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谷氨酸类似物quisqualic酸对未成熟大鼠脑的纹状体和海马具有神经毒性。

The glutamate analogue quisqualic acid is neurotoxic in striatum and hippocampus of immature rat brain.

作者信息

Silverstein F S, Chen R, Johnston M V

出版信息

Neurosci Lett. 1986 Oct 30;71(1):13-8. doi: 10.1016/0304-3940(86)90249-1.

DOI:10.1016/0304-3940(86)90249-1
PMID:3024070
Abstract

To assess the neurotoxic properties of the glutamate agonist quisqualic acid (QA) in immature brain, we injected this compound (100 nmol QA/1 microliter) directly into the striatum of 7-day-old rats. QA produced neuronal necrosis and glial infiltration in 14 pups and reduced the size of the striatum and hippocampus on the side of injection. Intracerebral injection of QA provides a new method for producing neuronal lesions in the developing brain.

摘要

为评估谷氨酸激动剂quisqualic酸(QA)对未成熟脑的神经毒性,我们将该化合物(100纳摩尔QA/1微升)直接注射到7日龄大鼠的纹状体中。QA在14只幼鼠中引起神经元坏死和胶质细胞浸润,并减小了注射侧纹状体和海马体的大小。脑内注射QA为在发育中的大脑中产生神经元损伤提供了一种新方法。

相似文献

1
The glutamate analogue quisqualic acid is neurotoxic in striatum and hippocampus of immature rat brain.谷氨酸类似物quisqualic酸对未成熟大鼠脑的纹状体和海马具有神经毒性。
Neurosci Lett. 1986 Oct 30;71(1):13-8. doi: 10.1016/0304-3940(86)90249-1.
2
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引用本文的文献

1
Specific [3H]glutamate binding in the cerebral cortex and hippocampus of rats during development: effect of homocysteine-induced seizures.发育过程中大鼠大脑皮层和海马体中特异性[3H]谷氨酸结合:同型半胱氨酸诱导癫痫发作的影响
Neurochem Res. 1997 May;22(5):637-46. doi: 10.1023/a:1022434406400.
2
Differential expression of three glutamate receptor genes in developing rat brain: an in situ hybridization study.发育中大鼠大脑中三种谷氨酸受体基因的差异表达:一项原位杂交研究。
Proc Natl Acad Sci U S A. 1991 May 15;88(10):4157-61. doi: 10.1073/pnas.88.10.4157.
3
Uneven distribution of excitatory amino acid receptors on ventral horn neurones of newborn rat spinal cord.
新生大鼠脊髓腹角神经元上兴奋性氨基酸受体的分布不均。
J Physiol. 1991 Aug;439:257-76. doi: 10.1113/jphysiol.1991.sp018666.
4
Excitatory amino acid neurotoxicity--a broader horizon for cerebral protection?兴奋性氨基酸神经毒性——脑保护的更广阔前景?
Arch Dis Child. 1992 Nov;67(11):1327-9. doi: 10.1136/adc.67.11.1327.