番泻苷A对2型糖尿病小鼠动脉粥样硬化斑块形成及5-羟色胺信号分子表达的影响
R587.1%R543.5; 目的·研究番泻苷A(sennoside A,SA)对2型糖尿病(diabetes mellitus type 2,T2DM)小鼠动脉粥样硬化斑块形成和5-羟色胺(5-hydroxytryptamine,5-HT)及其受体表达的影响.方法·将载脂蛋白E基因敲除小鼠12只随机分为模型组(model组)和治疗组(model+SA组),每组6只,同遗传背景C57BL/6J小鼠6只作为对照组(control组).Control组普通饲养,model组和model+SA组在高脂饲养基础上每日给予腹腔注射30 mg/kg链脲佐菌素(streptozotocin,STZ)建立T2...
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| Published in | 上海交通大学学报（医学版） Vol. 44; no. 8; pp. 991 - 998 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海中医药大学附属市中医医院心病科,上海 200071%陕西中医药大学第一临床医学院,西安 712046
28.08.2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-8115 |
| DOI | 10.3969/j.issn.1674-8115.2024.08.008 |
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| Abstract | R587.1%R543.5; 目的·研究番泻苷A(sennoside A,SA)对2型糖尿病(diabetes mellitus type 2,T2DM)小鼠动脉粥样硬化斑块形成和5-羟色胺(5-hydroxytryptamine,5-HT)及其受体表达的影响.方法·将载脂蛋白E基因敲除小鼠12只随机分为模型组(model组)和治疗组(model+SA组),每组6只,同遗传背景C57BL/6J小鼠6只作为对照组(control组).Control组普通饲养,model组和model+SA组在高脂饲养基础上每日给予腹腔注射30 mg/kg链脲佐菌素(streptozotocin,STZ)建立T2DM模型.Model+SA组每日给予SA(45 mg/kg)灌胃干预8周,control组和model组给予等体积双蒸水灌胃.比较造模及治疗前后小鼠体质量、空腹血糖和餐后2 h血糖情况,采用油红O染色和苏木精-伊红染色(hematoxylin-eosin staining,H-E染色)观察小鼠主动脉斑块面积,并用ELISA试剂盒测定小鼠血清和胸主动脉中5-HT水平,采用蛋白质印迹法(Western blotting)检测小鼠胸主动脉中5-羟色胺2B受体(5-hydroxytryptamine receptor 2B,HTR2B)和5-羟色胺转运蛋白(serotonin transporter,SERT)的表达情况.结果·与control组相比,model组小鼠体质量、空腹血糖和餐后2 h血糖均升高,糖代谢紊乱;主动脉斑块形成,胸主动脉中HTR2B、SERT蛋白表达升高;胸主动脉5-HT浓度降低,血清5-HT浓度升高(均P<0.05).给予SA治疗后,与model组相比,model+SA组小鼠体质量下降,空腹血糖和餐后2 h血糖水平明显改善;主动脉斑块面积减少,胸主动脉HTR2B、SERT蛋白表达显著降低;胸主动脉5-HT浓度升高,血清5-HT浓度降低(均P<0.05).结论·SA可减少T2DM小鼠动脉粥样硬化斑块面积,其作用可能与降低血糖、抑制5-HT及其受体表达有关. |
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| AbstractList | R587.1%R543.5; 目的·研究番泻苷A(sennoside A,SA)对2型糖尿病(diabetes mellitus type 2,T2DM)小鼠动脉粥样硬化斑块形成和5-羟色胺(5-hydroxytryptamine,5-HT)及其受体表达的影响.方法·将载脂蛋白E基因敲除小鼠12只随机分为模型组(model组)和治疗组(model+SA组),每组6只,同遗传背景C57BL/6J小鼠6只作为对照组(control组).Control组普通饲养,model组和model+SA组在高脂饲养基础上每日给予腹腔注射30 mg/kg链脲佐菌素(streptozotocin,STZ)建立T2DM模型.Model+SA组每日给予SA(45 mg/kg)灌胃干预8周,control组和model组给予等体积双蒸水灌胃.比较造模及治疗前后小鼠体质量、空腹血糖和餐后2 h血糖情况,采用油红O染色和苏木精-伊红染色(hematoxylin-eosin staining,H-E染色)观察小鼠主动脉斑块面积,并用ELISA试剂盒测定小鼠血清和胸主动脉中5-HT水平,采用蛋白质印迹法(Western blotting)检测小鼠胸主动脉中5-羟色胺2B受体(5-hydroxytryptamine receptor 2B,HTR2B)和5-羟色胺转运蛋白(serotonin transporter,SERT)的表达情况.结果·与control组相比,model组小鼠体质量、空腹血糖和餐后2 h血糖均升高,糖代谢紊乱;主动脉斑块形成,胸主动脉中HTR2B、SERT蛋白表达升高;胸主动脉5-HT浓度降低,血清5-HT浓度升高(均P<0.05).给予SA治疗后,与model组相比,model+SA组小鼠体质量下降,空腹血糖和餐后2 h血糖水平明显改善;主动脉斑块面积减少,胸主动脉HTR2B、SERT蛋白表达显著降低;胸主动脉5-HT浓度升高,血清5-HT浓度降低(均P<0.05).结论·SA可减少T2DM小鼠动脉粥样硬化斑块面积,其作用可能与降低血糖、抑制5-HT及其受体表达有关. |
| Abstract_FL | Objective·To investigate the effects of sennoside A(SA)on the formation of atherosclerotic plaque and the expression of 5-hydroxytryptamine(5-HT)and its receptor in mice with diabetes mellitus type 2(T2DM).Methods·Twelve mice with knocked-out apolipoprotein E gene were randomly divided into two groups,namely the model group and the model+SA group,with six mice in each group.Six C57BL/6J mice with the same genetic background were used as the control group.The control group was fed with normal diet,and the model group and the model+SA group were given intraperitoneal injection of streptozotocin(30 mg/kg)daily on the basis of high-fat diet to establish a model of T2DM.The model+SA group was given SA daily by gavage for 8 weeks,and the control group and the model group were given equal volume of distillation-distillation H2O by gavage.The body weight,fasting blood glucose(FBG)and 2-h postprandial blood glucose of mice were compared before and after modeling and treatment.The area of aortic plaque was observed by oil red O staining and hematoxylin-eosin(H-E)staining,and the level of 5-HT in serum and thoracic aorta was measured by ELISA kit.Western blotting was used to detect the expression of 5-hydroxytryptamine receptor 2B(HTR2B)and serotonin transporter(SERT)in thoracic aorta of mice.Results·Compared with the control group,the body weight,FBG and 2-h postprandial blood glucose in the model group increased,and glucose metabolism was disordered.The expression of HTR2B and SERT protein in thoracic aorta increased,while the concentration of 5-HT in thoracic aorta decreased.The serum 5-HT concentration increased(all P<0.05).After treatment with SA,compared with the model group,the body weight of the model+SA group decreased,and FBG and 2-h postprandial blood glucose were significantly improved.The area of aortic plaque and the expression of HTR2B and SERT protein in thoracic aorta significantly decreased,while the concentration of 5-HT increased.The serum 5-HT concentration decreased(all P<0.05).Conclusion·SA can reduce atherosclerotic plaque area in T2DM mice,which may be related to lowering blood glucose and inhibiting the expression of 5-HT and its receptor. |
| Author | 刘美志 姜雅宁 弥萌 孙永宁 王子杨 |
| AuthorAffiliation | 上海中医药大学附属市中医医院心病科,上海 200071%陕西中医药大学第一临床医学院,西安 712046 |
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| Author_FL | LIU Meizhi SUN Yongning WANG Ziyang MI Meng JIANG Yaning |
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| Keywords | atherosclerosis 5-羟色胺 sennoside A(SA) 5-hydroxytryptamine(5-HT) 番泻苷A 5-hydroxytryptamine receptor 2B(HTR2B) 5-羟色胺2B受体 动脉粥样硬化 diabetes mellitus type 2(T2DM) 2型糖尿病 |
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| Title | 番泻苷A对2型糖尿病小鼠动脉粥样硬化斑块形成及5-羟色胺信号分子表达的影响 |
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