Article genetics 410 nonhuman 410 controlled study 388 metabolism 320 priority journal 284 Animals 254 animal 254 human 238 Humans 210 unclassified drug 152 female 146 male 136 gene expression 126 mouse 122 animal cell 118 physiology 118 Female 114 gene expression regulation 112 Male 110 animal experiment 104 protein expression 104 chemistry 98 drug effects 98 animal tissue 88 Mice 84 adult 84 human cell 84 messenger RNA 84 signal transduction 72