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Yersinia species in collagenous colitis: a serologic study
J Bohr1, R Nordfelth, G Järnerot
1Dept of Medicine, Orebro University Hospital, Sweden. johan.bohr@orebroll.se
Scandinavian Journal of Gastroenterology
|July 20, 2002
Summary
Collagenous colitis patients show higher Yersinia antibodies than healthy individuals. This suggests Yersinia infection may trigger collagenous colitis development in some cases.
Area of Science:
- Gastroenterology
- Immunology
- Microbiology
Background:
- The cause of collagenous colitis remains unknown.
- Infectious agents are a potential etiological factor.
- Previous studies suggest a link between Yersinia enterocolitica infection and collagenous colitis.
Purpose of the Study:
- To investigate the prevalence of Yersinia antibodies in patients with collagenous colitis.
- To explore the potential role of Yersinia infection in the pathogenesis of collagenous colitis.
Main Methods:
- Serum samples from 32 collagenous colitis patients and 17 healthy controls were analyzed.
- Antibody levels against Yersinia virulence proteins were measured.
Main Results:
- Collagenous colitis patients exhibited a higher frequency of Yersinia antibodies compared to controls.
- 9 out of 32 patients had positive antibody scores, and 4 had intermediate scores.
- 1 out of 17 controls had a positive score, and 2 had intermediate scores, indicating a trend (P=0.078).
Conclusions:
- Yersinia antibodies are more prevalent in individuals with collagenous colitis.
- Yersinia infection may act as a trigger for collagenous colitis in susceptible individuals.