Animals 96 animal article metabolism protein expression controlled study 89 nonhuman 86 animal cell 75 mouse 61 priority journal 60 Mice 59 genetics 55 animal experiment 41 human 40 unclassified drug 37 messenger RNA 35 physiology 35 Humans 34 female 34 signal transduction 33 drug effect 32 animal tissue 30 Female 28 animal model 28 Western blotting 27 protein function 27 cell line 25 gene expression regulation 25 Signal Transduction 24 human cell 24