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Leptin is an adipocyte-derived hormone/cytokine that modulates immune responses. It induces functional and morphological changes in human dendritic cells (DCs), licensing them towards Th1 priming and promoting DC survival. Here we found that leptin protects DCs from spontaneous, UVB and H 2 O 2 -induced apoptosis, by triggering the activation of nuclear factor-kappa B (NF-kB) and a...
Human immunodeficiency virus (HIV)-1 Nef protein is an essential modulator of AIDS pathogenesis and we have previously demonstrated that rNef enters uninfected human monocytes and induces T cells bystander activation, up-regulating IL-15 production. Since dendritic cells (DCs) play a central role in HIV-1 primary infection we investigated whether rNef affects DCs phenotypic and functional maturation...
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