protein expression nonhuman 92 priority journal 85 controlled study 83 Animals 77 human 73 Humans 69 article 64 unclassified drug 55 protein function 52 protein protein interaction 52 metabolism 48 animal cell 44 animal 40 mouse 40 Article 39 human cell 39 signal transduction 37 Mice 34 animal experiment 28 female 28 Female 25 enzyme activity 23 male 23 Protein Binding 20 Signal Transduction 20 animal tissue 20 cell proliferation 20 protein binding 20 protein interaction 20