Helicobacter pylori cell surface and mucosal interface components

Helicobacter pylori cell surface and mucosal interface components represent a complex group of bacterial factors essential for the colonization and persistence of H. pylori within the human stomach (Kusters et al., 2006). These components include various adhesins such as Blood group antigen-binding adhesin (BabA) and Sialic acid-binding adhesin (SabA), which mediate attachment to the gastric epithelium (Ishijima et al., 2011). The enzyme urease is also a critical component, often associated with the cell surface, where it neutralizes gastric acid to create a habitable microenvironment (Mobley et al., 1995). Additionally, the flagellar apparatus and lipopolysaccharides (LPS) contribute to bacterial motility and immune evasion, respectively. These factors are central to the pathogenesis of chronic gastritis and peptic ulcers and are strongly linked to the development of gastric adenocarcinoma and MALT lymphoma (Malfertheiner et al., 2022). Therapeutic strategies targeting these components include bismuth-based therapies that coat the mucosa and interfere with bacterial adherence, as well as multi-drug antibiotic regimens designed to eradicate the pathogen. Research into vaccines and specific anti-adhesion molecules continues to focus on these surface-exposed targets to provide more precise interventions against H. pylori-related diseases.

Other names

Helicobacter pylori surface antigensH. pylori adhesinsH. pylori outer membrane proteinsH. pylori mucosal interface factors

Drugs targeting these components typically act by inhibiting bacterial adhesion to the gastric mucosa, disrupting the bacterial cell surface, or neutralizing essential survival enzymes like urease to prevent colonization and facilitate eradication (Malfertheiner et al., 2022; Kusters et al., 2006).