human 60 human cell protein expression cell survival 52 controlled study 52 Humans 42 article 40 nonhuman 32 priority journal 32 Cell Survival 30 cell proliferation 30 signal transduction 30 apoptosis 28 animal cell 26 metabolism 26 mouse 24 protein function 24 Animals 22 animal experiment 22 animal model 22 unclassified drug 22 Apoptosis 20 female 20 Mice 18 genetics 18 phosphatidylinositol 3 kinase 18 Article 16 Cell Line, Tumor 16 Signal Transduction 16 male 16