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RSS FeedsIJMS, Vol. 19, Pages 3149: Zerumbone, a Tropical Ginger Sesquiterpene of Zingiber officinale Roscoe, Attenuates ?-MSH-Induced Melanogenesis in B16F10 Cells (International Journal of Molecular Sciences)

 
 

13 october 2018 16:00:27

 
IJMS, Vol. 19, Pages 3149: Zerumbone, a Tropical Ginger Sesquiterpene of Zingiber officinale Roscoe, Attenuates ?-MSH-Induced Melanogenesis in B16F10 Cells (International Journal of Molecular Sciences)
 




Zerumbone (ZER), an active constituent of the Zingiberaceae family, has been shown to exhibit several biological activities, such as anti-inflammatory, anti-allergic, anti-microbial, and anti-cancer; however, it has not been studied for anti-melanogenic properties. In the present study, we demonstrate that ZER and Zingiber officinale (ZO) extract significantly attenuate melanin accumulation in α-melanocyte-stimulating hormone (α-MSH)-stimulated mouse melanogenic B16F10 cells. Further, to elucidate the molecular mechanism by which ZER suppresses melanin accumulation, we analyzed the expression of melanogenesis-associated transcription factor, microphthalmia-associated transcription factor (MITF), and its target genes, such as tyrosinase, tyrosinase-related protein 1 (TYRP1), and tyrosinase-related protein 2 (TYRP2), in B16F10 cells that are stimulated by α-MSH. Here, we found that ZER inhibits the MITF-mediated expression of melanogenic genes upon α-MSH stimulation. Additionally, cells treated with different concentrations of zerumbone and ZO showed increased extracellular signal-regulated kinases 1 and 2 (ERK1/2) phosphorylation, which are involved in the degradation mechanism of MITF. Pharmacological inhibition of ERK1/2 using U0126 sufficiently reversed the anti-melanogenic effect of ZER, suggesting that increased phosphorylation of ERK1/2 is required for its anti-melanogenic activity. Taken together, these results suggest that ZER and ZO extract can be used as active ingredients in skin-whitening cosmetics because of their anti-melanogenic effect.


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36 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
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