Intestinal permeability pathways

"Intestinal permeability pathways" is not the name of a specific molecule or receptor but rather refers to the physiological and molecular mechanisms that regulate how substances cross the intestinal epithelial barrier. The intestine uses both transcellular and paracellular routes for selective transport of nutrients while maintaining defense against harmful agents. Paracellular permeability is mainly regulated by tight junction proteins between epithelial cells, while transcellular transport involves membrane channels and active transporters. Disruption in these pathways—often called "leaky gut"—can allow antigens, toxins, or microbes to enter systemic circulation and has been implicated in gastrointestinal diseases such as celiac disease and IBD. However, "intestinal permeability pathways" does not refer to any single druggable target but rather describes complex physiological processes involving multiple proteins and cell types[1][2][3]. Summary: “Intestinal permeability pathways” is not an individual molecular entity but describes collective mechanisms governing material passage across the gut wall. It cannot be mapped directly onto canonical drug targets like receptors or enzymes; thus it should be flagged as incorrect for structured pharmacological databases seeking discrete targets[1][2].

Other names

Leaky gutIntestinal barrier dysfunctionIncreased intestinal permeability