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Anthocyanins from black soybean seed coats stimulate wound healing in fibroblasts and keratinocytes and prevent inflammation in endothelial cells.

Abstract
Wound healing is a complex process that includes inflammation, tissue formation, and remodeling. While wound healing is accompanied by inflammatory reactions, chronic inflammation impairs acute wound healing. In this study, we investigated whether anthocyanins from black soybean seed coats could stimulate wound healing while preventing excessive inflammation. At 24h of treatment with anthocyanins, fibroblasts showed a significant increase in migration at 100 microg/mL whereas the migration of keratinocytes increased significantly at 50 and 100 microg/mL compared to control. Treatment of anthocyanins for 48 h significantly stimulated the migration of both human dermal fibroblasts and keratinocytes at 50 and 100 microg/mL concentrations. Treatment of cells with anthocyanins stimulated wound-induced VEGF production in fibroblasts and keratinocytes. However, anthocyanins inhibited ROS accumulation and VEGF production in TNF-alpha-stimulated endothelial cells. Furthermore, treatment of anthocyanins reduced, in a dose-dependent manner, the adhesion of inflammatory monocytes to endothelial cells. Anthocyanins also blocked both the translocation of nuclear factor-kappa B (NF-kappaB) p65 into the nucleus and the phosphorylation of the inhibitory factor kappaBalpha (IkappaBalpha). Thus, treatment with anthocyanins from black soybean seed coats may be a potential therapeutic strategy to promote wound healing and to prevent inflammation in a persistent inflammatory condition.
AuthorsIrina Tsoy Nizamutdinova, Young Min Kim, Jong Il Chung, Sung Chul Shin, Yong-Kee Jeong, Han Geuk Seo, Jae Heun Lee, Ki Churl Chang, Hye Jung Kim
JournalFood and chemical toxicology : an international journal published for the British Industrial Biological Research Association (Food Chem Toxicol) Vol. 47 Issue 11 Pg. 2806-12 (Nov 2009) ISSN: 1873-6351 [Electronic] England
PMID19733615 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Anthocyanins
  • Reactive Oxygen Species
  • Tumor Necrosis Factor-alpha
  • Vascular Endothelial Growth Factor A
Topics
  • Anthocyanins (chemistry, pharmacology)
  • Cell Migration Assays
  • Cells, Cultured
  • Endothelial Cells (drug effects)
  • Fibroblasts (drug effects)
  • Humans
  • Inflammation (prevention & control)
  • Keratinocytes (drug effects)
  • Molecular Biology
  • Reactive Oxygen Species
  • Seeds (chemistry)
  • Soybeans (chemistry)
  • Tumor Necrosis Factor-alpha (pharmacology)
  • Vascular Endothelial Growth Factor A (metabolism)

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