Variation in the number of EPIYA-C repeats in CagA protein from Colombian Helicobacter pylori strains and its ability middle to induce hummingbird phenotype in gastric epithelial cells.

Abstract excerpt

INTRODUCTION: Studies using Western Helicobacter pylori strains have shown that a risk factor for gastric cancer is the number of EPIYA-C motifs in the cytotoxin-associated A protein. CagA is delivered into epithelial cells, where it becomes tyrosine phosphorylated in their EPIYA repeats and induces cytoskeleton rearrangements. OBJECTIVES: The objective of this study was to evaluate H. pylori cagA positive...

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