The genetics of statin-induced myopathy |
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| Authors: | Abhijit Ghatak Osman Faheem Paul D. Thompson |
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| Affiliation: | aDepartment of Internal Medicine, University of Connecticut, Farmington, CT 06032, USA;bDivision of Cardiology, The Henry Low Heart Centre, Hartford Hospital, 80 Seymour Street, Hartford, CT 06102, USA |
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| Abstract: | ObjectiveOur goal was to use genetic variants to identify factors contributing to the muscular side effects of statins.BackgroundStatins (3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors) are usually well tolerated medications, but muscle symptoms, ranging from mild myalgia to clinically important rhabdomyolysis are an important side effect of these drugs and a leading cause of noncompliance. Recent results suggest that genetic factors increase the risk of statin-related muscle complaints. We performed a systematic review of the medical literature to determine genetic factors associated with statin myopathy.MethodsWe identified English language articles relating statin myopathy and genetic diseases and gene variants via a PubMed search. Articles pertinent to the topic were reviewed in detail.Results/ConclusionsOur review suggests that some patients are susceptible to statin myopathy because of pre-existing subclinical inherited muscular disorders, or genetic variation in statin uptake proteins encoded by SLCO1B1 or the cytochrome P enzyme system. Variations in genes affecting pain perception and polymorphism in vascular receptors may also contribute to statin myopathy. None of the variants identified in this review suggested novel metabolic mechanisms leading to statin myopathy. |
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| Keywords: | Abbreviations: HMG-CoA, 3-hydroxy-3-methylglutaryl coenzyme A LDL, low density lipoprotein OATP, organic anion transporter protein SNP, single nucleotide polymorphism CK, creatine kinase |
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