Cx43蛋白在丰富环境改善脑外伤大鼠学习记忆能力中的作用

被引:3
作者
江山
李娅娜
谢红萍
王会会
李玲
机构
[1] 解放军总医院第一附属医院
关键词
脑外伤; Cx43蛋白; 学习记忆能力; 丰富环境; 大鼠;
D O I
暂无
中图分类号
R651.15 [];
学科分类号
摘要
目的观察Cx43蛋白在丰富环境改善脑外伤(TBI)大鼠学习记忆能力中的作用。方法选用成年Sprague-Dawley大鼠,采用液压颅脑损伤仪制作TBI模型,将模型大鼠分为丰富环境刺激组(A组)、常规饲养组(B组)、Cx43特异性反义寡聚核苷酸(Cx43-ASODN)+丰富环境刺激组(C组)和乱序ODN(scrambled sequence ODN)+丰富环境刺激组(D组),每组6只。另设6只正常大鼠作为对照组。C组和D组分别在海马区注射Cx43-ASODN(2μl/d/rat,1.5 mmol/L)和ScrbASODN(2μl/d/rat,1.5 mmol/L)。饲养14 d,采用水迷宫测试评估大鼠的学习记忆能力。结果 B组大鼠潜伏期大于对照组(P<0.05),穿越次数少于对照组(P<0.05)。A组潜伏期小于B组(P<0.05),且从第9天起与对照组比较无显著性差异(P>0.05);穿越平台次数多于B组,与对照组比较无显著性差异(P>0.05)。C组大鼠的潜伏期大于A组(P<0.05),穿越平台次数少于A组(P<0.05)。结论 Cx43蛋白参与丰富环境改善TBI大鼠学习记忆能力的调控。
引用
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页码:924 / 927
页数:4
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