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P0414 Serum Activin-A level as a new biomarker in active Ulcerative Colitis patients

T. Ayyildiz, Y. B. Ketenci, M. Duygulu, B. Zorlu, B. Avcı

Journal of Crohn's & Colitis, 2025

34 participants

Abstract

Ulcerative colitis is a lifelong inflammatory disease affecting the rectum and colon to varying degrees. Multiple scoring-classification methods, including endoscopic, clinical, and combined methods, have been used to assess disease severity. Various biomarkers are used for diagnosis and subtyping in ulcerative colitis, including fecal calprotectin, C-reactive protein, p-ANCA, ESR, anti-integrin αvβ6, and serum trefoil factor 3. In this study, we investigated whether there was a significant difference in serum activin-A levels, considered an indicator of intestinal inflammation, between symptomatic active ulcerative colitis patients and a control group.

The study included 34 patients and 18 controls, Patients were analyzed for serum Activin-A levels, symptomatic assessment, endoscopic evaluation, and laboratory parameters.

Serum Activin-A levels in the patient group were significantly higher than those in the control group (p=0.034). Accordingly, with a sensitivity of 55.9% and a specificity of 72.2%, the cut-off value for Activin-A was found to be 486.925 pg/mL.

Serum activin A level has been associated with active ulcerative colitis

Namwanje M, Brown CW. Activins and inhibins: roles in development, physiology, and disease. Cold Spring Harb Perspect Biol. 2016;8(7):a021881. https://www.doi.org/10.1101/cshperspect.a021881

Sonoyama K, Rutatip S, Kasai T. Gene expression of activin, activin receptors, and follistatin in intestinal epithelial cells. Am J Physiol Gastrointest…

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