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羟乙基淀粉对脑组织核因子-κB和iNOS表达的影响 被引量:5

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摘要 目的观察6%羟乙基淀粉(200/0.5,HES)注射液复苏对失血性休克大鼠脑组织NF-κB和iNOS表达的影响。方法随机将25只SD大鼠分为对照组、休克组、全部自体血复苏组、2倍出血量的HES复苏组、1倍出血量的HES加1/2出血量的自体血复苏组。大鼠股动脉放血致休克1h后,分别用上述液体复苏30min,取脑组织。通过病理组织学和免疫组化的方法观察脑水肿和炎性细胞浸润的程度、及脑组织中NF-κB和iNOS表达的变化。结果休克组和各复苏组脑组织中NF-κB的表达明显增加,并见不同程度的脑水肿和炎性细胞浸润;1倍出血量的HES加1/2出血量的自体血复苏后NF-κB的表达增加显著下调,脑水肿和炎性细胞浸润亦减轻。各组NF-κB和iNOS的变化基本一致,二者具有显著正相关(r=0.831,P<0.01)。结论在失血性休克致大鼠全脑缺血损伤时,常规量羟乙基淀粉(200/0.5)复苏可能通过抑制脑组织NF-κB和iNOS表达而减轻脑缺血-再灌注损伤。
出处 《广东医学》 CAS CSCD 北大核心 2006年第8期1145-1146,共2页 Guangdong Medical Journal
基金 广东省深圳市科技计划基金资助项目(编号:200304166)
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参考文献6

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