Abstract:Infant, when compared to adult, CD4+ T cell responses are characterized by a T helper 2 bias and reduced IFN-γ production. We hypothesized that the (1) expression of genes important in TCR signaling is age-dependent and (2) transcription factors involved in cytokine signaling (e.g. signal transducer and activator of transcription (STATs), are differentially activated in infant and adult CD4+ T cells. Naïve and differentiated CD4+ T cells from 2 to 6 months old infant rhesus macaques were FACS-purified, stimul… Show more
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