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Hye Young Cho Ameeq Ul Mushtaq Jin Young Lee Dae Gyu Kim Min Sook Seok Minseok Jang Byung-Woo Han Sunghoon Kim Young Ho Jeon 《FEBS letters》2014
Lysyl-tRNA synthetase (KRS) interacts with the laminin receptor (LR/RPSA) and enhances laminin-induced cell migration in cancer metastasis. In this nuclear magnetic resonance (NMR)-based study, we show that the anticodon-binding domain of KRS binds directly to the C-terminal region of 37LRP, and the previously found inhibitors BC-K-01 and BC-K-YH16899 interfere with KRS–37LRP binding. In addition, the anticodon-binding domain of KRS binds to laminin, observed by NMR and SPR. These results provide crucial insights into the structural characteristics of the KRS–LR interaction on the cell surface. 相似文献
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Young Sic Eom Dongho Jeong A-Reum Ryu Keon-Hyoung Song Dai Sig Im Mi-Young Lee 《Current issues in molecular biology》2022,44(8):3312
Daphne odora, a blooming shrub, has been traditionally used for various medicinal purposes. However, information on its anti-melanogenic activity and dermal application is limited. In this study, the Daphne odora extract (DOE), with constituents including daphnetin, was used to investigate depigmenting activity and the underlying mechanism of Daphne odora. DOE inhibited in vitro and cellular tyrosinase activity in a dose-dependent manner, and reduced the α-MSH-induced melanin biosynthesis to a control level. The protein expressions of melanin synthesis-related enzymes were also significantly reduced by DOE. Moreover, DOE decreased the phosphorylation of cAMP-response element binding proteins (CREBs) induced by α-MSH in B16F10 cells, while it activated phosphorylated extra-cellular signal-regulated kinases (ERKs) and protein kinase B (AKT) expression. These results suggest that DOE might inhibit the melanogenesis signaling pathways by activating ERK- and AKT-signaling pathways to regulate the expression of CREB and MITF and its downstream pathways. Therefore, DOE could potentially be developed as a depigmenting agent. 相似文献
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Dickkopf-3(DKK3),Wnt/p-catenin信号通路中一个重要的抑制因子,可能参与调控黑色素生成过程.本文研究了DKK3在羊驼黑色素细胞中黑色素生成的作用.在羊驼黑色素细胞中,过表达DKK3显著下调Wntl,Lefl,Myc和黑色素生成相关基因MITF及其下游基因TYR,TYRP1和TYRP2的表达,在... 相似文献
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