animal tissue metabolism mouse nonhuman Animals 152 animal 152 controlled study 146 Mice 128 priority journal 124 animal experiment 123 Article 104 animal cell 81 animal model 81 male 79 physiology 71 female 70 genetics 60 Male 59 Female 58 unclassified drug 54 article 52 drug effects 51 protein expression 48 C57BL mouse 43 Mice, Inbred C57BL 43 messenger RNA 42 pathology 40 signal transduction 40 gene expression 37 Humans 36