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大鼠脑挫伤后HIF-1α表达规律的实验性研究

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摘要 目的观察大鼠脑挫伤后不同时间段内低氧诱导因子(HIF-1α)的表达,探讨其在脑挫伤过程中的表达规律及法医学意义。方法以Feeney法建立大鼠闭合性脑挫伤模型,将实验动物分为挫伤后1 h组、4 h组、12 h组、48 h组、72 h组、7 d组、14 d组以及对照组,运用免疫组化SABC法观察HIF-1α蛋白的表达。结果伤后1 h可观察到少量表达,4 h后表达开始增加,48 h达高峰,到14 d时基本恢复正常。多见HIF-1α免疫阳性反应细胞在大脑皮层、脑干、海马区呈弥漫性表达。结论脑挫伤后随着时间的延长HIF-1α的表达呈现出一定规律性。
出处 《中西医结合心脑血管病杂志》 2010年第6期717-718,共2页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
基金 山西省自然科学基金资助项目(No.2007011104)
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参考文献12

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