期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 66, 期 6, 页码 4106-4130出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.2c02068
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This study evaluates the kinase inhibitory activity of a library of DYRKs/CLKs inhibitors and finds a diverse range of potencies and selectivities among these inhibitors, highlighting the challenges of targeting kinases in this area of research. The use of a panel of inhibitors is suggested for studying the functions of these kinases in cellular processes.
Dual-specificity, tyrosine phosphorylation-regulated kinases (DYRKs) and cdc2-like kinases (CLKs) play a large variety of cellular functions and are involved in several diseases (cognitive disorders, diabetes, cancers, etc.). There is, thus, growing interest in pharmacological inhibitors as chemical probes and potential drug candidates. This study presents an unbiased evaluation of the kinase inhibitory activity of a library of 56 reported DYRK/CLK inhibitors on the basis of comparative, side-by-side, catalytic activity assays on a panel of 12 recombinant human kinases, enzyme kinetics (residence time and K-d), in-cell inhibition of Thr-212Tau phosphorylation, and cytotoxicity. The 26 most active inhibitors were modeled in the crystal structure of DYRK1A. The results show a rather large diversity of potencies and selectivities among the reported inhibitors and emphasize the difficulties to avoid offtargets in this area of the kinome. The use of a panel of DYRKs/CLKs inhibitors is suggested to analyze the functions of these kinases in cellular processes.
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