期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 155, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2022.113833
关键词
Heart failure; Skeletal muscle; Mitochondria; Molecular mechanisms; Pharmacological targets
资金
- National Natural Science Foundation of China
- Guang?anmen Hospital of China Academy of Chinese Medical Sciences
- Capital Health Development Research Special Project
- Scientific and technological innovation project of China Academy of Chinese Medical Sciences
- [81904191]
- [82004348]
- [2018S420]
- [2020-2-4153]
- [C12021A01603]
Patients with heart failure often experience skeletal muscle diseases, including abnormalities in mitochondrial metabolism. This review focuses on the remodeling of skeletal muscle mitochondria in heart failure patients or animal models, as well as the molecular regulatory mechanisms and potential pharmacological approaches for improving skeletal muscle mitochondrial function.
Patients with heart failure (HF) usually present with skeletal muscle diseases of varying severity, ranging from early fatigue on exercise to sarcopenia, sarcopenic obesity or cachexia, and frailty, which are significant pre-dictors of HF prognosis. Abnormal mitochondrial metabolism has been identified as one of the earliest signs of skeletal muscle injury in HF and is associated with pathological alterations in muscle, manifested as muscle wasting, myocyte atrophy and apoptosis, fiber type shift, impaired contractile coupling, and muscle fat infil-tration. In this review, we update the evidence for skeletal muscle mitochondrial remodeling in HF patients or animal models, including the impairments in mitochondrial ultrastructure, oxidative metabolism, electron transport chain (ETC), phosphorylation apparatus, phosphotransfer system, and quality control. We also focus on molecular regulatory mechanisms upstream of mitochondria, including circulating factors (e.g., RAAS, TNF-alpha IL -6, IGF-1, GH, ghrelin, adiponectin, NO) and molecular signals within myocytes (e.g., PGC-1 alpha, PPARs, AMPK, SIRT1/3, ROS, and MuRF1). Besides the therapies targeting the signaling pathways mentioned above, such as AdipoRon and elamipretide, we further summarize other potential pharmacological approaches like inhibitors of sodium-glucose cotransporter 2 (SGLT2) and dipeptidyl peptidase-4 (DPP-4), as well as some natural products, which may have the beneficial effects on improving the skeletal muscle mitochondrial function of HF. Targeting myocyte mitochondrial biogenesis, oxidative metabolism, oxidative phosphorylation, and reduction of oxidative stress injury are promising future opportunities for the prevention and management of skeletal muscle myopathy in HF.
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