ReviewBiology2026
Exercise Regulates Mitochondrial Quality Control: Maintenance and Remodeling of Skeletal Muscle Homeostasis.
Review in Biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 authors.
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Abstract
Skeletal muscle, as the largest metabolic organ, maintains its homeostasis highly dependent on the precise regulation of mitochondrial quality control. Mitochondrial quality control (MQC) encompasses three core aspects: mitochondrial biogenesis, dynamic balance, and autophagy. All of these jointly ensure mitochondrial network functional integrity. MQC imbalance is mainly manifested as decreased mitochondrial biosynthesis capacity, disordered fusion and division dynamics, and reduced autophagy clearance efficiency. MQC imbalance can lead to atrophy of skeletal muscles, metabolic dysfunction, and decline in motor function. As a physiological stress stimulus, exercise can precisely regulate MQC through multiple targets and pathways and restore the homeostasis of skeletal muscles. Exercise activates AMPK-PGC-1α to promote mitochondrial biogenesis, regulates MFN1/2, OPA1, and DRP1 to optimize mitochondrial dynamics, and activates the PINK1/Parkin pathway and receptor-mediated autophagy pathway to enhance mitochondrial autophagy. The regulatory effects of different exercise modes on MQC vary significantly. Aerobic exercise focuses on promoting mitochondrial biogenesis and fusion, while high-intensity interval training can more efficiently activate the autophagy pathway. Resistance exercise, on the other hand, requires a longer period to manifest its regulation of dynamic proteins. This article systematically reviews the molecular regulatory mechanism of MQC and its impact on skeletal muscle imbalance and elaborates on the mechanisms by which exercise regulates the remodeling of skeletal muscle through MQC. This article also further compares the differential effects of different exercise modes on the regulation of mitochondrial quality control to maintain skeletal muscle homeostasis. Future research needs to further explore the dose and effect relationship of exercise on regulating MQC and the optimal combination of exercise modes to provide a scientific basis for formulating precise and safe exercise intervention strategies.
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