摘要：

Discusses the effect of apoptosis, or programmed cell death, on the nervous system. Principal components in the apoptosis program of neurons; Regulation of neuronal apoptosis through neurotophins; Possible activation of similar cell-death-signaling pathways in neurodegenerative diseases by abnormal protein structures, such as amyloid fibrils in Alzheimer's disease. INSET: Molecules implicated in the pathogenesis of Alzheimer's disease.

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