Journal
BIOCHIMIE
Volume 84, Issue 2-3, Pages 223-231Publisher
EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/S0300-9084(02)01372-X
Keywords
cell death; mitochondria; caspase; sympathetic neuron; NGF
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Programmed cell death (PCD) contributes to development, maintenance, and pathology in various tissues, including the nervous system. Many molecular, biochemical, and genetic events occur within cells undergoing PCD. Some of these events are incompatible with long-term cell survival because they have irreversible, catastrophic consequences. The onset of such changes marks the point of no return, a decisive regulatory event termed 'the commitment-to-die.' In this review, we discuss events that underlie the commitment-to-die in nerve growth factor-deprivation-induced death of sympathetic neurons. Findings in this model system implicate the mitochondrion as an important site of regulation for the commitment-to-die in the presence or absence of caspase inhibition. (C) 2002 Societe francaise de biochimie et biologic moleculaire / Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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