Off‐target effects of statins: molecular mechanisms, side effects and the emerging role of kinases

Francisco Alejandro Lagunas‐Rangel, Edgars Liepinsh, Robert Fredriksson, Ahmed M. Alsehli, Michael J. Williams, Maija Dambrova, Jörgen Jönsson, Helgi B. Schiöth

British Journal of Pharmacology8/24/2024·DOI·Read paper

Abstract

AbstractStatins are one of the most important classes of drugs. In this analytical review, we elucidate the intricate molecular mechanisms and toxicological rationale regarding both the on‐ (targeting 3‐hydroxy‐3‐methylglutaryl‐coenzyme A reductase [HMGCR]) and off‐target effects of statins. Statins interact with a number of membrane kinases, such as epidermal growth factor receptor (EGFR), erb‐b2 receptor tyrosine kinase 2 (HER2) and MET proto‐oncogene, receptor tyrosine kinase (MET), as well as cytosolic kinases, such as SRC proto‐oncogene, non‐receptor tyrosine kinase (Src) and show inhibitory activity at nanomolar concentrations. In addition, they interact with calcium ATPases and peroxisome proliferator‐activated receptor α (PPARα/NR1C1) at higher concentrations. Statins interact with mitochondrial complexes III and IV, and their inhibition of coenzyme Q10 synthesis also impairs the functioning of complexes I and II. Statins act as inhibitors of kinases, calcium ATPases and mitochondrial complexes, while activating PPARα. These off‐target effects likely contribute to the side effects observed in patients undergoing statin therapy, including musculoskeletal symptoms and hepatic effects. Interestingly, some off‐target effects of statins could also be the cause of favourable outcomes, relating to repurposing statins in conditions such as inflammatory disorders and cancer.

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