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Acarbose (ACA), a drug used clinically to treat type 2 diabetes mellitus (T2DM), can extend mouse life span with greater effect in males than in females. Using a genetically heterogeneous mouse model, we tested the ability of ACA to ameliorate functional, pathological, and biochemical changes that occur during aging, and we determined which of the effects of age and drug were sex dependent. In both sexes, ACA prevented age-dependent loss of body mass, in addition to improving balance\/coordination on an accelerating rotarod, rotarod endurance, and grip strength test. Age-related cardiac hypertrophy was seen only in male mice, and this male-specific aging effect was attenuated by ACA. ACA-sensitive cardiac changes were associated with reduced activation of cardiac growth\u2013promoting pathways and increased abundance of peroxisomal proteins involved in lipid metabolism. ACA further ameliorated age-associated changes in cardiac lipid species, particularly lysophospholipids \u2014 changes that have previously been associated with aging, cardiac dysfunction, and cardiovascular disease in humans. In the liver, ACA had pronounced effects on lipid handling in both sexes, reducing hepatic lipidosis during aging and shifting the liver lipidome in adulthood, particularly favoring reduced triglyceride (TAG) accumulation. Our results demonstrate that ACA, already in clinical use for T2DM, has broad-ranging antiaging effects in multiple tissues, and it may have the potential to increase physical function and alter lipid biology to preserve or improve health at older ages.<\/jats:p>","DOI":"10.1172\/jci.insight.137474","type":"journal-article","created":{"date-parts":[[2020,9,29]],"date-time":"2020-09-29T13:49:47Z","timestamp":1601387387000},"source":"Crossref","is-referenced-by-count":35,"title":["Acarbose has sex-dependent and -independent effects on age-related physical function, cardiac health, and lipid biology"],"prefix":"10.1172","volume":"5","author":[{"given":"Jonathan J.","family":"Herrera","sequence":"first","affiliation":[{"name":"Department of Molecular & Integrative Physiology, University of Michigan (UM), Ann Arbor, Michigan, 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