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低氧环境对大鼠骨髓间充质干细胞交感神经重构相关因子表达的影响 被引量:2

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摘要 目的观察低氧环境对大鼠骨髓间充质干细胞(BMSCs)三种交感神经重构相关因子内皮素-1(ET-1)、促红细胞生成素(EPO)和粒细胞集落刺激因子(G-CSF)表达的影响。方法体外分离培养大鼠BMSCs至第三代,应用Western Blot技术检测BMSCs各代细胞中ET-1、EPO和G-CSF蛋白表达水平。BMSCs培养至第三代后,更换无血清无糖培养基,将细胞培养皿置入缺氧培养箱分别培养2h、6h、12h及24h,分别检测上述四组细胞ET-1、EPO、G-CSF蛋白表达水平。结果大鼠BMSCs在常氧状态下具有分泌神经重构相关因子ET-1、EPO、G-CSF的功能。低氧环境可诱导大鼠BMSCs细胞ET-1、EPO、G-CSF蛋白表达水平上调,ET-1、EPO表达水平随缺氧时间延长而进行性升高,差异有统计学意义(P<0.05)。结论低氧环境能显著上调大鼠BMSCs交感神经重构相关因子的表达水平,促进心肌交感神经重构,可能与BMSCs移植治疗后心律失常副反应的发生密切相关。
出处 《中西医结合心脑血管病杂志》 2016年第6期599-603,共5页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
基金 广东省医学科研基金资助项目(No.B2013155)
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