Regulation of antibody production mediated by fcγ receptors, igg binding factors, and igg fc-binding autoantibodies

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16 Citations (Scopus)

Abstract

Fc receptors (FcRs) are immunoglobulin-binding structures that enable antibodies to perform a variety of functions by forming connections between specific recognition and effector cells. Besides eliciting cytotoxicity, inducing secretion of mediators and endocytosis of opsonized particles, FcRs are involved in the regulation of antibody production, both as integral membrane proteins and as soluble molecules released from the cell surface. Most FcRs belong to the same family of proteins as their ligands (immunoglobulin superfamily). This review contains recent data obtained by use of monoclonal antibodies and cloning studies on FcRs and FcR-like molecules. The importance of fine specificity of receptor binding site(s) - that of the conformation of FcRs and their ligands in triggering signaling mechanisms - is analyzed. The regulatory function of membrane-bound and -released FcRs; the correlation between cell cycle, FcR expression, and release; as well as the possible mechanisms of these phenomena are discussed.

Original languageEnglish
Pages (from-to)191-225
Number of pages35
JournalCritical Reviews in Biochemistry and Molecular Biology
Volume27
Issue number3
DOIs
Publication statusPublished - Jan 1 1992

Keywords

  • B cell regulation
  • Fc receptors
  • IgG binding factor
  • Rheumatoid factor

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology

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