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Regulatory crosstalk by protein kinases on CFTR trafficking and activity

By Carlos Miguel eFarinha, Agnieszka eSwiatecka-Urban, Agnieszka eSwiatecka-Urban, David L Brautigan and Peter eJordan and Peter eJordan

Abstract

Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) is a member of the ATP binding cassette (ABC) transporter superfamily that functions as a cAMP-activated chloride ion channel in fluid-transporting epithelia. There is abundant evidence that CFTR activity (i.e. channel opening and closing) is regulated by protein kinases and phosphatases via phosphorylation and dephosphorylation. Here, we review recent evidence for the role of protein kinases in regulation of CFTR delivery to and retention in the plasma membrane. We review this information in a broader context of regulation of other transporters by protein kinases because the overall functional output of transporters involves the integrated control of both their number at the plasma membrane and their specific activity. While many details of the regulation of intracellular distribution of CFTR and other transporters remain to be elucidated, we hope that this review will motivate research providing new insights into how protein kinases control membrane transport to impact health and disease

Topics: Cystic Fibrosis, Phosphorylation, Protein trafficking, kinase, CFTR, Chemistry, QD1-999
Publisher: Frontiers Media S.A.
Year: 2016
DOI identifier: 10.3389/fchem.2016.00001
OAI identifier: oai:doaj.org/article:fe18c3c0bac44b3996de78d087c01c08
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