Female controlled study female 63 human 62 Humans 61 Article 60 genetics 54 adult 49 male 48 Male 45 gene expression regulation 42 Middle Aged 40 middle aged 40 gene expression 38 unclassified drug 38 major clinical study 37 metabolism 36 pathology 32 Gene Expression Regulation, Neoplastic 29 down regulation 29 human cell 28 upregulation 28 human tissue 27 aged 25 Adult 23 Aged 22 protein expression 22 blood 21 case control study 21 Case-Control Studies 20