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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/45124
Title: Systemic Inflammatory Responses in Ulcerative Colitis Patients and Clostridium difficile Infection
Authors: Julajak Limsrivilai
Krishna Rao
Ryan W. Stidham
Shail M. Govani
Akbar K. Waljee
Andrew Reinink
Laura Johnson
Emily Briggs
Peter D.R. Higgins
VA Medical Center
Brown University
Faculty of Medicine, Siriraj Hospital, Mahidol University
University of Michigan Health System
VA Center for Clinical Management Research
Keywords: Biochemistry, Genetics and Molecular Biology;Medicine
Issue Date: 1-Jul-2018
Citation: Digestive Diseases and Sciences. Vol.63, No.7 (2018), 1801-1810
Abstract: © 2018, This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply. Background/Aims: Finding differences in systemic inflammatory response in ulcerative colitis (UC), UC with Clostridium difficile infection (CDI), and CDI could lead to a better ability to differentiate between UC with symptomatic CDI and UC with C. difficile colonization, and could identify specific inflammatory pathways for UC or CDI, which could be therapeutic targets. Methods: We prospectively collected sera from symptomatic UC patients whose stools were tested for toxigenic C. difficile, and from CDI patients who did not have UC (CDI-noUC). The UC patients with positive tests (UC-CDI) were further categorized into responders to CDI treatment (UC-CDI-R) and non-responders (UC-CDI-NR). We compared serum inflammatory mediators among groups using unadjusted and adjusted multivariable statistics. Results: We included 117 UC [27 UC-CDI, 90 UC without CDI (UC-noCDI)] and 16 CDI-noUC patients. Principal component analysis (PCA) did not reveal significant differences either between UC-CDI and UC-noCDI groups, or between UC-CDI-R and UC-CDI-NR groups. In contrast, the PCA showed significant separation between the UC and CDI-noUC groups (P = 0.002). In these two groups, hepatocyte growth factor (HGF) and chemokine (C-C motif) ligand 2 (CCL2) levels were significantly lower and IL-23 levels were higher in UC patients in multivariable analyses. The model to distinguish UC from CDI including IL-23, HGF, CCL2, age, gender, and HGB had an AuROC of 0.93. Conclusion: Inflammatory profiles could not distinguish UC-CDI from UC-noCDI, and UC-CDI-R from UC-CDI-NR. However, the UC and CDI-noUC groups were significantly different. Future work should examine whether therapeutic agents inhibiting IL-23 or stimulating HGF can treat UC.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85049346991&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/45124
ISSN: 15732568
01632116
Appears in Collections:Scopus 2018

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