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Updated: Aug 14, 2026

Genotypic Inference of HIV-1 Tropism Using Population-based Sequencing of V3
Published on: December 27, 2010
Virological, immunological and host factors in HIV-1 discordant couples in Thailand
S Louisinrotchanakul1, A Roongpisuthipong, R Poonarkngeng
1Department of Microbiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Abstract:
The potential factors of resistance to HIV-1 infection were investigated in 23 HIV discordantly infected couples, of each, one partner had HIV infection and the matched spouse was not infected. Both partners of the HIV discordant couples possessed comparable number of CD4+ cells expressing CCR5. Our study demonstrated that resistance to HIV-1 infection was not due to low level of HIV viral load in their infected-matched spouses. In addition, selective biological phenotype of HIV clinical isolates, which is indicative for risk of transmission, could not be determined in this study. However, we have demonstrated that the unknown genetic factor(s), and neutralizing antibody of broad and high activity could be taken into an account for resistance to HIV infection in the HIV discordant couples.
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