Clinical and experimental hypertension (New York, N.Y. : 1993) · 2023
Ginsenoside Rh2 mitigates myocardial damage in acute myocardial infarction by regulating pyroptosis of cardiomyocytes.
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Peng Hong, Chen Li, Deng Yi, Liao Xin, Yang Yi
Аннотация
BACKGROUND: Acute myocardial infarction (AMI) is one of the most important causes of mortality among patients with cardiovascular disease. Ginsenoside Rh2 plays a protective role in cardiovascular diseases. Furthermore, pyroptosis reportedly participates in regulating the occurrence and development of AMI. However, whether ginsenoside Rh2 contributes to mitigating AMI by regulating cardiomyocyte pyroptosis remains unknown.
METHODS: In the present study, we established an AMI model in rats. Next, we determined the effects of ginsenoside Rh2 on AMI by examining the myocardial infarct area, while regulation of myocardial pyroptosis was determined by assessing related factors. We established a cardiomyocyte model using hypoxia/reoxygenation (H/R) treatment. The expression of pyroptosis-related factors was determined following ginsenoside Rh2 treatment. In addition, we evaluated the correlation between ginsenoside Rh2 and the phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT) pathway at the mechanistic level.
RESULTS: Herein, we observed that ginsenoside Rh2 alleviated AMI in rats and cells. Notably, the expression levels of inflammatory factors were reduced in AMI rats and cells. Furthermore, AMI rats and cells exhibited high expression levels of cleaved caspase-1 and gasdermin D, which were downregulated following treatment with ginsenoside Rh2. Further analysis revealed that ginsenoside Rh2 could inhibit cardiomyocyte pyroptosis by regulating the PI3K/AKT signaling pathway.
CONCLUSIONS: Collectively, the findings of the present study demonstrated that ginsenoside Rh2 regulates pyroptosis in cardiomyocytes to alleviate AMI in vivo and in vitro, thereby affording a novel therapeutic approach to treat AMI.
METHODS: In the present study, we established an AMI model in rats. Next, we determined the effects of ginsenoside Rh2 on AMI by examining the myocardial infarct area, while regulation of myocardial pyroptosis was determined by assessing related factors. We established a cardiomyocyte model using hypoxia/reoxygenation (H/R) treatment. The expression of pyroptosis-related factors was determined following ginsenoside Rh2 treatment. In addition, we evaluated the correlation between ginsenoside Rh2 and the phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT) pathway at the mechanistic level.
RESULTS: Herein, we observed that ginsenoside Rh2 alleviated AMI in rats and cells. Notably, the expression levels of inflammatory factors were reduced in AMI rats and cells. Furthermore, AMI rats and cells exhibited high expression levels of cleaved caspase-1 and gasdermin D, which were downregulated following treatment with ginsenoside Rh2. Further analysis revealed that ginsenoside Rh2 could inhibit cardiomyocyte pyroptosis by regulating the PI3K/AKT signaling pathway.
CONCLUSIONS: Collectively, the findings of the present study demonstrated that ginsenoside Rh2 regulates pyroptosis in cardiomyocytes to alleviate AMI in vivo and in vitro, thereby affording a novel therapeutic approach to treat AMI.