nonhuman protein function priority journal 342 controlled study 321 Animals 312 article 299 protein expression 242 unclassified drug 216 human 191 animal cell 187 Humans 173 mouse 153 metabolism 137 animal experiment 128 Mice 122 animal 113 signal transduction 103 animal tissue 97 protein analysis 97 Article 86 male 83 genetics 81 Female 78 animal model 78 female 77 protein protein interaction 75 rat 74 protein localization 70 protein binding 68 Rats 66