Comparative analysis of genotypes of Helicobacter pylori strains in the Rostov and Astrakhan regions
https://doi.org/10.21886/2219-8075-2018-9-4-81-86
Abstract
Objective: to study the infection of the adult and children’s population of the Rostov and Astrakhan regions by the bacteria Helicobacter pylori, to determine the frequency of H. pylori pathogenicity factors in different age groups of the population.
Materials and methods: 118 adults and 112 children were examined. Te presence of H. pylori DNA and the pathogenicity factors of CagA and VacA in the biopsy material of the mucous membrane of the antrum of the stomach was determined by PCR.
Results: a signifcantly smaller percentage of H. pylori–positive patients is characteristic of the child population. Te prevalent H. pylori genotype in the infant population is the avirulent genotype Vac s2m2 (60%) (χ2: p <0.005). Genotype CagA + VacAs1 VacAm1 is a marker of peptic ulcer for adult population of the Rostov region.
Conclusion: Te conducted studies allowed to establish differences in infection of the population with H. pylori bacteria and the frequency of the distribution of virulent genotypes depending on the region, age and severity of the pathology.
About the Authors
V. M. Sorokin
Rostov-on-Don Institute for Plague Control, Rostov-on-Do
Russian Federation
Vladimir M. Sorokin, PhD, Senior Researcher
Russian Federation
Vladimir M. Sorokin, PhD, Senior Researcher
R. V. Pisanov
Rostov-on-Don Institute for Plague Control, Rostov-on-Do
Russian Federation
Ruslan V. Pisanov, PhD, Head of the Laboratory
Russian Federation
Ruslan V. Pisanov, PhD, Head of the Laboratory
A. S Vodop’janov
Rostov-on-Don Institute for Plague Control, Rostov-on-Do
Russian Federation
Alexey S. Vodopyanov, PhD, Senior Researcher
Russian Federation
Alexey S. Vodopyanov, PhD, Senior Researcher
E. V. Golubkina
Astrakhan State Medical University, Astrakhan
Russian Federation
Elena V. Golubkina, MD, Assistant
Russian Federation
Elena V. Golubkina, MD, Assistant
E. A. Bereznjak
Rostov-on-Don Institute for Plague Control, Rostov-on-Do
Elena A. Bereznyak, Ph.D., Senior Researcher
Elena A. Bereznyak, Ph.D., Senior Researcher
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Review
For citations:
Sorokin V.M., Pisanov R.V., Vodop’janov A.S., Golubkina E.V., Bereznjak E.A. Comparative analysis of genotypes of Helicobacter pylori strains in the Rostov and Astrakhan regions. Medical Herald of the South of Russia. 2018;9(4):81-86. (In Russ.) https://doi.org/10.21886/2219-8075-2018-9-4-81-86
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