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Review
. 1999 Aug 13;285(5430):1028-32.
doi: 10.1126/science.285.5430.1028.

Integrin signaling

F G Giancotti  1 , E Ruoslahti
Affiliations
Review

Integrin signaling

F G Giancotti et al. Science. .

Abstract

Cells reside in a protein network, the extracellular matrix (ECM), which they secrete and mold into the intercellular space. The ECM exerts profound control over cells. The effects of the matrix are primarily mediated by integrins, a family of cell surface receptors that attach cells to the matrix and mediate mechanical and chemical signals from it. These signals regulate the activities of cytoplasmic kinases, growth factor receptors, and ion channels and control the organization of the intracellular actin cytoskeleton. Many integrin signals converge on cell cycle regulation, directing cells to live or die, to proliferate, or to exit the cell cycle and differentiate.

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