1-Phosphatidylinositol 3-Kinase 1 Animals 1 Apoptosis 1 Bad 1 Bcl-XL 1 Cell Survival 1 Cytochromes c 1 Down-Regulation 1 EGF 1 Epidermal Growth Factor 1 Epithelial Cells 1 Female 1 Humans 1 JNK Mitogen-Activated Protein Kinases 1 MAPKs 1 Mammary Glands, Animal 1 Mammary epithelial cell 1 Mice 1 Mitochondria 1 Phosphorylation 1 Proto-Oncogene Proteins c-akt 1 animal 1 animal cell 1 apoptosis 1 article 1 bcl-Associated Death Protein 1 bcl-X Protein 1 breast epithelium 1 cell survival 1 controlled study 1