In collaboration or competition with many other actin-binding proteins, the actin-depolymerizing factor/cofilins integrate transmembrane signals to coordinate the spatial and temporal organization of actin filament assembly/disassembly (dynamics). In addition, newly discovered effects of these proteins in lipid metabolism, gene regulation, and apoptosis suggest that their roles go well beyond regulating the cytoskeleton.
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Bamburg et al. (2010) studied this question.
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