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Qualitative and quantitative HIV antibodies and viral reservoir size characterization in vertically infected children with virological suppression
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Edité par CCSD ; Oxford University Press (OUP) -
International audience. Background: Absence of detectable viraemia after treatment cessation in some vertically HIV-infected (VHIV) children suggests that early initiation of HAART could lead to functional cure.Objectives: We described the factors associated with HIV antibody levels and the viral reservoir size in HAART-treated VHIV children.Methods: Study included 97 VHIV children with virological suppression, in Bamako, Mali. The anti-gp41 antibody activities and HIV serostatus were assessed. The viral reservoir size was measured by quantifying total cell-associated HIV DNA.Results: Among the children studied, the median total HIV DNA level was 445 copies/106 cells (IQR = 187–914) and the median anti-gp41 antibody activity was 0.29 OD (IQR = 0.18–0.75). Low activity of anti-gp41 antibodies was associated with a younger age of HAART initiation (P = 0.01). Overall, eight HIV-1 seroreversions were identified.Conclusions: Study identified potential candidates with low viral reservoir and low antibody levels or activities for future trials aiming to reduce HIV-1 reservoir to limit HAART duration.
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