为探究“金花散茶”及其“金花菌粉”对被动吸烟(Cigarette smoking environment,CSE)小鼠肺组织受损的预防及修复机制,建立C57BL/6小鼠CSE模型,以600 mg∙kg-1剂量的金花散茶茶汤(Eurotium cristatum tea extract,ECTE)及金花菌粉浸提液(Eurotium cristatum powder extract,ECPE)进行灌喂处理。与CSE模型组相比,小鼠灌喂ECPE和ECTE后,肺组织病理学切片显示其可保护小鼠肺组织形态结构完整;酶联免疫分析显示,灌喂ECPE和ECTE可显著抑制小鼠血清IL-6、IL-8、IL-1β、IFN-γ和TNF-α表达量上调;Western blot结果表明,灌喂ECPE和ECTE对小鼠肺组织p-JAK2、p-STAT3、p-JAK2/JAK2、p-STAT3/STAT3高表达起到抑制作用。以上研究结果表明,灌喂ECPE、ECTE对CSE肺受损小鼠具有明显保护作用,总体趋势为ECPE组优于ECTE组、预防组优于治疗组。
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