the level of the epstein-barr virus ( ebv ) -determined nuclear antigen ( ebna-1 ) encoded by the bam hi-k fragment of ebv dna remained unchanged in p3hr-1 cells after induction of the productive cycle of virus replication by sodium-n-butyrate and 12-o-tetradecanoylphorbol-13-acetate ( tpa ) .
C0971226
ebna-1
C2986482
cycle