Studies on the Interleukin-10 Gene in Animal Models of Colitis

Cytokines play a role in the inflammatory process in colitis and may have therapeutic potential. Interleukin-10 (IL-10) has both immunomodulatory and anti-inflammatory properties. IL-10-deficient mice develop intestinal inflammation with increased tissue levels of other cytokines, including tumour n...

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Main Author: Hugh J Freeman
Format: Article
Language:English
Published: Wiley 2001-01-01
Series:Canadian Journal of Gastroenterology
Online Access:http://dx.doi.org/10.1155/2001/303729
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author Hugh J Freeman
author_facet Hugh J Freeman
author_sort Hugh J Freeman
collection DOAJ
description Cytokines play a role in the inflammatory process in colitis and may have therapeutic potential. Interleukin-10 (IL-10) has both immunomodulatory and anti-inflammatory properties. IL-10-deficient mice develop intestinal inflammation with increased tissue levels of other cytokines, including tumour necrosis factor-alpha. In patients with inflammatory bowel disease, impaired IL-10 production by lamina propria T cells occurs and human recombinant IL-10 improves clinical parameters in inflammatory bowel disease (eg, Crohn's disease). There seem to be conflicting results in differing animal models, and the timing of administration of IL-10 relative to onset of colitis may be critical, possibly due to rapid clearance of IL-10. Interestingly, in IL-10 gene-deficient mice raised in germ-free conditions, the intestinal inflammatory changes normally observed in conventional nongerm-free conditions are not detected, suggesting a role for luminal bacteria in the pathogenesis of the inflammatory process.
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spelling doaj-art-5c6bc5ea15dd4795809ca1b4c367cf992025-02-03T06:08:23ZengWileyCanadian Journal of Gastroenterology0835-79002001-01-0115855755810.1155/2001/303729Studies on the Interleukin-10 Gene in Animal Models of ColitisHugh J Freeman0Department of Medicine (Gastroenterology), ACU F-137, University of British Columbia Hospital, 2211 Wesbrook Mall, Vancouver, British Columbia, CanadaCytokines play a role in the inflammatory process in colitis and may have therapeutic potential. Interleukin-10 (IL-10) has both immunomodulatory and anti-inflammatory properties. IL-10-deficient mice develop intestinal inflammation with increased tissue levels of other cytokines, including tumour necrosis factor-alpha. In patients with inflammatory bowel disease, impaired IL-10 production by lamina propria T cells occurs and human recombinant IL-10 improves clinical parameters in inflammatory bowel disease (eg, Crohn's disease). There seem to be conflicting results in differing animal models, and the timing of administration of IL-10 relative to onset of colitis may be critical, possibly due to rapid clearance of IL-10. Interestingly, in IL-10 gene-deficient mice raised in germ-free conditions, the intestinal inflammatory changes normally observed in conventional nongerm-free conditions are not detected, suggesting a role for luminal bacteria in the pathogenesis of the inflammatory process.http://dx.doi.org/10.1155/2001/303729
spellingShingle Hugh J Freeman
Studies on the Interleukin-10 Gene in Animal Models of Colitis
Canadian Journal of Gastroenterology
title Studies on the Interleukin-10 Gene in Animal Models of Colitis
title_full Studies on the Interleukin-10 Gene in Animal Models of Colitis
title_fullStr Studies on the Interleukin-10 Gene in Animal Models of Colitis
title_full_unstemmed Studies on the Interleukin-10 Gene in Animal Models of Colitis
title_short Studies on the Interleukin-10 Gene in Animal Models of Colitis
title_sort studies on the interleukin 10 gene in animal models of colitis
url http://dx.doi.org/10.1155/2001/303729
work_keys_str_mv AT hughjfreeman studiesontheinterleukin10geneinanimalmodelsofcolitis