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Related Experiment Videos

Fibronectin is an acute phase reactant in mice.

R F Dyck, S L Rogers

    Clinical and Investigative Medicine. Medecine Clinique Et Experimentale
    |January 1, 1985
    PubMed
    Summary

    Plasma fibronectin, a key protein in host defense, significantly increases after tissue injury. This acute phase reactant plays a crucial role in inflammation and tissue repair processes.

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    Area of Science:

    • Biochemistry
    • Immunology
    • Molecular Biology

    Background:

    • Tissue injury and inflammation trigger the synthesis of acute phase reactants.
    • Plasma fibronectin is a glycoprotein involved in the mononuclear phagocytic system and clearance of intravascular particles.

    Purpose of the Study:

    • To investigate if plasma fibronectin is an acute phase reactant in mice.
    • To determine the role of fibronectin in host defense and tissue repair following injury.

    Main Methods:

    • Subcutaneous injection of silver nitrate or casein in mice to induce an acute phase response.
    • Measurement of plasma fibronectin levels at 24 hours post-injection.

    Main Results:

    • Plasma fibronectin levels significantly increased from a baseline of 257 ug/ml to 595 ug/ml 24 hours after silver nitrate injection (p < 0.01).
    • Similar increases in plasma fibronectin were observed following casein injection, confirming its status as an acute phase reactant.

    Conclusions:

    • Plasma fibronectin is a significant acute phase reactant in mice.
    • Elevated fibronectin levels post-tissue injury suggest a role in host defense and tissue repair mechanisms.

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