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Cell Cycle. 2010 Sep 15;9(18):3710-4. doi: 10.4161/cc.9.18.13232. Epub 2010 Sep 3.

Allosteric inhibition of BCR-ABL.

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Novartis Institute for Biomedical Research, Cambridge, Massachusetts, USA.


Impaired regulation of kinase activity can lead to a variety of diseases, including cancer. Inhibition of kinase activity has, therefore, been considered an attractive anti-cancer therapeutic strategy. The success of targeted therapy with kinase inhibitors has been well documented with BCR-ABL, where imatinib specifically inhibits kinase activity with impressive pharmacological responses in chronic myelogenous leukemia (CML). However, the success of kinase inhibitors as cancer therapeutics is being challenged clinically by the emergence of acquired resistance. Most kinase inhibitors available today are ATP-competitive. There have been efforts to develop kinase inhibitors with new modes of action. In this review, we highlight the development of 'allosteric kinase inhibitors' that inhibit kinase activity by binding to a site remote from the active site of the kinase. We focus on recent efforts directed towards BCR-ABL, for which, significant progress has been made to develop allosteric inhibitors with promising therapeutic activity, especially in the context of overcoming clinically acquired resistance mutations to the first generation of ATP-competitive kinase inhibitors.

[Indexed for MEDLINE]

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