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

Stimulation-dependent recycling of integrin beta1 regulated by ARF6 and Rab11.

In comparison to the internalization pathways of endocytosis, the recycling pathways are less understood. Even less defined is the process of regulated recycling, as few examples exist and their underlying mechanisms remain to be clarified. In this study, we examine the endocytic recycling of integrin beta1, a process that has been suggested to play an important role during cell motility by mediating the redistribution of integrins to the migrating front. External stimulation regulates the endocytic itinerary of beta1, mainly at an internal compartment that is likely to be a subset of the recycling endosomes. This stimulation-dependent recycling is regulated by ARF6 and Rab11, and also requires the actin cytoskeleton in an ARF6-dependent manner. Consistent with these observations being relevant for cell motility, mutant forms of ARF6 that affect either actin rearrangement or recycling inhibit the motility of a breast cancer cell line.[1]


  1. Stimulation-dependent recycling of integrin beta1 regulated by ARF6 and Rab11. Powelka, A.M., Sun, J., Li, J., Gao, M., Shaw, L.M., Sonnenberg, A., Hsu, V.W. Traffic (2004) [Pubmed]
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