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XB-ART-45644
ACS Chem Biol 2012 Jan 20;71:185-96. doi: 10.1021/cb200305u.
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Selective aurora kinase inhibitors identified using a taxol-induced checkpoint sensitivity screen.

Kwiatkowski N , Deng X , Wang J , Tan L , Villa F , Santaguida S , Huang HC , Mitchison T , Musacchio A , Gray N .


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The members of the Aurora kinase family play critical roles in the regulation of the cell cycle and mitotic spindle assembly and have been intensively investigated as potential targets for a new class of anticancer drugs. We describe a new highly potent and selective class of Aurora kinase inhibitors discovered using a phenotypic cellular screen. Optimized inhibitors display many of the hallmarks of Aurora inhibition including endoreduplication, polyploidy, and loss of cell viability in cancer cells. Structure-activity relationships with respect to kinome-wide selectivity and guided by an Aurora B co-crystal structure resulted in the identification of key selectivity determinants and discovery of a subseries with selectivity toward Aurora A. A direct comparison of biochemical and cellular profiles with respect to published Aurora inhibitors including VX-680, AZD1152, MLN8054, and a pyrimidine-based compound from Genentech demonstrates that compounds 1 and 3 will become valuable additional pharmacological probes of Aurora-dependent functions.

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Species referenced: Xenopus laevis
Genes referenced: aurka aurkb

References [+] :
Abe, LATS2-Ajuba complex regulates gamma-tubulin recruitment to centrosomes and spindle organization during mitosis. 2006, Pubmed