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The leukocyte complement system

J S Sundsmo

    Federation Proceedings
    |December 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    The leukocyte complement system involves lymphocytes and mononuclear phagocytes activating complement, expressing receptors for complement fragments, and synthesizing complement proteins. This cellular system may play a role in lymphocyte stimulation and monocyte activation.

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    Area of Science:

    • Immunology
    • Cell Biology

    Background:

    • The complement system is a crucial part of innate immunity.
    • Leukocytes, including lymphocytes and mononuclear phagocytes, play key roles in immune responses.

    Purpose of the Study:

    • To review evidence for a leukocyte complement system.
    • To explore the mechanisms of complement activation by leukocytes.
    • To discuss the functional implications of this system in immune cell activity.

    Main Methods:

    • Review of existing literature on leukocyte complement interactions.
    • Analysis of studies on complement protein expression on leukocyte surfaces.
    • Examination of research on complement activation pathways involving leukocytes.

    Main Results:

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    • Lymphocytes and mononuclear phagocytes activate complement.
    • These cells express receptors for complement activation fragments.
    • Leukocytes synthesize complement proteins, suggesting intracellular production.

    Conclusions:

    • Evidence supports the existence of a functional complement system within leukocytes.
    • This cellular complement system may regulate lymphocyte and monocyte functions.
    • Further research is needed to fully elucidate the roles of leukocyte-derived complement.