{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:48:56Z","timestamp":1792788536332,"version":"4.5.0"},"reference-count":49,"publisher":"Public Library of Science (PLoS)","issue":"3","license":[{"start":{"date-parts":[[2022,3,1]],"date-time":"2022-03-01T00:00:00Z","timestamp":1646092800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"NIH","award":["R01DK044234"],"award-info":[{"award-number":["R01DK044234"]}]},{"name":"NIH","award":["P30DK026743"],"award-info":[{"award-number":["P30DK026743"]}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>\n                    Fibroblast growth factor 23 (FGF23) is a bone marrow cell produced hormone that functions in the intestine and kidney to regulate phosphate homeostasis. Increased serum FGF23 is a well-established predictor of mortality in renal disease, but recent findings linking increased levels to hepatic and cardiac diseases have suggested that other organs are sources of FGF23 or targets of its effects. The potential ability of the liver to produce FGF23 in response to hepatocellular injury was therefore examined. Very low levels of\n                    <jats:italic>Fgf23<\/jats:italic>\n                    mRNA and FGF23 protein were detected in normal mouse liver, but the amounts increased markedly during acute liver injury from the hepatotoxin carbon tetrachloride. Serum levels of intact FGF23 were elevated during liver injury from carbon tetrachloride. Chronic liver injury induced by a high fat diet or elevated bile acids also increased hepatic FGF23 levels. Stimulation of toll-like receptor (TLR) 4-driven inflammation by gut-derived lipopolysaccharide (LPS) underlies many forms of liver injury, and LPS induced\n                    <jats:italic>Fgf23<\/jats:italic>\n                    in the liver as well as in other organs. The LPS-inducible cytokines IL-1\u03b2 and TNF increased hepatic\n                    <jats:italic>Fgf23<\/jats:italic>\n                    expression as did a TLR2 agonist Pam2CSK3. Analysis of\n                    <jats:italic>Fgf23<\/jats:italic>\n                    expression and FGF23 secretion in different hepatic cell types involved in liver injury identified the resident liver macrophage or Kupffer cell as a source of hepatic FGF23. LPS and cytokines selectively induced the hormone in these cells but not in hepatocytes or hepatic stellate cells. FGF23 failed to exert any autocrine effect on the inflammatory state of Kupffer cells but did trigger proinflammatory activation of hepatocytes. During liver injury inflammatory factors induce Kupffer cell production of FGF23 that may have a paracrine proinflammatory effect on hepatocytes. Liver-produced FGF23 may have systemic hormonal effects as well that influence diseases in in other organs.\n                  <\/jats:p>","DOI":"10.1371\/journal.pone.0264743","type":"journal-article","created":{"date-parts":[[2022,3,1]],"date-time":"2022-03-01T13:29:44Z","timestamp":1646141384000},"page":"e0264743","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":23,"title":["Mouse liver injury induces hepatic macrophage FGF23 production"],"prefix":"10.1371","volume":"17","author":[{"given":"Pradeep","family":"Kumar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunshan","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Shen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2509-8484","authenticated-orcid":true,"given":"Jacquelyn J.","family":"Maher","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesca","family":"Cingolani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2306-7219","authenticated-orcid":true,"given":"Mark J.","family":"Czaja","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2022,3,1]]},"reference":[{"key":"pone.0264743.ref001","doi-asserted-by":"crossref","first-page":"E1146","DOI":"10.1073\/pnas.1110905108","article-title":"Iron deficiency drives an autosomal dominant hypophosphatemic rickets (ADHR) phenotype in fibroblast growth factor-23 (Fgf23) knock-in mice","volume":"108","author":"EG Farrow","year":"2011","journal-title":"Proc Natl Acad Sci U S A"},{"key":"pone.0264743.ref002","doi-asserted-by":"crossref","first-page":"3541","DOI":"10.1210\/jc.2011-1239","article-title":"Iron modifies plasma FGF23 differently in autosomal dominant hypophosphatemic rickets and healthy humans","volume":"96","author":"EA Imel","year":"2011","journal-title":"J Clin Endocrinol 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