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Integrins mediate cell adhesion, migration, and a variety of signal transduction events. These integrin actions can overlap or even synergize with those of growth factors. We examined for mechanisms(More)
Certain small GTP-binding proteins control the enzymatic activity of a family of closely related serine-threonine kinases known as mitogen-activated protein kinases (MAPKs). In turn, these MAPKs,(More)
Work from a number of laboratories has established a role for certain small GTP-binding proteins in controlling the enzymatic activity of a family of serine-threonine kinases known as(More)