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Related Experiment Videos

Complement receptors and cell associated complement components.

I McConnell, P J Lachmann

    Immunological Communications
    |January 1, 1977
    PubMed
    Summary
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    Tissue cells possess membrane receptors for complement components like C3b, crucial for C3 functions. Genetic links between complement and the major histocompatibility complex suggest a functional relationship.

    Area of Science:

    • Immunology
    • Cell Biology

    Background:

    • Membrane receptors for activated complement proteins are common in mammalian tissues.
    • Receptors for C3b are particularly widespread and mediate key C3 functions.
    • Some complement component genes are genetically linked to the major histocompatibility complex (MHC).

    Purpose of the Study:

    • To investigate the distribution and function of complement receptors on tissue cells.
    • To explore the potential relationship between the complement system and the major histocompatibility complex.

    Main Methods:

    • The study likely involved analyzing the presence and distribution of complement receptors on various cell types.
    • Genetic linkage analysis may have been employed to study the relationship between complement and MHC genes.

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    Main Results:

    • Activated complement components bind to widely distributed membrane receptors on mammalian tissue cells.
    • Receptors for C3b are common and mediate significant biological functions of C3.
    • Genetic linkage exists between certain complement components and MHC genes.
    • These complement components are also found on cell surfaces.

    Conclusions:

    • The widespread presence of complement receptors and the genetic linkage to MHC suggest a functional interplay between the complement system and MHC.
    • Further research is warranted to elucidate the precise nature of this relationship.