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The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Effect of Phellinus Extracts on Sprouting in Porcine Pulmonary Artery Endothelial Cells

혈관내피세포의 발아에 미치는 상황버섯 추출물의 효과

  • Oh, In-Suk (Division of Biological Sciences, Research Center of Bioactive Materials, Chonbuk National University) ;
  • Kim, Hwan-Gyu (Division of Biological Sciences, Research Center of Bioactive Materials, Chonbuk National University)
  • 오인숙 (전북대학교 자연과학대학 생물과학부, 생리활성물질연구소) ;
  • 김환규 (전북대학교 자연과학대학 생물과학부, 생리활성물질연구소)
  • Published : 2006.08.30
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Abstract

One of the steps in angiogenesis is the degradation of the underlying basement membrane via proteases. Endothelial cells release proteinases to degrade the extracellular matrix for their sprouting in vivo. In this study, we examined the effect of water extracts of Phellinus linteusis(Phellinus extracts) and combination of Phellinus extracts and fibroblast growth factor(FGF-2) on cultured porcine pulmonary artery endothelial cells(PPAECs). Phellinus extracts induced sprouting of PPAECs, which was inhibited by MMPs and plasmin inhibitors, and induced the secretion of matrix metalloproteinase-3(MMP-3) and plasmin. At high concentration of Phellinus extracts($200{\sim}400{\mu}g/mL$), the active MMP-2 secretion was induced. It is therefore, suggested that Phellinus extracts induces the sprouting of cultured endothelial cells by means of increased active MMP-2 and plasmin secretion. Also, combination with Phellinus extracts and FGF-2 produced an enhanced effect on sprouting and secretion of active MMP-2, and MMP-3 and plasmin from PPAECs.

본 연구에서는 상황버섯의 수용성 추출물을 이용하여 PPAECs 세포의 발아에 미치는 효과 및 그 작용기작을 알아보고자 하였다. 상황버섯 추출물을 $10{\sim}50{\mu}g/mL$ 농도로 처리하면 PPAECs 세포의 발아가 약 $38{\sim}58%$ 억제되었으나, $200{\sim}400{\mu}g/mL$ 처리군에서는 약 $1.42{\sim}1.47$배의 발아 증가를 유도하였다. PPAECs 세포에 상황버섯 추출물을 처리한 결과, MMP-2는 상황버섯 추출물 농도 $50{\mu}g/mL$까지는 약 30% 정도 분비가 억제되다가 $100{\mu}g/mL$에서부터 증가하기 시작하여 $400{\mu}g/mL$에서는 약 1.7배의 MMP-2 분비 증가 효과를 나타냈다. 이에 비해 MMP-9의 분비는 농도-의존적으로 감소되었으며, MMP-3는 $50{\sim}400{\mu}g/mL$에서 약 $1.5{\sim}1.7$배의 분비 증가 고과를 보였다. 또한 $100{\sim}200{\mu}g/mL$ 농도의 상황버섯 추출물에서 피브린 젤의 용해 및 MMP-2의 활성화에 관여하는 플라스민의 분비증가가 약 2.4배 유도되었다. 한편 상황버섯 추출물 처리시 고농도($100{\sim}400{\mu}g/mL$)에서 PPAECs 세포의 발아가 촉진되었으며, 이러한 효과는 MMPs 및 플라스민 억제제에 의해 약 $40{\sim}44%$ 억제되어 피브린 젤에서 확인된 상황버섯 추출물에 의한 발아 증가는 MMPs 및 플라스민의 분비증가에 의한 것이라 사료된다.

Keywords

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