Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P20020 (adenosine triphosphatase)
 3,299 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Serum- and glucocorticoid inducible-kinase 1 (SGK1) is an early gene transcriptionally upregulated by cell stress such as cell shrinkage and hypoxia and several hormones including gluco- and mineralocorticoids. It is activated by insulin and growth factors. SGK1 is a powerful regulator of a wide variety of channels and transporters. The present review describes the role of SGK1 in the regulation of potassium (K(+)) channels, K(+) transporters and K(+) homeostasis. SGK1-regulated K(+) channels include renal outer medullary K+ channel, Kv1.3, Kv1.5, KCNE1/KCNQ1, KCNQ4 and, via regulation of calcium (Ca(2+)) entry, Ca(2+)-sensitive K(+) channels. SGK1-sensitive transporters include sodium-potassium-chloride cotransporter 2 and sodium/potassium-adenosine triphosphatase. SGK1-dependent regulation of K(+) channels and K(+) transport contributes to the stimulation of renal K(+) excretion following high K(+) intake, to insulin-induced cellular K(+) uptake and hypokalemia, to inhibition of insulin release by glucocorticoids, to stimulation of mast cell degranulation and gastric acid secretion, and to cardiac repolarization. Thus, SGK1 has a profound effect on K(+) homeostasis and on a multitude of K(+)-sensitive cellular functions.
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PMID:Serum- and glucocorticoid-inducible kinase 1 in the regulation of renal and extrarenal potassium transport. 2203 56