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Published on: January 14, 2011
Amphotericin B activation of human genes encoding for cytokines
P D Rogers1, J K Jenkins, S W Chapman
1Department of Clinical Pharmacy Practice, University of Mississippi Medical Center, Jackson, Mississippi, 39216-4505, USA. drogers@medicine.umsmed.edu
Abstract:
Amphotericin B has been shown to cause release of cytokines, including interleukin-1beta (IL-1beta) and tumor necrosis factor-alpha (TNF-alpha), from monocytes and macrophages. Human and murine monocytic cell lines were used to evaluate the effects of amphotericin B on the transcription of IL-1alpha, IL-1beta, and TNF-alpha and the transcription and production of soluble IL-1 receptor antagonist (sIL-1Ra). The effects of inhibitors of transcription and translation on amphotericin B-induced IL-1beta expression in a human monocytic cell line were also evaluated. Amphotericin B markedly increased IL-1beta and TNF-alpha mRNA levels, with peak levels occurring by 4 h. Amphotericin B induced production of sIL-1Ra in a dose-dependent fashion and induced sIL-1Ra mRNA, with peak levels at 24 h. Cycloheximide and actinomycin D resulted in a dose-dependent decrease in amphotericin B-induced IL-1beta expression at 2 h. Thus, amphotericin B induces gene expression for IL-1beta, TNF-alpha, and IL-1Ra in human and murine monocytic cells.
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