EXCITOTOXICITY AND CHOLINERGIC CHEMICAL MARKERS DURING PROGRAMMED MOTOR-NEURON DEATH

被引:2
作者
RODRIGUEZITHURRALDE, D
VINCENT, O
机构
[1] Division of Neuromyology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), C. Postal 11600 Montevideo
关键词
ACETYLCHOLINESTERASE; DEVELOPMENT; EXCITOTOXICITY; GLUTAMATE; MOTOR NEURON; SPINAL CORD; SELECTIVE VULNERABILITY;
D O I
10.1016/0022-510X(94)90176-7
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
We measured cholinergic markers and acetylcholinesterase (AChE) molecular forms after glutamate receptor stimulation of superfused slices of mouse spinal cord at different developmental ages. AChE globular forms were secreted in a dose-dependent fashion. A period of selective sensitivity to excitotoxic agents was detected by increased acetylcholine (ACh) release and AChE secretion (sAChE) at postnatal day 14. Strychnine-resistant glycine stimulation potentiated glutamate-induced AChE release, suggesting N-methyl-D-aspartate (NMDA) receptor involvement.
引用
收藏
页码:52 / 53
页数:2
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