Apoptosis genes are responsible for initiating and executing apoptosis, which is programmed cell death.
Caspases: These are proteins that play essential roles in programmed cell death including inflammation and apoptosis.
Necrosis: This refers to premature death of cells and living tissue usually detrimental and uncontrolled unlike controlled process of apoptosis.
Bcl-2 Family Proteins: A family of proteins involved in the response to apoptosis; some members promote cell survival while others promote cell death.