human 95 human cell Article 89 controlled study 80 Humans 73 genetics 71 unclassified drug 56 metabolism 53 gene expression 49 gene expression regulation 47 upregulation 41 cell proliferation 39 down regulation 39 male 38 pathology 38 female 37 human tissue 35 protein expression 35 Gene Expression Regulation, Neoplastic 33 adult 31 Female 30 Male 30 Western blotting 30 in vitro study 30 Cell Proliferation 29 nonhuman 29 Cell Line, Tumor 27 apoptosis 27 tumor cell line 27 Animals 22