Animals Mice male metabolism mouse animal 117 Male 103 nonhuman 99 controlled study 91 animal experiment 80 Article 70 priority journal 65 animal tissue 57 animal model 50 genetics 50 animal cell 47 drug effects 47 female 45 physiology 43 article 39 protein expression 39 pathology 32 Female 31 Humans 30 human 30 Mice, Knockout 24 drug effect 24 signal transduction 24 C57BL mouse 22 Hippocampus 22