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The development of transgenic mouse models of amyotrophic lateral sclerosis (ALS) allows the testing of neuroprotective agents. We evaluated the effects of five agents in transgenic mice with the G93A Cu,Zn superoxide dismutase mutation. A novel inhibitor of poly(ADP-ribose) polymerase showed no effects on survival. Desmethylselegiline and CGP3466 are agents that exert antiapoptotic effects in vitro...
Mild metabolic stress can increase resistance of neurons in the brain to subsequent more severe insults, as exemplified by the beneficial effects of heat shock and ischemic preconditioning. Studies of Alzheimer's disease and other age-related neurodegenerative disorders indicate that dysfunction and degeneration of synapses occur early in the cell death process, and that oxidative stress and mitochondrial...
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