Logo image
Expression of the Dengue Virus Type 2 NS5 Protein in a CD4+ T Cell Line Inhibits HIV Replication
Journal article   Open access   Peer reviewed

Expression of the Dengue Virus Type 2 NS5 Protein in a CD4+ T Cell Line Inhibits HIV Replication

James H McLinden, Jack T Stapleton, Qing Chang and Jinhua Xiang
The Journal of infectious diseases, Vol.198(6), pp.860-863
09/15/2008
DOI: 10.1086/591254
PMID: 18721058
url
https://doi.org/10.1086/591254View
Published (Version of record) Open Access

Abstract

Human immunodeficiency virus (HIV) load is suppressed during dengue virus infection. The NS5A phosphoprotein of GB virus C (a related flavivirus) inhibits HIV replication in vitro. To determine whether the dengue virus NS5 protein inhibits HIV replication, CD4+ T cell lines expressing this protein were generated. HIV replication in dengue virus NS5—expressing cells decreased by >90% compared with control cells (P < .01), and this was mediated in part by decreased HIV coreceptor (CXCR4) expression and increased production of SDF-1. Thus, the dengue virus NS5 protein inhibits HIV replication in vitro, potentially explaining the reduction in HIV load observed during acute dengue virus infection.

Details

Metrics

Logo image