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The docking protein FRS2? is a critical regulator of VEGF receptors signaling.


ABSTRACT: Vascular endothelial growth factors (VEGFs) signal via their cognate receptor tyrosine kinases designated VEGFR1-3. We report that the docking protein fibroblast growth factor receptor substrate 2 (FRS2?) plays a critical role in cell signaling via these receptors. In vitro FRS2? regulates VEGF-A and VEGF-C-dependent activation of extracellular signal-regulated receptor kinase signaling and blood and lymphatic endothelial cells migration and proliferation. In vivo endothelial-specific deletion of FRS2? results in the profound impairment of postnatal vascular development and adult angiogenesis, lymphangiogenesis, and arteriogenesis. We conclude that FRS2? is a previously unidentified component of VEGF receptors signaling.

SUBMITTER: Chen PY 

PROVIDER: S-EPMC3992672 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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The docking protein FRS2α is a critical regulator of VEGF receptors signaling.

Chen Pei-Yu PY   Qin Lingfeng L   Zhuang Zhen W ZW   Tellides George G   Lax Irit I   Schlessinger Joseph J   Simons Michael M  

Proceedings of the National Academy of Sciences of the United States of America 20140402 15


Vascular endothelial growth factors (VEGFs) signal via their cognate receptor tyrosine kinases designated VEGFR1-3. We report that the docking protein fibroblast growth factor receptor substrate 2 (FRS2α) plays a critical role in cell signaling via these receptors. In vitro FRS2α regulates VEGF-A and VEGF-C-dependent activation of extracellular signal-regulated receptor kinase signaling and blood and lymphatic endothelial cells migration and proliferation. In vivo endothelial-specific deletion o  ...[more]

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