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KMID : 1189420090220020104
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Journal of Korean Oriental Medical Ophthalmology & Otolaryngology & Dermatology
2009 Volume.22 No. 2 p.104 ~ p.117
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Scutellaria baicalensis Georgi(SBG) inhibits Melanin Synthesis in Mouse B16 Melanoma Cells
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Hong Sung-Jin
Kim Kyung-Jun
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Abstract
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Objective : Melanin is one of the most important facor in skin color. Melanin protects human skin from ultraviolet radiation otherwise it causes melanin pigmentation. So this experiment is carried out for test whether Scutellaria baicalensis Georgi(SBG) inhibits melanin synthesis and tyrosinase activity in mouse B16 melanoma cells.
Method : The melanin synthesis inhibition effects of SBG were examined by in vitro melanin production assay. We assessed inhibitory effects of SBG on melanin contents from B16F1 melanoma cell, on tyrosinase activity(cell and cell free system), effect of SBG on the expression tyrosinase, Microphthalmia-associated Transcription Factor(MITF), Extracellular signal-regulated Kinase(ERK).
Result : SBG inhibited melanin synthesis induced α-MSH(α-Melanin Stimulating Hormone) in B16F1. SBG inhibited tyrosinase activity and expression. And SBG down-regulates MITF and stimulated ERK activation in B16F1.
Conclusion : According to above results, SBG was improved its suppression effect to the inhibition of melanin synthesis, tyrosinase activation, and tyrosinase promotor activation. So SBG is considered to be used for an strong source of skin whitening effect.
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KEYWORD
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Scutellaria baicalensis Georgi(SBG), melanin, tyrosinase, Microphthalmia-associated Transcription Factor(MITF), Extracellular signal-regulated Kinase(ERK)
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