Caveolin-1-derived peptide attenuates cigarette smoke-induced airway and alveolar epithelial injury
Durgesh Nandini Das, Bijesh Puthusseri, Venkadesaperumal Gopu, Venugopal Krishnan, Ashoka Kumar Bhagavath, Sudhir Bolla, Yogesh Saini, G.J. Criner, Nathaniel Marchetti, Hua Tang, Nagarjun V. Konduru, Liang Fan, Sreerama Shetty
Abstract
Chronic cigarette smoke (CS) exposure remains a major risk factor for the pathogenesis of COPD, a debilitating disease with no effective treatment. Increased caveolin-1 mediated induction of p53 and downstream plasminogen activator inhibitor-1 (PAI-1) expression contributes to CS-induced airway mucus hypersecretion and alveolar wall damage. This is reversed by caveolin-1 scaffolding domain peptide (CSP7) in preclinical models, suggesting the therapeutic potential of CSP7 for treating CS-induced lung injury (CS-LI) and COPD.