Efficacy of N-acetyl cysteine in traumatic brain injury.

Efficacy of N-acetyl cysteine in traumatic brain injury.
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DOI:
10.1371/journal.pone.0090617
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Hoffer BJ
Hoffer BJ
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Eakin K;Baratz-Goldstein R;Pick CG;Zindel O;Balaban CD;Hoffer ME;Lockwood M;Miller J;Hoffer BJ

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在这项研究中,使用两种不同物种的两种不同损伤模型,我们发现,损伤后早期用N-乙酰半胱氨酸(NAC)治疗逆转了与TBI相关的行为缺陷。这些数据表明,将与我们最近在战场环境中使用NAC治疗爆炸诱导的mTBI的临床试验类似的方案推广到钝性创伤的轻度脑震荡。本研究使用小鼠体重下降和大鼠液压冲击损伤。这些被选择来模拟轻度或中度创伤性脑损伤(TBI)。对于小鼠,我们使用新物体识别和Y迷宫。对于大鼠,我们使用Morris水迷宫。在损伤后30-60分钟开始给予NAC。行为缺陷,由于在这两个物种的损伤显着逆转NAC治疗。因此,我们得出结论,NAC产生显着的行为恢复损伤后。未来的临床前研究需要确定作用机制,也许会导致更有效的治疗方法。
In this study, using two different injury models in two different species, we found that early post-injury treatment with N-Acetyl Cysteine (NAC) reversed the behavioral deficits associated with the TBI. These data suggest generalization of a protocol similar to our recent clinical trial with NAC in blast-induced mTBI in a battlefield setting, to mild concussion from blunt trauma. This study used both weight drop in mice and fluid percussion injury in rats. These were chosen to simulate either mild or moderate traumatic brain injury (TBI). For mice, we used novel object recognition and the Y maze. For rats, we used the Morris water maze. NAC was administered beginning 30–60 minutes after injury. Behavioral deficits due to injury in both species were significantly reversed by NAC treatment. We thus conclude NAC produces significant behavioral recovery after injury. Future preclinical studies are needed to define the mechanism of action, perhaps leading to more effective therapies in man.
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