Macrophage hydrogen peroxide production and phagocytic function are decreased following phagocytosis mediated by Fc receptors but not complement receptors

Daniel J. Loegering, Martin G Schwacha

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Previous in vivo and in vitro studies have shown that the phagocytosis of IgG-coated erythrocytes results in a depression of macrophage function. The present study compared the effect of phagocytosis mediated by Fc receptors with that mediated by complement receptors. The phagocytosis of IgG-coated erythrocytes by elicited peritoneal macrophages depressed their capacity to produce hydrogen peroxide as well as phagocytic function. Phagocytosis of erythrocytes coated with IgM and complement had neither of these effects. These results implicate the intracellular signaling that results from Fc receptor mediated phagocytosis in the depression of macrophage function that is caused by phagocytosis.

Original languageEnglish (US)
Pages (from-to)268-272
Number of pages5
JournalBiochemical and Biophysical Research Communications
Volume180
Issue number1
DOIs
StatePublished - Oct 15 1991
Externally publishedYes

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Complement Receptors
Fc Receptors
Macrophages
Phagocytosis
Hydrogen Peroxide
Immunoglobulin G
Erythrocytes
Immunoglobulin M
Peritoneal Macrophages

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

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