when leu 3+ cells from patients with high proportions of such nk-like cells ( or leu 3+-leu 15+ cells from selected patients ) were isolated with a fluorescence-activated cell sorter , these cells did not proliferate in response to allogeneic cells or t-cell mitogens , nor did they provide help for b-cell differentiation .
C0007634
cells
C1511002
b-cell differentiation