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Detectable HIV-RNA in semen of HIV controllers.

Detectable HIV-RNA in semen of HIV controllers.
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Chaix ML, Boufassa F, Meyzer C, Leruez-Ville M, Mahjoub N, Nere ML, Genet P, Duvivier C, Lascoux-Combes C, Lambotte O, Ghosn J,


Chaix ML, Boufassa F, Meyzer C, Leruez-Ville M, Mahjoub N, Nere ML, Genet P, Duvivier C, Lascoux-Combes C, Lambotte O, Ghosn J, (click to view)

Chaix ML, Boufassa F, Meyzer C, Leruez-Ville M, Mahjoub N, Nere ML, Genet P, Duvivier C, Lascoux-Combes C, Lambotte O, Ghosn J,

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PloS one 2017 08 1612(8) e0183376 doi 10.1371/journal.pone.0183376

Abstract
BACKGROUND
Whether spontaneous low levels of HIV-1 RNA in blood plasma correlate with low levels of HIV-1 RNA in seminal plasma has never been investigated in HIV controller (HIC) men so far.

METHODS
HIC men enrolled in the ANRS CODEX cohort were eligible for the present study if they had no symptoms of sexually transmitted infections (STI). Two paired samples of blood and semen were collected four weeks apart. HIV-RNA was quantified in blood plasma (bpVL) and in seminal plasma (spVL), and cell-associated HIV-DNA was quantified in peripheral blood mononuclear cells (PBMC) and in non-sperm cells (NSC). Spearman rho tests were used to estimate correlations between bpVL and spVL.

RESULTS
Ten men were enrolled. At Day 0 (D0), spVL was detectable in four patients: 458; 552; 256 copies/mL and PCR signal detectable below limit of quantification (LoQ, 40 copies/mL). At Day 28 (D28), spVL was detectable in the same four participants in whom spVL was detectable at D0 with 582; 802; 752 and 50 copies/mL, respectively. HIV-DNA was detectable below LoQ in NSC of one patient at D0 visit. No patient had detectable HIV-DNA in NSC at D28 visit. At D0, bpVL and spVL were highly positively correlated (Spearman rho: 0.94; p = 0.0001). Similar results were found at D28.

CONCLUSION
We show that HIV-RNA can be detected in the semen of HIC men, with levels positively correlated with those measured concomitantly in blood plasma. HIC men should be aware of the risk of HIV genital shedding, especially if viral blips are reported.

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