Nasal Mucosa Physical Barrier (NMPB)

The Nasal Mucosa Physical Barrier is a complex system of cellular structures, primarily tight junctions, adherens junctions, and desmosomes within the nasal epithelium, that provides a selective barrier against external threats. It prevents the entry of allergens, pathogens, and irritants, maintaining tissue homeostasis and limiting immune activation. Disruption of this barrier contributes to inflammatory airway diseases, making its restoration a key therapeutic target. Therapeutics include agents that enhance natural cell-cell adhesion or provide artificial protection via topical applications.

Other names

Nasal Epithelial BarrierAirway Epithelial Barrier (Nasal)Nasal Mucosal Barrier Function

Restoration of epithelial barrier integrity; formation of a protective layer on the mucosal surface to prevent allergen/pathogen interaction with epithelial cells.