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Article in English | AIM | ID: biblio-1259371

ABSTRACT

Background: The seroprevalence of anti-H. pylori IgA antibodies has been reported to vary among populations and in relation to strains of Helicobacter pylori bacterium. However; there has been conflicting reports on the association between IgA serological status and the histological variables of chronic gastritis. This study was therefore conducted to clarify this relationship. Method : Using an ELISA based commercial kit; anti-H. pylori IgA antibody tests were performed on 65 dyspeptic patients and 65 age- and ex-matched controls. The gastric biopsies of these patients were also examined histologically for the degrees of inflammation; activity; intestinal metaplasia and atrophy. The CagA status of the patients had been determined previously. Results: There was an anti-H. pylori IgA antibody prevalence of 67.7in dyspeptics and 56.9in non-dyspeptic individuals. No correlations were observed between serum H. pylori IgA antibody and the graded parameters of chronic gastritis in dyspeptic patients; although twice more patients with mild gastric inflammation were found among IgA positive than among IgA negative patients. However; a statistically significant relationship was established between serum IgA positivity and the CagA status of the patients (p = 0.028). Conclusion: The seroprevalence of anti-H. pylori IgA antibody is high in our environment. Serum IgA status may be associated with milder degrees of gastritis in our patients but a larger cohort of patients is needed to confirm this. There seems to be a good agreement between serum IgA and CagA statuses among dyspeptic patients


Subject(s)
Gastritis , Helicobacter pylori , Immunoglobulin A
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