Animals protein expression nonhuman 196 signal transduction 186 priority journal 174 article 154 controlled study 152 animal cell 138 Signal Transduction 126 Humans 118 mouse 118 Mice 114 human 100 animal 82 unclassified drug 82 animal experiment 80 metabolism 78 protein function 78 animal tissue 70 Female 62 animal model 60 female 54 messenger RNA 54 cell proliferation 52 human cell 46 Male 44 enzyme activation 42 rat 40 male 38 Apoptosis 36