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首页> 外文期刊>Neurochemistry International: The International Journal for the Rapid Publication of Critical Reviews, Preliminary and Original Research Communications in Neurochemistry >Quantitative immunochemistry on neuronal loss, reactive gliosis and BBB damage in cortex/striatum and hippocampus/amygdala after systemic kainic acid administration.
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Quantitative immunochemistry on neuronal loss, reactive gliosis and BBB damage in cortex/striatum and hippocampus/amygdala after systemic kainic acid administration.

机译:全身性海藻酸给药后,皮质/纹状体和海马/杏仁核的神经元丢失,反应性神经胶质细胞增生和BBB损伤的定量免疫化学分析。

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摘要

Cell specific markers were quantified in the hippocampus, the amygdala/pyriform cortex, the frontal cerebral cortex and the striatum of the rat brain after systemic administration of kainic acid. Neuron specific enolase (NSE) reflects loss of neurons, glial fibrillary acidic protein (GFAP) reflects reactive gliosis, and brain levels of serum proteins measures blood-brain-barrier permeability. While the concentration of NSE remained unaffected in the frontal cerebral cortex and the striatum, their GFAP content increased during the first three days. In the hippocampus and amygdala, NSE levels decreased significantly. GFAP levels in the hippocampus were unaffected after one day and decreased in the amygdala/pyriform cortex. After that, GFAP increased strikingly until day 9 or, in the case of amygdala/pyriform cortex, even longer. This biphasic time course for GFAP was accompanied by a decrease of S-100 during days 1-9 followed by a significant increase at day 27 above the initial level. The regional differences in GFAP and S-100 could result from the degree of neuronal degeneration, the astrocytic receptor set-up and/or effects on the blood-brain barrier.
机译:全身施用海藻酸后,在海马,杏仁核/梨状皮层,额叶大脑皮层和纹状体中定量细胞特异性标记物。神经元特异性烯醇化酶(NSE)反映了神经元的丧失,神经胶质原纤维酸性蛋白(GFAP)反映了反应性神经胶质增生,血清蛋白的大脑水平衡量了血脑屏障的通透性。虽然NSE的浓度在额叶大脑皮层和纹状体中不受影响,但它们的GFAP含量在前三天内有所增加。在海马和杏仁核中,NSE水平显着下降。一天后,海马中的GFAP水平未受影响,杏仁核/梨形皮质中的GFAP水平下降。此后,GFAP显着增加直至第9天,对于杏仁核/梨形皮层,则持续更长时间。 GFAP的这种双相时程伴随着S-100在第1-9天下降,随后在第27天比初始水平显着上升。 GFAP和S-100的区域差异可能是由于神经元变性程度,星形细胞受体的建立和/或对血脑屏障的影响所致。

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