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Immune events associated with inflammatory bowel disease
1Dept. of Gastroenterology, Cleveland Clinic Foundation, Ohio 44195.
Scandinavian Journal of Gastroenterology. Supplement
|January 1, 1990
Summary
Immunologic abnormalities are linked to inflammatory bowel disease (IBD). Research suggests the intestinal immune system, not systemic immunity, holds key insights into IBD
Area of Science:
- Immunology
- Gastroenterology
Background:
- Inflammatory bowel disease (IBD) etiology is complex, with immunologic abnormalities suggested.
- Both systemic and local intestinal immunity have been investigated for IBD links.
Observation:
- T and B lymphocyte characteristics vary in IBD, but causality is unproven.
- Anticolon antibodies in ulcerative colitis suggest a role, but are not specific.
- Peripheral blood cell-mediated immunity defects are inconsistent in IBD.
Findings:
- In vivo and in vitro studies show mucosal mononuclear cell abnormalities in IBD.
- These include altered immunoglobulin production and cytotoxicity against gut antigens.
- Abnormal lymphokine production is also associated with IBD.
Implications:
- The intestinal immune system is a promising area for IBD research.
- Immune-mediated intestinal tissue damage is a leading hypothesis for IBD pathogenesis.
- Further investigation into the gut's immune response is crucial for understanding and treating IBD.