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1.河南中医药大学第一附属医院心脏中心,郑州 450099
2.河南省中医药循证医学中心,郑州 450099
Received:10 December 2024,
Revised:18 April 2025,
Accepted:23 April 2025,
Published:30 June 2025
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李彬,李佳,袁中杰等.人参总次苷对心肌细胞肥大性改变的改善作用及机制 Δ[J].中国药房,2025,36(12):1430-1435.
LI Bin,LI Jia,YUAN Zhongjie,et al.Improvement effects and mechanism of total secondary ginsenosides on hypertrophic changes in cardiomyocytes[J].ZHONGGUO YAOFANG,2025,36(12):1430-1435.
李彬,李佳,袁中杰等.人参总次苷对心肌细胞肥大性改变的改善作用及机制 Δ[J].中国药房,2025,36(12):1430-1435. DOI: 10.6039/j.issn.1001-0408.2025.12.03.
LI Bin,LI Jia,YUAN Zhongjie,et al.Improvement effects and mechanism of total secondary ginsenosides on hypertrophic changes in cardiomyocytes[J].ZHONGGUO YAOFANG,2025,36(12):1430-1435. DOI: 10.6039/j.issn.1001-0408.2025.12.03.
目的
2
探讨人参总次苷(TSG)对血管紧张素Ⅱ(AngⅡ)诱导原代心肌细胞肥大性改变的改善作用及潜在机制。
方法
2
从新生SD乳鼠心脏中分离原代心肌细胞,将其分为对照组、AngⅡ组(2 µmol/L)、TSG组(7.5 µg/mL)、PFK-015组[6-磷酸果糖-2-激酶/果糖-2,6-二磷酸酶3(PFKFB3)抑制剂10 nmol/L]和TSG+PFK-015组(TSG 7.5 µg/mL+PFK-015 10 nmol/L),检测各组细胞表面积、蛋白合成情况、能量代谢相关指标[游离脂肪酸(FFA)、辅酶A(CoA)、乙酰辅酶A(acetyl-CoA)]含量、糖酵解相关因子[缺氧诱导因子1α(HIF-1α)、葡萄糖转运蛋白4(GLUT-4)、乳酸脱氢酶A(LDHA)、丙酮酸脱氢酶激酶1(PDK1)、PFKFB3]的表达情况。
结果
2
与对照组相比,AngⅡ组细胞表面积显著增大,蛋白合成显著增多,FFA含量和HIF-1α、LDHA、PDK1、PFKFB3蛋白及mRNA的表达均显著升高或上调,CoA、acetyl-CoA含量和GLUT-4蛋白及mRNA的表达均显著降低或下调(
P
<0.05)。与AngⅡ组相比,TSG组和PFK-015组细胞上述指标均显著改善,且TSG+PFK-015组细胞的改善程度普遍优于TSG组和PFK-015组(
P
<0.05)。
结论
2
TSG可缩小AngⅡ诱导原代心肌细胞的表面积,减少蛋白合成,抑制其肥大性改变;上述作用可能与改善细胞能量代谢、抑制糖酵解活动有关。
OBJECTIVE
2
To investigate the ameliorative effects and potential mechanism of total secondary ginsenosides (TSG) on hypertrophic changes of primary cardiomyocytes stimulated by angiotensin Ⅱ (AngⅡ).
METHODS
2
Primary cardiomyocytes were isolated from the hearts of neonatal SD rats and divided into the following groups: control group, AngⅡ group (2 µmol/L), TSG group (7.5 µg/mL), PFK-015 group [6-phosphofructo-2-kinase/fructose-2, 6-bisphosphatase 3 (PFKFB3) inhibitor, 10 nmol/L], and TSG+PFK-015 group (TSG 7.5 µg/mL+PFK-015 10 nmol/L). The surface area, protein synthesis, energy metabolism-related indicators [free fatty acid (FFA), coenzyme A (CoA), acetyl coenzyme A (acetyl-CoA)], and the expressions of glycolysis-related factors [hypoxia-inducible factor 1α (HIF-1α), glucose transporter protein 4 (GLUT-4), lactate dehydrogenase A (LDHA), pyruvate dehydrogenase kinase 1 (PDK1) and PFKFB3] in primary cardiomyocytes of each group were measured.
RESULTS
2
Compared with the control group, the surface area of primary cardiomyocytes and protein synthesis were significantly increased, the content of FFA, protein and mRNA expressions of HIF-1α, LDHA, PDK1 and PFKFB3 were significantly increased or up-regulated in the AngⅡ group, while the contents of CoA and acetyl-CoA, the protein and mRNA expressions of GLUT-4 were significantly decreased or down-regulated (
P
<0.05). Compared with the AngⅡ group, both TSG group and PFK-015 group showed significant improvements in these indexes, with the TSG+PFK-015 group generally demonstrating superior effects compared to either treatment alone (
P
<0.05).
CONCLUSIONS
2
TSG can reduce the surface area of AngⅡ-induced primary cardiomyocytes, decrease protein synthesis, and inhibit their hypertrophic changes. These effects may be related to improving energy metabolism and the inhibition of glycolysis activity.
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