Humans 6 human 6 protein expression 6 Article 4 Dactinomycin 4 E2F Transcription Factors 4 HEK293 Cells 4 HEK293 cell line 4 Proteins 4 Tumors 4 animal cell 4 cell proliferation 4 cell survival 4 cellular stress response 4 controlled study 4 dactinomycin 4 human cell 4 in vivo study 4 metabolism 4 mouse 4 nonhuman 4 priority journal 4 protein p53 4 protein protein interaction 4 transcription factor E2F 4 transcription factor E2F1 4 ACTIVIDAD TRANSCRIPCIONAL 3 BIOGENESIS RIBOSOMAL 3 C-MYC TRANSCRIPTIONAL FACTOR 3 CELLULAR PROLIFERATION 3