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Isolation, Characterization, and Purification of Macrophages from Tissues Affected by Obesity-related Inflammation
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Published on: April 3, 2017

The role of macrophage activation in chronic inflammation

A C Allison, J Ferluga, H Prydz

    Agents and Actions
    |January 1, 1978
    PubMed

    Insights

    Macrophages are key cells in chronic inflammation. Their activation leads to the release of enzymes and factors that influence inflammation, immune responses, and cell proliferation, impacting diseases like rheumatoid arthritis.

    Area of Science:

    • Immunology
    • Cell Biology
    • Pathology

    Background:

    • Macrophages are central to chronic inflammatory processes, notably in conditions like rheumatoid synovium.
    • Macrophage activation is a critical event in inflammatory reactions.

    Purpose of the Study:

    • To elucidate the consequences of macrophage activation in chronic inflammation.
    • To discuss the role of activated macrophages in disease pathogenesis.

    Main Methods:

    • The study discusses the known activators of macrophages, including lymphocyte products, immune complexes, and complement component C3b.
    • The research focuses on the functional outcomes of macrophage activation.

    Main Results:

    • Activated macrophages synthesize and secrete hydrolytic enzymes.
    • Activation results in the cleavage of complement component C3 and the production of tissue thromboplastin.
    • Macrophages generate polyamine oxidase, producing factors that affect tumor cells, lymphocytes, and microorganisms.

    Conclusions:

    • Macrophage activation has diverse consequences relevant to chronic inflammatory diseases.
    • Understanding these mechanisms is crucial for addressing the pathogenesis of inflammatory conditions.

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