Animals 227 Humans Mice animal cell nonhuman 227 mouse 201 controlled study 200 human 180 priority journal 177 article 173 human cell 127 protein expression 116 animal experiment 107 unclassified drug 103 animal model 97 animal 92 female 81 metabolism 80 Female 73 cell proliferation 59 signal transduction 57 animal tissue 51 Cell Line, Tumor 49 Article 48 in vitro study 48 Cell Line 46 genetics 45 male 45 Male 44 Mice, Inbred BALB C 43