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Effects of phenolics from Oplismenus undulatifolius in α-MSH-stimulated B16F10 melanoma cells

  • Park, Hye-Jin (School of Food science & Biotechnology, Kyungpook National University) ;
  • Lee, Eun-Ho (School of Food science & Biotechnology, Kyungpook National University) ;
  • Jung, Hee-Young (School of Applied Biosciences, Kyungpook National University) ;
  • Kang, In-Kyu (Department of Horticultural Science, Kyungpook National University) ;
  • Cho, Young-Je (School of Food science & Biotechnology, Kyungpook National University)
  • Received : 2020.02.03
  • Accepted : 2020.03.06
  • Published : 2020.03.31

Abstract

In this study, the efficacy of melanoma cell B16F10 was investigated using the Korean native plant Oplismenus undulatifolius (OU). First, the cell viability of the extract was more than 90% when treated with 15 ㎍/mL of phenolics from OU. The results showed that melanin biosynthesis and cellular tyrosinase synthesis were inhibited by treatment with α-melanocyte-stimulating hormone-stimulated mouse melanoma cell B16F10 at a concentration of 15 ㎍/mL of phenolics for cell-line efficacy. The expression of tyrosinase, tyrosinase-related protein (TRP)-1, TRP-2, and microphthalmia transcription factor (MITF) protein was confirmed by western blot to investigate the effect of phenolics from OU on melanin biosynthesis. When treated with phenolics from OU 15 ㎍/mL, tyrosinase, TRP-1, TRP-2, and MITF decreased the protein expression level. In particular, tyrosinase, TRP-1, and MITF inhibited the production amount to a level similar to that of the non-treated normal group, indicating that the effect was excellent. Therefore, phenolics from OU acts as an inhibitor of tyrosinase, TRP-1, TRP-2, and its transcription factor MITF, and participates in melanin biosynthesis mechanism. These results suggested the potential for development as a material.

Keywords

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