WILLIAM A. FAUBION AND GREGORY J. GORES The only thing certain in life is death.
Indeed, among the bustle of mitosis and growth, the process of removal of senescent,
damaged, or otherwise unwanted cells by apoptosis is simply a matter of business for the
organism. Therefore, it is not surprising that nature has not left cell death to chance, but has
developed finely tuned mechanisms for cellular disassembly. Analogous to growth
regulation by growth factors and receptors, a complementary process exists to regulate cell …