Humans female protein expression human 142 Female 139 controlled study 139 priority journal 116 article 97 human cell 87 Animals 82 nonhuman 82 metabolism 77 Mice 65 mouse 65 animal cell 62 animal experiment 62 adult 59 Article 54 animal model 53 male 49 unclassified drug 48 Male 47 in vitro study 45 Adult 43 genetics 43 animal 41 human tissue 41 Pregnancy 38 apoptosis 38 cell proliferation 38