Translational insights into statin-induced myotoxicity: Differential impact of lipophilic and hydrophilic statins on iPSC-derived skeletal muscle cells from patients with familial hypercholesterolemia
Raul Hernandes Bortolin , Felipe de Souza Leite , Andre Ducati Luchessi , Joyce Esposito , Igor Neves Barbosa , Renata Caroline Costa de Freitas , Abhijeet Rajendra Sonawane , Sasha Anna Singh , Elena Aikawa , Kayque Alves Telles-Silva , Thiago Dominguez Crespo Hirata , Antonia Pereira Rosa Neta , Ernesto Goulart , Luiz Carlos Caires-Júnior , Thais Maria da Mata Martins , Patrícia Semedo , Danielle de Paula Moreira , Michel Naslavsky , Andre Arpad Faludi , Rodrigo Marques Gonçalves , Mario Hiroyuki Hirata
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引用次数: 0
Abstract
Statins are highly effective cholesterol-lowering drugs that can reduce the risk of cardiovascular events. Statins are well tolerated but some patients experience statin-associated muscle symptoms (SAM) that can reduce adherence to therapy. We investigated molecular mechanisms statin-induced myotoxicity using induced pluripotent stem cells (iPSC)-derived skeletal muscle (SKgM) cells. iPSC-SKgM cells were obtained from patients with familial hypercholesterolemia (FH) experiencing SAM (n = 3) or not (nonSAM, n = 3). iPSC-SkgM cells were treated with atorvastatin and rosuvastatin (1 to 100 µM). Statin cytotoxicity was assessed by functional assays (cell death, mitochondrial damage, caspase 3/7 activity). iPSC-SkgM cells from SAM patients were more sensitive to atorvastatin toxicity than nonSAM cells (p < 0.05), recapitulating the phenotype of SAM patients. Rosuvastatin was less cytotoxic than atorvastatin in iPSC-SkgM (p < 0.05) from both SAM and nonSAM patients. Transcriptomic analysis revealed stronger effects on gene expression in SAM-derived iPSC-SKgM cells treated with atorvastatin (106 genes) than rosuvastatin (33 genes) compared to nonSAM cells. Enrichment analyses predicted associations of these genes with cell growth, muscle function, pro-inflammatory processes, and apoptosis. Proteomic analysis also showed more proteins differentially abundant in atorvastatin (61 proteins) than in rosuvastatin (26 proteins) treated cells. These proteins were related to cell biosynthetic process, signaling and communication, nucleic acid metabolism, and protein processing. In conclusion, atorvastatin has greater toxicity than rosuvastatin to iPSC-SKgM cells, an outcome exacerbated in FH patients who experienced SAM. Atorvastatin has stronger effects on expression of molecules involved in several signaling pathways suggesting novel molecular mechanisms of statin-induced myotoxicity.
期刊介绍:
Toxicology is an international, peer-reviewed journal that publishes only the highest quality original scientific research and critical reviews describing hypothesis-based investigations into mechanisms of toxicity associated with exposures to xenobiotic chemicals, particularly as it relates to human health. In this respect "mechanisms" is defined on both the macro (e.g. physiological, biological, kinetic, species, sex, etc.) and molecular (genomic, transcriptomic, metabolic, etc.) scale. Emphasis is placed on findings that identify novel hazards and that can be extrapolated to exposures and mechanisms that are relevant to estimating human risk. Toxicology also publishes brief communications, personal commentaries and opinion articles, as well as concise expert reviews on contemporary topics. All research and review articles published in Toxicology are subject to rigorous peer review. Authors are asked to contact the Editor-in-Chief prior to submitting review articles or commentaries for consideration for publication in Toxicology.