HCV and HBV affect NK cell subsets according to the status of the diseases, especially CD3(-)CD56(dim)NKG2A(+) and CD3(-)CD56(bright)NKG2A(+) cells, may be of interest for disease monitoring.
This study provides new insights into the histological localization of Treg within HCV-infected liver, with a special accumulation of CD4(+)FoxP3(+)Treg cells in necro-inflammatory areas, in contact with CD8(+)T cells. Our results suggest a link between Treg, CD8, and IL-10 which altogether could balance immune responses against the virus to avoid immunopathogenesis.
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