Animals gene expression nonhuman 328 priority journal 257 article 252 controlled study 231 animal 184 mouse 168 Mice 165 animal cell 160 metabolism 153 animal experiment 145 genetics 134 Female 123 female 119 Humans 118 unclassified drug 117 animal tissue 112 messenger RNA 107 Male 106 human 103 protein expression 102 male 97 physiology 78 nucleotide sequence 77 Gene Expression 75 Article 72 gene expression regulation 65 signal transduction 64 Gene Expression Regulation 63