Journal
CANADIAN JOURNAL OF MICROBIOLOGY
Volume 55, Issue 4, Pages 450-456Publisher
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/W08-149
Keywords
adhesion; Helicobacter pylori; antigens; outer membrane proteins
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Helicobacter pylori is a common gastrointestinal pathogenic bacterium in humans and the usual preference for the stomach's outer membrane proteins (OMPs) are antigens involved in the adhesion process. Through SDS-PAGE and blotting analyses, using horseradish peroxidase-labeled heparan sulfate (HRP-HS) as a probe, we identified H. pylori OMPs with affinity for heparan sulfate (OMP-HS). Biotin-streptavidin bacterial-adhesion assay was used to evaluate participation of OMP-HS in the adhesion of H. pylori to semi-confluent HeLa S3 and Kato III cell monolayers. The results provide evidence that induction of antibodies against 2 OMP-HSs (HSBP-47 and HSBP-51) could reduce binding of H. pylori to both cell lines and induce detachment of cell-bound bacteria from infected cultured cells.
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