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Updated: Jun 22, 2026

Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture
Published on: October 12, 2018
Enhancement of human immunodeficiency virus type 1 replication is not intrinsic to all polyanion-based microbicides
Secondo Sonza1, Adam Johnson, David Tyssen
1Macfarlane Burnet Institute for Medical Research and Public Health, Melbourne, Victoria 3004, Australia.
Abstract:
Polyanion-based microbicides have been developed to prevent the sexual transmission of human immunodeficiency virus (HIV). Recent data suggest that polyanions have the capacity to enhance HIV type 1 (HIV-1) replication at threshold antiviral concentrations. Evaluation of the microbicide candidates SPL7013 and PRO 2000 revealed no specific enhancement of two CCR5 HIV-1 strains in human peripheral blood mononuclear cells compared to enfuvirtide (Fuzeon). The enhancement effect is likely to be a function of the assay conditions and is not an intrinsic property of these polyanions.
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