Cdk5 and Foxc2 – a new relationship in the lymphatic vasculature
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1 Ludwig Maximilians-University Munich, Department of Pharmacy, Pharmaceutical Biology, Munich, Germany
Johanna Liebl, email:
Keywords: chromosome section, Cdk5, Foxc2, lymphatic vessels, lymphatic valves
Received: June 19, 2015 Accepted: June 23, 2015 Published: July 13, 2015
Lymphatic vessel dysfunction is associated with various pathologic conditions, including immunologic disorders, lymphedema, as well as tumor dissemination. Yet, the knowledge about the regulation of lymphatic vessel development is still limited. Our study elucidates cyclin dependent kinase 5 (Cdk5) as an essential player in the development of lymphatic vessels. Deletion of Cdk5 in the mouse endothelium results in severe lymphedema formation and embryonic lethality. On the mechanistic level, we show that Cdk5 phosphorylates the forkhead transcription factor Foxc2 which regulates Foxc2-dependent transcription. In summary, our study elucidates the Cdk5-Foxc2 interaction as a critical regulator of lymphatic vessel development.
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