article 127 Animals 89 nonhuman 87 controlled study 78 priority journal 78 Humans 56 human 49 Time Factors 46 unclassified drug 46 animal cell 45 Mice 38 mouse 38 metabolism 37 animal 34 protein expression 33 human cell 31 signal transduction 30 Female 29 messenger RNA 28 Male 27 genetics 27 male 27 Signal Transduction 25 FACTORES AMBIENTALES 24 animal experiment 24 female 24 transcription factor 24 transcription regulation 22 DNA-Binding Proteins 21 promoter region 21