Cell Cycle Checkpoints and Apoptosis: Potential for Improving Radiation Therapy. Structure and Function of Interleukin-1B Converting Enzyme. The Role of IGF-I Receptor in Apoptosis. BCL-2 Family of Proteins and the Hormonal Control of Cell Life and Death in Normalcy and Neoplasia. Pathways of P53-Dependent Apoptosis. Viral Inhibitors of Apoptosis. Chapter References. Subject Index.