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- W1879288376 abstract "Abstract Highly-active antiretroviral therapy (HAART) has lead to a dramatic decrease in the morbidity of patients infected with the human immunodeficiency virus (HIV). However, metabolic side effects, including lipodystrophy-associated (LD-associated) dyslipidemia, have been reported in patients treated with antiretroviral therapy. This study was designed to determine whether successful HAART was responsible for a dysregulation in the homeostasis of tumor necrosis factor- (TNF-), a cytokine involved in lipid metabolism. Cytokine production was assessed at the single cell level by flow cytometry after a short-term stimulation of peripheral blood T cells from HIV-infected (HIV+) patients who were followed during 18 months of HAART. A dramatic polarization to TNF- synthesis of both CD4 and CD8 T cells was observed in all patients. Because it was previously shown that TNF- synthesis by T cells was highly controlled by apoptosis, concomitant synthesis of TNF- and priming for apoptosis were also analyzed. The accumulation of T cells primed for TNF- synthesis is related to their escape from activation-induced apoptosis, partly due to the cosynthesis of interleukin-2 (IL-2) and TNF-. Interestingly, we observed that LD is associated with a more dramatic TNF- dysregulation, and positive correlations were found between the absolute number of TNF- CD8 T-cell precursors and lipid parameters usually altered in LD including cholesterol, triglycerides, and the atherogenic ratio apolipoprotein B (apoB)/apoA1. Observations from the study indicate that HAART dysregulates homeostasis of TNF- synthesis and suggest that this proinflammatory response induced by efficient antiretroviral therapy is a risk factor of LD development in HIV+ patients." @default.
- W1879288376 created "2016-06-24" @default.
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- W1879288376 date "2000-05-15" @default.
- W1879288376 modified "2023-10-11" @default.
- W1879288376 title "Alteration of tumor necrosis factor–α T-cell homeostasis following potent antiretroviral therapy: contribution to the development of human immunodeficiency virus–associated lipodystrophy syndrome" @default.
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- W1879288376 doi "https://doi.org/10.1182/blood.v95.10.3191" @default.
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