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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Villin induces microvilli growth and actin redistribution in transfected fibroblasts.

The function of villin, an actin-binding protein, has been investigated by transfecting fibroblasts with cloned human cDNAs encoding wild-type villin or functional villin domains. Synthesis of large amounts of villin induced the growth of numerous long microvilli on cell surfaces together with the redistribution of F-actin. These microvilli contained a cytoskeleton of F-actin, and their appearance was frequently accompanied by the disappearance of stress fibers. The complete villin gene sequence was required to exert its morphogenic effect. Villin lacking one actin-binding domain (113 amino acids), located at its carboxyterminal end, did not induce growth if microvilli or stress fiber disruption. Our results indicate that villin plays a key role in vivo in the morphogenesis of microvilli.[1]


  1. Villin induces microvilli growth and actin redistribution in transfected fibroblasts. Friederich, E., Huet, C., Arpin, M., Louvard, D. Cell (1989) [Pubmed]
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