Cell Line, Tumor Humans human protein expression controlled study 85 human cell 78 article 59 Animals 55 priority journal 52 nonhuman 51 tumor cell line 46 mouse 45 Mice 43 animal cell 41 unclassified drug 41 apoptosis 39 cell proliferation 38 metabolism 38 Article 30 Female 30 animal experiment 30 animal model 30 signal transduction 29 human tissue 28 female 27 Apoptosis 26 animal 26 protein function 26 male 24 Cell Proliferation 23