it was also apparent that ifn-alpha , beta ( produced by fibroblasts ) and ifn-gamma ( produced by t lymphocytes ) activated trypanocidal activities in both 3t3 and j774 cells , although ifn-gamma was 100 to 2000 times more effective than ifn-alpha , beta on the basis of ifn antiviral units added per culture .
C0016030
fibroblasts
C0007634
cells