Animals animal 516 genetics article 288 metabolism 272 nonhuman 254 controlled study 196 female 178 physiology 170 male 162 priority journal 162 Female 158 Male 156 human 140 mouse 140 Humans 130 Mice 128 animal cell 126 Article 118 gene expression regulation 100 animal experiment 98 unclassified drug 92 gene expression 90 protein expression 84 Drosophila melanogaster 82 messenger RNA 82 animal tissue 70 chemistry 70 Argentina 68 phenotype 68