Animals Mice animal tissue nonhuman 467 mouse 447 controlled study 406 priority journal 373 article 365 animal experiment 354 animal model 276 male 214 animal cell 213 female 207 Female 199 Male 197 animal 160 protein expression 155 metabolism 124 Mice, Inbred BALB C 118 Article 100 Mice, Inbred C57BL 99 unclassified drug 96 Humans 94 signal transduction 87 human 77 cell proliferation 76 enzyme activity 75 immunohistochemistry 74 messenger RNA 70 in vitro study 67