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Medical Oncology

, Volume 13, Issue 3, pp 141–144 | Cite as

The effect of granulocyte-macrophage colony stimulating factor (rGM-CSF) on macrophage function in microbial disease

  • Thomas C. Jones
Article

Abstract

Clinical Research Consultants, 24 Webergasse, 4058 Basle, Switzerland The haematopoietic growth factor, GM-CSF, has well-documented stimulatory effects on monocyte and macrophage functions. These effects include enhanced proliferation of their progenitor cells, increased endocytosis and metabolism of mature cells, increased function as antigen-presenting cells, and increased inhibition or killing of intracellular fungi, bacteria, protozoa and viruses. The major effect of GM-CSF on monocytes and macrophages is to enhance phagocytic and metabolic functions, including increased synthesis of molecules toxic to microbes, and to release other pro inflammatory cytokines. This results in inhibition and/or killing ofCandida albicans, Aspergillus, Cryptococcus, Pneumocystis, Leishmania, Mycohacteria, as well as other intracellular pathogens. GM-CSF also enhances the intracellular effectiveness of antiviral and antibacterial drugs. Viral replication may be increased in activated cells, therefore, when GM-CSF is used, a combination with appropriate antiviral drugs is recommended. Several reports in patients of successful management of microbial diseases which depend on macrophage function are now reviewed. These reports support the clinical value of GM-CSF in the management of patients with cancer and chemotherapy related monocyte/macrophage dysfunction and presumed or documented microbial disease.

Keywords

macrophage monocyte GM-CSF fungi virus bacteria 

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Copyright information

© Humana Press Inc. 1996

Authors and Affiliations

  • Thomas C. Jones

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