Eucommiae Folium(EF),a traditional Chinese medicine,has been used to treat secondary hypertension,including renal hypertension and salt-sensitive hypertension,as well as hypertension caused by thoracic aortic endothel...Eucommiae Folium(EF),a traditional Chinese medicine,has been used to treat secondary hypertension,including renal hypertension and salt-sensitive hypertension,as well as hypertension caused by thoracic aortic endothelial dysfunction,a high-fat diet,and oxidized low-density lipoprotein.The antihypertensive components of EF are divided into four categories:flavonoids,iridoids,lignans,and phenylpropanoids,such as chlorogenic acid,geniposide acid and pinoresinol diglucoside.EF regulates the occurrence and development of hypertension by regulating biological processes,such as inhibiting inflammation,regulating the nitric oxide synthase pathway,reducing oxidative stress levels,regulating endothelial vasoactive factors,and lowering blood pressure.However,its molecular antihypertensive mechanisms are still unclear and require further investigation.In this review,by consulting the relevant literature on the antihypertensive effects of EF and using network pharmacology,we summarized the active ingredients and pharmacological mechanisms of EF in the treatment of hypertension to clarify how EF is associated with secondary hypertension,the related components,and underlying mechanisms.The results of the network pharmacology analysis indicated that EF treats hypertension through a multicomponent,multi-target and multi-pathway mechanism.In particular,we discussed the role of EF targets in the treatment of hypertension,including epithelial sodium channel,heat shock protein70,rhoassociated protein kinase 1,catalase,and superoxide dismutase.The relevant signal transduction pathways,the ras homolog family member A(RhoA)/Rho-associated protein kinase(ROCK)and nicotinamide adenine dinucleotide phosphate(NADPH)oxidase/eNOS/NO/Ca^(2+)pathways,are also discussed.展开更多
目的优化杜仲叶总黄酮的提取工艺。方法以总黄酮提取率为指标,通过单因素试验和正交试验确定最佳工艺条件。结果优化的最佳工艺条件为纤维素酶用量30 mg,料液比1∶30(g∶m L),酶解p H 5.0,酶解温度45℃,乙醇体积分数60%,超声温度50℃,...目的优化杜仲叶总黄酮的提取工艺。方法以总黄酮提取率为指标,通过单因素试验和正交试验确定最佳工艺条件。结果优化的最佳工艺条件为纤维素酶用量30 mg,料液比1∶30(g∶m L),酶解p H 5.0,酶解温度45℃,乙醇体积分数60%,超声温度50℃,超声时间25 min。结论超声波技术辅助酶解法提取杜仲叶总黄酮的提取率较高,优选的工艺合理、可行。展开更多
基金supported by the Scientific Research Project of the Tianjin Educational Committee(Project No.:2019KJ081).
文摘Eucommiae Folium(EF),a traditional Chinese medicine,has been used to treat secondary hypertension,including renal hypertension and salt-sensitive hypertension,as well as hypertension caused by thoracic aortic endothelial dysfunction,a high-fat diet,and oxidized low-density lipoprotein.The antihypertensive components of EF are divided into four categories:flavonoids,iridoids,lignans,and phenylpropanoids,such as chlorogenic acid,geniposide acid and pinoresinol diglucoside.EF regulates the occurrence and development of hypertension by regulating biological processes,such as inhibiting inflammation,regulating the nitric oxide synthase pathway,reducing oxidative stress levels,regulating endothelial vasoactive factors,and lowering blood pressure.However,its molecular antihypertensive mechanisms are still unclear and require further investigation.In this review,by consulting the relevant literature on the antihypertensive effects of EF and using network pharmacology,we summarized the active ingredients and pharmacological mechanisms of EF in the treatment of hypertension to clarify how EF is associated with secondary hypertension,the related components,and underlying mechanisms.The results of the network pharmacology analysis indicated that EF treats hypertension through a multicomponent,multi-target and multi-pathway mechanism.In particular,we discussed the role of EF targets in the treatment of hypertension,including epithelial sodium channel,heat shock protein70,rhoassociated protein kinase 1,catalase,and superoxide dismutase.The relevant signal transduction pathways,the ras homolog family member A(RhoA)/Rho-associated protein kinase(ROCK)and nicotinamide adenine dinucleotide phosphate(NADPH)oxidase/eNOS/NO/Ca^(2+)pathways,are also discussed.