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创伤后应激障碍大鼠海马、杏仁核神经元自噬和凋亡改变! 被引量:9

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摘要 目的观察创伤后应激障碍(PTSD)模型大鼠海马、杏仁核神经元自噬和凋亡的改变,探讨PTSD海马、杏仁核体积异常的机制。方法成年健康雄性SD大鼠40只,随机分为对照组和模型组。采用改良的单一连续应激方法制备PTSD大鼠模型;采用Western blotting方法检测海马、杏仁核组织LC-3和Beclin-1的表达水平;TUNEL染色和流式细胞术检测海马、杏仁核神经元凋亡情况。结果模型组海马、杏仁核组织LC3-Ⅱ/LC3-Ⅰ比值和Beclin-1表达水平高于对照组(P<0.05);模型组海马、杏仁核神经元TUNEL阳性细胞百分率和凋亡率高于对照组(P<0.01)。结论 PTSD模型大鼠海马、杏仁核神经元存在明显的细胞自噬和凋亡,这可能是海马、杏仁核体积异常的机制之一。
出处 《西安交通大学学报(医学版)》 CAS CSCD 北大核心 2014年第1期136-138,共3页 Journal of Xi’an Jiaotong University(Medical Sciences)
基金 国家自然科学基金资助项目(No.81201048) 河北省自然基金资助项目(No.H2012401009)~~
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同被引文献81

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