CD40 expression levels modulate regulatory T cells in Leishmania donovani infection.

Abstract excerpt

Dendritic cell (DC)-expressed CD40 is shown to play crucial roles in eliciting effector T cell responses, primarily the proinflammatory CD4(+) Th subsets and cytotoxic CD8(+) T cells that eliminate various infections and tumors, respectively. In contrast, DCs are also implied in the generation of regulatory T cells (Tregs) that counteract the functions of the proinflammatory Th subsets and exacerbate infections....

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