human 111 human cell Article 108 Humans 105 controlled study 96 genetics 68 male 67 female 64 Male 56 adult 56 metabolism 55 Female 54 major clinical study 49 pathology 48 middle aged 45 unclassified drug 45 Middle Aged 41 upregulation 36 gene expression 35 gene expression regulation 35 human tissue 35 protein expression 35 aged 34 blood 34 Western blotting 31 cell proliferation 30 Aged 29 Gene Expression Regulation, Neoplastic 29 Cell Line, Tumor 26 down regulation 26