apoptosis cell survival 87 controlled study 79 Apoptosis 72 priority journal 70 human 69 article 66 Humans 60 nonhuman 60 Cell Survival 56 Animals 54 human cell 54 protein expression 53 animal cell 42 Mice 36 mouse 36 signal transduction 35 cell death 34 Cell Line, Tumor 33 female 32 cell viability 31 metabolism 30 protein bcl 2 30 cell proliferation 27 Article 26 caspase 3 26 Female 23 Signal Transduction 23 phosphatidylinositol 3 kinase 23 protein phosphorylation 22