Protective effect of human granulocyte colony‐stimulating factor (hG‐CSF) on Cryptococcus and Aspergillus infections in normal and immunosuppressed mice

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Abstract
Prophylactic treatment with human granulocyte colony-stimulating factor (hG-CSF) affords significant protection against systemic aspergillosis or pulmonary aspergillosis in neutropenic (cyclophosphamide-treated) mice but not in cortisone-treated animals. Cryptococcosis does not respond to hG-CSF therapy. Our data show that granulocytes play an important role in the immune defense against aspergillosis, but not against cryptococcosis. Combined treatment using hG-CSF and conventional antimycotics shows a significant beneficial effect in systemic or pulmonary aspergillosis.

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