Humans article human 97 controlled study 81 priority journal 67 Animals 61 human cell 55 nonhuman 52 unclassified drug 41 metabolism 31 Mice 30 protein expression 28 animal cell 27 Female 26 mouse 25 Cell Line, Tumor 24 Male 23 signal transduction 23 female 22 male 22 Cell Line 21 animal 19 genetics 19 physiology 19 protein function 18 Protein Binding 17 adult 17 messenger RNA 17 Adult 16 protein protein interaction 16