Abstract
The effect of amphotericin B methyl ester (AME) on human immunodeficiency virus (HIV-1) was examined in vitro in cultures of H9, Molt-3 and human peripheral blood lymphocytes acutely infected with HIV. AME inactivates HIV-1 at non-cytotoxic concentrations ranging from 10–100 μg ml−1, and protects pretreated target cells from the cytopathic effects of the virus. AME inhibits the cell to cell spread of virus, as shown by the blocking of syncytia formation in Molt-3 cells, and the reduction in the level of virus expression in cultured peripheral blood leukocytes from an AIDS patient. These results suggest AME may be an effective chemotherapeutic agent in the treatment of AIDS patients, and, because of its unique mode of action may act cooperatively with other AIDS chemotherapeutics.
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