Seroprevalence of anti-Helicobacter pylori and anti - CagA antibodiesin peptic ulcer and healthy subjects in the eity of Rafsanjan
Author(s):
Abstract:
Background
Helicobacter pylori (H. pylori) infection is thought to play an etiologic role in several gastroduodenal diseases including gastric ulcer, duodenal ulcer, gastric MALT lymphoma, and distal gastric cancer. Several studies have suggested that H. pylori which express cytotoxin-associated gene A (CagA) may be more virulent than those that do not, but limited populations have been studied to date. The aims of the present study were to evaluate the seroprevalence of anti-H. pylori IgG, IgA and anti-CagA antibodies in peptic ulcer (PU) patients and healthy individuals in the city of Rafsanjan.Methods
A total of 60 PU patients (30 males and 30 females, aged 17 to 60 years) and 138 age-matched healthy individuals (65 males, 73 females) were enrolled in this study. Diagnosis of PU disease was established on the basis of findings by gastrointestinal endoscopy. The control group was recruited from among healthy blood donors referred to Blood Transfusion Center of Rafsanjan. A blood sample was collected from each participant and the sera were tested for the presence of anti- H. pylori IgG and IgA antibodies and antibody to bacterial virulence factor (CagA) by use of enzyme-linked immunosorbent assay. The serum concentrations of anti-H. pylori IgA and anti-CagA antibody were expressed as mean ± SD in each group.Results
In PU patients the overall seroprevalence of anti-H. pylori IgG (95.8%), IgA (96.6%) and anti-CagA (91.6%) were higher than those observed in the control group (73.2%, PLanguage:
English
Published:
Journal of Research in Medical Sciences, Volume:11 Issue: 5, Sep & Oct 2006
Pages:
285 to 291
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