pathology Humans 51 human 51 Article 45 genetics 43 controlled study 39 unclassified drug 30 female 29 male 29 metabolism 29 Male 27 adult 27 Female 26 human tissue 26 major clinical study 26 middle aged 26 gene expression regulation 25 Gene Expression Regulation, Neoplastic 24 real time polymerase chain reaction 24 Middle Aged 23 gene expression 23 prognosis 22 Prognosis 20 upregulation 20 cell proliferation 19 Biomarkers, Tumor 18 aged 18 human cell 18 protein expression 18 tumor marker 18