Animals nonhuman 139 promoter region 134 priority journal 115 article 109 Mice 100 animal cell 100 controlled study 100 mouse 85 Humans 69 animal 67 human 65 Promoter Regions (Genetics) 61 metabolism 59 Transcription, Genetic 55 protein expression 54 unclassified drug 50 Promoter Regions, Genetic 49 genetics 48 transcription regulation 48 gene expression 47 genetic transcription 46 Cell Line 44 animal experiment 42 gene expression regulation 42 animal tissue 38 signal transduction 38 Signal Transduction 35 Gene Expression Regulation 34 Article 32