{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T07:03:45Z","timestamp":1782889425702,"version":"3.54.5"},"posted":{"date-parts":[[2024,1,17]]},"group-title":"Cell Biology","reference-count":63,"publisher":"openRxiv","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2024,1,17]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:p>\n                  Metabolic dysfunction-associated steatohepatitis (MASH) can progress to cirrhosis and liver cancer. There are no approved medical therapies to prevent or reverse disease progression. Fructose and its metabolism in the liver play integral roles in MASH pathogenesis and progression. Here we focus on mannose, a simple sugar, which dampens hepatic stellate cell activation and mitigates alcoholic liver disease\n                  <jats:italic>in vitro<\/jats:italic>\n                  and\n                  <jats:italic>in vivo<\/jats:italic>\n                  . In the well-validated FAT-MASH murine model, oral mannose supplementation improved both liver steatosis and fibrosis at low and high doses, whether administered either at the onset of the model (\u201cPrevention\u201d) or at week 6 of the 12-week MASH regimen (\u201cReversal\u201d). The\n                  <jats:italic>in vivo<\/jats:italic>\n                  anti-fibrotic effects of mannose supplementation were validated in a second model of carbon tetrachloride-induced liver fibrosis.\n                  <jats:italic>In vitro<\/jats:italic>\n                  human and mouse primary hepatocytes revealed that the anti-steatotic effects of mannose are dependent on the presence of fructose, which attenuates expression of ketohexokinase (KHK), the main enzyme in fructolysis. KHK is decreased with mannose supplementation\n                  <jats:italic>in vivo<\/jats:italic>\n                  and\n                  <jats:italic>in vitro,<\/jats:italic>\n                  and overexpression of KHK abrogated the anti-steatotic effects of mannose. Our study identifies mannose as a simple, novel therapeutic candidate for MASH that mitigates metabolic dysregulation and exerts anti-fibrotic effects.\n                <\/jats:p>","DOI":"10.1101\/2024.01.17.576067","type":"posted-content","created":{"date-parts":[[2024,1,17]],"date-time":"2024-01-17T18:25:12Z","timestamp":1705515912000},"source":"Crossref","is-referenced-by-count":3,"title":["Mannose Supplementation Curbs Liver Steatosis and Fibrosis in Murine MASH by Inhibiting Fructose Metabolism"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-4700-1020","authenticated-orcid":false,"given":"John 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