Mechanical shear can accelerate the gelation of actin filament networks.

Abstract

Rearrangements of the filamentous actin cytoskeleton at the leading edge of motile cells occur under large mechanical stresses. Contrary to conventional wisdom, we show that mechanical deformations applied during gelation can accelerate the rate of gelation and produce F-actin networks that are stiffer and mechanically more resilient than those polymerized… (More)

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