human cell human 50 Article 44 Humans 44 genetics 37 controlled study 35 metabolism 29 gene expression 21 unclassified drug 20 human tissue 18 adult 15 female 15 protein expression 15 Western blotting 13 in vitro study 13 major clinical study 13 pathology 13 upregulation 13 cell proliferation 12 male 12 Female 11 down regulation 11 Animals 10 Cell Line, Tumor 10 Male 10 gene expression regulation 10 nonhuman 10 tumor cell line 10 Computational Biology 9 animal 9