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Pakistan Journal of Biological Sciences
  Year: 2007 | Volume: 10 | Issue: 8 | Page No.: 1185-1189
DOI: 10.3923/pjbs.2007.1185.1189
Association of H. pylori Virulence Genes CagA, VacA and Ure AB with Ulcer and Nonulcer Diseases in Iranian Population
Shohreh Farshad, Abdolvahab Alborzi and Amin Abbasian

Abstract:
To evaluate the association of virulence genes CagA, VacA and UreAB of H. pylori with the development of different gastric disorders, polymerase chain reaction was performed on H. pylori organisms isolated from biopsy samples of stomach of patients with ulcerative disease and nonulcerative disease. The difference between the groups was statistically significant (p<0.05) only for VacA gene. We detected 8 phenotypes, characterized as CagA+-VacA+-UreAB+ (phe 1), CagA¯-VacA¯-UreAB¯ (phe 2), CagA+-VacA+- UreAB¯ (phe 3), CagA+-VacA¯-UreAB+ (phe 4), CagA¯-VacA+-UreAB+ (phe 5), CagA+-VacA---UreAB¯ (phe 6), CagA¯-VacA+-UreAB¯ (phe 7), CagAVacA¯-UreAB+ (phe 8). The prevalence of phenotype 1 was significantly higher in the patients with UD than that in the patients with NUD (p<0.05). These results suggest that in the population under our study, being infected by a H. pylori strain with the genotype CagA+-VacA+-UreAB+ may be associated with an increased risk of acquiring an ulcer disease.
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How to cite this article:

Shohreh Farshad, Abdolvahab Alborzi and Amin Abbasian, 2007. Association of H. pylori Virulence Genes CagA, VacA and Ure AB with Ulcer and Nonulcer Diseases in Iranian Population. Pakistan Journal of Biological Sciences, 10: 1185-1189.

DOI: 10.3923/pjbs.2007.1185.1189

URL: http://scialert.net/abstract/?doi=pjbs.2007.1185.1189

 
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