protein function 95 Article 73 controlled study 63 human 62 nonhuman 50 Humans 45 protein expression 40 metabolism 39 male 37 genetics 35 unclassified drug 35 female 31 adult 30 Animals 25 animal experiment 25 animal 23 mouse 22 pathology 22 human cell 21 human tissue 21 Male 20 Western blotting 20 animal tissue 19 animal cell 18 animal model 18 gene expression 18 signal transduction 18 upregulation 18 Female 16 cell proliferation 16