metabolism genetics 208 human 166 Humans 162 gene expression regulation 155 Article 122 controlled study 109 Animals 95 animal 95 gene expression 81 pathology 76 unclassified drug 70 nonhuman 69 male 64 Gene Expression Regulation, Neoplastic 63 female 63 mouse 61 cell proliferation 59 Female 58 Cell Line, Tumor 55 tumor cell line 55 upregulation 55 Cell Proliferation 53 human cell 53 Male 51 adult 51 protein expression 51 Mice 46 down regulation 46 microRNA 45