cell proliferation human 223 human cell controlled study 199 Humans 177 article 156 priority journal 137 Cell Proliferation 102 protein expression 96 nonhuman 82 Animals 81 apoptosis 76 unclassified drug 75 metabolism 64 mouse 64 signal transduction 62 Cell Line, Tumor 57 animal cell 57 Article 56 Mice 56 female 53 Female 51 Apoptosis 49 animal experiment 44 enzyme activity 42 in vitro study 41 animal model 40 male 40 cell survival 39 Signal Transduction 38