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Journal Article

Combination Immunotherapy and Antifungal Chemotherapy

David A. Stevens
Clinical Infectious Diseases
Vol. 26, No. 6 (Jun., 1998), pp. 1266-1269
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/4460370
Page Count: 4

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Topics: Antifungals, Macrophages, Cytokines, Mycoses, Infections, Killing, Cryptococcosis, Fungi, Mice, Immunotherapy
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Combination Immunotherapy and Antifungal Chemotherapy
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Abstract

Historical clinical observations suggested that cellular immunity is central in the outcome of deep fungal infections, and experimental observations later proved this. Unstimulated effector cells interact synergistically with antifungal drugs. Recombinant cytokines, of which interferon γ (IFN-γ) is the most prominent, stimulate several host-effector cells (macrophages, monocytes, neutrophils) for antifungal activity. Effector cells stimulated by such molecules (data with macrophage colony-stimulating factor, granulocyte colony-stimulating factor, and granulocyte-macrophage colony-stimulating factor with azoles are presented as examples) also have enhanced synergistic activity with antifungals. A tilt toward a type 1 T-helper (Th1) cell pathway seems essential in antifungal host defenses. Cytokines (and anticytokines) that promote this pathway can be protective in vivo and act cooperatively with antifungal drugs. Observations with interleukin (IL)-12, IFN-γ, and anti-IL4 illustrate this. The clinical applications of these strategies are just beginning.

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