The story of CD4+ CD28- T cells revisited: solved or still ongoing?

Abstract excerpt

CD4(+)CD28(-) T cells are a unique type of proinflammatory T cells characterised by blockade of costimulatory CD28 receptor expression at the transcriptional level, which is still reversible by IL-12. In healthy individuals older than 65 years, these cells may accumulate to up to 50% of total CD4(+) T lymphocytes as in many immune-mediated diseases, immunodeficiency, and specific infectious diseases. Here we...

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