CNS Neurosci Ther:氢气治疗脊髓损伤的机制研究

2014-06-17 孙学军 博客园

第二军医大学长征医院麻醉科学袁红斌教授课题组,前期研究证明,氢气对脊髓损伤的具有治疗作用,但对其治疗作用机制并不十分了解。最近袁红斌教授课题组进一步研究证明,氢气所以能治疗脊髓损伤,主要是通过抑制氧化损伤相关星形胶质细胞增生,并对和星形胶质细胞增生关系密切的细胞信号分子STAT3磷酸化、活性氧和相关炎症因子的变化进行的分析。该研究目前已经发表在CNS Neurosci Ther. 脊髓损伤是导

第二军医大学长征医院麻醉科学袁红斌教授课题组,前期研究证明,氢气对脊髓损伤的具有治疗作用,但对其治疗作用机制并不十分了解。最近袁红斌教授课题组进一步研究证明,氢气所以能治疗脊髓损伤,主要是通过抑制氧化损伤相关星形胶质细胞增生,并对和星形胶质细胞增生关系密切的细胞信号分子STAT3磷酸化、活性氧和相关炎症因子的变化进行的分析。该研究目前已经发表在CNS Neurosci Ther.

脊髓损伤是导致人类瘫痪的重要原因,给患者和家庭带来极大痛苦和经济负担。随着世界各国经济水平的发展,脊髓损伤发生率呈现逐年增高的趋势。在发达国家,脊髓损伤的发生率大约为13.3-45.9人/百万人/年,我国上海市1991年统计的脊髓创伤发生率为34.3人/百万人,北京市2002年脊髓创伤发病率为60人/百万人。脊髓损伤是脊柱创伤最严重的并发症,往往导致损伤节段以下肢体严重的功能障碍。脊髓损伤不仅会给患者本人带来身体和心理的严重伤害,还会对整个社会造成巨大的经济负担。在美国,由于脊髓损伤所导致的社会经济损失大约为80亿美元/年。针对脊髓损伤的预防、治疗和康复已成为当今医学界的一大课题。

值得注意的是,从目前所开展的研究看,氢气所以对脊髓损伤具有治疗作用,只是针对脊髓损伤后引起的局部组织氧化损伤、炎症反应和细胞增生产生的影响。中枢神经损伤后局部炎症是导致疾病加重的重要因素,对抗炎症和氧化损伤能产生一定效果是值得肯定的,当然动物实验结果不能直接证明人体有效,因此这方面仍需要开展临床研究确认。另外,从目前所了解治疗机制角度,氢气对脊髓损伤并不能解决神经再生的问题,因此对陈旧性脊髓损伤不可能产生效果。不过,脊髓损伤瘫痪的患者,可能存在消化道紊乱,缺乏运动带来的代谢性疾病问题,使用氢气治疗或许能产生理想效果。总之,氢气绝对不是万能药,不可能包治百病,但考虑到氢气的巨大安全性,以及其治疗基础是对抗氧化和炎症,对多种疾病都有可能产生一定效果,因此许多疾病都值得尝试。

原始出处

Liu FT1, Xu SM, Xiang ZH, Li XN, Li J, Yuan HB, Sun XJ.Molecular Hydrogen Suppresses Reactive Astrogliosis Related to Oxidative Injury during Spinal Cord Injury in Rats.CNS Neurosci Ther. 2014 Mar 31.

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    2015-03-27 lg.zhao
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    2015-03-05 lovetcm

    关键机制?

    0

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NRR:脊髓损伤患者进行跑台步行训练改善运动能力

大量证据表明,跑台步行训练能促进腰骶段脊髓完全横断大鼠脊髓通路重建,但由于无法确定动物运动功能恢复是来自于跑台步行训练还是动物的自发性步行训练,所以,对不完全损伤后跑台步行训练的效果仍有争论。 《中国神经再生研究(英文版)》杂志2013年9月第27期出版的一项研究的结果显示,第10胸椎段脊髓不完全损伤大鼠进行跑台步行训练后,脊髓损伤组织周围生长相关蛋白43的表达量明显增加,且第2腰椎脊髓纤维