Article
Genotypic and phenotypic stability of Helicobacter pylori markers in a nine-year follow-up study of patients with noneradicated infection.
Digestive diseases and sciences - 1 Feb 2005
Gustavsson Anders, Unemo Magnus, Blomberg Björn, Danielsson Dan
Abstract excerpt
The cagA gene, alleles of the vacA gene,random amplified polymorphic DNA (RAPD), and neutrophil activating capacity (HpNAC) were used to examine paired H. pylori isolates from 10 noneradicated individuals 9 years apart. Paired isolates from each patient were indistinguishable with regard to vacA alleles, RAPD, and HpNAC. Isolates from nine patients showed concordance for the cagA gene, which was not detected in...
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