genetics metabolism 260 nonhuman 180 controlled study 176 animal 162 Animals 160 article 156 human 148 gene expression regulation 146 Humans 136 priority journal 120 genetic transcription 114 Article 112 gene expression 98 messenger RNA 98 unclassified drug 96 transcription factor 88 mouse 80 physiology 80 animal cell 78 protein expression 78 Transcription, Genetic 76 Transcription Factors 70 reverse transcription polymerase chain reaction 70 Mice 68 promoter region 68 RNA, Messenger 64 signal transduction 64 female 60 nucleotide sequence 60