Differential Expression of Cytotoxic-Associated Markers in Circulating CD4+CD28− T Cells and NK Cells in Rheumatoid Arthritis
Rheumatoid arthritis (RA) involves alterations in cytotoxic lymphoid differentiation, yet the precise phenotypic remodeling of circulating helper T cells and natural killer (NK) cells remains incompletely understood. We evaluated circulating CD4+CD28+ and CD4+CD28− T-cell subsets and NKG2A+CD56+ NK cells, alongside gra...