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디펩타이드의 B16 악성흑색종세포에서 멜라닌 생성억제작용Hypopigmentary Effects of Dipeptides in B16 Melanoma Cells

Authors
남희승김은현김수연이현이홍지연이재국조성태조양환윤혜영백광진권년수민영실박경찬김동석
Issue Date
Mar-2012
Publisher
대한화장품학회
Keywords
α-MSH; dipeptides; melanogenesis; tyrosinase; melanin
Citation
대한화장품학회지, v.38, no.1, pp 67 - 73
Pages
7
Journal Title
대한화장품학회지
Volume
38
Number
1
Start Page
67
End Page
73
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/66760
ISSN
1226-2587
2288-9507
Abstract
본 연구에서는 B16 악성흑색종 세포에서 디펩타이드(dipeptide)의 멜라닌생성 저해 효과를 연구하였다. 실험결과 WV (트립토판-발린), WM (트립토판-메치오닌), CQ (시스테인-글루타민)는 멜라닌 생성을 농도 의존적으로 감소시켰다. 그러나 디펩타이드는 멜라닌 생합성과정의 속도 조절 단계 효소인 타이로시네이즈(tyrosinase)의 활성을 직접 감소시키지는 않았다. 따라서 타이로시네이즈의 발현양상을 조사하였고, 실험 결과 α-MSH가 유도한 타이로시네이즈발현이 WV, WM, 그리고 CQ에 의해 억제되었다. 그러므로 WV, WM, 그리고 CQ가 타이로시네이즈의 억제성 조절(down-regulation)을 통해 멜라닌 생성을 감소시킨다고 제안될 수 있다.
In the present study, we investigated the effects of dipeptides on melanogenesis in B16 melanoma cells. It was found that WV (Trp+Val), WM (Trp+Met), and CQ (Cys+Gln) decreased melanin production dosedependently. However, dipeptides did not directly inhibit tyrosinase activity, the rate-limiting melanogenic enzyme. Therefore, we further investigated the expression of tyrosinase. Our results showed that α-MSH-induced tyrosinase expression was down-regulated by WV, WM, and CQ. Thus, we propose that WV, WM, and CQ show hypopigmentary activity through tyrosinase down-regulation.
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