mouse protein function 172 nonhuman 168 controlled study 162 Animals 144 animal cell 138 priority journal 134 Mice 130 article 124 protein expression 104 animal experiment 94 unclassified drug 88 animal 74 human 74 animal model 70 metabolism 68 Humans 64 animal tissue 60 genetics 52 male 50 female 48 signal transduction 48 Female 46 protein analysis 46 human cell 44 Article 42 protein protein interaction 40 cell proliferation 38 Male 34 enzyme activity 34