Helicobacter pylori is a spiral, microaerophillic, Gram-negative bacterium. Infection by H.
pylori has been established as the major cause of chronic gastritis and plays important role …

Gastric cancer with the annual mortality of 700 000 is the second cause of death in the
world. Iran with the annual incidence of 37 in 100 000 is among areas with high risk of …

In recent studies, there have been many arguments concerning Helicobacter pylori being
reservoir in adenotonsillar tissue. In this study, our objective was to detect whether adenoid …

OBJECTIVE: Esophageal squamous cell carcinoma is one of the most common esophageal
diseases in the developing world, but the relationship between esophageal squamous cell …

Helicobacter pylori has been recently detected in the oral cavity and oropharynx. However,
the role it plays in oral and oropharyngeal pathogenesis remains unclear. The virulence of …

Background and aims. Helicobacter pylori is a microaerophilic gram-negative spiral
organism. It is recognized as the etiologic factor for peptic ulcers, gastric adenocarcinoma …

To test the hypothesis that Helicobacter pylori may be transmitted by the oral–oral route, we
applied nested PCR and DNA sequencing to detect and analyze H. pylori DNA in the oral …

The oral cavity has been suspected as an extra‐gastroduodenal reservoir for Helicobacter
pylori infection and transmission, but conflicting evidence exists regarding the occurrence of …

Background. Helicobacter pylori is a curved microaerophilic Gram‐negative bacterium
considered as a risk factor for gastric cancer. The aim of this study was to find an association …

Helicobacter pylori plays a significant role in gastric disease. However, the presence of this
bacterium in the oral cavity remains controversial. The aim of the present study was to detect …