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  • Title: Fibronectin is an acute phase reactant in mice.
    Author: Dyck RF, Rogers SL.
    Journal: Clin Invest Med; 1985; 8(2):148-51. PubMed ID: 2421956.
    Abstract:
    Tissue injury and inflammation are potent stimuli for the immediate increased synthesis of several plasma proteins collectively known as acute phase phase reactants. This dramatic phenomenon is thought to play an important role in inflammation and tissue repair. Plasma fibronectin is a normal plasma glycoprotein and a major non-specific opsonin apparently involved in maintaining the integrity of the mononuclear phagocytic system. Because of its ability to mediate clearance of intravascular particulate matter, increased production following tissue injury could be of benefit to the organism. We now report that plasma fibronectin is a significant acute phase reactant in mice with levels increasing from a baseline mean value of 257 ug/ml to 595 ug/ml by 24 hours (p less than 0.01) after a subcutaneous injection of silver nitrate. Similar findings were observed when subcutaneous casein was used as the acute phase stimulus. This data provides further circumstantial evidence that plasma fibronectin is involved in host defence and tissue repair.
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