Caspase 3 is a member of the cysteine-aspartic acid protease family and an important mediator of apoptosis. Caspase 3 antibody reagents have been used in cancer, Alzheimer's disease and stem cell research. A recent caspase 3 antibody ELISA study showed elevated levels of the p17 caspase 3 fragment were associated with myocardial infarction in humans.