correct screening for virulance genes in helicobacter pylori
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منابع مشابه
Screening for Helicobacter pylori in Idiopathic Pulmonary Fibrosis Lung Biopsies.
BACKGROUND Increasing evidence suggests a role of gastro-oesophageal reflux (GER) in idiopathic pulmonary fibrosis (IPF) pathogenesis. Recently, an association between serum Helicobacter pylori (HP) antibody positivity and more severe disease was described, but HP has not been directly analysed in lung tissue so far. OBJECTIVE To investigate the presence of HP in the lung tissue of IPF patien...
متن کاملCost-benefit analysis of Helicobacter pylori screening.
BACKGROUND Helicobacter pylori screening may markedly reduce mortality and morbidity in the decades ahead. AIMS This study explores the costs and benefits of population-based H. pylori screening in terms of health care cost taking into account all relevant H. pylori-related diseases. MATERIAL AND METHODS The computer-based decision analysis compared two strategies: (1) screen for H. pylori ...
متن کاملCost-benefit analysis of Helicobacter pylori screening
Health technology The study compared two intervention strategies for the management of Helicobacter pylori (Hp). Strategy 1 was population-based Hp screening with subsequent treatment for all positive screened individuals. Strategy 2 was no screening, with the testing and treatment of Hp only if associated clinical symptoms were documented. Screening was performed using an enzyme immunoassay to...
متن کاملSerum VEGF Levels in Helicobacter pylori Infection and Correlation with Helicobacter pylori cagA and vacA Genes
BACKGROUND Helicobacter pylori vacA and cagA genes are associated with higher virulence. Vascular Endothelial Growth Factor (VEGF) is one important marker for neo-angiogenesis. AIM The purpose of this study was to investigate the relationship between VEGF serum levels with cagA and vacA genes in H. pylori infection. METHODS A cross-sectional study was done on eighty patients that consecutiv...
متن کاملDetermination of Helicobacter pylori virulence-associated genes in duodenal ulcer and gastric biopsies
Background: Helicobacter pylori (H. pylori or Hp) has been strongly associated with the peptic ulcer diseases, chronic gastritis, ulcers, and gastric cancer. Genes associated with pathogenicity have been designated for H. pylori, and some of them appear to be related to more severe clinical consequences of the infection. The present study was conducted to determine cagA, vacA, cagE, iceA1, oipA...
متن کاملAcid-adaptive genes of Helicobacter pylori.
Helicobacter pylori is the only neutralophile that has been able to colonize the human stomach by using a variety of acid-adaptive mechanisms. One of the adaptive mechanisms is increased buffering due to expression of an acid-activated inner membrane urea channel, UreI, and a neutral pH-optimum intrabacterial urease. To delineate other possible adaptive mechanisms, changes in gene expression in...
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عنوان ژورنال:
گوارشجلد ۱۷، شماره ۳، صفحات ۱۷۵-۰
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