Bispecific Thio-Linked Disaccharides as Inhibitors of Pseudomonas Aeruginosa Lectins LecA (PA-IL) and LecB (PA-IIL): Dual-Targeting Strategy.

ABSTRACT: Pseudomonas aeruginosa is a prevalent opportunistic human pathogen, particularly associated with cystic fibrosis. Among its virulence factors are the LecA and LecB lectins. Both lectins play an important role in the adhesion to the host cells and display cytotoxic activity. In this study, we successfully synthesized hardly hydrolysable carbohydrate ligands targeting these pathogenic lectins, including two bispecific glycans. The interactions between LecA/LecB lectins and synthetic glycans were evaluated using hemagglutination (yeast agglutination) inhibition assays, comparing their efficacy with corresponding monosaccharides. Additionally, the binding affinities of bispecific glycans were assessed using isothermal titration calorimetry (ITC). Structural insight into the lectin-ligand inter

SUBMITTER: Faltinek L 

PROVIDER: S-EPMC11753388 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature