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Title: Serum concentrations of granulocyte-colony stimulating factor in complicated Plasmodium falcipatrum malaria
Authors: Brigitte Stoiser
Sornchai Looareesuwan
Florian Thalhammer
Florian Daxböck
Suwanee Chullawichit
Ibrahim El-Menyawi
Wolfgang Graninger
Heinz Burgmann
Universitat Wien
Mahidol University
Division of Infectious Diseases
Keywords: Biochemistry, Genetics and Molecular Biology;Immunology and Microbiology
Issue Date: 23-Mar-2000
Citation: European Cytokine Network. Vol.11, No.1 (2000), 75-79
Abstract: Involvement of neutrophils in the control of blood parasites in malaria has been reported. Both, mononuclear phagocytes and neutrophils are known to be stimulated by cytokines such as TNF-alpha in order to augment the defence potency against the parasites. Previously, it has been shown that serum-G-CSF concentrations are increased in patients with bacterial sepsis. In vitro studies have shown that P. falciparum-infected erythrocytes induce the release of G-CSF by several cells such as endothelial cells and monocytes, however, nothing is known about G-CSF serum concentrations during the clinical course of severe P. falciparum malaria. Thus, it was the aim of the present study to investigate the time course for G-CSF serum concentrations in patients with complicated P. falciparum malaria, and to correlate these values with other mediators of inflammation and hematopoesis. Twenty-six patients suffering from complicated P. falciparum malaria were included in the study, and 20, age and sex matched, healthy volunteers were used as the negative control group. Serum samples for determination of G-CSF were taken on day 0, 7 and 14, and measured by ELISA. We found significantly increased serum concentrations of G-CSF in patients with complicated P. falciparum malaria on day 0, values decreasing to within the normal range by day 7. A significant correlation was found between G-CSF (d0) and procalcitonin, the parasite count, erythropoietin and macrophage inflammatory protein, however no correlation could be shown for the neutrophil count. In conclusion, on the day of hospital admission, elevated serum concentrations of G-CSF were detected in patients with complicated P. falciparum malaria, which might indicate a role of G-CSF in the acute defence mechanism against the parasites.
ISSN: 11485493
Appears in Collections:Scopus 1991-2000

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