Hela Cells article 72 Humans 70 human 62 priority journal 58 human cell 52 controlled study 42 HeLa cell 38 nonhuman 38 unclassified drug 38 Animals 36 Mice 28 Transfection 26 animal cell 26 Cell Line 24 COS Cells 20 Molecular Sequence Data 20 Protein Binding 20 metabolism 20 nucleotide sequence 20 Protein Structure, Tertiary 18 genetic transfection 18 promoter region 18 protein expression 18 Amino Acid Sequence 16 Blotting, Western 16 Cercopithecus aethiops 16 chemistry 16 gene expression regulation 16 transcription regulation 16