Inhibitors of Aurora Kinases Screened by a Chip‐based Assay System

Aurora kinases (AKs) are involved in cell division and thus an important target for cancer therapy. We have developed a chip‐based AK assay system that can be applied to screening of a large chemical library. Two compounds, 1S‐04785 and 1S‐30 957, were identified as an inhibitor of AKA and AKB enzym...

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Published in:Bulletin of the Korean Chemical Society 2019, 40(12), , pp.1202-1207
Main Authors: Cho, Yong Wan, Lim, Hye Jin, Han, Moon Hi, Kim, Byung‐Chul, Han, Sanghwa
Format: Article
Language:English
Subjects:
Aurora kinases
Cell cycle arrest
Chip‐based assay
Inhibitors
Targeted cancer therapy
화학
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cites cdi_FETCH-LOGICAL-c3071-43a4ec6ff0c4a4b198858c98ffc465c8947254ef59934f9d246ed3a17f29bf373
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container_issue 12
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container_title Bulletin of the Korean Chemical Society
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creator Cho, Yong Wan
Lim, Hye Jin
Han, Moon Hi
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Han, Sanghwa
description Aurora kinases (AKs) are involved in cell division and thus an important target for cancer therapy. We have developed a chip‐based AK assay system that can be applied to screening of a large chemical library. Two compounds, 1S‐04785 and 1S‐30 957, were identified as an inhibitor of AKA and AKB enzymes level and also an inhibitor of cell proliferation. Molecular docking simulation showed that the steric hindrance imposed by Asp274 of AKA and Glu161 of AKB is a determining factor of binding mode. Compared with a known inhibitor ZM447439, they had larger IC50 values for the enzymatic inhibition of AKs but comparable values in the MTT assays of cytotoxicity. HeLa cells treated with 1S‐04785, 1S‐30 957, and ZM447439 were all arrested at the G2/M phase. Unlike the enzyme‐based assays in which the three compounds inhibited both AKA and AKB, cell‐based experiments using flow cytometry and fluorescence confocal microscopy suggest that 1S‐04785 inhibits AKA whereas 1S‐30 957 and ZM447439 inhibit AKB. A chip‐based assay and docking simulation of Aurora kinases.
doi_str_mv 10.1002/bkcs.11901
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subjects Aurora kinases
Cell cycle arrest
Chip‐based assay
Inhibitors
Targeted cancer therapy
화학
title Inhibitors of Aurora Kinases Screened by a Chip‐based Assay System
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