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A Dual Protease Inhibitor/Receptor Antagonist With Therapeutic Implications For Chronic Inflammatory Lung Diseases, Matthew Thomas Hardison
A Dual Protease Inhibitor/Receptor Antagonist With Therapeutic Implications For Chronic Inflammatory Lung Diseases, Matthew Thomas Hardison
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Chronic neutrophilic inflammation is a hallmark of numerous pulmonary diseases. It is commonly associated with declining lung function, collagen turnover, and increased protease activity. Our laboratory has recently published several articles describing a biologically active collagen breakdown product, proline-glycine-proline (PGP) and its more active amino-terminus acetylated form, N-α-PGP. PGP acts via classical chemokine receptors CXCR1 and 2 to draw neutrophils (PMNs) into sites of inflammation in what is potentially a feed-forward mechanism of disease. The tri-peptide appears to be a bio-marker in certain clinical diseases like cystic fibrosis (CF) and chronic obstructive pulmonary disease (COPD). The present work first details …