Mice mouse Animals 820 nonhuman 790 controlled study 674 article 660 priority journal 646 animal cell 550 animal experiment 454 protein expression 384 animal 360 animal model 306 animal tissue 304 metabolism 298 Female 284 female 284 Humans 274 human 250 unclassified drug 246 Male 222 male 222 signal transduction 190 Mice, Inbred BALB C 182 genetics 170 Article 158 human cell 158 cell proliferation 156 Mice, Inbred C57BL 134 messenger RNA 134 Signal Transduction 132