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2篇 您的检索式:作者名="Zhaofen Zheng"
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1esveratrol inhibits necroptosis by mediating the TNF-α/RIP1/RIP3/MLKL pathway in myocardial hypoxia/reoxygenation injury显示文摘Resveratrol(RES)protects myocardial cells from hypoxia/reoxygenation(H/R)-caused injury.However,the mechanism of this effect has not been clarified.Thus,in this study,we aimed to determine whether RES attenuates H/R-induced cell necroptosis by inhibiting the tumor necrosis factor-alpha(TNF-α)/receptor-interacting protein kinase 1(RIP1)/RIP3/mixed-lineage kinase domain-like(MLKL)signaling pathway.Rat myocardial ischemia/reperfusion(I/R)models and H/R-injured cell models were constructed.Our study showed that myocardial H/R injury significantly increased the levels of TNF-α,RIP1,RIP3,and p-MLKL/MLKL by western blot analysis.Cell viability assay and 4,6-dianmidino-2-phenylindole(DAPI)-propidium iodide staining showed that the cell viability was decreased,and necroptosis was increased after myocardial H/R injury.The expressions of TNF-α,RIP1,RIP3,and p-MLKL/MLKL in H/R myocardial cells treated with different concentrations of RES were significantly downregulated.In addition,we also found that the cell viability was increased and necroptosis was decreased in dose-dependent manners when H/R-injured cells were treated with RES.In addition,the enhanced effect of TNF-αon necroptosis in myocardial H/R-injured cells was improved by RES,and the effect of RES was confirmed in vivo in I/R rats.This study also showed that RES suppresses necroptosis in H9c2 cells,which may occur through the inhibition of the TNF-α/RIP1/RIP3/MLKL signaling pathway.Our data suggest that necroptosis is a promising therapeutic target and may be a promising therapeutic target for the treatment of myocardial I/R injury.Yongjun Hu Hongwei Pan Jianqiang Peng Jin He Mingxiang Tang Sulan Yan Jingjing Rong Junshan Li Zhaofen Zheng Haijun Wang Yanfu Liu Xin Zhong 2021Acta Biochimica et Biophysica Sinica2021,53,4:6
2Progress in the Study of the Left Atrial Function Index in Cardiovascular Disease:A Literature Review显示文摘Some studies have shown that left ventricular structure and function play an important role in the risk stratifi cation and prognosis of cardiovascular disease.The clinical application of left atrial function in cardiovascular disease has gradually attracted attention in the cardiovascular fi eld.There are many traditional methods to evaluate left atrial function.Left atrial function related indexes measured by echocardiography has been identifi ed as a powerful predictor of cardiovascular disease in recent years,but they have some limitations.The left atrial function index has been found to evaluate left atrial function more effectively than traditional parameters.Furthermore,it is a valuable predictor of the risk stratifi cation and prognosis in patients with clinical cardiovascular disease such as heart failure,atrial fi brillation,hypertension,and coronary heart disease.Pei Huang Yi Zhang Yi Tang Qinghua Fu Zhaofen Zheng Xiaoyan Yang Yingli Yu 2021Cardiovascular Innovations and Applications2021,,2:1
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