期刊
TISSUE BARRIERS
卷 1, 期 4, 页码 -出版社
TAYLOR & FRANCIS AS
DOI: 10.4161/tisb.24997
关键词
mucociliary clearance; antimicrobial peptides; COPD; asthma; airway epithelium; tight junctions
资金
- National Institute of Health [HL089772, AT004793]
Airway epithelium contributes significantly to the barrier function of airway tract. Mucociliary escalator, intercellular apical junctional complexes which regulate paracellular permeability and antimicrobial peptides secreted by the airway epithelial cells are the three primary components of barrier function of airway tract. These three components act cooperatively to clear inhaled pathogens, allergens and particulate matter without inducing inflammation and maintain tissue homeostasis. Therefore impairment of one or more of these essential components of barrier function may increase susceptibility to infection and promote exaggerated and prolonged innate immune responses to environmental factors including allergens and pathogens resulting in chronic inflammation. Here we review the regulation of components of barrier function with respect to chronic airways diseases.
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