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Comparison of genotyping of Helicobacter pylori cagA and vacA virulence genes from gastric biopsies and stool specimens.

Helicobacter - 1 Dec 2003

Sicinschi Liviu A, Correa Pelayo, Schneider Barbara G

Abstract excerpt

BACKGROUND: We compared results of genotyping of Helicobacter pylori cagA and vacA virulence genes in DNA from gastric biopsies, both paraffin-embedded and frozen, and from stool samples, in order to evaluate the comparative sensitivity of the stool assay. METHODS: Genomic DNA from paraffin-embedded biopsies, unfixed frozen biopsies, and stool samples of the same 20 patients was amplified for the cagA gene, an...

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PMID: 14632675
DOI: 10.1111/j.1523-5378.2003.00181.x

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