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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Anti-rheumatic compound aurothioglucose inhibits tumor necrosis factor-alpha-induced HIV-1 replication in latently infected OM10.1 and Ach2 cells.

NF-kappaB is a potent cellular activator of HIV-1 gene expression. Down-regulation of NF-kappaB activation is known to inhibit HIV replication from the latently infected cells. Gold compounds have been effectively used for many decades in the treatment of rheumatoid arthritis. We previously reported that gold compounds, especially aurothioglucose (AuTG) containing monovalent gold ion, inhibited the DNA-binding of NF-kappaB in vitro. In this report we have examined the efficacy of the gold compound AuTG as an inhibitor of HIV replication in latently infected OM10.1 and Ach2 cells. Tumor necrosis factor (TNF)-alpha-induced HIV-1 replication in OM10.1 or Ach2 cells was significantly inhibited by non-cytotoxic doses of AuTG (>10 microM in OM10.1 cells and >25 F.M in Ach2 cells), while 25 microM of the counter-anion thioglucose (TG) or gold compound containing divalent gold ion, HAuCl3, had no effect. The effect of AuTG on NF-kappaB-dependent gene expression was confirmed by a transient CAT assay. Specific staining as well as electron microscopic examinations revealed the accumulation of metal gold in the cells, supporting our previous hypothesis that gold ions could block NF-kappaB-DNA binding by a redox mechanism. These observations indicate that the monovalent gold compound AuTG is a potentially useful drug for the treatment of patients infected with HIV.[1]

References

  1. Anti-rheumatic compound aurothioglucose inhibits tumor necrosis factor-alpha-induced HIV-1 replication in latently infected OM10.1 and Ach2 cells. Traber, K.E., Okamoto, H., Kurono, C., Baba, M., Saliou, C., Soji, T., Packer, L., Okamoto, T. Int. Immunol. (1999) [Pubmed]
 
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