Abstract
Background
Syndecan-1 plays a central role in maintaining normal intestinal barrier function. Shedding of syndecan-1, reflected by soluble syndecan-1 serum concentrations, is highly regulated by inflammation.
Aim
To determine soluble syndecan-1 levels in inflammatory bowel disease patients and its relationship with other inflammatory markers, disease activity, and medical treatment.
Methods
Cross-sectional, pilot study in which serum concentrations of soluble syndecan-1 were analyzed by ELISA in a cohort of 41 inflammatory bowel disease patients (22 Crohn’s disease, 19 ulcerative colitis) and 16 healthy controls. Disease activity was estimated by the Crohn’s disease activity index, partial Mayo score, and C-reactive protein.
Results
Soluble syndecan-1 levels were significantly higher in inflammatory bowel disease patients compared to healthy controls (29.5 ± 13.4 vs. 21.1 ± 10.4 ng/ml, respectively, P = 0.03). Soluble syndecan-1 displayed a reliable ability to discriminate inflammatory bowel disease patients from healthy controls with a sensitivity of 95 %, specificity of 50 %, and positive predictive value of 83 %. Patients treated with anti-inflammatory medications demonstrated significantly lower soluble syndecan-1 levels compared to untreated patients (26.45 ± 9.75 vs. 38 ± 18.43 ng/ml, respectively, P = 0.008).
Conclusions
Our results suggest that soluble syndecan-1 is potentially a novel diagnostic marker in the management of inflammatory bowel disease patients. Its applicability as a surrogate, prognostic biomarker remains to be determined.
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Acknowledgments
We thank Ms. Pearl (Pnina) Lilos for her excellent assistance with the statistical analyses. FK was supported in part by The Josefina Maus and Gabriela Cesarman Chair for Research in Liver Diseases, Sackler Faculty of Medicine, Tel Aviv University. We gratefully acknowledge Dr. Talia Saker for reviewing the manuscript and providing helpful comments.
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Doron Yablecovitch and Assaf Stein have contributed equally to this study.
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Yablecovitch, D., Stein, A., Shabat-Simon, M. et al. Soluble Syndecan-1 Levels Are Elevated in Patients with Inflammatory Bowel Disease. Dig Dis Sci 60, 2419–2426 (2015). https://doi.org/10.1007/s10620-015-3589-9
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DOI: https://doi.org/10.1007/s10620-015-3589-9