Formononetin is an isoflavone phytoestrogen mainly existing in leguminous plants such as Trifolium pretense,Spatholobus suberectus,etc.Studies have proved that formononetin has good anti-inflammatory,antitumor,antioxi...Formononetin is an isoflavone phytoestrogen mainly existing in leguminous plants such as Trifolium pretense,Spatholobus suberectus,etc.Studies have proved that formononetin has good anti-inflammatory,antitumor,antioxidant,antidepressant,anxiolytic and other pharmacological effects.This paper summarizes the pharmacological action and molecular mechanism of formononetin,in order to provide a theoretical basis for the development and clinical application of formononetin.展开更多
Objective:To evaluate the effect of formononetin on type 2 diabetic cardiomyopathy.Methods:Diabetes was induced by feeding high-fat diet for 2 weeks and administration of 35 mg/kg of streptozotocin in rats.Formononeti...Objective:To evaluate the effect of formononetin on type 2 diabetic cardiomyopathy.Methods:Diabetes was induced by feeding high-fat diet for 2 weeks and administration of 35 mg/kg of streptozotocin in rats.Formononetin was administered at 10,20 and 40 mg/kg for 16 weeks once a day.Plasma glucose,lipid parameters,and cardiac markers in blood samples were measured.Body weight and relative heart weight were recorded.Hemodynamic parameters,oxidative stress parameters and silence information regulator 1(SIRT1)expression in cardiac tissue were estimated.Histopathological changes in cardiac tissue were also observed.Results:Formononetin significantly reduced the levels of glucose,triglycerides,cholesterol,low density lipoprotein,creatine kinaseMB,lactate dehydrogenase and aspartate aminotransferase.In addition,formononetin significantly improved hemodynamic parameters,alleviated oxidative stress and increased SIRT1 expression.Conclusions:The study indicates that formononetin can improve hyperglycemia and hyperlipemia,reduce oxidative stress and increase SIRT1 expression.It can be a potential therapeutic agent for diabetic cardiomyopathy.展开更多
目的本研究旨在探讨芒柄花黄素(formononetin,FN)通过干预ROS的生成抑制线粒体动力相关蛋白1(dynamic-related protein 1,DRP1)-NLRP3轴减轻过敏性气道炎症的有关机制。方法为建立过敏性哮喘小鼠模型,50只8周龄的BALB/c小鼠通过卵清蛋白...目的本研究旨在探讨芒柄花黄素(formononetin,FN)通过干预ROS的生成抑制线粒体动力相关蛋白1(dynamic-related protein 1,DRP1)-NLRP3轴减轻过敏性气道炎症的有关机制。方法为建立过敏性哮喘小鼠模型,50只8周龄的BALB/c小鼠通过卵清蛋白(ovalbumin,OVA)诱导后分为对照组、模型组、FN治疗组及地塞米松组。采用HE和Masson染色检测气道炎症和胶原沉积,ELISA测定支气管肺泡灌洗液(BALF)中Th2型细胞因子和超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、丙二醛(MDA)以及IgE水平,DCFH-DA染色评估BEAS-2B细胞中ROS,免疫组织化学和免疫荧光检测肺组织和BEAS-2B细胞中DRP1表达,免疫印迹分析DRP1-NLRP3途径。结果FN治疗可有效改善哮喘小鼠模型的症状,包括减少嗜酸性粒细胞聚集、气道胶原沉积,降低Th2细胞因子和IgE水平,减少ROS和MDA生成,提高SOD和CAT活性,并调节DRP1-NLRP3途径相关蛋白表达,从而缓解炎症。结论FN通过调节DRP1-NLRP3途径改善哮喘气道炎症。展开更多
基金Supported by Central Government Supports Local College Reform and Development Fund Talent Training Projects(2020GSP16)Undergraduate Innovation and Entrepreneurship Training Program of Heilongjiang Province(202310223122).
文摘Formononetin is an isoflavone phytoestrogen mainly existing in leguminous plants such as Trifolium pretense,Spatholobus suberectus,etc.Studies have proved that formononetin has good anti-inflammatory,antitumor,antioxidant,antidepressant,anxiolytic and other pharmacological effects.This paper summarizes the pharmacological action and molecular mechanism of formononetin,in order to provide a theoretical basis for the development and clinical application of formononetin.
文摘Objective:To evaluate the effect of formononetin on type 2 diabetic cardiomyopathy.Methods:Diabetes was induced by feeding high-fat diet for 2 weeks and administration of 35 mg/kg of streptozotocin in rats.Formononetin was administered at 10,20 and 40 mg/kg for 16 weeks once a day.Plasma glucose,lipid parameters,and cardiac markers in blood samples were measured.Body weight and relative heart weight were recorded.Hemodynamic parameters,oxidative stress parameters and silence information regulator 1(SIRT1)expression in cardiac tissue were estimated.Histopathological changes in cardiac tissue were also observed.Results:Formononetin significantly reduced the levels of glucose,triglycerides,cholesterol,low density lipoprotein,creatine kinaseMB,lactate dehydrogenase and aspartate aminotransferase.In addition,formononetin significantly improved hemodynamic parameters,alleviated oxidative stress and increased SIRT1 expression.Conclusions:The study indicates that formononetin can improve hyperglycemia and hyperlipemia,reduce oxidative stress and increase SIRT1 expression.It can be a potential therapeutic agent for diabetic cardiomyopathy.
文摘目的本研究旨在探讨芒柄花黄素(formononetin,FN)通过干预ROS的生成抑制线粒体动力相关蛋白1(dynamic-related protein 1,DRP1)-NLRP3轴减轻过敏性气道炎症的有关机制。方法为建立过敏性哮喘小鼠模型,50只8周龄的BALB/c小鼠通过卵清蛋白(ovalbumin,OVA)诱导后分为对照组、模型组、FN治疗组及地塞米松组。采用HE和Masson染色检测气道炎症和胶原沉积,ELISA测定支气管肺泡灌洗液(BALF)中Th2型细胞因子和超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、丙二醛(MDA)以及IgE水平,DCFH-DA染色评估BEAS-2B细胞中ROS,免疫组织化学和免疫荧光检测肺组织和BEAS-2B细胞中DRP1表达,免疫印迹分析DRP1-NLRP3途径。结果FN治疗可有效改善哮喘小鼠模型的症状,包括减少嗜酸性粒细胞聚集、气道胶原沉积,降低Th2细胞因子和IgE水平,减少ROS和MDA生成,提高SOD和CAT活性,并调节DRP1-NLRP3途径相关蛋白表达,从而缓解炎症。结论FN通过调节DRP1-NLRP3途径改善哮喘气道炎症。
