article metabolism protein expression controlled study 127 nonhuman 102 Animals 100 animal 96 priority journal 87 animal cell 75 human 75 genetics 74 Humans 69 mouse 61 Mice 59 unclassified drug 58 protein function 50 signal transduction 50 human cell 49 physiology 48 female 46 animal experiment 44 drug effect 39 Female 38 cell line 36 messenger RNA 35 Western blotting 33 Cell Line 31 Signal Transduction 31 cytology 31 animal tissue 30