HEK293 cell line human 50 HEK293 Cells 46 Humans 46 metabolism 42 Article 40 controlled study 40 human cell 40 unclassified drug 30 Animals 26 priority journal 26 animal 24 nonhuman 24 mouse 20 animal cell 18 drug effects 18 chemistry 16 genetics 16 signal transduction 16 Cell Line, Tumor 12 Mice 12 animal experiment 12 animal tissue 12 in vitro study 12 physiology 12 protein expression 12 protein protein interaction 12 tumor cell line 12 Signal Transduction 10 embryo 10