首页> 外文期刊>Brain research >Effect of electrical stimulation of sciatic nerve on synaptic plasticity of spinal dorsal horn and spinal c-fos expression in neonatal, juvenile and adult rats.
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Effect of electrical stimulation of sciatic nerve on synaptic plasticity of spinal dorsal horn and spinal c-fos expression in neonatal, juvenile and adult rats.

机译:坐骨神经电刺激对新生,幼年和成年大鼠脊髓背角突触可塑性和脊髓c-fos表达的影响。

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摘要

To explore the response to nociceptive stimuli in spinal cord of immature rat and observe the electrical stimulation of the sciatic nerve on synaptic plasticity of the spinal dorsal horn and spinal c-fos expression in rats of different ages, MK-801 was added to the spinal cord of rats, and the resulting changes in field potential as well as c-fos expression were recorded. LTP in neonatal rats was mainly evoked by A-type nerve fibers, whereas LTP in juvenile and adult rats was mainly evoked by C-type nerve fibers. C-fos expression was significantly increased in the superficial and deep layers of the spinal dorsal horn and in the ventral horn in neonatal rats indicating that the pain signal changed with age.
机译:为了探讨未成熟大鼠脊髓对伤害感受性刺激的反应,并观察坐骨神经对不同年龄大鼠脊髓背角突触可塑性和脊髓c-fos表达的电刺激,在脊髓中添加了MK-801记录大鼠的脊髓,并记录由此产生的场势以及c-fos表达的变化。新生大鼠的LTP主要由A型神经纤维引起,而幼年和成年大鼠的LTP主要由C型神经纤维引起。新生大鼠的脊髓背角的浅层和深层以及腹角的C-fos表达显着增加,表明疼痛信号随年龄而变化。

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