Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effect of Rubus crataefifolius Leaf Extract on Melanin Synthesis

산딸기 잎 추출물이 멜라닌 생성에 미치는 영향

  • Kim, Mee-Kyung (Department of Bio-Cosmetic Science, Seowon University) ;
  • Kim, Dae-Yong (College of Korean Medicine, Woosuk University)
  • 김미경 (서원대학교 바이오코스메틱학과) ;
  • 김대용 (우석대학교 한의과대학)
  • Received : 2021.06.06
  • Accepted : 2021.06.30
  • Published : 2021.06.30
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Abstract

In this study, we investigated the melanogenesis inhibitory effects of Rubus crataefifolius Leaf Extract (RCLE) in B16F10 melanoma cells. We examined the effects of RCLE on the melanin contents and tyrosinase activity, as well as the protein expression levels of the melanogenic enzymes TRP-1, TRP-2, and MITF in α-MSH -stimulated B16F10 melanoma cells. RCLE effectively inhibited tyrosinase activity and melanogenesis, suppressed the phosphorylation of PKA and CREB, and expression of MIT involved in the melanogenesis pathway, and down-regulated expression of melanogenesis related proteins. These result suggest that RCLE inhibited α-MSH-stimulated melanin synthesis by suppressing MITF expression. Therefore, our study suggests that RCLE has potential as a safe treatment for excessive pigmentation or as a natural ingredient in cosmetics.

본 연구는 B16F10 melanoma 세포에서 산딸기 잎 추출물(Rubus crataefifolius Leaf Extract, RCLE)의 멜라닌 생성 억제 효과를 확인하고자 수행되었다. α-MSH로 자극한 B16F10 melanoma 세포에서 멜라닌 함량과 tyrosinase 활성, 멜라닌 생성관련 효소들인 TRP-1, TRP-2 및 MITF의 단백질 발현 수준을 조사하였고 이에 대한 RCLE의 효과를 검증하였다. RCLE는 tyrosinase 활성과 멜라닌 생성을 효과적으로 억제하였고 멜라닌 생성 경로에 관여하는 PKA와 CREB의 인산화와 MITF의 발현을 억제하였으며 멜라닌 생성 관련 단백질의 발현을 하향 조절하였다. 이러한 결과는 RCLE가 MITF 발현을 억제하여 α-MSH로 자극된 멜라닌 합성을 억제한다는 것을 보여준다. 따라서 이러한 연구결과는 RCLE가 과도한 멜라닌 생성으로 인한 색소 침착을 완화시킬 수 있는 기능성 화장품 소재로 활용될 수 있음을 시사한다.

Keywords

References

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