Animals animal 70 metabolism protein expression signal transduction nonhuman 58 controlled study 54 Signal Transduction 51 animal cell 50 priority journal 47 mouse 40 Mice 38 human 36 Humans 33 article 33 genetics 31 Article 30 animal experiment 30 unclassified drug 29 protein function 26 pathology 24 animal model 23 cell proliferation 22 female 22 physiology 22 enzyme activation 21 mitogen activated protein kinase 1 21 mitogen activated protein kinase 3 21 Apoptosis 20 Female 20