환경생물 (Korean Journal of Environmental Biology)

  • 제27권1호
  • /
  • Pages.88-94
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  • 2009
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  • 1226-9999(pISSN)
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  • 2287-7851(eISSN)
한국환경생물학회 (Korean Society of Environmental Biology)
권호 표지

TNF-$\alpha$에 의해 유도된 세포부착분자의 발현에 대한 Delphinidin chloride의 억제 효과

Delphinidin Chloride Effects on the Expression of TNF-$\alpha$ Induced Cell Adhesion Molecules

  • Koh, Eun-Gyeong (Department of Biology, Chonnam National University) ;
  • Chae, Soo-Chul (Department of Biology, Chonnam National University) ;
  • Seo, Eun-Sun (Department of Biology, Chonnam National University) ;
  • Na, Myung-Suk (Department of Beauty & Science, Kwangju Women's University) ;
  • Lee, Jong-Bin (Department of Biology, Chonnam National University)
  • 발행 : 2009.02.28
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초록

안토시아닌(Anthocyanin)은 플라보노이드계 화합물의 한 부류로 항산화, 항암 및 항궤양, 항당뇨, 중금속해독, 시력보호, 콜레스테를 저하 등의 다양한 생리활성을 가지는 것으로 보고되어 있다. 죽상경화과정은 염증성 사이토카인의 분비 또는 혈관손상으로 인한 백혈구의 부착과 이동을 통해 시작된다. 본 연구는 이러한 죽상경화의 초기과정에서 안토시아닌 혼합물 중 single compound인 delphinidin chloride (DC) 인간혈관 내피세포주(HUVEC, human umbilical vein endothelial cell line)에서 백혈구 부착과 관련이 있는 ICAM-1 (Intraceliular Adhesion Molecule-1)과 VCAM-1 (Vascular Adhesion Molecule-1) 발현에 미치는 영향에 대해 조사하였다. 세포독성이 없는 농도에서 TNF-$\alpha$에 의해 유도된 혈관 내피세포에 대한 단핵구의 부착정도를 측정하기 위해 monocyte-endothelial cell adhesion assay와 광학현미경을 이용한 형태학적 관찰을 한 결과 DC가 처리농도 의존적으로 부착을 억제하였다. 내피세포로부터 TNF-$\alpha$에 의해 유도된 세포부착 분자인 VCAM-1과 ICAM-1의 발현에 대한 영향을 western blot analysis 및 RT-PCR방법으로 비교 분석한 결과 VCAM-1과 ICAM-1의 단백질과 mRNA수준에서의 발현이 농도 의존적으로 감소되었다. 이러한 결과들을 종합해 볼 때 안토시아닌 중에서 DC를 실험한 결과 DE는 TNF-$\alpha$에 의해 유도된 내피세포의 ICAM-1과 VCAM-1 발현 억제효과를 확인할 수 있었다.

The process of atherosclerosis begins through secretion of inflammatory cytokine or adhesion of leukocyte from damage in blood vessels and transmigration. This study was conducted to investigate the effects of delphinidin chloride (DC) in the initial process of atherosclerosis on the expression of ICAM-1 (Intracellular Adhesion Molecule-1) and VCAM-1 (Vascular Adhesion Molecule-1) related to adhesion of leukocyte at the HUVEC (human umbilical vein endothelial cell line. As a result, cell growth inhibition rate at 50 ${\mu}M$ was respectively 4, 3 and 5% without cell toxicity. As a result of morphological observation monocyte-endothelial cell adhesion assay and optical microscope carried out to measure attachment of mononuclear cells to endothelial cells induced by Tumor necrosis factor-alpha (TNF-$\alpha$) at concentrations without cell toxicity, DC concentration-dependently suppressed attachment. When effects on the expression of VCAM-1 and ICAM-1, cell adhesion molecules induced from endothelial cells by TNF-$\alpha$, were comparatively analyzed using western blot analysis and RT-PCR methods, protein of VCAM-1 and ICAM-1 and expression at the level of mRNA were concentration-dependently reduced. Taken together, the results of this studies provide evidence that DC possess an anti-metastatic activity.

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