animal cell article female mouse nonhuman 212 controlled study 188 Mice 176 Animals 174 animal experiment 163 priority journal 163 Female 152 animal model 136 animal tissue 98 Mice, Inbred BALB C 92 protein expression 87 cell proliferation 60 human 60 male 57 Humans 55 animal 54 unclassified drug 54 signal transduction 51 metabolism 48 Animalia 37 in vitro study 37 messenger RNA 36 Signal Transduction 34 human cell 34 protein function 33 Male 31