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. 1990 Oct;34(10):1991–1995. doi: 10.1128/aac.34.10.1991

Anti-human immunodeficiency virus effects of dextran sulfate are strain dependent and synergistic or antagonistic when dextran sulfate is given in combination with dideoxynucleosides.

M E Busso 1, L Resnick 1
PMCID: PMC171977  PMID: 2291665

Abstract

The effects of three molecular weight ranges of dextran sulfate on five different human immunodeficiency virus (HIV) isolates (from patients with acquired immunodeficiency syndrome), alone and in combination with dideoxynucleosides, were investigated in vitro. The higher the molecular weight range of dextran sulfate, the more potent the activity as assessed by a quantitative syncytium formation assay. Although all five HIV isolates had similar susceptibilities to the inhibitory effects of dideoxynucleosides, the two clinical isolates of HIV (HIV type 1 [HIV-1] TM and SP) exhibited a pattern of reduced susceptibility to dextran sulfate when compared with the two cloned isolates (HIV-1 WMF and HIV-2 ROD) and a prototype laboratory strain (HIV-1 IIIB). In combination with dideoxynucleosides, the high-molecular-weight range of dextran sulfate (500,000) resulted in an antagonistic response directed against the two clinical isolates of HIV (HIV-1 TM and SP) when the antiviral concentrations of dextran sulfate were in the ineffective range. Additive or synergistic effects were seen with the other three HIV isolates and all five HIV isolates when the low-molecular-weight range of dextran sulfate (8,000) was used. The results of these studies raise issues on the impact of drug-resistant strains on disease progression and the use of dextran sulfate in combination with nucleoside analogs for the clinical management of HIV disease.

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1991

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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