《中国康复理论与实践》 ›› 2017, Vol. 23 ›› Issue (11): 1278-1283.doi: 10.3969/j.issn.1006-9771.2017.11.008

• 基础研究 • 上一篇    下一篇

电针百会、大椎、肾俞穴对SAMP8小鼠学习记忆与海马CA1区神经元突触的影响

李斐斐1, 杨珺2, 杨文丹1, 骆雍阳1, 陈慧娥1, 宋长明3, 董卫国4   

  1. 1.福建中医药大学针灸学院,福建福州市350122;
    2.甘肃省监狱管理局兰州医院,甘肃兰州市730000;
    3.福建中医药大学康复学院,福建福州市350122;
    4.福建中医药大学中西医结合学院,福建福州市350122。
  • 收稿日期:2017-06-16 出版日期:2017-11-25 发布日期:2017-12-10
  • 通讯作者: 董卫国(1977-),男,汉族,湖北红安县人,博士,副教授,硕士生导师,主要研究方向:针灸防治老年性疾病的基础与临床研究。E-mail: fjdwg601@163.com。
  • 作者简介:李斐斐(1990-),女,汉族,福建龙岩市人,硕士研究生,主要研究方向:针灸防治老年性疾病的基础与临床研究。
  • 基金资助:
    1; 国家自然科学基金项目(No.81102625); 2; 福建省自然科学基金项目(No.2017J01541); 3; 福建省中医药科研项目(No.2017FJZYJC102); 4; 2015年度福建省高等学校新世纪优秀人才支持计划项目

Effects of Electroacupuncture at Baihui, Dazhui and Shenshu Acupoints on Ability of Learning and Memory and Synapses of Neurons in Hippocampal CA1 in SAMP8 Mice

LI Fei-fei1, YANG Jun2, YANG Wen-dan1, LUO Yong-yang1, CHEN Hui-e1, SONG Chang-ming3, DONG Wei-guo4   

  1. 1. College of Acupuncture and Moxibustion, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China;
    2. Lanzhou Hospital of Gansu Provincial Prison Administration, Lanzhou, Gansu 730000, China;
    3. College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China;
    4. College of Integrated Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
  • Received:2017-06-16 Published:2017-11-25 Online:2017-12-10
  • Contact: DONG Wei-guo. E-mail: fjdwg601@163.com

摘要: 目的 观察电针百会、大椎、肾俞穴对SAMP8小鼠学习记忆与海马CA1区神经元突触的影响,探讨电针治疗阿尔茨海默病(AD)的机制。方法 7月龄SAMP8小鼠24只随机分为模型组和电针组,同龄正常老化SAMR1小鼠12只为对照组。电针组电针百会、大椎、肾俞穴30 d。Morris水迷宫检测小鼠学习记忆能力,免疫组织化学观察小鼠海马CA1区突触素(SYN)及突触后致密区蛋白95 (PSD95)的表达,透射电镜观察小鼠海马CA1区突触超微结构的变化。结果 与模型组相比,电针组逃避潜伏期缩短(P<0.05),原平台象限停留时间延长(P<0.05),穿越原平台次数增加(P<0.05),海马CA1区SYN与PSD95表达显著提高(P<0.001),突触结构较完整,数量增加。结论 电针能提高小鼠海马CA1区神经元突触蛋白的表达,改善突触的超微结构,从而有效改善SAMP8小鼠的学习记忆能力。

关键词: 阿尔茨海默病, 电针, 学习记忆, 突触素, 突触后致密区蛋白95, 小鼠

Abstract: Objective To observe the effect of electroacupuncture (EA) at Baihui (GV20), Dazhui (GV14) and Shenshu (BL23) acupoints on cognitive function and the synapse of neurons in hippocampal CA1 in SAMP8 mice, to explore the mechanism of EA in the treatment of Alzheimer's disease (AD).Methods A total of 24 seven-month-old SAMP8 mice were randomly divided into model group (n=12) and EA group (n=12), and the same age SAMR1 mice were as control group (n=12). The EA group accepted EA at Baihui, Dazhui and Shenshu for 30 days. They were assessed with Morris maze test. The expression of synaptophysin (SYN) and postsynaptic density protein 95 (PSD95) in hippocampal CA1 region were detected with immunohistochemistry. The morphology and density of synapse in hippocampal CA1 region was observed with transmission electron microscopy.Results Compared with the model group, the latency of Morris maze decreased in EA group (P<0.05), the time staying in the quadrant of the platform increased (P<0.05), as well as the number passing the original platform (P<0.05), with the more expression of SYN and PSD95 in hippocampal CA1 region (P<0.001), and more and completed synapse.Conclusion EA can improve the learning and memory ability of SAMP8 mice by increasing the expression of SYN and PSD95 to protect the ultrastructure of synapses in hippocampal CA1 region.

Key words: Alzheimer's disease, electroacupuncture, learning and memory, synaptophysin, postsynaptic density protein 95, mice

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