Fermented Viola mandshurica Inhibits Melanogenesis in B16 Melanoma Cells
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概要
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We assessed the effects of chloroform extract of fermented Viola mandshurica (CEFV) on melanogenesis B16 melanoma cells. CEFV treatment significantly decreased melanin content and tyrosinase activity in dose-dependent manners. To elucidate the mechanism of the inhibitory effects of CEFV on melanogenesis, we performed RT-PCR and Western blotting for melanogenesis-related genes such as tyrosinase, tyrosinase-related protein-1 (TRP-1), TRP-2, and microphthalmia-associated transcription factor (MITF). CEFV strongly inhibited mRNA as well as the protein expression of tyrosinase and MITF, but had no significant effect on TRP-1 or TRP-2 expressions. It markedly decreased the phosphorylation of cAMP responsive element binding protein (CREB), and induced the duration of extracellular signal-regulated kinase (ERK) activation, leading to reduction of MITF expression and subsequently that of tyrosinase. Therefore, we suggest that CEFV induces downregulation of melanogenesis through decreased CREB phosphorylation and ERK activation.
- 2011-05-23
著者
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KIM Kyoung-Sook
College of Natural Resources and Life Science, BK21 Center for Silver-Bio Industrialization, Dong-A
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Lee Jai-heon
College Of Natural Resources And Life Science Bk21 Center For Silver-bio Industrialization Dong-a Un
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Kim Kyung-mi
Scigen Harvest Research Center
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Chung Eunsook
College Of Natural Resources And Life Science Bk21 Center For Silver-bio Industrialization Dong-a Un
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Lee Young-choon
College Of Natural Resources And Life Science Bk21 Center For Silver-bio Industrialization Dong-a Un
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Yu Hai
College Of Natural Resources And Life Science Bk21 Center For Silver-bio Industrialization Dong-a Un
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Cha Jae-young
Technical Research Institute Daesun Distilling Co. Ltd.
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KWAK Yeon-Joo
College of Natural Resources and Life Science, BK21 Center for Silver-Bio Industrialization, Dong-A
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KIM Kyung-Mi
College of Natural Resources and Life Science, BK21 Center for Silver-Bio Industrialization, Dong-A
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KIM Seok-Jo
College of Natural Resources and Life Science, BK21 Center for Silver-Bio Industrialization, Dong-A
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Kim Seok-jo
College Of Natural Resources And Life Science Bk21 Center For Silver-bio Industrialization Dong-a Un
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Kwak Yeon-joo
College Of Natural Resources And Life Science Bk21 Center For Silver-bio Industrialization Dong-a Un
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