animal genetics metabolism Animals 412 nonhuman 286 controlled study 231 article 198 priority journal 184 mouse 179 Mice 165 animal cell 156 human 154 Humans 141 Article 138 gene expression regulation 127 female 125 animal experiment 117 physiology 116 unclassified drug 113 Female 111 gene expression 108 male 105 messenger RNA 98 Male 95 protein expression 95 animal tissue 94 chemistry 84 drug effects 80 signal transduction 77 animal model 72