Article controlled study human human cell Humans 168 metabolism 138 priority journal 128 nonhuman 108 unclassified drug 98 protein expression 90 in vitro study 74 Animals 70 drug effects 70 animal 68 animal cell 68 mouse 66 female 64 genetics 56 cell proliferation 54 signal transduction 54 animal experiment 52 male 50 tumor cell line 50 Cell Line, Tumor 48 Female 48 cell line 44 chemistry 44 pathology 44 animal model 42 apoptosis 42