Female female 85 genetics Humans 82 human 82 Article 62 male 59 Male 56 adult 55 controlled study 54 gene expression regulation 54 metabolism 51 middle aged 46 Middle Aged 45 pathology 44 major clinical study 41 unclassified drug 41 Gene Expression Regulation, Neoplastic 39 gene expression 39 down regulation 31 upregulation 31 human tissue 29 aged 28 Adult 27 human cell 27 Aged 25 case control study 24 Case-Control Studies 23 blood 22 cell proliferation 22