Impact of Nedd4 Proteins and Serum and Glucocorticoid-Induced Kinases on Epithelial Na+ Transport in the Distal Nephron
- 1 November 2005
- journal article
- review article
- Published by Ovid Technologies (Wolters Kluwer Health) in Journal of the American Society of Nephrology
- Vol. 16 (11), 3167-3174
- https://doi.org/10.1681/asn.2005050454
Abstract
The precise control of BP occurs via Na+ homeostasis and involves the precise regulation of the epithelial Na+ channel (ENaC) in the aldosterone-sensitive distal nephron. This has been corroborated by the linkage of mutations in the genes encoding ENaC subunits and Liddle’s syndrome, a heritable form of human hypertension. Mapping of these mutations on ENaC indicated that inactivation of PY motifs is responsible and leads to the proposition that the channel interacts via its PY motifs with the WW domains of the Nedd4/Nedd4-like ubiquitin-protein ligase family. It is now well established that the cell surface expression of ENaC is controlled via ubiquitylation by this protein family and that this ubiquitylation is regulated by the aldosterone-induced protein serum and glucocorticoid induced kinase 1.Keywords
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