西南医科大学中西医结合学院/西南医科大学附属中医医院,四川省泸州市龙马潭区春晖路182号,646000
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收稿:2025-06-05,
修回:2025-08-01,
纸质出版:2025-10-17
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刘孟楠,张丁山,伍浩等.基于转录组学和实验验证的参萸养心胶囊治疗心力衰竭的作用机制研究[J].中医杂志,2025,66(20):2149-2156.
LIU Mengnan,ZHANG Dingshan,WU Hao,et al.Mechanism of Action of Shenyu Yangxin Capsules (参萸养心胶囊) in Treatment of Heart Failure:Based on Transcriptomics and Experimental Validation[J].Journal of Traditional Chinese Medicine,2025,66(20):2149-2156.
刘孟楠,张丁山,伍浩等.基于转录组学和实验验证的参萸养心胶囊治疗心力衰竭的作用机制研究[J].中医杂志,2025,66(20):2149-2156. DOI: 10.13288/j.11-2166/r.2025.20.012.
LIU Mengnan,ZHANG Dingshan,WU Hao,et al.Mechanism of Action of Shenyu Yangxin Capsules (参萸养心胶囊) in Treatment of Heart Failure:Based on Transcriptomics and Experimental Validation[J].Journal of Traditional Chinese Medicine,2025,66(20):2149-2156. DOI: 10.13288/j.11-2166/r.2025.20.012.
目的
2
基于转录组学和实验验证探讨参萸养心胶囊治疗心力衰竭的作用机制。
方法
2
将50只C57BL/6小鼠随机分为正常组、模型组、参萸养心低剂量组、参萸养心高剂量组以及福辛普利钠组,每组10只。除正常组外,其他各组均采取背部皮下多点注射异丙肾上腺素溶液5 mg/(kg·d)建立心力衰竭小鼠模型。造模首日起福辛普利钠组予福辛普利钠2.6 mg/(kg·d)灌胃,参萸养心低剂量组、高剂量组分别给予参萸养心胶囊1.56 g/(kg·d)、6.24 g/(kg·d)灌胃,每组均连续28天。末次给药次日采用超声心动图检测小鼠心功能、Masson染色观察心脏组织形态;利用转录组测序筛选小鼠差异基因的mRNA,应用实时荧光定量PCR法和Western Blot法对筛选出的关键差异基因的mRNA和蛋白表达进行验证。
结果
2
与正常组比较,模型组小鼠左室射血分数(LVEF)和左室短轴缩短率(LVFS)值降低,左室舒张末期内径(LVIDd)、左室收缩末期内径(LVIDs)值升高(
P
<0.05),心肌细胞排列结构紊乱,蓝染胶原纤维增多;与模型组比较,各干预组小鼠LVEF和LVFS值升高,LVIDd、LVID
s值降低(
P
<0.05),心肌病理学变化均得到不同程度的改善。与模型组比较,参萸养心高剂量组有831个基因上调,391个基因下调。结合基因本体论(GO)和京都基因与基因组百科全书(KEGG)分析,筛选出过氧化物酶体增殖物激活受体(PPAR)信号通路为关键通路,ACSL1、SCD1、PPARα、Angptl4、CPT1α、PGC-1α 为关键mRNA。与正常组比较,模型组小鼠心脏组织ACSL1、SCD1、PPARα、Angptl4、CPT1α、PGC-1α mRNA及蛋白表达降低(
P
<0.05);与模型组比较,各干预组小鼠心脏组织ACSL1、SCD1、PPARα、Angptl4、CPT1α、PGC-1α mRNA及蛋白表达升高(
P
<0.05);与参萸养心低剂量组比较,参萸养心高剂量组小鼠心脏组织ACSL1、SCD1、PPARα、CPT1α、PGC-1α mRNA及蛋白表达升高(
P
<0.05)。
结论
2
参萸养心胶囊治疗心力衰竭可能与改善心肌纤维化,调控ACSL1、SCD1、PPARα、Angptl4、CPT1α、PGC-1α基因及蛋白表达有关。
Objective
2
To explore the mechanism of action of
Shenyu Yangxin Capsules
(参萸养心胶囊) for heart failure based on transcriptomics and experimental validation.
Method
2
Fifty C57BL/6 mice were randomly divided into a normal group (0.9% sodium chloride solution treatment), a model group (isoproterenol treatment), a low-dose
Shenyu Yangxin
group (1.56 g/kg
Shenyu Yangxin Capsules
treatment), a high-dose
Shenyu Yangxin
group (6.24 g/kg
Shenyu Yangxin Capsules
treatment), and a sodium fosinopril group (2.6 mg/kg sodium fosinopril treatment), with 10 mice in each group. All groups except the normal group were established as heart failure mouse models through intradermal injection of isoproterenol solution (5 mg·kg¹·d⁻¹) via the dorsal subcutaneous site. Starting from the first day of modeling, corresponding doses of the drug were administered via gavage daily for 28 consecutive days. Cardiac function was monitored using echocardiography, and cardiac tissue morphology was observed through Masson staining on the day after the last time administration; transcriptomic sequencing was employed to identify differentially expressed genes across groups, with validation of mRNA and protein expression levels of key differentially expressed genes conducted throu
gh real-time quantitative PCR and Western Blotting.
Results
2
Compared with the normal group, the left ventricular ejection fraction (LVEF) and left ventricular short-axis shortening rate (LVFS) values of the model group mice decreased, while the left ventricular end diastolic diameter (LVIDd) and left ventricular end systolic dia-meter (LVIDs) values increased (
P
<0.05), the cardiac cell clearance structure was disordered, and the blue stained collagen fibers increased. Compared with the model group, echocardiographic analysis of mice in all treatment groups showed an increase in LVEF and LVFS values, and a decrease in LVIDd and LVIDs values (
P
<0.05), and the cardiomyopathological changes were improved to varying degrees. Compared with the model group, the high-dose group showed 831 upregulated genes and 391 downregulated genes. Through GO and KEGG analyses, peroxisome proliferator-activated receptor (PPAR) signaling pathway was identified as the key pathway, with ACSL1, SCD1, PPARα, Angptl4, CPT1α, and PGC-1α being the key differentially expressed genes. Compared with the normal group, the mRNA and protein levels of ACSL1, SCD1, PPARα, Angptl4, CPT1α, and PGC-1α in cardiac tissues of model group mice significantly reduced (
P
<0.05); compared with the model group, all intervention groups showed increased expression levels of these biomarkers in cardiac tissues compared to the model group (
P
<0.05). Compared to low-dose
Shenyu Yangxin
group, the mice in high-dose
Shenyu Yangxin
group demonstrated elevated mRNA and protein expression levels of ACSL1, SCD1, PPARα, CPT1α, and PGC-1α in cardiac tissues (
P
<0.05).
Conclusion
2
Shenyu Yangxin Capsules
may treat heart failure by improving myocardial fibrosis and regulating the expression of ACSL1, SCD1, PPARα, Angptl4, CPT1α, and PGC-1α genes and proteins.
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