Vascular Endothelial Growth Factor (VEGF) Promotes Assembly of the p130Cas Interactome to Drive Endothelial Chemotactic Signaling and Angiogenesis

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Title: Vascular Endothelial Growth Factor (VEGF) Promotes Assembly of the p130Cas Interactome to Drive Endothelial Chemotactic Signaling and Angiogenesis
Authors: Evans, Ian M.
Kennedy, Susan A.
Paliashvili, Ketevan
Santra, Tapesh
Kolch, Walter
et al.
Permanent link: http://hdl.handle.net/10197/9756
Date: 22-Dec-2016
Online since: 2019-04-01T10:28:17Z
Abstract: p130Cas is a polyvalent adapter protein essential for cardiovascular development, and with a key role in cell movement. In order to identify the pathways by which p130Cas exerts its biological functions in endothelial cells we mapped the p130Cas interactome and its dynamic changes in response to VEGF using high-resolution mass spectrometry and reconstruction of protein interaction (PPI) networks with the aid of multiple PPI databases. VEGF enriched the p130Cas interactome in proteins involved in actin cytoskeletal dynamics and cell movement, including actin-binding proteins, small GTPases and regulators or binders of GTPases. Detailed studies showed that p130Cas association of the GTPase-binding scaffold protein, IQGAP1, plays a key role in VEGF chemotactic signaling, endothelial polarization, VEGF-induced cell migration, and endothelial tube formation. These findings indicate a cardinal role for assembly of the p130Cas interactome in mediating the cell migratory response to VEGF in angiogenesis, and provide a basis for further studies of p130Cas in cell movement.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Science Foundation Ireland
Type of material: Journal Article
Publisher: American Society for Biochemistry and Molecular Biology
Journal: Molecular & Cellular Proteomics
Volume: 16
Issue: 2
Start page: 168
End page: 180
Copyright (published version): 2017 The American Society for Biochemistry and Molecular Biology
Keywords: GTPaseNeuropilinCell movementFocal adhesionMass spectrometryangiogenesis
DOI: 10.1074/mcp.M116.064428
Language: en
Status of Item: Peer reviewed
Appears in Collections:Conway Institute Research Collection
SBI Research Collection
Medicine Research Collection

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