创伤后应激障碍样大鼠海马区 p38MAPK 的改变

庞雨婷, 邢文龙, 张桂青

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石河子大学学报 ›› 2017, Vol. 35 ›› Issue (5) : 580-584. DOI: 10.13880/j.cnki.65- 1174/n.2017.05.010
医学·药学

创伤后应激障碍样大鼠海马区 p38MAPK 的改变

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Changes of p38MAPK in hippocampus of Rats after Post-travmatic stress

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摘要

为探讨精神创伤后应激障碍样大鼠海马区 p38 丝裂原活化蛋白激酶(p38MAPK)的改变及其意义。采用将 Wistar 大鼠随机分为 4 组的方法:空白对照组、PTSD 1 d 组、PTSD 4 d 组、PTSD 7 d 组,每组各 8 只。PTSD 组建立 SPS 模 型,采用旷场实验、Morris 水迷宫等方法检验各组大鼠造模前后的行为学指标变化并评估造模效果,采用逆转录酶 - 多聚酶链反应(RT-PCR)及蛋白质免疫印迹法(Western blot)测定各组大鼠海马组织中 p38MAPK 的水平变化。结果显 示:应激后大鼠海马区 p38MAPK 水平升高,差异具有统计学意义(P<0.05)。由此可知,创伤后应激障碍大鼠海马区 p38MAPK 升高,可能与学习及记忆功能受损有关。

Abstract

To investigate the changes and significance of p38MAPK in hippocampus of post-traumatic stress rats. Wistar rats were randomly divided into 4 groups: control group, PTSD 1d group, PTSD 4d group and PTSD 7d group, 8 rats in each group. PTSD group was used to establish SPS model. The behavioral indexes of the rats were measured by open field experiment and Morris water maze. The reverse press of p38MAPK in hippocampus was detected by RT-PCR and Western blot. The results showed that the levels of p38MAPK in the hippocampus of rats after stress were significantly increased(P<0. 05). The conclusion is that the increase of p38MAPK in the hippocampus of rats with post-traumatic stress disorder may lead to the loss of learning and memory function.

关键词

应激 / 丝裂原活化蛋白激酶 / 免疫印迹法 / 海马

Key words

Stress / mitogen-activated protein kinase / immunoblot / hippocampus

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庞雨婷, 邢文龙, 张桂青 . 创伤后应激障碍样大鼠海马区 p38MAPK 的改变. 石河子大学学报. 2017, 35(5): 580-584 https://doi.org/10.13880/j.cnki.65- 1174/n.2017.05.010
Pang Yuting, Xing Wenlong, Zhang Guiqing. Changes of p38MAPK in hippocampus of Rats after Post-travmatic stress. Journal of Shihezi University. 2017, 35(5): 580-584 https://doi.org/10.13880/j.cnki.65- 1174/n.2017.05.010

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基金

新疆兵团医药卫生重点领域科技攻关项目(2012BA023)
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