cell proliferation human priority journal Humans 170 controlled study 147 human cell 137 article 132 Animals 87 protein expression 87 nonhuman 84 Cell Proliferation 69 signal transduction 65 Mice 60 Female 59 apoptosis 57 metabolism 56 mouse 56 animal cell 54 female 53 Apoptosis 46 unclassified drug 46 Signal Transduction 43 animal experiment 43 male 42 Male 41 protein function 40 Cell Line, Tumor 39 animal model 39 Article 38 drug effect 37