Animals animal 232 genetics human Humans 206 metabolism 162 nonhuman 158 controlled study 122 mouse 98 Mice 92 priority journal 86 article 82 animal cell 78 Article 72 female 68 unclassified drug 68 protein expression 66 animal experiment 64 gene expression regulation 64 Female 58 animal model 56 male 54 human cell 52 pathology 52 physiology 50 chemistry 48 protein function 48 Male 46 drug effects 44 signal transduction 40