Martin Lavin & Diane Watters 
Signalling Pathways in Apoptosis [PDF ebook] 

Apoptosis, or programmed cell death, is a necessary process by which a cell may die without adversely affecting its environment. It plays a crucial role in normal development, and in the body »s defence mechanisms against disease. Too much cell death is destructive, leading to neurodegenerative diseases and impaired development. Conversely, too litt