Oncotarget

Reviews:

The awakening of the CDK10/Cyclin M protein kinase

Vincent J. Guen, Carly Gamble, Jacqueline A. Lees and Pierre Colas _

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Oncotarget. 2017; 8:50174-50186. https://doi.org/10.18632/oncotarget.15024

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Abstract

Vincent J. Guen1, Carly Gamble2, Jacqueline A. Lees1 and Pierre Colas2

1 David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, United States of America

2 P2I2 Group, Protein Phosphorylation and Human Disease Laboratory, Station Biologique de Roscoff, Centre National de la Recherche Scientifique, Université Pierre et Marie Curie, Roscoff, France

Correspondence to:

Pierre Colas, email:

Keywords: CDK10, Cyclin M, ETS2, ciliogenesis, STAR syndrome

Received: October 29, 2016 Accepted: January 09, 2017 Published: February 02, 2017

Abstract

Cyclin-dependent kinases (CDKs) play important roles in the control of fundamental cellular processes. Some of the most characterized CDKs are considered to be pertinent therapeutic targets for cancers and other diseases, and first clinical successes have recently been obtained with CDK inhibitors. Although discovered in the pre-genomic era, CDK10 attracted little attention until it was identified as a major determinant of resistance to endocrine therapy for breast cancer. In some studies, CDK10 has been shown to promote cell proliferation whereas other studies have revealed a tumor suppressor function. The recent discovery of Cyclin M as a CDK10 activating partner has allowed the unveiling of a protein kinase activity against the ETS2 oncoprotein, whose degradation is activated by CDK10/Cyclin M-mediated phosphorylation. CDK10/Cyclin M has also been shown to repress ciliogenesis and to maintain actin network architecture, through the phoshorylation of the PKN2 protein kinase and the control of RhoA stability. These findings shed light on the molecular mechanisms underlying STAR syndrome, a severe human developmental genetic disorder caused by mutations in the Cyclin M coding gene. They also pave the way to a better understanding of the role of CDK10/Cyclin M in cancer.


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