Effect of Modified Buzhong Yiqitang on Cardiac Function of Diabetic Cardiomyopathy Rats and FABP3 and PPAR<italic style="font-style: italic">γ</italic> Proteins of Rat Cardiac Myocytes

Jun-tong LIU; Yu-feng YANG; Ren-he WANG; Yan SHI

doi:10.13422/j.cnki.syfjx.20191140

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Effect of Modified Buzhong Yiqitang on Cardiac Function of Diabetic Cardiomyopathy Rats and FABP3 and PPARγ Proteins of Rat Cardiac Myocytes

Classic Prescriptions | 更新时间：2021-02-09

- Effect of Modified Buzhong Yiqitang on Cardiac Function of Diabetic Cardiomyopathy Rats and FABP3 and PPARγ Proteins of Rat Cardiac Myocytes
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 25, Issue 12, Pages: 35-42(2019)
- 作者机构：
  
  辽宁中医药大学，沈阳　 110847
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.20191140
  CLC： R285.5; R587.1; R322.1;R289
- Received：17 December 2018，
  
  Published Online：19 February 2019，
  
  Published：20 June 2019
- 稿件说明：
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Jun-tong LIU, Yu-feng YANG, Ren-he WANG, et al. Effect of Modified Buzhong Yiqitang on Cardiac Function of Diabetic Cardiomyopathy Rats and FABP3 and PPARγ Proteins of Rat Cardiac Myocytes[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(12): 35-42.
DOI：

Jun-tong LIU, Yu-feng YANG, Ren-he WANG, et al. Effect of Modified Buzhong Yiqitang on Cardiac Function of Diabetic Cardiomyopathy Rats and FABP3 and PPARγ Proteins of Rat Cardiac Myocytes[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(12): 35-42. DOI： 10.13422/j.cnki.syfjx.20191140.

摘要

目的：

观察补中益气汤加减对2型糖尿病大鼠心功能及心型脂肪酸结合蛋白3(FABP3)，过氧化物酶体增殖激活受体

(PPAR

)蛋白的影响，探讨其保护2型糖尿病心肌病的作用机制。

方法：

6周高糖高脂饮食后，给予链脲佐菌素(STZ)腹腔注射(50 mg·kg

－1

)建立糖尿病大鼠模型，再按血糖随机分为正常组，模型组，补中益气汤加减组(21 g·kg

－1

)，盐酸二甲双胍组(2 g·kg

－1

)。连续给药6周后通过超声心动图检测各组大鼠心脏结构及功能情况，结合所测血糖及血脂水平，判断为糖尿病心肌病大鼠造模成功。取大鼠心脏组织采用苏木素-伊红(HE)染色观察大鼠心肌形态；采用蛋白免疫印迹法(Western blot)检测大鼠心肌FABP3，PPAR

蛋白表达水平。

结果：

与正常组比较，模型组大鼠的空腹血糖，总胆固醇(TC)，甘油三脂(TG)，胰岛素(INS)水平均显著增高(

0.01)，心率减慢，舒张期、收缩期左室内径(LVIDd)增加，收缩期左室后壁厚度降低，A峰E峰流速比值(E/A)，短轴缩短率(FS)，射血分数(EF)均显著降低(

0.01)，FABP3蛋白表达均显著升高，PPAR

蛋白表达水平均显著降低(

0.01)；与模型组比较，补中益气汤加减组大鼠空腹血糖，TC，TG，INS水平均显著降低(

0.01)，心肌病变显著改善(

0.01)，FABP3蛋白表达显著降低，PPAR

蛋白表达显著增加(

0.01)。

结论：

补中益气汤加减可改善糖尿病心肌病大鼠糖脂代谢紊乱，改善糖尿病心肌病大鼠心功能的作用，可增加心肌细胞的PPAR

表达，同时降低FABP3蛋白的表达。

Abstract

Objective:

To study the effects of modified Buzhong Yiqitang on cardiac function and fat acid binding protein3 (FABP3)and peroxisome proliferator-activated receptor gamma(PPAR

) protein of cardiac myocytes in type 2 diabetic mellitus (T2DM) rats

and to explore the mechanism of this prescription to protect T2DM cardiomyopathy.

Method:

After 6 weeks of high-glucose and high-fat diet

streptozotocin (STZ) was intraperitoneally injected (50 mg·kg

-1

) to establish a diabetic rat model

and then randomly divided into normal group

model group

modified Buzhong Yiqitang group (21 g·kg

-1

) and metformin hydrochloride group (2 g·kg

-1

). After continuous administration for 6 weeks

echocardiography was used to detect the cardiac structure and function of the rats in each group. Combined with the measured blood glucose level

it was judged that the rat model building of diabetic cardiomyopathy was successful.Rat heart tissue was dissected

and rat myocardial morphology was observed by hematoxylin-eosin(HE)staining. Western blot was used to detect the expression levels of FABP3 and PPAR

proteins in rat myocardium.

Result:

Compared with normal group

levels of blood sugar

total triglyceride(TC)

triglyceride(TG)

insulin (INS) in model group rats increased significantly (

0.01)

slow heart rate

diastolic and systolic left interior diameter (LVIDd)increases

the reduced systolic left ventricular posterior wall thickness

the ratio of peak A to peak E (E/A) ratio

short axial shortening rate(FS)and ejection fraction (EF)were different degree reduced (

0.01)

FABP3 protein expression were significantly elevated

PPAR

protein expression levels were significantly lower (

0.01). Compared with model group

the situation of blood glucose

INS in modified Buzhong Yiqitang group was significantly improved (

0.01)

cardiomyopathy was significantly improved (

0.01)

FABP3 protein expression was significantly decreased

and PPAR

protein expression was significantly increased (

0.01).

Conclusion:

Modified Buzhong Yiqitang can improve glucose and lipid metabolism disorder in diabetic cardiomyopathy rats

improve cardiac function in diabetic cardiomyopathy rats

increase the expression of PPAR

in cardiomyocytes

and reduce the expression of FABP3 protein.

关键词

Keywords

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Effect of Modified Buzhong Yiqitang on Cardiac Function of Diabetic Cardiomyopathy Rats and FABP3 and PPARγ Proteins of Rat Cardiac Myocytes

DOI：10.13422/j.cnki.syfjx.20191140

摘要

Abstract

关键词

Keywords

references