Selective Requirement for Src Kinases during VEGF-Induced Angiogenesis and Vascular Permeability

Src kinase activity was found to protect endothelial cells from apoptosis during vascular endothelial growth factor (VEGF)–, but not basic fibroblast growth factor (bFGF)–, mediated angiogenesis in chick embryos and mice. In fact, retroviral targeting of kinase-deleted Src to tumor-associated blood...

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Published inMolecular cell Vol. 4; no. 6; pp. 915 - 924
Main Authors Eliceiri, Brian P, Paul, Robert, Schwartzberg, Pamela L, Hood, John D, Leng, Jie, Cheresh, David A
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.12.1999
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Summary:Src kinase activity was found to protect endothelial cells from apoptosis during vascular endothelial growth factor (VEGF)–, but not basic fibroblast growth factor (bFGF)–, mediated angiogenesis in chick embryos and mice. In fact, retroviral targeting of kinase-deleted Src to tumor-associated blood vessels suppressed angiogenesis and the growth of a VEGF-producing tumor. Although mice lacking individual Src family kinases (SFKs) showed normal angiogenesis, mice deficient in pp60 c-src or pp62 c-yes showed no VEGF-induced vascular permeability (VP), yet fyn −/− mice displayed normal VP. In contrast, inflammation-mediated VP appeared normal in Src-deficient mice. Therefore, VEGF-, but not bFGF-, mediated angiogenesis requires SFK activity in general, whereas the VP activity of VEGF specifically depends on the SFKs, Src, or Yes.
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ISSN:1097-2765
1097-4164
DOI:10.1016/S1097-2765(00)80221-X