Abstract
Desferrioxamine (DFO) is commonly used in therapy as a chelator of ferric ion in disorders of iron overload. We found that DFO inhibits human cytomegalovirus (HCMV) replication in infected cultures of human foreskin fibroblasts (HFF) at concentrations that have been achieved in humans with no significant adverse effects. The concentrations of DFO required for 50 and 90% reduction in the production of a HCMV-late antigen ranged for several HCMV strains from 3.1 to 4.9 μM and from 14.2 to 17.3 μM, respectively. DFO concentration of 60 μM had no significant effect on the viability of HFF cells. Inhibitory effects of DFO on HCMV replication were completely prevented by co-incubation with stoichiometric amounts of Fe 3+.
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