Effect of Jianxin Granules (健心颗粒) on Myocardial Energy Metabolism and PPARα/PGC-1α Pathway in Model Rats of Chronic Heart Failure with Qi Deficiency and Blood Stasis Syndrome
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Effect of Jianxin Granules (健心颗粒) on Myocardial Energy Metabolism and PPARα/PGC-1α Pathway in Model Rats of Chronic Heart Failure with Qi Deficiency and Blood Stasis Syndrome
Journal of Traditional Chinese MedicineVol. 64, Issue 4, Pages: 393-400(2023)
CHEN Juan,HUANG Feixiang,WANG Yong,et al.Effect of Jianxin Granules (健心颗粒) on Myocardial Energy Metabolism and PPARα/PGC-1α Pathway in Model Rats of Chronic Heart Failure with Qi Deficiency and Blood Stasis Syndrome[J].Journal of Traditional Chinese Medicine,2023,64(04):393-400.
CHEN Juan,HUANG Feixiang,WANG Yong,et al.Effect of Jianxin Granules (健心颗粒) on Myocardial Energy Metabolism and PPARα/PGC-1α Pathway in Model Rats of Chronic Heart Failure with Qi Deficiency and Blood Stasis Syndrome[J].Journal of Traditional Chinese Medicine,2023,64(04):393-400.DOI: 10.13288/j.11-2166/r.2023.04.014.
Effect of Jianxin Granules (健心颗粒) on Myocardial Energy Metabolism and PPARα/PGC-1α Pathway in Model Rats of Chronic Heart Failure with Qi Deficiency and Blood Stasis Syndrome
(健心颗粒) in the treatment of chronic heart failure (CHF) with
qi
deficiency and blood stasis syndrome from the perspective of myocardial energy metabolism.
Methods
2
Sixty SD rats were randomly divided into modeling group (n=50) and blank group (n=10). The former established the rat model of CHF with
qi
deficiency and blood stasis syndrome by coronary artery ligation combined with exhaustive swimming and starvation. Forty-six rats were successfully modeled and were divided into model group (n=10), valsartan group (n=9) and
Jianxin Granules
low-, medium- and high-dose groups (n=9 each) according to the random number table. Valsartan group was given 7.2 mg /(kg·d) of valsartan by gavage, while the low-, medium- and high-dose groups of
Jianxin Granules
were given 1.6, 3.2 and 6.4g/(kg·d) of
Jianxin Granules
by gavage, respectively. The model group and the blank group were given 1 ml/100 g of sterile normal saline by gavage. The above interventions were administered twice a day for 4 weeks. Hematoxylin eosin (HE) and Masson staining were used to observe the pathological changes of rat myocardial tissue. The indexes of energy metabolism in rat myocardial tissues including glycogen mass fraction, concentration of fatty acid (FA) and lactic acid, and adenosine triphosphate (ATP) concentration were measured. Left ventricular ejection fraction (EF), peroxisome proliferator activated receptor α (PPARα), peroxisome proliferator activated receptor γ coactivator-1α (PGC-1α), 300kda adenovirus E1A binding protein (P300), medium chain acyl CoA dehydrogenase (MCAD) and adenylate transporter (ANT) proteins and mRNA expressions were detected.
Results
2
HE and Masson staining showed that in the model group, cardiomyocytes were severely hypertrophic and loosely arranged, with broken myocardial fibers, seriously proliferated fibroblasts accompanied by inflammatory cell infiltration, as well as serious myocardial fibrosis and obvious collagen tissue hyperplasia. The myocardial tissues injury and collagen tissue hyperplasia in valsartan group and all three
Jianxin Granules
groups were improved in varying degrees. Compared to those in the blank group, the concentration of FA and lactic acid in myocardial tissues increased, and EF, glycogen mass fraction, ATP concentration, and the mRNA and protein expressions of PPARα, PGC-1α, P300, MCAD and ANT decreased in the model group, valsartan group and three
Jianxin Granules
groups (
P
<0.05). Compared to those in the model group, the concentration of FA and lactic acid in myocardial tissues decreased, and EF, mass fraction of glycogen, ATP concentration and the mRNA and protein expressions of PPARα, PGC-1α, P300, MCAD and ANT in the valsartan group and
Jianxin Granules
groups increased (
P
<0.05). More changes were found in the high-dose
Jianxin Granules
group than the low- and medium-dose groups (
P
<0.05). The differences were not statistically significant in the mentioned indexes between the medium-dose
Jianxin Granules
group and the valsartan group (
P
>0.05).
Conclusion
2
Jianxin Granules
can improve myocardial energy metabolism in CHF rats with
qi
deficiency and blood stasis syndrome, presumably by regulating PPARα/PGC-1α pathway. And the high-dose
Jianxin Granules
shows best effect.
关键词
Keywords
references
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