human human cell protein expression controlled study 314 Humans 262 article 255 priority journal 235 nonhuman 163 Animals 144 unclassified drug 127 animal cell 123 metabolism 105 mouse 105 female 102 cell proliferation 96 Mice 94 signal transduction 94 Article 92 Female 91 animal experiment 84 male 81 protein function 81 Cell Line, Tumor 78 apoptosis 76 Cell Line 69 animal model 67 in vitro study 67 Western blotting 66 Male 58 Cell Proliferation 56