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The fused quinazolinone derivative, RX-207, is chemically and functionally related to small molecule inhibitors of protein binding to glycosaminoglycans (SMIGs). Composed of a planar aromatic amine scaffold, it inhibits protein… Click to show full abstract
The fused quinazolinone derivative, RX-207, is chemically and functionally related to small molecule inhibitors of protein binding to glycosaminoglycans (SMIGs). Composed of a planar aromatic amine scaffold, it inhibits protein binding to glycosaminoglycans (GAGs). RX-207 reduced neutrophil migration in thioglycollate-induced peritonitis (37%), inhibited carrageenan-induced paw edema (32%) and cerulein-induced pancreatitis (28%), and increased animal survival in the mouse model of cecal ligation and puncture (CLP)-induced sepsis (60%). The mechanism of RX-207 action, analyzed by UV spectroscopy, confirmed that which was elucidated for chemically related anti-inflammatory SMIGs. RX-207 binding to cell surface GAGs can account for the inhibition of neutrophil recruitment via the micro-vasculature and as a consequence, the reduction of neutrophil mediated tissue damage in the animal models of inflammation and improved survival of mice in CLP-induced sepsis.
Journal Title: Inflammation
Year Published: 2017
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