Gene Expression Regulation controlled study nonhuman 154 Animals 152 priority journal 146 article 144 protein expression 100 animal cell 94 gene expression regulation 82 unclassified drug 78 Humans 72 animal experiment 72 Mice 70 animal tissue 70 metabolism 70 mouse 70 female 66 Female 60 animal 60 genetics 60 human 60 messenger RNA 58 signal transduction 56 Signal Transduction 52 male 52 Male 48 rat 48 Article 44 RNA, Messenger 42 Rats 42