Concepedia

Helicobacter pylori Virulence Genes Detected by String PCR in Children from an Urban Community in Northeastern Brazil

Maria Helane Rocha Batista Gonçalves, Cícero I. S. M. Silva, Manuel B. Braga Neto, Andrea Fialho, Andre Fialho, Dulciene Maria Magalhães Queiroz, Lúcia Libanez Bessa Campelo Braga

Journal of Clinical Microbiology · 2012 · 18 citations · 18 references

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Abstract

The accuracy of a nested PCR in gastric DNA obtained by a string test for the diagnosis of Helicobacter pylori infection in asymptomatic children was 94.0%. The cagA-positive toxigenic vacAs1m1 strains were the most prevalent strains, indicating that this population is colonized early by the strains associated with gastric cancer.

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