human tissue human 260 controlled study 198 Humans 182 article 182 priority journal 164 human cell 112 Female 106 adult 104 female 104 protein expression 100 male 96 Male 84 nonhuman 84 Adult 74 Animals 72 Article 64 metabolism 60 Middle Aged 58 unclassified drug 58 cell proliferation 56 signal transduction 50 clinical article 48 animal cell 46 mouse 46 Cell Line, Tumor 44 Mice 42 genetics 42 animal 40 messenger RNA 40