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Westermann, S.* ; Bennühr, B.C.* ; Fumo, A.R. ; Rohm, M. ; Hiller, K.*

Muscle-immune metabolic crosstalk: Shared pathways in cachexia and exercise.

Curr. Opin. Biotechnol. 98:103455 (2026)
DOI PMC
Skeletal muscle and the immune system continuously exchange metabolites and signals that are essential for homeostasis. Disruption of this communication, such as during infection, inflammation, or cancer, triggers cachexia, a severe wasting syndrome characterized by altered amino acid flux, mitochondrial dysfunction, and systemic energy imbalance. By contrast, regular exercise activates overlapping pathways but directs them toward regeneration and hypertrophy, supported by controlled cytokine release and metabolite exchange. This review outlines the metabolic reprogramming that underlies muscle-immune crosstalk in cachexia and exercise, emphasizing how identical mediators, including interleukin-6, can promote either catabolism or adaptation depending on context. Understanding these shared yet divergent pathways opens avenues for therapeutic strategies that target metabolism and immune-metabolic communication.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Review
Schlagwörter Skeletal-muscle; Protein-synthesis; Amino-acids; Il-6; Macrophages; Regeneration; Inhibition; Catabolism; Expression; Responses
ISSN (print) / ISBN 0958-1669
e-ISSN 1879-0429
Quellenangaben Band: 98, Heft: , Seiten: , Artikelnummer: 103455 Supplement: ,
Verlag Elsevier
Verlagsort Amsterdam
Begutachtungsstatus Peer reviewed
Förderungen Deutsche Forschungsgemeinschaft (DFG) , Germany
German Centers for Health Research (DZG) , Germany, Innovation Fund
Novo Nordisk Foundation, Denmark, through the European Foundation for the Study of Diabetes (EFSD)/Novo Nordisk Foundation Future Leaders Award
German Center for Diabetes Research (DZD) , Germany, Next Grant
Helmholtz Association, Germany, Initiative and Networking Fund
European Research Council (ERC) , European Union