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Helicobacter pylori Cell Adhesion Factors
- Molecular classification
- Outer Membrane Protein (OMP), Adhesin, Glycoprotein
01
Overview
Helicobacter pylori cell adhesion factors are a group of outer membrane proteins (OMPs) known as adhesins that enable the bacterium to attach to host gastric epithelial cells. This adhesion is essential for colonization, persistence in the harsh gastric environment, and pathogenesis leading to diseases such as chronic gastritis, peptic ulcers, and gastric cancer. Key adhesins include HpaA, BabA, and SabA, each with distinct binding specificities and roles in virulence.
- Other names
- H. pylori adhesinsHpaABabASabAH. pylori outer membrane proteins (OMPs) involved in adhesion
02
Mechanism of action
Adhesion factors mediate direct binding between bacterial surface structures and glycan or protein receptors on human epithelial cells, facilitating colonization, virulence factor delivery, and triggering inflammatory signaling pathways.
03
Biological functions
Cell adhesionColonizationImmune modulationVirulenceReceptor binding
04
Disease associations
GastritisPeptic ulcerGastric cancerInfectionInflammation
05
Safety considerations
Potential for off-target effects when developing adhesion-blocking therapies.Development of resistance to adhesion-blocking therapies.Strain variability in adhesin expression and function.
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