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Cell surface proteins reacting with activated complement components.

J D Becherer1, J Alsenz, C Servis

  • 1Basel Institute for Immunology, Switzerland.

Complement and Inflammation
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

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Complement receptors bind activated complement fragments, mediating immune responses like cell lysis and inflammation. Understanding these interactions is key to deciphering pathogen roles in disease.

Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • The complement system is crucial for innate and adaptive immunity.
  • Activated complement proteins interact with cell receptors to mediate diverse biological activities.
  • These activities include cell lysis, inflammation, phagocytosis, and immune regulation.

Purpose of the Study:

  • To review the structure, ligand specificity, and function of complement receptors.
  • To emphasize receptors that bind activated fragments of C3 (C3 fragments).
  • To summarize surface proteins on foreign particles that bind C3 and their pathogenic roles.

Main Methods:

  • Literature review focusing on complement receptors and C3 fragment interactions.
  • Analysis of structural and functional data for complement receptors.

Related Experiment Videos

  • Summary of known C3-binding proteins on pathogens.

    • Main Results:

    • Complement receptors exhibit specificities for various activated complement fragments.
    • Receptors binding C3 fragments are central to many complement-mediated effector functions.
    • Certain microbial surface proteins effectively bind C3 fragments, aiding pathogenesis.

    Conclusions:

    • Complement receptors are critical mediators of immune responses through recognition of activated complement fragments.
    • Understanding C3 fragment-receptor interactions provides insights into host defense mechanisms.
    • Targeting microbial C3-binding proteins may offer therapeutic strategies against infections.