Comparison of Genotyping of Helicobacter pylori cagA and vacA Virulence Genes from Gastric Biopsies and Stool Specimens

LA Sicinschi, P Correa, BG Schneider - Helicobacter, 2003 - Wiley Online Library
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 …

[HTML][HTML] Effect of treatment failure on the CagA EPIYA motif in Helicobacter pylori strains from Colombian subjects

JA Bustamante-Rengifo, AJ Matta… - World Journal of …, 2017 - ncbi.nlm.nih.gov
AIM To evaluate effect of treatment failure on cagA and vacA genotypes in Helicobacter
pylori (H. pylori) isolates from Colombia. METHODS One hundred and seventy-six …

Characterization of helicobacter pylori genotypes from Iranian patients with gastric clinical diseases: predominance of vacA s1a and cagA EPIYA-ABC genotypes

H Abdollahi, M Hashemzadeh, S Khoshnood, M Savari - Gene Reports, 2019 - Elsevier
Objectives Helicobacter pylori is a causative agent of peptic ulcers and associated with
gastric cancer. The major virulence factors of this organism are vacA and cagA genes. The …

[HTML][HTML] Pathogenicity island cag, vacA and IS605 genotypes in Mexican strains of Helicobacter pylori associated with peptic ulcers

F Antonio-Rincón, Y López-Vidal… - Annals of Clinical …, 2011 - Springer
Background Helicobacter pylori is associated with chronic gastritis, peptic ulcers, and gastric
cancer. Two major virulence factors of H. pylori have been described: the pathogenicity …

[HTML][HTML] vacA s1m1 genotype and cagA EPIYA-ABC pattern are predominant among Helicobacter pylori strains isolated from Mexican patients with chronic gastritis

J Atrisco-Morales… - Journal of Medical …, 2018 - microbiologyresearch.org
Purpose. Virulent genotypes of Helicobacter pylori vacA s1m1/cagA+/babA2+ have been
associated with severe gastric diseases. VacA, CagA and BabA are polymorphic proteins …

[HTML][HTML] Frequency of vacA, cagA and babA2 virulence markers in Helicobacter pylori strains isolated from Mexican patients with chronic gastritis

GL Paniagua, E Monroy, R Rodríguez, S Arroniz… - Annals of clinical …, 2009 - Springer
Background Helicobacter pylori has been strongly associated with chronic gastritis, peptic
and duodenal ulcers, and it is a risk factor for gastric cancer. Three major virulence factors of …

[HTML][HTML] Molecular characterization and susceptibility testing of Helicobacter pylori strains isolated in western Argentina

AE Vega, TI Cortiñas, ON Puig, HJ Silva - International Journal of Infectious …, 2010 - Elsevier
OBJECTIVE: To characterize Helicobacter pylori isolates from western Argentina using
virulence markers and antimicrobial susceptibility patterns in order to assess the association …

Helicobacter pylori genotypes may determine gastric histopathology

C Nogueira, C Figueiredo, F Carneiro… - The American journal of …, 2001 - Elsevier
The outcome of Helicobacter pylori infection has been associated with specific virulence-
associated bacterial genotypes. The present study aimed to investigate the gastric …

[HTML][HTML] Correlation between virulence markers of Helicobacter pylori in the oral cavity and gastric biopsies

ML Medina, MG Medina, LA Merino - Arquivos de Gastroenterologia, 2017 - SciELO Brasil
ABSTRACT BACKGROUND: The clinical outcome of Helicobacter pylori infection has been
associated with virulence factors. The presence of these factors is useful as molecular …

Direct Determination ofHelicobacter Pylori VacaGenotypes andCagaGene in Gastric Biopsies and Relationship To Gastrointestinal Diseases

J Rudi, A Rudy, M Maiwald, D Kuck… - Official journal of the …, 1999 - journals.lww.com
OBJECTIVE: Our aim was to detect Helicobacter pylori (H. pylori) from gastric biopsies of
248 patients using a novel, polymerase chain reaction (PCR)-based methodology, which …