Article controlled study human Humans 126 genetics 111 unclassified drug 82 female 80 metabolism 79 gene expression regulation 77 adult 76 male 75 gene expression 74 human cell 74 pathology 62 Female 59 human tissue 59 upregulation 59 protein expression 57 Gene Expression Regulation, Neoplastic 54 down regulation 54 Male 52 major clinical study 52 middle aged 47 nonhuman 45 cell proliferation 44 Middle Aged 43 real time polymerase chain reaction 37 microRNA 35 Animals 33 animal 33