Chronic Human Infection with <i>Trypanosoma cruzi</i> Drives CD4+ T Cells to Immune Senescence

Abstract excerpt

Previously we found that the frequency of IFN-gamma-producing CD8(+) T cells specific for Trypanosoma cruzi inversely correlates with disease severity in chronic human Chagas disease along with low levels of IL-2-secreting CD8(+) T cells in all clinical stages. This impairment of the parasite-specific T cell responses was associated with phenotypic features of immune senescence of the CD8(+) T cell compartment....

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