Cofilin promotes actin polymerization and defines the direction of cell motility - PubMed (original) (raw)

. 2004 Apr 30;304(5671):743-6.

doi: 10.1126/science.1094561.

Affiliations

• PMID: 15118165
• DOI: 10.1126/science.1094561

Cofilin promotes actin polymerization and defines the direction of cell motility

Mousumi Ghosh et al. Science. 2004.

Abstract

A general caging method for proteins that are regulated by phosphorylation was used to study the in vivo biochemical action of cofilin and the subsequent cellular response. By acute and local activation of a chemically engineered, light-sensitive phosphocofilin mimic, we demonstrate that cofilin polymerizes actin, generates protrusions, and determines the direction of cell migration. We propose a role for cofilin that is distinct from its role as an actin-depolymerizing factor.

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