{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T04:33:16Z","timestamp":1789446796520,"version":"build-2803163510"},"reference-count":59,"publisher":"American Society for Clinical Investigation","issue":"10","license":[{"start":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T00:00:00Z","timestamp":1778803200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,5,15]]},"abstract":"<jats:p>Cachexia is a metabolic wasting syndrome affecting many patients with cancer, with poor survival outcomes. Disturbed lipid metabolism is a hallmark of cachexia, and our previous work has identified increased levels of circulating ceramides, which are bioactive lipids with adverse effects in metabolic diseases, as biomarkers for cachexia in mouse models and patients. Here, we investigated the role of ceramides on cachexia development using the well-established C26 colon carcinoma model. We demonstrated that elevated ceramides in cachexia arose from increased liver synthesis. We showed that ceramides directly contributed to impaired mitochondrial function and energy homeostasis in cachexia target tissues. Targeting ceramide synthesis using miRNA interference, or myriocin, an approved compound targeting the key synthesis enzyme serine palmitoyltransferase (SPT), improved markers of muscle atrophy in cachectic male mice. Importantly, we demonstrated that key enzymes involved in ceramide production were also elevated in livers, but not in other organs, of patients with cancer cachexia, correlating with disease severity. Our data place ceramides as contributors to metabolic dysfunction in cachexia and highlight the suitability of the ceramide synthesis pathway for therapeutic targeting.<\/jats:p>\n                  <jats:p\/>\n                  <jats:p>High circulating ceramides define cancer cachexia in mice and patients. Targeting ceramide synthesis counteracts mitochondrial dysfunction, impaired energy homeostasis and muscle atrophy in cachectic mice.<\/jats:p>","DOI":"10.1172\/jci194687","type":"journal-article","created":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T15:50:13Z","timestamp":1779205813000},"source":"Crossref","is-referenced-by-count":5,"title":["Inhibition of ceramide synthesis ameliorates body wasting in a cancer cachexia model"],"prefix":"10.1172","volume":"136","author":[{"given":"Pauline","family":"Morigny","sequence":"first","affiliation":[{"name":"Institute for Diabetes and Cancer (IDC), Helmholtz Munich, Neuherberg, Germany."},{"name":"Joint Heidelberg-IDC Translational Diabetes Program, University Hospital, Heidelberg, Germany."},{"name":"German Center for Diabetes Research (DZD), Munich, Germany."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Honglei","family":"Ji","sequence":"additional","affiliation":[{"name":"Institute for Diabetes and Cancer (IDC), 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