Actin cytoskeleton organization regulated by the PAK family of protein kinases.

Abstract excerpt

Cdc42, Rac1 and other Rho-type GTPases regulate gene expression, cell proliferation and cytoskeletal architecture [1,2]. A challenge is to identify the effectors of Cdc42 and Rac1 that mediate these biological responses. Protein kinases of the p21-activated kinase (PAK) family bind activated Rac1 and Cdc42, and switch on mitogen-activated protein (MAP) kinase pathways; however, their roles in regulating actin...

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