基于网络药理和分子对接技术分析丁桂香穴位贴敷治疗高血压病的作用机制
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R285

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中山市医学科研项目立项项目(20231A020190)


Analysis of the Mechanism of Point Application with Dingguixiang in Treating Hypertension Based on Network Pharmacology and Molecular Docking Technology
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    摘要:

    目的:基于网络药理学和分子对接技术分析丁桂香穴位贴敷(主要成分为:桂枝、丁香、藿香)治疗高血压病的作用机制。方法:从中药系统药理学数据库中检索丁桂香穴位贴敷的活性成分及作用靶点,从OMIM、GeneCards数据库获得高血压病疾病靶点。利用STRING数据库和Cytoscape软件构建蛋白质互作(PPI)网络及中药复方目标网络。通过富集分析核心基因,获得相关靶点通路。并对主要活性成分及核心靶点进行分子对接验证。结果:共筛选出丁桂香穴位贴敷活性成分17个,对应作用靶点255个,高血压病相关靶点1 358个,药物与疾病交集靶点83个。“药物-活性成分-靶点”网络显示槲皮素、鼠李素、芫花素等为主要活性成分。PPI网络分析筛选出蛋白激酶B1(AKT1)、过氧化物酶体增殖物激活受体γ(PPARG)、雌激素受体α(ESR1)、B 细胞淋巴瘤2 (BCL2)、肉瘤基因(SRC)、表皮生长因子受体(EGFR)、前列腺素内过氧化物合酶2 (PTGS2,即COX-2)、血管紧张素转换酶(ACE) 等8个核心靶点。GO富集分析共获得3 781个条目(BP3146条、CC 235条、MF 400条),主要涉及血压调节、血液循环、活性氧代谢、膜筏、激素结合等生物学过程。KEGG 通路富集分析获得249 条信号通路,主要富集于糖尿病并发症中的晚期糖基化终末产物及其受体(AGE-RAGE) 信号通路、Rap1信号通路、流体剪切应力与动脉粥样硬化、低氧诱导因子-1(HIF-1) 等信号通路。分子对接结果显示,主要活性成分与核心靶点结合能范围为-7.06~-4.75 kcal/mol,其中芫花素与PPARG(-6.8 kcal/mol)、槲皮素与ESR1(-7.1 kcal/mol)、鼠李素与ESR1(-7.1 kcal/mol) 均表现出较强的结合亲和力。结论:丁桂香穴位贴敷治疗高血压病的作用机制可能是通过鼠李素、槲皮素、芫花素等成分,调节AKT1、PPARG、ESR1、BCL2等靶点,影响血管内皮功能与血管张力平衡,减轻血管炎症反应,参与AGERAGE信号通路、Rap1信号通路、流体剪切应力与动脉粥样硬化等通路来降低血压。

    Abstract:

    Abstract: Objective: To analyze the mechanism of point application with Dingguixiang (main components: Cinnamomi Ramulus,Caryophylli Flos,and Agastachis Herba) in treating hypertension based on network pharmacology and molecular docking technology. Methods:The active ingredients and targets of point application with Dingguixiang were retrieved from the Traditional Chinese Medicine Systems Pharmacology Database, while hypertension-related targets were obtained from the OMIM and GeneCards databases. The STRING database and Cytoscape software were used to construct a protein-protein interaction (PPI) network and a traditional Chinese medicine compound-target network. Core genes were identified through enrichment analysis to obtain relevant target pathways. Molecular docking was performed to validate the main active ingredients and core targets. Results:A total of 17 active ingredients of point application with Dingguixiang were screened, corresponding to 255 targets, with 1 358 hypertension-related targets and 83 intersecting targets between the drug and the disease. The "drug-active ingredients-targets" network indicated that quercetin,rhamnetin,and genkwanin were the main active ingredients. PPI network analysis identified eight core targets: protein kinase B (AKT1), peroxisome proliferator-activated receptor gamma (PPARG), estrogen receptor alpha (ESR1) , B-cell lymphoma 2 (BCL2) , SRC proto-oncogene (SRC) , epidermal growth factor receptor (EGFR), prostaglandin-endoperoxide synthase 2 (PTGS2, i. e., COX-2), and angiotensin-converting enzyme (ACE). GO enrichment analysis yielded 3 781 entries (BP 3 146, CC 235, MF 400), mainly involving biological processes such as blood pressure regulation, blood circulation, reactive oxygen species metabolism, membrane raft,and hormone binding. KEGG pathway enrichment analysis identified 249 signaling pathways,primarily enriched in advanced glycation end products and their receptors in diabetic complications (AGE-RAGE) signaling pathway, Rap1 signaling pathway, fluid shear stress and atherosclerosis, and hypoxia-inducible factor-1 (HIF-1) signaling pathway. Molecular docking results showed binding energies ranging from -7.06 to -4.75 kcal/mol between core active ingredients and core targets. Among them, genkwanin with PPARG (-6.8 kcal/mol), quercetin with ESR1( -7.1 kcal/mol),and rhamnetin with ESR1( -7.1 kcal/mol) exhibited strong binding affinity. Conclusion:The mechanism of point application with Dingguixiang in treating hypertension may involve ingredients such as rhamnetin, quercetin, and genkwanin, which regulate targets including AKT1, PPARG, ESR1, and BCL2, affect vascular endothelial function and vascular tone balance,reduce vascular inflammatory responses,and participate in pathways such as AGE-RAGE signaling,Rap1 signaling,and fluid shear stress and atherosclerosis to lower blood pressure.

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杨格格,黄建龙.基于网络药理和分子对接技术分析丁桂香穴位贴敷治疗高血压病的作用机制[J].新中医,2026,58(9):185-193

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  • 在线发布日期: 2026-05-13
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