Matrix metalloproteinases mediate influenza A-associated shedding of the alveolar epithelial glycocalyx

Abstract excerpt

BACKGROUND: The alveolar epithelium is protected by a heparan sulfate-rich, glycosaminoglycan layer called the epithelial glycocalyx. It is cleaved in patients with acute respiratory distress syndrome (ARDS) and in murine models of influenza A (IAV) infection, shedding fragments into the airspace from the cell surface. Glycocalyx shedding results in increased permeability of the alveolar-capillary barrier,...

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