대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)

  • 제54권3호
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  • Pages.203-209
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  • 2016
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  • 0301-2875(pISSN)
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  • 2005-3789(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
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법랑기질유도체가 인간 치주인대세포의 증식 및 성장인자 발현에 미치는 영향

Effects of enamel matrix derivatives on the proliferation and the release of growth factors of human periodontal ligament cells

  • 정겨운 (고려대학교 안암병원 치주과) ;
  • 방은경 (이화여자대학교 의학전문대학원 치주과학교실)
  • Jung, Gyu-Un (Department of Periodontology, Korea University Anam Hospital) ;
  • Pang, Eun-Kyoung (Department of Periodontology, School of Medicine, Ewha Womans University)
  • 투고 : 2016.01.25
  • 심사 : 2016.04.14
  • 발행 : 2016.07.29
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초록

목적: 치주조직재생을 위해서는 치주인대세포의 증식 및 이주를 촉진시키는 것이 필수적이나 현재까지 이것을 만족시키는 재생술식은 없다. 최근 법랑기질유도체(enamel matrix derivatives)가 치주조직 재생 술식에 적용되고 있으나 그 기전에 대해서는 완전히 알려지지 않았다. 따라서 본 연구의 목적은 법랑기질유도체가 치주인대세포의 증식과 성장인자 발현에 미치는 영향에 대하여 알아보고자 함이다. 재료 및 방법: 건강한 성인의 제 3 대구치로부터 치주인대세포를 추출한 후, 법랑기질유도체(Emdogain (Biora, Malmo, Sweden))의 농도가 각각 0, 12.5, 25, 50, 100, and $200{\mu}g/mL$인 배지에서 배양시켰다. 치주인대 세포증식과 알칼리성 인산분해효소(alkaline phosphatase) 활성도를 측정하고, 발현되는 성장인자를 평가하였다. 결과: 치주인대세포의 세포증식은 $25{\mu}g/mL$이상의 농도의 법랑기질유도체를 첨가한 군에서, 알칼리성 인산분해효소 활성도는 $50{\mu}g/mL$의 법랑기질유도체를 첨가한 군에서 각각 유의하게 증가하였고, $50{\mu}g/mL$의 법랑기질유도체를 첨가한 군에서 치주인대세포의 VEGF (vascular endothelial growth factor)와 TGF(transforming growth factor)-${\beta}$의 발현이 유의하게 증가하였다. 결론: 법랑기질 유도체는 인간 치주인대세포의 세포증식과 알칼리성 인산분해효소 활성을 증진시키고, VEGF와 TGF-${\beta}$등 성장인자의 발현을 촉진함으로써 치주조직 재생에 기여할 수 있을 것이다.

Purpose: Stimulating the proliferation and migration of periodontal ligament cells (PDLCs) has become the main goal of periodontal regeneration. To accomplish this goal, regeneration procedures have been developed, but results have not been predictable. Recently, tissue engineering using enamel matrix derivatives (EMDs) and growth factors has been applied to periodontal regeneration; however, the mechanism of EMDs is largely unknown. The aim of this study was to investigate the effects of EMDs on the proliferation and release of growth factors from PDLCs. Materials and methods: Human PDLCs were removed from individually extracted 3rd molars of healthy young adults, and cultured in the media containing EMDs (Emdogain, Biora, Malmo, Sweden) at concentration of 0, 12.5, 25, 50, 100, and $200{\mu}g/mL$ each. Cell proliferation and ALP (alkaline phosphatase) activity were measured. The evaluation of growth factors released by PDLCs was also performed by one-way analysis of variance (ANOVA) and Bonferroni's multiple comparison test. Results: Significantly increased proliferation and ALP activity were observed in PDLCs treated with over $25{\mu}g/mL$ and $50{\mu}g/mL$ EMDs, respectively. Additionally, treatment of PDLCs with $50{\mu}g/mL$ resulted in significantly increased release of vascular endothelial growth factor (VEGF) and transforming growth factor $(TGF)-{\beta}$ after 24 h and 48 h, respectively. Conclusion: EMDs enhance the proliferation and ALP activity of PDLCs, and promote the release of growth factors, including VEGF and $TGF-{\beta}$, from PDLCs. Therefore EMDs could be one of the effective methods for periodontal regeneration.

키워드

참고문헌

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