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- W336795619 abstract "目的 评价p38MAPK/iNOS/HO-1信号通路在赤芍减轻大鼠内毒素性急性肺损伤(Au)中的作用。方法健康清洁级雄性Wistar大鼠40只,随机分为5组(n=8):生理盐水对照组(C组)、内毒素组(L组)、赤芍组(R组)、赤芍预处理组(PR组)和SB203580组(S组)。气管内滴注脂多糖(LPS)制备大鼠ALI模型。L组气管内滴注1ml LPS溶液(2.5mg/kg);C组滴注等容量生理盐水;R组、PR组分别于气管内滴注LPS后、滴注前2h,经股静脉输注赤芍注射液15mg·k^-1·h^-12h;S组于气管内滴注LPS前3h,经股静脉输注SB203580溶液2.5μmol·kg^-1·h^-1 3h。于气管内滴注鹏后6h时,经颈动脉采血样2ml,行血气分析及测定血清NO浓度;颈动脉放血处死大鼠,测定支气管肺泡灌洗液蛋白浓度,计数中性粒细胞及细胞总数,检测肺组织MDA含量,p38MAPK、HO-1及iNOS的表达,观察肺组织病理学结果。结果与C组比较,其余各组肺组织p38MAPK、iNOS及HO-1表达上调,支气管肺泡灌洗液中性粒细胞计数比、蛋白浓度、肺组织MDA含量及血清NO浓度升高,PaO2和HCO3^-浓度降低(P〈0.01);与L组比较,R组、PR组和S组p38MAPK及iNOS表达下调,HO-1表达上调,支气管肺泡灌洗液中性粒细胞计数比、蛋白浓度、肺组织MDA含量及血清NO浓度降低,PaO2和HCO3^-升高(P〈0.05);R组、PR组和S组肺组织损伤程度较L组减轻。结论赤芍可减轻大鼠内毒索性急性肺损伤,可能与抑制p38MAPK/iNOS/HO-1信号通路有关。" @default.
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- W336795619 date "2009-01-01" @default.
- W336795619 modified "2023-09-22" @default.
- W336795619 title "p38MAPK/iNOS/HO-1信号通路在赤芍减轻大鼠内毒素性急性肺损伤中的作用" @default.
- W336795619 hasPublicationYear "2009" @default.
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