Animals animal cell article female nonhuman 329 controlled study 289 Female 273 priority journal 266 animal experiment 201 Mice 178 mouse 174 animal tissue 146 animal model 135 protein expression 117 Rats 109 rat 103 male 98 Mice, Inbred BALB C 90 Male 81 animal 80 cell proliferation 79 Humans 74 signal transduction 71 Rats, Sprague-Dawley 70 metabolism 70 unclassified drug 68 Animalia 67 human 65 Cells, Cultured 58 messenger RNA 56