Animals 77 Humans animal genetics human 77 priority journal nonhuman 75 controlled study 62 metabolism 61 animal cell 47 mouse 47 Mice 45 animal experiment 37 Article 34 protein expression 34 animal model 31 protein function 29 article 27 gene expression regulation 27 unclassified drug 27 female 26 pathology 26 human cell 25 Female 24 in vivo study 24 animal tissue 20 male 20 signal transduction 19 Male 18 drug effects 18