article 162 controlled study 138 human 108 priority journal 108 Animals 106 nonhuman 104 Humans 96 human cell 90 animal cell 88 Mice 72 mouse 64 unclassified drug 62 metabolism 56 cell proliferation 52 cell strain 3T3 50 protein expression 50 animal 48 signal transduction 40 Cell Line 38 Cell Line, Tumor 38 cell line 36 drug effect 36 enzyme activity 34 DNA 32 apoptosis 30 genetic transfection 30 enzyme activation 28 physiology 28 Cercopithecus aethiops 26 genetics 26