Humans human mouse protein expression nonhuman 119 Animals 117 controlled study 113 Mice 108 animal cell 89 priority journal 87 article 77 animal experiment 76 human cell 75 animal 66 animal model 65 unclassified drug 65 metabolism 62 female 54 Female 50 Cell Line, Tumor 45 genetics 42 Article 40 animal tissue 36 male 34 in vivo study 33 protein function 33 Male 31 cell proliferation 31 signal transduction 31 apoptosis 28