Deep sequencing and flow cytometric characterization of expanded effector memory CD8 + CD57 + T cells frequently reveals T-cell receptor Vβ oligoclonality and CDR3 homology in acquired aplastic anemia

Abstract excerpt

Oligoclonal expansion of CD8+ CD28− lymphocytes has been considered indirect evidence for a pathogenic immune response in acquired aplastic anemia. A subset of CD8+ CD28− cells with CD57 expression, termed effector memory cells, is expanded in several immune-mediated diseases and may have a role in immune surveillance. We hypothesized that effector memory CD8+CD28−CD57+ cells may drive aberrant oligoclonal...

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