期刊
BIOCHIMIE
卷 94, 期 2, 页码 533-540出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biochi.2011.09.002
关键词
Melanin biosynthesis; Tyrosinase inhibitor; Hyperpigmentation; Docking analysis; 2-(Substituted phenyl)thiazolidine-4-carboxylic acid derivatives
资金
- National Research Foundation of Korea (NRF)
- Korea government (MEST) [2009-0083538]
Herein we describe the design, synthesis and biological activities of 2-(substituted phenyl)thiazolidine-4-carboxylic acid derivatives as novel tyrosinase inhibitors. The target compounds 2a-2j were designed and synthesized from the structural characteristics of N-phenylthiourea, tyrosinase inhibitor and tyrosine, and L-DOPA, the natural substrates of tyrosinase. Among them, (2R/S,4R)-2-(2,4-dimethoxyphenyl) thiazolidine-4-carboxylic acid (2g) caused the greatest inhibition 66.47% at 20 mu M of L-DOPA oxidase activity of mushroom tyrosinase. Kinetic analysis of tyrosinase inhibition revealed that 2g is a competitive inhibitor. We predicted the tertiary structure of tyrosinase, and simulated the docking of mushroom tyrosinase with 2g. These results suggest that the binding affinity of 2g with tyrosinase is high. Also, 2g effectively inhibited tyrosinase activity and reduced melanin levels in B16 cells treated with alpha-MSH. These data strongly suggest that 2g can suppress the production of melanin via the inhibition of tyrosinase activity. Published by Elsevier Masson SAS.
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