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G protein-coupled receptor kinase 4 is an enzyme that in humans is encoded by the GRK4gene.[1][2]
This gene encodes a member of the guanine nucleotide-binding protein (G protein)-coupled receptor kinase subfamily of the Ser/Thr protein kinase family. The protein phosphorylates the activated forms of G protein-coupled receptors thus initiating its deactivation. This gene has been linked to both genetic and acquired hypertension.[2]
References
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Lazari MF, Liu X, Nakamura K, et al. (1999). "Role of G protein-coupled receptor kinases on the agonist-induced phosphorylation and internalization of the follitropin receptor". Mol. Endocrinol. 13 (6): 866–78. doi:10.1210/me.13.6.866. PMID10379886.
Blaukat A, Pizard A, Breit A, et al. (2001). "Determination of bradykinin B2 receptor in vivo phosphorylation sites and their role in receptor function". J. Biol. Chem. 276 (44): 40431–40. doi:10.1074/jbc.M107024200. PMID11517230.
Watanabe H, Xu J, Bengra C, et al. (2003). "Desensitization of human renal D1 dopamine receptors by G protein-coupled receptor kinase 4". Kidney Int. 62 (3): 790–8. doi:10.1046/j.1523-1755.2002.00525.x. PMID12164861.
Speirs HJ, Katyk K, Kumar NN, et al. (2004). "Association of G-protein-coupled receptor kinase 4 haplotypes, but not HSD3B1 or PTP1B polymorphisms, with essential hypertension". J. Hypertens. 22 (5): 931–6. doi:10.1097/00004872-200405000-00014. PMID15097232.
Hillier LW, Graves TA, Fulton RS, et al. (2005). "Generation and annotation of the DNA sequences of human chromosomes 2 and 4". Nature. 434 (7034): 724–31. doi:10.1038/nature03466. PMID15815621.
Rankin ML, Marinec PS, Cabrera DM, et al. (2006). "The D1 dopamine receptor is constitutively phosphorylated by G protein-coupled receptor kinase 4". Mol. Pharmacol. 69 (3): 759–69. doi:10.1124/mol.105.019901. PMID16338988.
Zhu H, Lu Y, Wang X, et al. (2006). "The G protein-coupled receptor kinase 4 gene affects blood pressure in young normotensive twins". Am. J. Hypertens. 19 (1): 61–6. doi:10.1016/j.amjhyper.2005.07.007. PMID16461192.
Zhu H, Lu Y, Wang X, et al. (2006). "The G protein-coupled receptor kinase 4 gene modulates stress-induced sodium excretion in black normotensive adolescents". Pediatr. Res. 60 (4): 440–2. doi:10.1203/01.pdr.0000238250.64591.44. PMID16940246.
Wang Y, Li B, Zhao W, et al. (2006). "Association study of G protein-coupled receptor kinase 4 gene variants with essential hypertension in northern Han Chinese". Ann. Hum. Genet. 70 (Pt 6): 778–83. doi:10.1111/j.1469-1809.2006.00278.x. PMID17044852.
Wang Z, Armando I, Asico LD, et al. (2007). "The elevated blood pressure of human GRK4gamma A142V transgenic mice is not associated with increased ROS production". Am. J. Physiol. Heart Circ. Physiol. 292 (5): H2083–92. doi:10.1152/ajpheart.00944.2006. PMID17259440.
