IL-27 confers a protumorigenic activity of regulatory T cells via CD39 [Immunology and Inflammation]

Expression of ectonucleotidase CD39 contributes to the suppressive activity of Foxp3+ regulatory T cells (Tregs) by hydrolyzing immunogenic ATP into AMP. The molecular mechanism that drives CD39 expression on Tregs remains elusive. We found that tumor-infiltrating Tregs (Ti-Tregs) failed to up-regulate CD39 in mice lacking EBI3 subunit of IL-27 or...

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