using cdna probes to human interleukin 2 ( il2 ) and interleukin 2 receptor ( il2r ) , the amount of il2 and il2r mrna produced by pha stimulated peripheral blood mononuclear cells from young ( less than 40 yr ) and old ( greater than 60 yr ) donors was quantitated .
C0086418
human
C0021756
il2