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在雷特综合征小鼠中,强烈的深度大脑刺激挽救了海马内存

Shuang Hao^1,2, Bin Tang^1,2, Zhenyu Wu^1,2

¹Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas 77030, USA.

|October 16, 2015

概括

在Rett综合征 (RTT) 的小鼠模型中,对fimbria-fornix进行深度大脑刺激 (DBS) 改善了记忆和学习. 这种方法可能为RTT和类似智力障碍的认知缺陷提供新的治疗方法.

科学领域:

神经科学
神经学
遗传学

背景情况:

深度大脑刺激 (DBS) 显然有助于提高认知能力,尤其是在记忆方面.
在阿尔茨海默病模型中,Forniceal DBS改善了依赖海马的记忆.
像雷特综合征这样的智力障碍会严重影响认知功能.

研究的目的:

在Rett综合征 (RTT) 的小鼠模型中研究forniceal DBS在减轻认知缺陷方面的疗效.
探索DBS作为潜在的智力障碍治疗策略.

主要方法:

使用Rett综合征 (RTT) 的特征很好的小鼠模型.
进行深度大脑刺激 (DBS).
评估认知功能, 包括情境恐惧记忆和空间学习,

主要成果:

在RTT小鼠中,Forniceal DBS显著挽救了背景恐惧记忆.
通过DBS改善了空间学习和记忆.
在体内恢复海马长期增强和海马神经发生.

结论:

在改善与雷特综合征相关的认知功能障碍方面,Forniceal DBS具有潜力.
刺激参与学习和记忆的神经回路可能是智力障碍的可行治疗途径.

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