Ischemic heart disease has the characteristics of high morbidity and high mortality, which seriously endangers people's health. Mitophagy can selectively remove damaged organelles, and has a role in maintaining th...Ischemic heart disease has the characteristics of high morbidity and high mortality, which seriously endangers people's health. Mitophagy can selectively remove damaged organelles, and has a role in maintaining the homeostasis of myocardial cells and protecting ischemic myocardium. Significance. More and more studies have found that traditional Chinese medicine can improve ischemic damage of cardiomyocytes by regulating mitochondrial function and autophagy. Using mitochondria as the target of traditional Chinese medicine in cardiomyocytes to explore the treatment of ischemic Effective measures for heart disease have become a hotspot for related Chinese medicine workers. Based on the above background, this article outlines the main regulatory pathways of mitochondrial autophagy, and reviews related researches on traditional Chinese medicine of benefiting qi and activating blood and mitophagy in this field.展开更多
Objective:To investigate the effects of Qishen Yiqi Keli(QSYQ;Astragalus Salvia Granules to Benefit the Qi)on ROS scavenging and inhibition of NADPH oxidase in an effort to identify new natural antioxidants.Methods:A ...Objective:To investigate the effects of Qishen Yiqi Keli(QSYQ;Astragalus Salvia Granules to Benefit the Qi)on ROS scavenging and inhibition of NADPH oxidase in an effort to identify new natural antioxidants.Methods:A total of 23 representative components in QSYQ were investigated,their effects on hydrogen peroxide induced ROS were assayed by dichlorofluorescein assay.Lucigenin chemiluminescence was adopted to test the effect on NADPH oxidase activity in H9C2 cardiomyocyte cells,and pyrogallol autoxidation was adopted to test the superoxide scavenging capacity.Results:Nine compounds in QSYQ could significantly inhibited H2O2-induced ROS increase compared with the model group(P<.05),including tanshinone I,salvianolic acid A,danshinone IIA,and cryptotanshinone from salvia root,luteolin from salvia root,harpagoside,harpagide,and angoroside C from scrophularia root.Nine compounds in QSYQ could significantly inhibited the production ofO2in H9C2 cell.Tanshinone I showed a lowest IC50 value 0.07 mM,the other including salvianolic acid A,cryptotanshinone,and salvianolic acid B,luteolin,isochlorogenic acid C,astragaloside IV,and glycyrrhetinic acid.Licochalcone A inhibited the autoxidation of pyrogallol at a low concentration,and tanshinone I showed no significant inhibitory effect from 2 mM to 20 mM.Conclusion:QSYQ had significant effects on ROS scavenging and inhibition of NADPH oxidase.Tanshinone I and salvianolic acid A are potential NADPH oxidase inhibitors.展开更多
基金National natural science foundation project (81673891)
文摘Ischemic heart disease has the characteristics of high morbidity and high mortality, which seriously endangers people's health. Mitophagy can selectively remove damaged organelles, and has a role in maintaining the homeostasis of myocardial cells and protecting ischemic myocardium. Significance. More and more studies have found that traditional Chinese medicine can improve ischemic damage of cardiomyocytes by regulating mitochondrial function and autophagy. Using mitochondria as the target of traditional Chinese medicine in cardiomyocytes to explore the treatment of ischemic Effective measures for heart disease have become a hotspot for related Chinese medicine workers. Based on the above background, this article outlines the main regulatory pathways of mitochondrial autophagy, and reviews related researches on traditional Chinese medicine of benefiting qi and activating blood and mitophagy in this field.
基金a grant from The National Natural Science Fund(No.81403319)Creation for Significant New Drugs Project of China(No.2012ZX09103-201-011)。
文摘Objective:To investigate the effects of Qishen Yiqi Keli(QSYQ;Astragalus Salvia Granules to Benefit the Qi)on ROS scavenging and inhibition of NADPH oxidase in an effort to identify new natural antioxidants.Methods:A total of 23 representative components in QSYQ were investigated,their effects on hydrogen peroxide induced ROS were assayed by dichlorofluorescein assay.Lucigenin chemiluminescence was adopted to test the effect on NADPH oxidase activity in H9C2 cardiomyocyte cells,and pyrogallol autoxidation was adopted to test the superoxide scavenging capacity.Results:Nine compounds in QSYQ could significantly inhibited H2O2-induced ROS increase compared with the model group(P<.05),including tanshinone I,salvianolic acid A,danshinone IIA,and cryptotanshinone from salvia root,luteolin from salvia root,harpagoside,harpagide,and angoroside C from scrophularia root.Nine compounds in QSYQ could significantly inhibited the production ofO2in H9C2 cell.Tanshinone I showed a lowest IC50 value 0.07 mM,the other including salvianolic acid A,cryptotanshinone,and salvianolic acid B,luteolin,isochlorogenic acid C,astragaloside IV,and glycyrrhetinic acid.Licochalcone A inhibited the autoxidation of pyrogallol at a low concentration,and tanshinone I showed no significant inhibitory effect from 2 mM to 20 mM.Conclusion:QSYQ had significant effects on ROS scavenging and inhibition of NADPH oxidase.Tanshinone I and salvianolic acid A are potential NADPH oxidase inhibitors.