human 356 Humans 299 Article 247 controlled study 205 metabolism 188 human cell 175 genetics 168 Cell Line, Tumor 161 tumor cell line 159 nonhuman 133 unclassified drug 128 Animals 127 animal 126 cell proliferation 115 mouse 114 pathology 98 in vitro study 95 chemistry 92 female 90 Cell Proliferation 85 male 83 drug effect 81 apoptosis 80 Mice 77 protein expression 76 animal cell 72 Female 70 animal experiment 70 gene expression regulation 70 gene expression 61