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논문 기본 정보

자료유형
학술저널
저자정보
Baek Eun Ji (School of Food Science and Biotechnology Kyungpook National University Daegu 41566 Republic of Kore) Ha Yu-Bin (School of Food Science and Biotechnology Kyungpook National University Daegu 41566 Republic of Kore) Kim Ji Hye (School of Food Science and Biotechnology Kyungpook National University Daegu 41566 Republic of Kore) Lee Ki Won (Department of Agricultural Biotechnology Seoul National University Seoul 08826 Republic of Korea) Lim Soon Sung (Department of Food Science and Nutrition Hallym University Chuncheon Gangwon 24252 Republic of Kore) 강남주 (경북대학교)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제32권 제8호
발행연도
2022.8
수록면
982 - 988 (7page)
DOI
10.4014/jmb.2207.07043

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Licorice (Glycyrrhiza) has been used as preventive and therapeutic material for hyperpigmentation disorders. Previously, we isolated noble compounds including dehydroglyasperin C (DGC), dehydroglyasperin D (DGD) and isoangustone A (IAA) from licorice hexane/ethanol extracts. However, their anti-melanogenic effects and underlying molecular mechanisms are unknown. The present study compared effects of DGC, DGD and IAA on pigmentation in melan-a melanocytes and human epidermal melanocytes (HEMn). DGD exerted the most excellent anti-melanogenic effect, followed by DGC and IAA at non-cytotoxic concentrations. In addition, DGD significantly inhibited tyrosinase activity in vitro cell-free system and cell system. Western blot result showed that DGD decreased expression of microphthalmia-associated transcription factor (MITF), tyrosinase and tyrosinase-related protein-1 (TRP-1) in melan-a cells and HEMn cells. DGD induced phosphorylation of MITF, ERK and Akt signal pathway promoting MITF degradation system. However, DGD did not influence p38 and cAMP-dependent protein kinase (PKA)/CREB signal pathway in melan-a cells. These result indicated that DGD inhibited melanogenesis not only direct regulation of tyrosinase but also modulating intracellular signaling related with MITF level. Collectively, these results suggested a protective role for DGD against melanogenesis.

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