실)
  • Jung, Hae-Su (Department of Periodontology, Dankook University School of Dentistry) ;
  • Bae, Hyun-Sook (Department of Dental Hygiene, Namseoul University) ;
  • Hong, Ki Seok (Department of Periodontology, Dankook University School of Dentistry)
  • 발행 : 2013.06.30
⟨ 이전 논문 다음 논문 ⟩

초록

임플란트 식립 시 가장 빈번하게 맞게 되는 문제점으로 임플란트 식립 부위에서의 불충분한 골량과 해부학적 구조에 의한 접근성의 문제를 들 수 있다. 일반적으로 성장 인자들은 치유 과정이나 조직 형성에 있어서 가장 기본적인 필수 요소로 인정되고 있다. 이러한 이유로 골 이식 재료의 효과를 증진시키기 위한 성장 인자들이 최근에 주목을 받고 있다. 혈소판 내 granules에는 높은 농도의 다양한 성장 인자들이 포함되어 있다. 특히, platelet-rich fibrin (PRF)는 2세대 혈소판 농축 인자로 항응고제가 들어있지 않은 상태로 얻을 수가 있고, 혈소판과 많은 성장 인자들이 풍부한 섬유소 막을 포함하고 있다. 이번 연구의 목적은 in vitro 상에서 골아 세포에 대한 PRF의 영향을 알아보고자 하였다. 특히 치유와 재생에 연관된 주요 기능으로써 증식과 분화에 대한 영향을 조사하고자 하였다. 이를 위해서, PRF 내에서 방출되는 성장 인자(platelet-derived growth factor subunit B와 transforming growth factor-${\beta}1$)의 농도, 세포의 생존능력, alkaline phosphatase (ALP) activity, type 1 collagen 합성, 골아 세포의 분화 지표로써 ALP와 Runx2의 발현 정도와 골 기질 단백질로써 type 1 collagen의 발현 정도에 대해서 조사하였다. 이 실험을 통하여 PRF는 치유 시 필요한 타당한 기간 동안에 충분히 자가 성장 인자의 방출을 유지하고 있음을 알 수 있었고, 골아 세포의 증식과 분화에 대해서 긍정적인 효과가 있음을 보여 주였다. 제한적인 실험이지만, 골재생을 위한 PRF의 사용은 골 치유와 골 개조에 있어서 증진 효과를 가져다줄 수 있는 촉망되는 방법 중 하나가 될 수 있을 것이다.

The most frequently encountered problems at fixture-implantation sites are lack of adequate bone and proximity to anatomic structures. It is generally accepted that growth factors play an essential role in the healing process and tissue formation, and they have become the focus of grafting materials research. The granules in platelets contain high concentrations of various growth factors. In particular, platelet-rich fibrin (PRF) is a second-generation platelet concentrate that allows the production of fibrin membranes enriched with platelets and growth factors from an anticoagulant-free blood harvest. This study investigated the in vitro effects of PRF on osteoblasts, in terms of the key cellular functions, and especially the effects on two growth factors, the homodimer of platelet-derived growth factor subunit B (BPDGF-BB) and transforming growth factor (TGF)-${\beta}1$, which are associated with wound healing and regeneration (i.e., proliferation and differentiation). The following parameters were investigated: PDGF-BB and TGF-${\beta}1$ levels in PRF, cell viability, alkaline phosphatase (ALP) activity, type 1 collagen synthesis, and the expressions of osteoblast differentiation markers (ALP and runt-related transcription factor 2) and bone matrix proteins (type 1 collagen). The release of autologous growth factors from PRF was maintained for a reasonable period of time, and exerted positive effects on the proliferation and differentiation of osteoblasts. The use of PRF thus appears to be a promising method for enhancing bone healing and remodeling.

키워드

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