DNM1L and sarcopenia: We used combinations of keywords such as “skeletal muscle,” “mitochondria,” “mitochondrial quality control,” “autophagy,” “mitophagy,” “mitochondrial dynamics,” “fusion,” “fission,” “DRP1,” “OPA1,” “MERC,” “MAM,” “sarcopenia,” and “aging.” Boolean operators (AND, OR) were applied to refine the search.