| helicobacter pylori antigenemia in an asymptomatic population of eastern cape province, south africa: public health implications. | helicobacter pylori is a major cause of such upper gastrointestinal diseases as gastritis, peptic ulcer, and gastric cancer. the risk of infection is increased in those living in the developing world, which has been ascribed to precarious hygiene standards, crowded households, and deficient sanitation common in this part of the world. fecal samples were collected from 356 apparently healthy subjects, consisting of 168 males and 188 females aged from 3 months to > or = 60 years (mean = 31 years). ... | 2009 | 19891122 |
| prevalence of helicobacter pylori vaca, caga and icea genotypes in south african patients with upper gastrointestinal diseases. | clinical response to helicobacter pylori infection may be determined by specific virulence-associated genotypes which varies geographically. the aim of this study was to investigate the diversity of putative virulence markers of h. pylori; caga, vaca and icea in the eastern cape province of south africa. one hundred h. pylori strains obtained from dyspeptic patients were used. gastric biopsies were obtained from 254 dyspeptic patients. h. pylori was cultured and strains were studied. bacterial g ... | 2010 | 20529658 |