High Prevalence of Clarithromycin Resistance and cagA , vacA , iceA2 , and babA2 Genotypes of Helicobacter pylori in Brazilian Children
نویسندگان
چکیده
منابع مشابه
High prevalence of clarithromycin resistance and cagA, vacA, iceA2, and babA2 genotypes of Helicobacter pylori in Brazilian children.
We isolated 45 Helicobacter pylori strains from 217 child patients. Resistance to clarithromycin, metronidazole, amoxicillin, and tetracycline was detected in 27%, 13%, 4%, and 0% of strains, respectively. The A2143G mutation was the most prevalent (67%) among clarithromycin-resistant strains. In addition, strain genotyping revealed a significant association between gastritis severity and the s...
متن کاملPrevalence of Helicobacter pylori vacA, cagA, cagE, iceA, babA2, and oipA genotypes in patients with upper gastrointestinal diseases
BACKGROUND AND OBJECTIVES Helicobacter pylori has been strongly associated with peptic ulcer diseases, chronic gastritis, ulcers, and reported as a risk factor for gastric cancer, too. The vaculating cytotoxin (vacA), the cytotoxin associated genes (cagA), the induced by contact with epithelium factor antigen (iceA gene), blood adhesion binding antigen (babA2), and outer membrane protein oipA h...
متن کاملPrevalence of Helicobacter pylori vacA Genotypes and cagA Gene in Dental Plaque of Asymptomatic Mexican Children
The variability in Helicobacter pylori vacA and cagA genes has been related to the progression of the gastrointestinal disease; also the presence of H. pylori in the oral cavity has been associated with periodontal disease in adults, but, in children without dyspeptic symptoms, little is known about this. We evaluated the prevalence of H. pylori and the presence of vacA/cagA genotypes in the or...
متن کاملVacA and cagA genotypes of Helicobacter pylori isolated from raw meat in Isfahan province, Iran
Foods with animal origins play a substantial role in the transmission of Helicobacter pylori. The present investigation was carried out to study the vacA and cagA genotypes status of H. pylori isolated from various types of meat samples. Two hundred and twenty meat samples were collected and cultured. H. pylori-positive strains were analyzed for the ...
متن کاملPrevalence of Helicobacter pylori cagA, vacA, iceA, babA2 genotypes in Polish children and adolescents with gastroduodenal disease* Częstość występowania genów wirulecji cagA, vacA, iceA, babA2 wśród szczepów H. pylori izolowanych od dzieci i młodzieży z chorobami przewodu pokarmowego
Infection with Helicobacter pylori is a major cause of chronic gastritis and peptic ulcer disease in children and its consequences in adulthood can lead to serious complications, including in particular the development of gastric cancer. Our aim was to analyze the relationship between the occurrence of selected genes such as cagA, vacA, iceA, and babA2 determining pathogenicity of H. pylori str...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Clinical Microbiology
سال: 2010
ISSN: 0095-1137,1098-660X
DOI: 10.1128/jcm.01034-10