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Objective:To investigate the effects of Composition of Ophiopogon polysaccharide,Notoginseng total saponins and Rhizoma Coptidis alkaloids (CONR) on myocardial apoptosis of diabetic atherosclerosis (DA)rabbits Methods:Sixty male New Zealand white rabbits were randomly divided into 6 groups [control group,model group,CONR high-dose group (450 mg/kg),CONR medium-dose group (150 mg/kg),CONR low-dose group (50 mg/kg),and simvastatin group] by using a completely random method,10 in each group.DA model was established by intravenously injected alloxan combined with high-fat diet and abdominal aortic balloon injury.After mediation for 10 weeks,fasting blood glucose (FBG),glycosylated hemoglobin (GHB),glycosylated serum protein (GSP),fructoseamine (FRA),aldose reductase (AR),advanced glycation end products (AGEs)in serum were measured by enzyme linked immunosorbent assay (ELISA) method;the expression of receptor of AGEs (RAGE) in myocardial tissue were observed by immunohistochemical method;and p-Jun N-terminal kinase (p-JNK),caspase-3,B-cell lymphoma-2 (bcl-2) protein expression in myocardial tissue were measured by Westem blotting.The myocardial apoptosis was detected by TdT-mediated dUTPnick-end labeling (TUNEL)method,and apoptosis index (Al) was calculated.Results:Compared with the control group,serum FBG,GHB,GSP,FRA,AR,AGEs and the expression of myocardium RAGE,p-JNK,caspase-3 proteins,as well as apoptosis index (Al) were significantly increased and bcl-2 protein was significantly decreased in the model group (P<0.01).Compared with the model group,the levels of serum FBG,GHB,GSP,FRA and AR showed a significant decline in CONR high-and medium-dose groups (P<0.01).FBG and GHB showed a significant decline in CONR low-dose group (P<0.01).Compared with the model group,the expression of serum AGEs and myocardium RAGE,p-JNK and caspase-3 protein as well as Al were significantly decreased and bcl-2 protein was significantly up-regulated in all treatment groups (P<0.01);high-dose CONR had the most significant effect on abovementioned indices compared with other treatment groups (P<0.01).Middle-dose CONR had better effect on serum AGEs compared with the low-dose group (P<0.01);middle-dose CONR and simvastatin groups had better effect on the expression of caspase-3,bcl-2 protein,myocardium apoptosis compared with the CONR low-dose group (P<0.01).Conclusion:CONR may effectively inhibit myocardial apoptosis on DA rabbits by intervening AGEs-RAGE and JNK,caspase-3,and bcl-2 protein expressions.
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篇名 Composition of Ophiopogon Polysaccharide, Notoginseng Total Saponins and Rhizoma Coptidis Alkaloids Inhibits Myocardial Apoptosis in Diabetic Atherosclerosis Rabbits
来源期刊 中国结合医学杂志(英文版) 学科
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年,卷(期) 2020,(5) 所属期刊栏目
研究方向 页码范围 353-360
页数 8页 分类号
字数 语种 英文
DOI 10.1007/s11655-018-3014-2
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中国结合医学杂志(英文版)
月刊
1672-0415
11-4928/R
大16开
北京西苑操场1号
82-825
1995
eng
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2643
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