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[在预期应激背景下,大鼠暴露于安定类镇静剂后脊髓前角神经元 - 神经胶质系统中的蛋白质浓度]

[Protein concentration in the neuron--neuroglia system of the anterior horns of the spinal cord in rats following exposure to the tranquilizer diazepam against a background of anticipation stress].

作者信息

Pevzner L Z, Iakoubek B

出版信息

Tsitologiia. 1978 Feb;20(2):225-8.

PMID:567861
Abstract

Anticipation stress was induced in 16 day-old male rats by placing the animals daily for 7 days into individual cells for 45 min. In the end of each 45 min session, an electric stimulation of paws of the animals was done for 2 min. It was shown by visible cytospectrophotometry of amido black-stained spinal cord sections that the anticipation stress for 7 days resulted in an accumulation of the nuclear and cytoplasmic total proteins in the motoneurons of spinal cord anterior horns, with no changes in the body (in fact, in the nuclei) of the glial cells adjacent to the neurons. Intraperitoneal injection of the tranquilizer diazepam (10 mg per kg) 40 min. before the beginning of the last anticipation stress session gave rise to the return to the normal of the protein content per cell in the motoneuron nucleus and cytoplasm while inducing an increase in the quantity of neuroglia cell protein. Differences in the protein metabolism between the neurons and the neuroglia are discussed.

摘要

通过将16日龄雄性大鼠每天置于单独的笼子中45分钟,持续7天,诱导其产生预期应激。在每次45分钟的实验结束时,对动物的爪子进行2分钟的电刺激。通过对氨基黑染色的脊髓切片进行可见细胞分光光度法显示,7天的预期应激导致脊髓前角运动神经元的细胞核和细胞质总蛋白积累,而与神经元相邻的神经胶质细胞的主体(实际上是细胞核)没有变化。在最后一次预期应激实验开始前40分钟腹腔注射安定(每公斤10毫克),可使运动神经元细胞核和细胞质中每个细胞的蛋白质含量恢复正常,同时诱导神经胶质细胞蛋白质数量增加。文中讨论了神经元和神经胶质细胞之间蛋白质代谢的差异。

相似文献

1
[Protein concentration in the neuron--neuroglia system of the anterior horns of the spinal cord in rats following exposure to the tranquilizer diazepam against a background of anticipation stress].[在预期应激背景下,大鼠暴露于安定类镇静剂后脊髓前角神经元 - 神经胶质系统中的蛋白质浓度]
Tsitologiia. 1978 Feb;20(2):225-8.
2
[Effect of hyperoxia on RNA and protein concentration in cortical and spinal motor neurons and surrounding neuroglia].[高氧对皮质和脊髓运动神经元及周围神经胶质细胞中RNA和蛋白质浓度的影响]
Ukr Biokhim Zh. 1977 Mar-Apr;49(2):34-7.
3
Cytospectrophotometric evaluation of Amido Black staining of proteins in nervous tissue cells.神经组织细胞中蛋白质氨基黑染色的细胞分光光度法评估
Microsc Acta. 1979 Nov;82(3):207-14.
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Topochemical aspects of nucleic-acid and protein metabolism within the neuron-neuroglia unit of the hypothalamic supraoptic nucleus.下丘脑视上核神经元 - 神经胶质细胞单元内核酸和蛋白质代谢的拓扑化学方面
Am J Anat. 1981 Apr;160(4):473-9. doi: 10.1002/aja.1001600410.
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Changes of the protein metabolism in rat spinal motoneurons and perineuronal glial cells induced by anticipation stress and the administration of diazepam. A cytospectrophotometric and autoradiographic study.预期应激和地西泮给药诱导大鼠脊髓运动神经元和神经周胶质细胞蛋白质代谢的变化。细胞分光光度法和放射自显影研究。
Neuroscience. 1979;4(8):1179-86. doi: 10.1016/0306-4522(79)90200-8.
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[Concentration of acid proteins in the nuclei of rat hypothalamic neuron and glial cell nuclei during cold adaptation].[冷适应过程中大鼠下丘脑神经元细胞核和神经胶质细胞核中酸性蛋白的浓度]
Biull Eksp Biol Med. 1978 Aug;86(8):187-90.
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[Scanning intergrating cytospectophotometry of tightly apposed micro-objects (as an example, a study of the circadian rhythm of RNA and protein concentrations in different neuron--neuroglia systems)].紧密相邻微观物体的扫描积分细胞分光光度法(示例:不同神经元 - 神经胶质细胞系统中RNA和蛋白质浓度的昼夜节律研究)
Tsitologiia. 1976 Apr;18(4):470-5.
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[Cytochemical study of proteins and RNA in individual spinal cord motor neurons and intervertebral ganglion neurons of rats following space flight].[大鼠太空飞行后脊髓运动神经元和椎间神经节神经元中蛋白质和RNA的细胞化学研究]
Kosm Biol Aviakosm Med. 1977 Jul-Aug;11(4):24-8.
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[Protein and ribonucleic acid metabolism in the central nervous system of rats during space flight in the "Kosmos-605" satellite].["“宇宙-605”卫星太空飞行期间大鼠中枢神经系统中的蛋白质和核糖核酸代谢"]
Kosm Biol Aviakosm Med. 1976 Jul-Aug;10(4):14-9.
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[Nucleic acid and protein concentration in the anterior horn cells of the spinal cord in rats during prolonged motor activity coupled with sleep deprivation].[长时间运动活动并伴有睡眠剥夺的大鼠脊髓前角细胞中的核酸和蛋白质浓度]
Tsitologiia. 1980 Jun;22(6):666-9.