article 36 controlled study 34 human 34 Humans 32 transcription factor E2F1 26 unclassified drug 24 Animals 22 nonhuman 22 priority journal 20 E2F1 Transcription Factor 18 human cell 18 protein expression 18 transcription regulation 18 DNA-Binding Proteins 16 metabolism 16 animal cell 14 cell proliferation 14 signal transduction 14 upregulation 14 Cell Cycle Proteins 12 DNA Damage 12 DNA Repair 12 Signal Transduction 12 animal 12 binding site 12 mouse 12 ATM protein 10 Binding Sites 10 Cell Cycle 10 Cell Line 10