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首页> 外文期刊>The European Journal of Neuroscience >Multimodal early onset stimulation combined with enriched environment is associated with reduced CNS lesion volume and enhanced reversal of neuromotor dysfunction after traumatic brain injury in rats.
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Multimodal early onset stimulation combined with enriched environment is associated with reduced CNS lesion volume and enhanced reversal of neuromotor dysfunction after traumatic brain injury in rats.

机译:多模式早期发作刺激与丰富的环境相结合,可减少大鼠中枢神经损伤后中枢神经系统病变的体积并增强神经运动功能障碍的逆转。

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Abstract This study was designed to determine whether exposure to multimodal early onset stimulation (MEOS) combined with environmental enrichment (EE) after traumatic brain injury (TBI) would improve neurological recovery and to elucidate its morphological correlates. Male Sprague-Dawley rats were subjected to lateral fluid percussion (LFP) brain injury or to sham operation. After LFP, one-third of the animals (injured and sham) were placed under conditions of standard housing (SH), one-third were kept in EE only, and one-third received EE + MEOS. Assessment of neuromotor function 24 h post-injury using a standardized composite neuroscore test revealed an identical pattern of neurological impairment in all animals subjected to LFP. Neuromotor dysfunction in SH animals remained on a similar level throughout the experiment, while improvements were noted in both other groups 7 days post-injury (dpi). On 15 dpi, reversal of neuromotor dysfunction was significantly better in EE + MEOS animals vs. SH- and EE-only groups. In parallel, the comparison of lesion volume in EE + MEOS- vs. EE-only vs. SH rats revealed that animals exposed to EE + MEOS had consistently the lowest values (mm(3), mean +/- SD; n = 6 rats in each group) as measured in serial brain sections immunostained for neuron-specific enolase (5.2 +/- 3.4
机译:摘要本研究旨在确定颅脑损伤(TBI)后多模式早期发作刺激(MEOS)结合环境富集(EE)的暴露是否会改善神经功能恢复并阐明其形态学相关性。雄性Sprague-Dawley大鼠遭受了侧面液体打击(LFP)脑损伤或假手术。 LFP后,将三分之一的动物(受伤和假手术)置于标准住房(SH)的条件下,将三分之一的动物仅放在EE中,三分之一的动物接受EE + MEOS。使用标准化的复合神经评分测试对受伤后24小时的神经运动功能进行评估,发现所有接受LFP的动物神经功能缺损的模式相同。在整个实验过程中,SH动物的神经运动功能障碍保持在相似的水平,而损伤后第7天(dpi)的其他两组患者均有改善。在15 dpi时,EE + MEOS动物的神经运动功能障碍逆转明显好于仅SH和EE组。同时,比较EE + MEOS-与仅EE与SH大鼠的病变体积,发现暴露于EE + MEOS的动物始终具有最低值(mm(3),平均值+/- SD; n = 6在连续脑切片中测量的神经元特异性烯醇酶(5.2 +/- 3.4

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