Sarcopenia and MASLD: novel insights and the future
- PMID: 41193695
- DOI: 10.1038/s41574-025-01197-7
Sarcopenia and MASLD: novel insights and the future
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD; previously known as non-alcoholic fatty liver disease) is the leading cause of chronic liver disease worldwide and is closely linked to the obesity epidemic. MASLD often coexists with sarcopenia, an age-related loss of muscle mass and muscle function. These conditions are closely connected, and metabolic syndrome and its associated metabolic factors have a crucial role in their relationship. Metabolic syndrome considerably affects the risk and progression of MASLD and sarcopenia and promotes their development through various mechanisms. This Review explores the epidemiological link between MASLD and sarcopenia and the effect of metabolic syndrome and its components on both conditions, summarizing current treatment strategies and emerging evidence. To effectively manage both MASLD and sarcopenia, it is crucial to incorporate the five metabolic risk factors of metabolic syndrome into risk assessment and treatment strategies. Future research should continue to investigate the mechanisms linking metabolic syndrome, MASLD and sarcopenia. Establishing standardized definitions of sarcopenia for patients with MASLD and developing personalized treatment strategies through precision medicine will improve diagnosis, interventions and overall patient outcomes.
© 2025. Springer Nature Limited.
Conflict of interest statement
Competing interests: M.-H.Z. has received honoraria for lectures from AstraZeneca, Hisky Medical Technologies and Novo Nordisk, and consulting fees from Boehringer Ingelheim and serves as a consultant for Eieling Technology. C.S.M. reports grants through his institution from Merck, Massachusetts Life Sciences Center and Boehringer Ingelheim, has received grants through his institution and personal consulting fees from Coherus Inc. and AltrixBio, reports personal consulting fees and support with research reagents from Ansh Inc., collaborative research support from LabCorp Inc., personal consulting fees from Olympus, Genfit, Lumos, Novo Nordisk, Amgen, Biodexa, Laekna, Corcept, Intercept, 89 Bio, Madrigal, Aligos, Esperion and Regeneron, travel support and fees from UptoDate, TMIOA, Elsevier and the Cardio Metabolic Health Conference. C.D.B. has received grant support from Echosens. W.K. reports grants from Glaxosmithkline, Gilead, Novartis, Pfizer, Roche, Springbank, Ildong, Galmed, Dicerna, Enyo, Hanmi, Novo Nordisk and KOBIOLABS; consulting fees from Boehringer Ingelheim, Novo Nordisk, Standigm, Daewoong, TSD Life Sciences Ildong, Olix Pharma, HK Inoen and KOBIOLABS; honoraria for lectures from Ildong, Samil and Novo Nordisk, owns stocks in KOBIOLABS and Lepidyne, and is the founder of Remedygen. S.U.K. reported honoraria from Gilead Sciences, GSK, Bayer, Eisai, AbbVie, EchoSens, MSD, BMS and AstraZeneca and grants from AbbVie, BMS and Gilead. The other authors declare no competing interests.
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