基于血瘀理论与分子模拟技术研究银杏叶提取物对脓毒症急性肾损伤大鼠炎症因子的影响tudy on the Effect and Mechanism of Ginkgo Biloba Extract on Inflammatory Factors in Septic Rats with Acute Kidney Injury Based on Blood Stasis Theory and Molecular Simulation Technique
胡渊龙,刘继法,成晓萌,邱占军
摘要(Abstract):
目的观察银杏叶提取物对脓毒症肾损伤炎症因子的影响并探讨其机制。方法将Wistar大鼠随机分为4组:脓毒症组以盲肠穿刺结扎法(CLP)造模,假手术组进行开腹手术但不进行盲肠穿刺结扎,预防组腹腔注射银杏叶提取物后6 h进行CLP造模,治疗组CLP造模后30 min腹腔注射银杏叶提取物。12 h后提取血清,测定血清尿素氮、肌酐、白细胞介素-6(IL-6)和肿瘤坏死因子-α(TNF-α)。以IL-6和TNF-α为受体,黄酮类活性成分为配体进行半柔性分子模拟对接。结果预防组和治疗组的血清肌酐、尿素氮、IL-6和TNF-α均显著低于脓毒症组,但高于假手术组(P <0.05)。预防组的4项指标均显著低于治疗组(P <0.05)。分子模拟对接发现银杏双黄酮、山柰素、槲皮素和异鼠李素均可以和IL-6和TNF-α较好地结合。结论银杏叶提取物可以治疗和预防大鼠脓毒症诱导的急性肾损伤,其潜在机制可能是通过银杏双黄酮、山奈素、槲皮素和异鼠李素结合IL-6和TNF-α,抑制炎症反应。
关键词(KeyWords): 脓毒症;急性肾损伤;银杏叶提取物;炎症因子;瘀血理论;分子对接;大鼠
基金项目(Foundation): 山东省自然科学基金面上项目(ZR2016HM52);; 济南市科技发展计划(201602184);; 山东省医药卫生科技发展计划(2018WS193);; 山东省中医药科技发展计划(2019-0121)
作者(Author): 胡渊龙,刘继法,成晓萌,邱占军
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