[Biological characteristics of cord blood natural killer cells induced and amplified with IL-2 and IL-15].


This study was purposed to investigate the amplification of CD3(-)CD56(+)NK cells in umbilical cord blood and their change of immunophenotype and cytotoxicity after stimulation with IL-2 and IL-15. Mononuclear cells were isolated from umbilical cord blood and cultured in serum-free medium supplemented with IL-2 or (and) IL-15 for 14 d. The subset level of… (More)


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