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局部亚低温对大鼠实验性脑出血后脑组织肿瘤坏死因子-α表达的影响 被引量:2

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摘要 目的研究亚低温治疗对大鼠实验性脑出血后血肿周围脑组织肿瘤坏死因子-α(TNF-α)表达的影响。方法采用自体不凝血注入大鼠尾状核制备脑出血模型,分为脑出血(ICH)常温组和亚低温组(ICH+H),亚低温组应用局部亚低温治疗仪实施亚低温治疗4h,维持脑温在(33±0.5)℃,免疫组化染色法检测脑组织TNF-α的表达。结果脑出血后6h血肿周围脑组织TNF-α开始表达,48h达高峰,脑出血(ICH)常温组和亚低温组(ICH+H)之间TNF-α的表达差异有显著性(均P<0.05)。结论TNF-α参与了脑出血继发性脑组织损伤,亚低温治疗能明显抑制血肿周围TNF-α的过度表达。
出处 《广东医学》 CAS CSCD 北大核心 2008年第3期397-398,共2页 Guangdong Medical Journal
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