Effects of Xanthoxylin on Melanogenesis

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Wannapa Moleephan
Supeecha Wittayalertpanya
Nijsiri Ruangrungsi
Wacharee Limpanasithikul


The important role of melanin is skin protection against UV radiation from sunlight

which induces DNA damage and skin cancer. The purposes of this study were to determine

the effects of xanthoxylin on melanin content by measure melanin content at 405 nm, mRNA

expression of regulatory melanogenesis proteins by RT-PCR and dendriticity in mouse

B16F10 melanoma cells by photograph the pictures under microscope. This study found that

xanthoxylin increased melanin content and mRNA expression of regulatory melanogenesis

proteins (tyrosinase and Mitf). In addition, xanthoxylin also increased dendrites of mouse

B16F10 melanoma cells and no effect on viability of mouse B16F10 melanoma cells. It could

be concluded that xanthoxylin induced melanogenesis, increased dendrites and activated

tyrosinase and Mitf expressions in mouse B16F10 melanoma cells.


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2010 Annual Meeting Abstracts/Lectures