Serine/threonine-protein kinase Sgk3

Definition:

Serine/threonine-protein kinase which is involved in the regulation of a wide variety of ion channels, membrane transporters, cell growth, proliferation, survival and migration. Up-regulates Na(+) channels: SCNN1A/ENAC and SCN5A, K(+) channels: KCNA3/KV1.3, KCNE1, KCNQ1 and KCNH2/HERG, epithelial Ca(2+) channels: TRPV5 and TRPV6, chloride channel: BSND, creatine transporter: SLC6A8, Na(+)/dicarboxylate cotransporter: SLC13A2/NADC1, Na(+)-dependent phosphate cotransporter: SLC34A2/NAPI-2B, amino acid transporters: SLC1A5/ASCT2 and SLC6A19, glutamate transporters: SLC1A3/EAAT1, SLC1A6/EAAT4 and SLC1A7/EAAT5, glutamate receptors: GRIA1/GLUR1 and GRIK2/GLUR6, Na(+)/H(+) exchanger: SLC9A3/NHE3, and the Na(+)/K(+) ATPase. Plays a role in the regulation of renal tubular phosphate transport and bone density. Phosphorylates NEDD4L and GSK3B. Positively regulates ER transcription activity through phosphorylation of FLII. Negatively regulates the function of ITCH/AIP4 via its phosphorylation and thereby prevents CXCR4 from being efficiently sorted to lysosomes.

References:

[1]. Guido Henke, et al. Activation of Na+/K+-ATPase by the serum and glucocorticoid-dependent kinase isoforms. Kidney Blood Press Res. 2002;25(6):370-4. [Content Brief]

[2]. Thomas Slagsvold, et al. CISK attenuates degradation of the chemokine receptor CXCR4 via the ubiquitin ligase AIP4. EMBO J. 2006 Aug 23;25(16):3738-49. [Content Brief]

[3]. Jun Xu, et al. Identification of Flightless-I as a substrate of the cytokine-independent survival kinase CISK. J Biol Chem. 2009 May 22;284(21):14377-85. [Content Brief]

[4]. N Gamper, et al. K+ channel activation by all three isoforms of serum- and glucocorticoid-dependent protein kinase SGK. Pflugers Arch. 2002 Oct;445(1):60-6. [Content Brief]

[5]. Gottlieb Maier, et al. Upregulation of HERG channels by the serum and glucocorticoid inducible kinase isoform SGK3. Cell Physiol Biochem. 2006;18(4-5):177-86. [Content Brief]

[6]. Manzar Shojaiefard, et al. Stimulation of the creatine transporter SLC6A8 by the protein kinases SGK1 and SGK3. Biochem Biophys Res Commun. 2005 Sep 2;334(3):742-6. [Content Brief]

[7]. Monica Palmada, et al. The serine/threonine kinases SGK1, 3 and PKB stimulate the amino acid transporter ASCT2. Biochem Biophys Res Commun. 2005 May 27;331(1):272-7. [Content Brief]

[8]. Christoph Boehmer, et al. Serum and glucocorticoid inducible kinases in the regulation of the cardiac sodium channel SCN5A. Cardiovasc Res. 2003 Mar 15;57(4):1079-84. [Content Brief]

[9]. Hamdy M Embark, et al. Regulation of KCNE1-dependent K(+) current by the serum and glucocorticoid-inducible kinase (SGK) isoforms. Pflugers Arch. 2003 Feb;445(5):601-6. [Content Brief]

[10]. Hamdy M Embark, et al. Regulation of CLC-Ka/barttin by the ubiquitin ligase Nedd4-2 and the serum- and glucocorticoid-dependent kinases. Kidney Int. 2004 Nov;66(5):1918-25. [Content Brief]

[11]. Christoph Böhmer, et al. The serum and glucocorticoid inducible kinases SGK1-3 stimulate the neutral amino acid transporter SLC6A19. Cell Physiol Biochem. 2010;25(6):723-32. [Content Brief]

[12]. B Friedrich, et al. The serine/threonine kinases SGK2 and SGK3 are potent stimulators of the epithelial Na+ channel alpha,beta,gamma-ENaC. Pflugers Arch. 2003 Mar;445(6):693-6. [Content Brief]

[13]. C Böhmer, et al. Regulation of the epithelial calcium channel TRPV6 by the serum and glucocorticoid-inducible kinase isoforms SGK1 and SGK3. FEBS Lett. 2007 Dec 11;581(29):5586-90. [Content Brief]

[14]. G Henke, et al. Regulation of the voltage gated K+ channel Kv1.3 by the ubiquitin ligase Nedd4-2 and the serum and glucocorticoid inducible kinase SGK1. J Cell Physiol. 2004 May;199(2):194-9. [Content Brief]

[15]. Peijian He, et al. Serum- and glucocorticoid-induced kinase 3 in recycling endosomes mediates acute activation of Na+/H+ exchanger NHE3 by glucocorticoids. Mol Biol Cell. 2011 Oct;22(20):3812-25. [Content Brief]

[16]. Christoph Boehmer, et al. Regulation of the excitatory amino acid transporter EAAT5 by the serum and glucocorticoid dependent kinases SGK1 and SGK3. Biochem Biophys Res Commun. 2005 Apr 8;329(2):738-42. [Content Brief]

[17]. M Palmada, et al. Regulation of intestinal phosphate cotransporter NaPi IIb by ubiquitin ligase Nedd4-2 and by serum- and glucocorticoid-dependent kinase 1. Am J Physiol Gastrointest Liver Physiol. 2004 Jul;287(1):G143-50. [Content Brief]

[18]. Christoph Boehmer, et al. Regulation of the glutamate transporter EAAT1 by the ubiquitin ligase Nedd4-2 and the serum and glucocorticoid-inducible kinase isoforms SGK1/3 and protein kinase B. J Neurochem. 2003 Sep;86(5):1181-8. [Content Brief]

[19]. Fangyan Dai, et al. Human serum and glucocorticoid-inducible kinase-like kinase (SGKL) phosphorylates glycogen syntheses kinase 3 beta (GSK-3beta) at serine-9 through direct interaction. Biochem Biophys Res Commun. 2002 May 17;293(4):1191-6. [Content Brief]

[20]. Christoph Boehmer, et al. Stimulation of renal Na+ dicarboxylate cotransporter 1 by Na+/H+ exchanger regulating factor 2, serum and glucocorticoid inducible kinase isoforms, and protein kinase B. Biochem Biophys Res Commun. 2004 Jan 23;313(4):998-1003. [Content Brief]

[21]. Hamdy M Embark, et al. Regulation of the epithelial Ca2+ channel TRPV5 by the NHE regulating factor NHERF2 and the serum and glucocorticoid inducible kinase isoforms SGK1 and SGK3 expressed in Xenopus oocytes. Cell Physiol Biochem. 2004;14(4-6):203-12. [Content Brief]

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