<Emphasis Type="Italic">Helicobacter pylori</Emphasis> outer membrane vesicles involvement in the infection development and <Emphasis Type="Italic">Helicobacter pylori</Emphasis>-related diseases |
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Authors: | Magdalena Chmiela Natalia Walczak Karolina Rudnicka |
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Institution: | 1.Laboratory of Gastroimmunology, Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection,University of ?ód?,?ód?,Poland |
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Abstract: | Helicobacter pylori - (H. pylori) play a role in the pathogenesis of gastritis, gastric and duodenal ulcers as well as gastric cancer. A possible involvement of outer membrane vesicles (OMVs) produced by H. pylori in the distribution of bacterial antigens through the gastric epithelial barrier and their role in the development of local and systemic host inflammatory and immune responses has been suggested. OMVs contain various biologically active compounds, which internalize into host cells affecting signaling pathways and promoting apoptosis of gastric epithelial and immunocompetent cells. OMVs-associated H. pylori virulence factors may strengthen or downregulate the immune responses leading to disease development. This review describes the biological importance of H. pylori OMVs and their role in the course of H. pylori infections, as well as H. pylori related local and systemic effects. |
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