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Apoptotic activated peripheral blood T cells have high expression of CCR5. (a) Flow cytometry of the surface phenotype of peripheral blood T cells activated for 3 d by anti-CD3 (5 μg/ml). Gray bar, percent death of all cells. (b,c) Flow cytometry of CCR5 surface expression (b) and apoptotic surface phenotype (c) of T cells activated as described in a and treated for 4–48 h with staurosporine (STS). *, P < 0.05, versus late apoptotic. Results are representative of three experiments.
