protein expression unclassified drug signal transduction 104 priority journal 92 nonhuman 90 Animals 82 article 82 controlled study 82 Humans 72 human 72 Signal Transduction 68 animal cell 60 protein function 56 mouse 44 metabolism 42 human cell 40 Female 38 Mice 38 messenger RNA 36 animal 32 animal experiment 32 animal tissue 28 cell proliferation 26 enzyme activity 26 female 26 protein binding 24 Cell Line, Tumor 22 Male 22 Phosphorylation 22 apoptosis 22