Peripheral CD8+CD25+ T lymphocytes from MHC class II-deficient mice exhibit regulatory activity.

Abstract excerpt

We characterized CD8(+) T cells constitutively expressing CD25 in mice lacking the expression of MHC class II molecules. We showed that these cells are present not only in the periphery but also in the thymus. Like CD4(+)CD25(+) T cells, CD8(+)CD25(+) T cells appear late in the periphery during ontogeny. Peripheral CD8(+)CD25(+) T cells from MHC class II-deficient mice also share phenotypic and functional...

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