title: A role for GRK2 in myocardial ischemic injury: indicators of a potential future therapy and diagnostic.
abstract: Morbidity and mortality of myocardial infarction remains significant with resulting left ventricular function presenting as a major determinant of clinical outcome. Protecting the myocardium against ischemia reperfusion injury has become a major therapeutic goal and the identification of key signaling pathways has paved the way for various interventions, but until now with disappointing results. This article describes the recently discovered new role of G-protein-coupled receptor kinase-2 (GRK2), which is known to critically influence the development and progression of heart failure, in acute myocardial injury. This article focuses on potential applications of the GRK2 peptide inhibitor βARKct in ischemic myocardial injury, the use of GRK2 as a biomarker in acute myocardial infarction and discusses the challenges of translating GRK2 inhibition as a cardioprotective strategy to a possible future clinical application.
authors.affiliation: Department of Cardiovascular Surgery, Inselspital University Hospital, Berne, Switzerland.
authors.forename: Henriette
authors.initials: H
authors.lastname: Brinks
authors.forename: Amrit
authors.initials: A
authors.lastname: Das
authors.forename: Walter J
authors.initials: WJ
authors.lastname: Koch
mesh_terms: D015415:Biomarkers / Q000097:blood; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D054769:G-Protein-Coupled Receptor Kinase 2 / Q000037:antagonists & inhibitors* / Q000097:blood; D006801:Humans; D017202:Myocardial Ischemia / Q000097:blood / Q000175:diagnosis* / Q000188:drug therapy*; D015428:Myocardial Reperfusion Injury / Q000517:prevention & control
chemical_list: D015415:Biomarkers; D004791:Enzyme Inhibitors; C496567:GRK2 protein, human; D054769:G-Protein-Coupled Receptor Kinase 2