the effect of cycloheximide , chloramphenicol , ethidium bromide ( eb ) , aurin tricarboxylic acid ( ata ) , and actinomycin d on the production of interferon ( ifn ) in human embryo fibroblasts ( hat ) and l929 cells , stimulated with rna from piptoporus betulinus ( pb-rna ) was studied .
C0016030
fibroblasts
C0007634
cells