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肝素对烫伤鼠血浆TNF-α及门静脉内毒素的影响

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摘要 目的探讨肝素对烫伤鼠血浆TNF-α及门静脉内毒素(LPS)的影响。方法雄性Wistar大鼠70只,随机分为无烫伤组10只,烫伤组及烫伤后使用肝素组(肝烫组)各30只。肝烫组于烫伤后即刻4、h、8 h皮下注射硫酸肝素100 U/kg,烫伤组和无烫伤组相同时相皮下注射等量生理盐水。烫伤组、肝烫组分别于烫伤后8、12、24 h处死动物,无烫伤组8 h全部处死。取门静脉血测LPS,取腹主动脉血测血浆TNF-α。结果与无烫伤组相比,烫伤后大鼠血浆TNF-α及门静脉LPS均显著升高(P均<0.01)。使用肝素后,烫伤鼠血浆TNF-α及门静脉LPS均明显下降(P均<0.01)。结论烫伤可导致大鼠血液LPS和TNF-α升高;肝素可能通过保护烫伤鼠肠黏膜屏障抑制LPS移位,使血浆TNF-α水平降低。
作者 王传强
出处 《山东医药》 CAS 北大核心 2011年第33期26-28,共3页 Shandong Medical Journal
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参考文献9

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