NDLI: Granulocyte-Macrophage Colony-Stimulating Factor in Staphylococcus aureus-Induced Arthritis

Content Provider	PubMed Central
Author	Margareta, Verdrengh Tarkowski, Andrej
Copyright Year	1998
Abstract	Granulocyte-macrophage colony-stimulating factor (GM-CSF) is a cytokine that is able to increase not only the production of phagocytic cells but also their efficacy with respect to, e.g., bactericidal properties. In this study, we wanted to analyze the impact of GM-CSF on experimental Staphylococcus aureus-induced arthritis. For that purpose, mice were administered GM-CSF before and after bacterial inoculation. Although there was an increase in the total number of leukocytes as well as in the granulocyte fraction, there was no favorable effect on the severity of arthritis or on survival rates. There were no obvious differences between the GM-CSF-pretreated animals and controls with regard to growth of staphylococci in joints and kidneys 4 days after the bacterial inoculation. In contrast, mice that had been pretreated with GM-CSF prior to bacterial inoculation showed approximately four times lower numbers of bacteria in their blood 24 h later. These results, along with those of our previous studies, suggest that on the one hand the granulocyte is the main protective cell during the course of S. aureus infection but that on the other hand, upregulation of granulocyte-macrophage production will not exert any additional protective effects with respect to tissue injury.
Starting Page	853
File Format	PDF
ISSN	10985522
e-ISSN	10985522
Journal	Infection and Immunity
Issue Number	2
Volume Number	66
Language	English
Publisher	American Society for Microbiology
Publisher Date	1998-02-01
Access Restriction	Open
Rights Holder	American Society for Microbiology
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Parasitology Immunology Microbiology

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