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Published on: May 18, 2017
IFT20: An Eclectic Regulator of Cellular Processes beyond Intraflagellar Transport
Francesca Finetti1, Anna Onnis1, Cosima T Baldari1
1Department of Life Sciences, University of Siena, 53100 Siena, Italy.
Abstract:
Initially discovered as the smallest component of the intraflagellar transport (IFT) system, the IFT20 protein has been found to be implicated in several unconventional mechanisms beyond its essential role in the assembly and maintenance of the primary cilium. IFT20 is now considered a key player not only in ciliogenesis but also in vesicular trafficking of membrane receptors and signaling proteins. Moreover, its ability to associate with a wide array of interacting partners in a cell-type specific manner has expanded the function of IFT20 to the regulation of intracellular degradative and secretory pathways. In this review, we will present an overview of the multifaceted role of IFT20 in both ciliated and non-ciliated cells.
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