Serum Galectin-3 as a Non-Invasive Marker for Primary Sclerosing Cholangitis

Bajraktari, Ganimete and Elger, Tanja and Huss, Muriel and Loibl, Johanna and Albert, Andreas and Kandulski, Arne and Mueller, Martina and Tews, Hauke Christian and Buechler, Christa (2024) Serum Galectin-3 as a Non-Invasive Marker for Primary Sclerosing Cholangitis. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 25 (9): 4765. ISSN 1661-6596, 1422-0067

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Abstract

Primary sclerosing cholangitis (PSC) is a serious liver disease associated with inflammatory bowel disease (IBD). Galectin-3, an inflammatory and fibrotic molecule, has elevated circulating levels in patients with chronic liver disease and inflammatory bowel disease (IBD). This study aims to clarify whether galectin-3 can differentiate between patients with IBD, PSC, and PSC-IBD. Our study measured serum galectin-3 levels in 38 healthy controls, 55 patients with IBD, and 22 patients with PSC (11 patients had underlying IBD and 11 patients did not), alongside the urinary galectin-3 of these patients and 18 controls. Serum and urinary galectin-3 levels in IBD patients were comparable to those in controls. Among IBD patients, those with high fecal calprotectin, indicating severe disease, exhibited lower serum and elevated urinary galectin-3 levels compared to those with low calprotectin levels. Serum galectin-3 levels were inversely correlated with C-reactive protein levels. PSC patients displayed higher serum and urinary galectin-3 levels than IBD patients, with the highest serum levels observed in PSC patients with coexisting IBD. There was no correlation between serum and urinary galectin-3 levels and laboratory indicators of liver injury in both IBD and PSC patients. In conclusion, this study demonstrates that serum and urinary galectin-3 levels can distinguish IBD from PSC patients, and also reveals higher serum galectin-3 levels in PSC-IBD patients compared to those with isolated PSC.

Item Type: Article
Uncontrolled Keywords: LIVER; EXPRESSION; FIBROSIS; INFLAMMATION; INSIGHTS; DISEASE; UPDATE; URINE; galectin-3; aminotransferase; calprotectin; urine; primary sclerosing cholangitis; inflammatory bowel disease
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Innere Medizin I
Depositing User: Dr. Gernot Deinzer
Date Deposited: 28 Jul 2025 08:43
Last Modified: 28 Jul 2025 08:43
URI: https://pred.uni-regensburg.de/id/eprint/63828

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