Animals 446 Mice protein expression nonhuman 420 mouse 384 controlled study 378 article 370 priority journal 346 animal cell 308 animal experiment 228 Humans 186 animal model 178 Female 176 animal tissue 164 human 162 female 152 animal 148 unclassified drug 138 metabolism 130 Male 126 male 114 Mice, Inbred BALB C 112 human cell 102 protein function 96 signal transduction 96 cell proliferation 88 messenger RNA 86 Mice, Inbred C57BL 80 enzyme activity 70 genetics 70