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Beclin1和LC3 Ⅱ在环磷酰胺致大鼠神经管畸形神经上皮细胞中的表达变化

Chinese Journal of Anatomy(2015)

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Abstract
目的:检测自噬基因Beclin1和微管相关蛋白1轻链3Ⅱ型(LC3Ⅱ)在环磷酰胺致大鼠神经管畸形(NTD)神经上皮细胞中的表达变化,探讨自噬与NTD发生的关系,为防治NTD提供一条新的途径.方法:在已建立的环磷酰胺致大鼠NTD模型基础上,应用免疫荧光显色检测环磷酰胺致大鼠NTD神经上皮细胞中Beclin1和LC3Ⅱ表达变化.结果:与生理盐水对照组相比,环磷酰胺实验组神经管神经上皮细胞中Beclin1和LC3Ⅱ阳性细胞光密度值在处理后4h无明显改变;在处理后8、12、24 h升高,48 h降低,差异均有统计学意义.结论:环磷酰胺导致大鼠胚胎神经管神经上皮细胞中Beclin1和LC3Ⅱ表达异常,自噬改变可能是NTD发生的重要途径.
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Key words
cyclophosphamide,neural tube defect,autophagy,Beclin1,microtubule-associated protein 1 light chain 3-Ⅱ
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