Bacterial adhesion to epithelial cells

Bacterial adhesion to epithelial cells is a biological process in which bacteria attach to epithelial surfaces via specific or non-specific interactions. This process is typically mediated by bacterial surface structures called adhesins—including fimbriae (pili), afimbrial proteins, and polysaccharide adhesins—that recognize and bind to various host cell receptors, such as proteins or glycoconjugates on epithelial surfaces[4][3][8]. The establishment of adhesion is a critical first step for colonization, biofilm formation, and the pathogenesis of infections by both Gram-positive and Gram-negative bacteria. Numerous different adhesins and corresponding host receptors exist, and their specific interactions often determine host and tissue tropism of pathogens[3][5]. Although pharmacological strategies may attempt to disrupt this adhesion, \"bacterial adhesion to epithelial cells\" is not a discrete molecular target, but a complex process involving many molecular players on both the host and bacterial side. Therefore, it is not described as a \"therapeutic target\" like a receptor or an enzyme; but its component molecules (such as specific bacterial adhesins or host cell receptors) may be considered bona fide drug targets[3][5][4]. In summary, \"bacterial adhesion to epithelial cells\" is a biological function, not a canonical molecular target, and should not be treated as a single entity or target in drug discovery or molecular classification efforts.

Other names

bacterial adherence to epithelial cellsbacterial-epithelial cell adhesionmicrobial attachment to epithelial cells