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Rigshospitalet - a part of Copenhagen University Hospital
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Increased proportions of B cells with spontaneous production of interleukin-10 in HIV-infected individuals are normalized during combination antiretroviral therapy: a longitudinal study

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Interleukin-10 (IL-10)-producing B cells (B10 cells) may inhibit HIV-specific T cells and are elevated in untreated HIV infection. We aimed to determine the effect of combination antiretroviral treatment (cART) on the proportion of B10 cells. Furthermore, we compared B10-cell proportions in HIV-infected progressors and viremic controllers. This was a prospective study including HIV-infected progressors, viremic controllers and healthy controls. Progressors initiating cART were followed for 6 months. Purified B cells were stimulated with CpG, alone or in combination with HIV gp120, and the proportion of B10 cells was measured by flow cytometry. Without stimulation, the B10-cell proportion was higher in progressors than in healthy controls, while viremic controllers and healthy controls had comparable proportions. Moreover, the proportion of CD24hi CD38hi transitional B cells was higher in progressors than in healthy controls. After initiation of cART, the proportion of B10 cells and transitional B cells decreased. In conclusion, progressors had elevated B10-cell proportions, while viremic controllers displayed normal proportions. After initiation of cART, the B10-cell proportion decreased. This could limit B10-cell-mediated suppression of specific CD8+ T-cell responses.

Original languageEnglish
JournalAPMIS - Journal of Pathology, Microbiology and Immunology
Volume126
Issue number2
Pages (from-to)143-151
ISSN0903-4641
DOIs
Publication statusPublished - 2018

    Research areas

  • Journal Article

ID: 52592265