animal model 216 mouse nonhuman 216 protein expression animal experiment 202 controlled study 200 Animals 176 Mice 174 article 164 priority journal 162 animal cell 140 animal tissue 138 female 112 Female 92 Humans 90 human 90 male 82 human cell 66 animal 64 in vivo study 64 cell proliferation 62 unclassified drug 62 Mice, Inbred BALB C 60 Male 58 metabolism 58 Article 52 Mice, Inbred C57BL 52 signal transduction 50 apoptosis 44 protein function 44