نتایج جستجو برای: antigenic regioncloningepitopeshelicobacter pylorivaca cytotoxin
تعداد نتایج: 22644 فیلتر نتایج به سال:
Chaetoglobins A (1) and B (2), two azaphilone alkaloid dimers with an unprecedented skeleton, were characterized from an endophytic fungus Chaetomium globosum with the former ascertained to be a significant cytotoxin valuable for anti-tumor drug discovery.
background: helicobacter pylori (h. pylori) cytotoxin and its heterogeneity amongst strains has been closely linked to the varying infection-associated clinical outcomes. in order to determine the decisive role of the vacuolating cytotoxin (vaca) gene mosaicism in its corresponding gene expression and phenotype, we aimed to characterize vaca alleles of different h. pylori strains in addition to...
The prevalence of clarithromycin resistance-associated mutations, the cytotoxin-associated gene (cagA), and the various vacuolating cytotoxin (vacA) genotypes was determined in 50 gastric biopsy specimens from Helicobacter pylori-infected patients, using line probe assays. The clarithromycin resistance-associated mutation A2143G was detected in H. pylori strains from 26% of the specimens, which...
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