Stimulation of the respiratory burst and promotion of bacterial killing in human granulocytes by intravenous immunoglobulin preparations

L. Máródi, A. Kalmar, L. Karmazsin

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9 Citations (Scopus)

Abstract

We have examined the effect of two i.v. immunoglobulin preparations on the metabolic and functional activities of neutrophil granulocytes from the peripheral blood. Production of superoxide anion (O2̄) by granulocytes was measured through superoxide dismutase inhibitable reduction of ferricytochrome C after incubation of cells for various times together with immunoglobulin (concentration ranging from 0.25 to 5.0 mg/ml). The results showed dose-dependent response of O2̄ production independent of the incubation time. Granulocytes containing ingested Staphylococcus aureus released a significantly (p <0.001) larger amount of O2̄ and killed a higher number (P <0.001) of viable bacteria in the presence of 55 mg/ml immunoglobulin than did cells incubated in the absence of extracellular i.v. immunoglobulin. These data raise the possibility that immunoglobulin concentrates for i.v. use may enhance the anti-bacterial activities of phagocytic cells through direct stimulation of the respiratory burst. Inflammatory reactions observed during i.v. immunoglobulin infusion in hypo- or agammaglobulineamic patients may also be related to phagocytic cell activation.

Original languageEnglish
Pages (from-to)164-169
Number of pages6
JournalClinical and Experimental Immunology
Volume79
Issue number2
Publication statusPublished - 1990

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Respiratory Burst
Intravenous Immunoglobulins
Granulocytes
Immunoglobulins
Phagocytes
Superoxides
Superoxide Dismutase
Staphylococcus aureus
Neutrophils
Bacteria

Keywords

  • granulocytes
  • intracellular killing
  • intravenous immunoglobulin
  • Staphylococcus aureus
  • superoxide anion

ASJC Scopus subject areas

  • Immunology

Cite this

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abstract = "We have examined the effect of two i.v. immunoglobulin preparations on the metabolic and functional activities of neutrophil granulocytes from the peripheral blood. Production of superoxide anion (O2̄) by granulocytes was measured through superoxide dismutase inhibitable reduction of ferricytochrome C after incubation of cells for various times together with immunoglobulin (concentration ranging from 0.25 to 5.0 mg/ml). The results showed dose-dependent response of O2̄ production independent of the incubation time. Granulocytes containing ingested Staphylococcus aureus released a significantly (p <0.001) larger amount of O2̄ and killed a higher number (P <0.001) of viable bacteria in the presence of 55 mg/ml immunoglobulin than did cells incubated in the absence of extracellular i.v. immunoglobulin. These data raise the possibility that immunoglobulin concentrates for i.v. use may enhance the anti-bacterial activities of phagocytic cells through direct stimulation of the respiratory burst. Inflammatory reactions observed during i.v. immunoglobulin infusion in hypo- or agammaglobulineamic patients may also be related to phagocytic cell activation.",
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AU - Máródi, L.

AU - Kalmar, A.

AU - Karmazsin, L.

PY - 1990

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N2 - We have examined the effect of two i.v. immunoglobulin preparations on the metabolic and functional activities of neutrophil granulocytes from the peripheral blood. Production of superoxide anion (O2̄) by granulocytes was measured through superoxide dismutase inhibitable reduction of ferricytochrome C after incubation of cells for various times together with immunoglobulin (concentration ranging from 0.25 to 5.0 mg/ml). The results showed dose-dependent response of O2̄ production independent of the incubation time. Granulocytes containing ingested Staphylococcus aureus released a significantly (p <0.001) larger amount of O2̄ and killed a higher number (P <0.001) of viable bacteria in the presence of 55 mg/ml immunoglobulin than did cells incubated in the absence of extracellular i.v. immunoglobulin. These data raise the possibility that immunoglobulin concentrates for i.v. use may enhance the anti-bacterial activities of phagocytic cells through direct stimulation of the respiratory burst. Inflammatory reactions observed during i.v. immunoglobulin infusion in hypo- or agammaglobulineamic patients may also be related to phagocytic cell activation.

AB - We have examined the effect of two i.v. immunoglobulin preparations on the metabolic and functional activities of neutrophil granulocytes from the peripheral blood. Production of superoxide anion (O2̄) by granulocytes was measured through superoxide dismutase inhibitable reduction of ferricytochrome C after incubation of cells for various times together with immunoglobulin (concentration ranging from 0.25 to 5.0 mg/ml). The results showed dose-dependent response of O2̄ production independent of the incubation time. Granulocytes containing ingested Staphylococcus aureus released a significantly (p <0.001) larger amount of O2̄ and killed a higher number (P <0.001) of viable bacteria in the presence of 55 mg/ml immunoglobulin than did cells incubated in the absence of extracellular i.v. immunoglobulin. These data raise the possibility that immunoglobulin concentrates for i.v. use may enhance the anti-bacterial activities of phagocytic cells through direct stimulation of the respiratory burst. Inflammatory reactions observed during i.v. immunoglobulin infusion in hypo- or agammaglobulineamic patients may also be related to phagocytic cell activation.

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KW - superoxide anion

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