Beta-Adrenergic Receptor Kinase 1

Source:http://linkedlifedata.com/resource/umls/id/C0753114

MSH: A ubiquitously expressed G-protein-coupled receptor kinase subtype that has specificity for the agonist-occupied form of BETA-ADRENERGIC RECEPTORS. It may play an essential role in regulating myocardial contractile response.,NCI: Beta-adrenergic receptor kinase 1 (ADRBK1), encoded by the ADRBK1 gene, phosphorylates the beta-2-adrenergic receptor and mediates agonist-specific desensitization observed at high agonist concentrations. ADRBK1, an ubiquitous cytosolic enzyme, translocates from the cytosol to the plasma membrane upon agonist stimulation and specifically phosphorylates the activated form of the beta-adrenergic and related G-protein-coupled receptors. Heart failure is accompanied by severely impaired beta-adrenergic receptor (beta-AR) function. An important mechanism for the rapid desensitization of beta-AR function is agonist-stimulated receptor phosphorylation by ADRBK1, an enzyme known to be elevated in failing human heart tissue. Abnormal coupling of beta-adrenergic receptor to G protein is i

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