we investigated human leucocytes and found that neutrophils , monocytes , cytotoxic t lymphocytes ( ctl ) , natural killer ( nk ) cells [ large granular lymphocytes ( lgl ) ] , and interleukin 2 activated killer ( lak ) cells , which all display efficient cytotoxic capacity , show only marginal blt esterase activity .
C0086418
human
C0021756
interleukin 2