High Frequency of Gastric Colonization with Multiple Helicobacter pylori Strains in Venezuelan Subjects

C Ghose, GI Perez-Perez, LJ Van Doorn… - Journal of clinical …, 2005 - Am Soc Microbiol
Multiple Helicobacter pylori strains may colonize an individual host. Using enzyme-linked
immunosorbent assay and line probe assay (LiPA) techniques, we analyzed the prevalence …

[HTML][HTML] Relationship between Helicobacter pylori virulence genes and clinical outcomes in Saudi patients

MAM Marie - Journal of Korean Medical Science, 2012 - ncbi.nlm.nih.gov
Helicobacter pylori has been strongly associated with gastritis, gastric and duodenal ulcers,
and it is a risk factor for gastric cancer. Two major virulence factors of H. pylori have been …

Helicobacter pylori: Bacterial Factors and the Role of Cytokines in the Immune Response

TB Romero-Adrián, J Leal-Montiel… - Current …, 2010 - Springer
Helicobacter pylori is a gram-negative micro-aerophilic bacterium that is widely distributed
geographically and causes chronic gastritis, peptic ulcers, gastric adenocarcinoma, and …

Prevalence and distribution of Helicobacter pylori cagA and vacA genotypes in the Moroccan population with gastric disease

SA Boukhris, D Benajah, K El Rhazi… - European journal of …, 2012 - Springer
Helicobacter pylori infection is the etiologic agent of various gastric pathologies. The severity
of disease outcome has been attributed to some H. pylori genotypes, which varies …

Association between cagA, vacAi, and dupA genes of Helicobacter pylori and gastroduodenal pathologies in Chilean patients

E Paredes-Osses, K Sáez, E Sanhueza, S Hebel… - Folia microbiologica, 2017 - Springer
In addition to the already known cagA gene, novel genetic markers have been associated
with Helicobacter pylori (H. pylori) virulence: the dupA and vacAi genes. These genes might …

[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 …

Prevalence of Helicobacter pylori vacA and cagA Genotypes in Ethiopian Dyspeptic Patients

D Asrat, I Nilsson, Y Mengistu, E Kassa… - Journal of Clinical …, 2004 - Am Soc Microbiol
ABSTRACT A total of 300 gastric biopsy samples and 50 Helicobacter pylori isolates were
collected from Ethiopian adult dyspeptic patients. The vacA and cagA genes were detected …

Diversity of Helicobacter pylori cagA and vacA Genes in Costa Rica: Its Relationship with Atrophic Gastritis and Gastric Cancer

SA Con, H Takeuchi, AL Valerín, R Con‐Wong… - …, 2007 - Wiley Online Library
Abstract Background: Associations between Helicobacter pylori gene diversity and gastric
cancer have not been reported on in Costa Rica, despite its being one of the countries with …

Detection of Helicobacter pylori in oropharyngeal lymphatic tissue with real-time PCR and assessment of its carcinogenic potential

P Lukeš, E Pavlík, B Potuznikova, E Nartova… - European Archives of …, 2014 - Springer
Helicobacter pylori (HP) is considered a major gastric pathogen with oncogenic potential.
The aim of this study was to determine whether HP is present in oropharyngeal lymphoid …

Clinical Relevance of the vacA, iceA, cagA, and flaA Genes of Helicobacter pylori Strains Isolated in Eastern Taiwan

CC Wu, PY Chou, CT Hu, ZC Liu, CY Lin… - Journal of clinical …, 2005 - Am Soc Microbiol
The genotypes of Helicobacter pylori flaA, cagA, vacA, and iceA were determined for DNA
isolated from patients with chronic gastritis or peptic ulcer in eastern Taiwan. The vacA gene …