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Trends Cell Biol. 2005 Aug;15(8):399-403.

Integrins and Src: dynamic duo of adhesion signaling.

Author information

1
Hematology-Oncology Division, Department of Medicine, University of California-San Diego, La Jolla, CA 92093, USA. sshattil@ucsd.edu

Abstract

Src family protein tyrosine kinases (SFKs) play important roles downstream of integrin adhesion receptors, and they are necessary for the generation of "outside-in signals" that regulate cytoskeletal organization, cell motility and gene expression in response to cell adhesion. One relatively under-explored facet of this relationship is the possible physical interaction of integrins with SFKs. Recently, it has been established that beta3 integrins and c-Src can interact directly, and this pool of c-Src is activated by cell adhesion to initiate outside-in signaling in platelets, osteoclasts and cells of the vasculature. Here, the biochemical basis for and biological significance of this integrin-SFK interaction is summarized, and I propose a general mechanism for initiation of outside-in integrin signaling.

PMID:
16005629
DOI:
10.1016/j.tcb.2005.06.005
[Indexed for MEDLINE]

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