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Ailanthus altissima (Mill.) Swingle notably decreases the cholesterol induced hyperlipidemia in albino rats 臭椿(密)Swingle可显著降低白化大鼠胆固醇诱导的高脂血症
Pub Date : 2025-10-01 DOI: 10.1016/j.prmcm.2025.100698
Weekar Younus Raja , Insha Mushtaq , Nisar Ahmad Dar , Mohmmad Akbar Dar , Ishtiyaq Ahmad Chashoo , Zulfiqar Ali Bhat

Introduction

Ailanthus altissima, also known as Chun Pi, is native to central and northern China, and several other parts of Central Asia. Ailanthus altissima is used traditionally in the treatment of various diseases, such as obesity, dysentery, asthma, spasms, gastric and intestinal upsets, hemorrhoids and cardiac problems.

Methods

The present study aimed to evaluate the effects of A. altissima root bark extracton serum triglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-c), high-density lipoprotein cholesterol (HDL-c), very low-density lipoprotein cholesterol (VLDL-c), SGOT, SGPT, ALP, total protein, total bilirubin, atherogenic index(AI), cardiac risk index I, atherogenic coefficient, and cardiac risk index II (LDL/HDL ratio). Hyperlipidemia was induced in albino rats via cholesterol administration, and the rats were treated orally with methanol and aqueous extracts at doses of 200 and 400 mg/kg b.w. for 30 days.

Results

Treatment with Ailanthus altissima extract significantly reduced serum TG, total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and low-density lipoprotein cholesterol (VLDL-C) levels and increased high-density lipoprotein cholesterol (HDL-C) levels. The observed effects on the lipid profiles were comparable to those of atorvastatin, a standard antihyperlipidemic drug. Additionally, the plant extracts notably decreased the liver enzyme levels (SGOT, SGPT, and ALP), indicating a protective effect on liver function.

Discussion

Our findings demonstrated that the root bark aqueous extract of Ailanthus altissima effectively reduced hyperlipidemia and improved lipid profiles. The extract significantly improved various atherogenic indices and cardiac risk factors, highlighting its potential as a promising therapeutic agent for preventing atherosclerosis and related cardiovascular diseases. The observed benefits underscore its ability to lower cholesterol levels and reduce cardiovascular risk, suggesting that Ailanthus altissima could be a valuable natural alternative for the management of hyperlipidemia and cardiovascular health.
ailanthus altissima,又名春皮,原产于中国中北部和中亚其他几个地区。臭草传统上用于治疗各种疾病,如肥胖、痢疾、哮喘、痉挛、肠胃不适、痔疮和心脏病。方法本研究旨在评价木耳根皮提取物对血清甘油三酯(TG)、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-c)、高密度脂蛋白胆固醇(HDL-c)、极低密度脂蛋白胆固醇(VLDL-c)、SGOT、SGPT、ALP、总蛋白、总胆红素、动脉粥样硬化指数(AI)、心脏危险指数I、动脉粥样硬化系数和心脏危险指数II (LDL/HDL比)的影响。通过给药胆固醇诱导白化病大鼠高脂血症,分别给予200和400 mg/kg b.w.的甲醇和水提取物口服30 d。结果臭椿提取物显著降低大鼠血清TG、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-C)、低密度脂蛋白胆固醇(VLDL-C)水平,升高高密度脂蛋白胆固醇(HDL-C)水平。观察到的对血脂的影响与阿托伐他汀(一种标准的抗高脂血症药物)相当。此外,植物提取物显著降低肝脏酶水平(SGOT、SGPT和ALP),表明其对肝功能有保护作用。我们的研究结果表明,臭椿根皮水提物可以有效地降低高脂血症,改善血脂谱。该提取物显著改善了各种动脉粥样硬化指标和心脏危险因素,突出了其作为预防动脉粥样硬化和相关心血管疾病的治疗药物的潜力。观察到的益处强调了其降低胆固醇水平和降低心血管风险的能力,表明臭椿可能是治疗高脂血症和心血管健康的有价值的天然替代品。
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引用次数: 0
Geographical origin identification, heavy metal contamination evaluation, and risk assessment of oysters from different regions based on multi-element fingerprinting 基于多元素指纹图谱的不同地区牡蛎产地识别、重金属污染评价及风险评估
Pub Date : 2025-09-29 DOI: 10.1016/j.prmcm.2025.100700
Yuan-sheng Guo , Tian-tian Zuo , Hong-yu Jin , Jing Liu , Xian-long Cheng , Feng Wei

Background

Oysters are one of the most important marine biological resources worldwide, with high nutritional and medicinal value. Enhancing the traceability of oyster products can provide crucial information to improve their quality and safety. Methods: This study focuses on oysters from three different production areas. Multi-element analysis was conducted to establish a multi-element fingerprint for oysters from various regions by ICP-MS. Combined with chemometric methods such as Hierarchical Cluster Analysis (HCA) and Principal Component Analysis (PCA), the study aims to trace the geographic origin of the oysters. Additionally, single-factor pollution index and the Nemerow Index were employed to assess the heavy metal contamination levels in oysters from different regions. Based on these findings, a risk assessment was conducted according to industry guidelines to evaluate the potential health risks to humans from consuming oysters from different production areas.

Results

Chemometric analysis revealed that oyster samples from different production areas clustered into distinct groups with significant difference. The elements Na, Rb, Sn, and Fe were identified as the primary factors responsible for these differences. Additionally, a comprehensive evaluation of heavy metal contamination in oysters from various regions was conducted using both the single-factor pollution index method and the Nemerow composite index method, providing insight into their contamination levels. Based on these results, a risk assessment strategy was applied to evaluate the edible safety of the oysters. The findings indicated that, except for some oyster samples from the northeastern region, which posed certain health risks, oysters from other areas were found to have acceptable health risk levels.

Conclusion

This approach effectively distinguishes the geographical origin of oysters and scientifically assess both heavy metal contamination and health risks, offering valuable strategies for the safety risk assessment of oysters and other traditional Chinese medicines.
牡蛎是世界上最重要的海洋生物资源之一,具有很高的营养和药用价值。加强牡蛎产品的可追溯性可以为提高牡蛎产品的质量和安全提供重要信息。方法:本研究以三个不同产区的牡蛎为研究对象。采用ICP-MS建立了不同产地牡蛎的多元素指纹图谱。结合化学计量学方法,如层次聚类分析(HCA)和主成分分析(PCA),该研究旨在追踪牡蛎的地理起源。此外,采用单因素污染指数和Nemerow指数对不同地区牡蛎重金属污染水平进行了评价。根据这些发现,根据行业准则进行了风险评估,以评估食用来自不同生产区的牡蛎对人类的潜在健康风险。结果不同产地的牡蛎呈明显的聚类,聚类差异显著。元素Na, Rb, Sn和Fe被确定为造成这些差异的主要因素。此外,采用单因素污染指数法和Nemerow复合指数法对不同地区牡蛎的重金属污染进行了综合评价,了解了不同地区牡蛎的污染程度。在此基础上,采用风险评估策略对牡蛎的食用安全性进行了评价。调查结果表明,除了来自东北地区的一些牡蛎样本构成一定的健康风险外,其他地区的牡蛎被发现具有可接受的健康风险水平。结论该方法可有效区分生蚝产地,科学评价生蚝重金属污染和健康风险,为生蚝及其他中成药的安全风险评价提供有价值的策略。
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引用次数: 0
Unveiling macrophage-centric immunomodulatory mechanisms of radix salviae miltiorrhizae in abdominal aortic aneurysm through integrated single-cell transcriptomic, network pharmacological, and molecular docking analyses 通过单细胞转录组学、网络药理学和分子对接分析揭示丹参对腹主动脉瘤巨噬细胞的免疫调节机制
Pub Date : 2025-09-25 DOI: 10.1016/j.prmcm.2025.100694
Xinru Zheng , Runyu Gan , Jingxian Wu , Ruili Xue , Chaoyi Cui , Yuyin Duan
<div><h3>Background</h3><div>Abdominal aortic aneurysm (AAA) represents a fatal vascular disease with prevalence rates of 4–8 % among individuals over 65 years, and rupture mortality rates reaching 60–80 %. With accelerating population aging, AAA incidence continues rising, creating urgent demands for novel therapeutic strategies. Current treatments including surgical intervention and endovascular therapy, while effective, demonstrate significant limitations, and the pathogenic mechanisms remain unclear. The inflammatory microenvironment and macrophages play crucial roles in AAA, yet their immune mechanisms remain controversial. The advancement of single-cell sequencing technology provides new opportunities for elucidating AAA immune mechanisms. This study employed single-cell RNA sequencing (scRNA-seq) and network pharmacology to characterize immune cell features and identify therapeutic targets, exploring the immunomodulatory effects of Radix Salviae miltiorrhizae (RS), aiming to reveal AAA pathogenic mechanisms and provide novel precision treatment strategies.</div></div><div><h3>Method</h3><div>Using scRNA-seq data from healthy and AAA mouse models in the GEO database (GSE239620), we performed preprocessing and quality control through Seurat, employed Harmony to correct batch effects, and combined clustering, pseudotemporal analysis (Monocle2), and cell communication analysis (CellChat) to reveal the characteristics and interactions of immune cells, particularly macrophages, within the AAA inflammatory microenvironment. Network pharmacology utilized TCMSP and SwissADME to screen active components and targets of RS, with molecular docking (AutoDock Vina) validating their binding to target proteins. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses (clusterProfiler) elucidated biological functions. This study integrates scRNA-seq and network pharmacology to explore AAA immune mechanisms and RS therapeutic potential.</div></div><div><h3>Result</h3><div>This study investigated the immune microenvironment of AAA via scRNA-seq, elucidating the pivotal role of macrophages in disease progression. UMAP clustering identified five distinct immune cell types, revealing a significant enrichment of macrophages in AAA samples (<em>P</em> < 0.01). Subsequent sub-clustering analysis distinguished five macrophage subtypes (Mac1–Mac5), each characterized by a unique marker gene expression profile (logFC > 0.5, <em>P</em> < 0.05). Pseudotime analysis using Monocle2 mapped their developmental trajectories and identified key gene modules associated with immune responses and inflammatory regulation (<em>q</em> < 0.1). Furthermore, cell communication analysis with CellChat indicated enhanced interactions between macrophages and T/NK cells, underscored by the robust activation of MHC-I signaling (communication probability > 0.5). GO and KEGG analyses showed that associated genes were primarily enriched in the “re
腹主动脉瘤(AAA)是一种致命的血管疾病,在65岁以上的人群中患病率为4 - 8%,破裂死亡率达到60 - 80%。随着人口老龄化的加速,AAA发病率持续上升,迫切需要新的治疗策略。目前的治疗方法包括手术干预和血管内治疗,虽然有效,但有很大的局限性,而且发病机制尚不清楚。炎症微环境和巨噬细胞在AAA中起关键作用,但其免疫机制仍有争议。单细胞测序技术的进步为阐明AAA免疫机制提供了新的机会。本研究采用单细胞RNA测序(scRNA-seq)和网络药理学方法表征免疫细胞特征,鉴定治疗靶点,探索丹参(RS)的免疫调节作用,旨在揭示AAA致病机制,提供新的精准治疗策略。方法利用GEO数据库(GSE239620)中健康小鼠和AAA小鼠模型的scRNA-seq数据,通过Seurat进行预处理和质量控制,使用Harmony进行批次效应校正,并结合聚类、伪时间分析(Monocle2)和细胞通讯分析(CellChat)来揭示AAA炎症微环境中免疫细胞,特别是巨噬细胞的特征和相互作用。网络药理学利用TCMSP和SwissADME筛选RS的活性成分和靶点,并通过分子对接(AutoDock Vina)验证其与靶蛋白的结合。基因本体(GO)和京都基因与基因组百科全书(KEGG)富集分析(clusterProfiler)阐明了生物功能。本研究将scRNA-seq和网络药理学相结合,探索AAA免疫机制和RS治疗潜力。结果本研究通过scRNA-seq研究了AAA的免疫微环境,阐明了巨噬细胞在疾病进展中的关键作用。UMAP聚类鉴定出五种不同的免疫细胞类型,揭示了AAA样品中巨噬细胞的显著富集(P < 0.01)。随后的亚聚类分析区分了五种巨噬细胞亚型(Mac1-Mac5),每种亚型都具有独特的标记基因表达谱(logFC > 0.5, P < 0.05)。使用Monocle2进行伪时间分析,绘制了它们的发育轨迹,并确定了与免疫反应和炎症调节相关的关键基因模块(q < 0.1)。此外,CellChat的细胞通讯分析表明,巨噬细胞与T/NK细胞之间的相互作用增强,MHC-I信号的强大激活强调了这一点(通讯概率>; 0.5)。GO和KEGG分析显示,相关基因主要富集于“调节先天免疫反应”(P < 0.01)和“脂质与动脉粥样硬化”途径(P < 0.05),网络药理学筛选了RS的有效成分,分子对接发现木犀草素对TNF具有最强的结合亲和力(-8.6 kcal/mol),提示其具有治疗潜力。本研究通过scRNA-seq和网络药理学分析和预测了巨噬细胞在AAA中潜在的关键作用,表明巨噬细胞与T/NK细胞的相互作用增强,在炎症通路中富集。生物活性化合物木犀草素通过计算预测了与TNF的强结合亲和力(-8.6 kcal/mol),表明其具有治疗潜力。
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引用次数: 0
Herb-drug interactions involving pueraria lobata and its bioactive constituents: A comprehensive review 葛根及其生物活性成分的药物相互作用综述
Pub Date : 2025-09-25 DOI: 10.1016/j.prmcm.2025.100696
Chenggong Xie , Chujiong Chen , Zelin Ke , Hengyu Tan , Hongze Zhao , Xuxiang Deng , Hao Liang , Yidi Zeng

INTRODUCTION

Pueraria lobata (PL) is a traditional Chinese medicinal herb that is rich in isoflavonoids, such as puerarin and daidzein. It is widely used to treat cardiovascular, metabolic and oncological disorders. As PL is increasingly being co-administered with conventional drugs, herb–drug interactions (HDI) have emerged as a significant clinical concern. A comprehensive synthesis of the current evidence base is required to clarify the pharmacodynamic and pharmacokinetic profiles of PL-related interactions, as well as their implications for clinical practice.

METHODS

We conducted a comprehensive review of experimental and clinical studies on HDI involving PL and its bioactive constituents. Literature was retrieved from PubMed, CNKI, and Google Scholar up to April 2024. Studies were included if they reported on the pharmacodynamic or pharmacokinetic interactions between PL (or its constituents) and therapeutic drugs. Twenty-three studies met the eligibility criteria: Twelve addressed pharmacodynamic interactions and eleven addressed pharmacokinetic interactions.

RESULTS

In terms of pharmacodynamics, PL exhibited both synergistic and antagonistic effects. Synergistic outcomes included enhanced efficacy in terms of cardiovascular protection, osteoporosis prevention, glycaemic control and chemosensitisation in cancer therapy. Conversely, adverse outcomes were observed, including attenuation of the antiplatelet effect when combined with warfarin or dual antiplatelet therapy and increased mortality when combined with methotrexate in animal models. In terms of pharmacokinetics, puerarin and other constituents were found to modulate cytochrome P450 enzymes and transporters. The effects included inhibiting CYP2D6, suppressing CYP3A, inducing CYP1A2 and altering P-glycoprotein activity. These mechanisms contribute to variable drug metabolism and bioavailability across co-administered agents.

DISCUSSION

Evidence suggests that PL can have beneficial or harmful effects on HDI, depending on the therapeutic context. However, the available data is limited and is largely derived from preclinical models. There is a lack of rigorous clinical trials and the roles of minor constituents remain under-explored. Research gaps include a lack of data on high-risk populations and an incomplete understanding of the mechanisms of pharmacodynamic interactions. To ensure the rational and safe integration of PL into modern medical practice, future work should prioritise translational studies and broaden the focus beyond puerarin to establish safety profiles.
葛根(pueraria lobata, PL)是一种富含葛根素、大豆苷元等异黄酮类化合物的传统中药。它被广泛用于治疗心血管、代谢和肿瘤疾病。随着PL越来越多地与常规药物联合使用,草药-药物相互作用(HDI)已成为一个重要的临床问题。需要对目前的证据基础进行全面的综合,以阐明pl相关相互作用的药效学和药代动力学特征,以及它们对临床实践的影响。方法全面回顾了与白藜芦醇及其生物活性成分有关的HDI的实验和临床研究。文献检索自PubMed、CNKI和b谷歌Scholar,截止到2024年4月。如果研究报告了PL(或其成分)与治疗药物之间的药效学或药代动力学相互作用,则纳入研究。23项研究符合入选标准:12项研究涉及药效学相互作用,11项研究涉及药代动力学相互作用。结果在药效学方面,丙二醇具有增效和拮抗作用。协同结果包括在心血管保护、骨质疏松预防、血糖控制和癌症化疗增敏方面的疗效增强。相反,观察到不良结果,包括在动物模型中与华法林或双重抗血小板治疗联合使用时抗血小板作用减弱,与甲氨蝶呤联合使用时死亡率增加。在药代动力学方面,葛根素和其他成分可以调节细胞色素P450酶和转运蛋白。其作用包括抑制CYP2D6,抑制CYP3A,诱导CYP1A2,改变p糖蛋白活性。这些机制有助于不同的药物代谢和生物利用度在共同给药的药物。有证据表明,PL对HDI有有益或有害的影响,这取决于治疗环境。然而,可用的数据是有限的,并且主要来自临床前模型。缺乏严格的临床试验,次要成分的作用仍未得到充分探索。研究空白包括缺乏关于高危人群的数据和对药效学相互作用机制的不完全理解。为了确保将葛根素合理、安全地纳入现代医疗实践,未来的工作应优先考虑转化研究,并将重点扩大到葛根素以外,以建立安全性概况。
{"title":"Herb-drug interactions involving pueraria lobata and its bioactive constituents: A comprehensive review","authors":"Chenggong Xie ,&nbsp;Chujiong Chen ,&nbsp;Zelin Ke ,&nbsp;Hengyu Tan ,&nbsp;Hongze Zhao ,&nbsp;Xuxiang Deng ,&nbsp;Hao Liang ,&nbsp;Yidi Zeng","doi":"10.1016/j.prmcm.2025.100696","DOIUrl":"10.1016/j.prmcm.2025.100696","url":null,"abstract":"<div><h3>INTRODUCTION</h3><div>Pueraria lobata (PL) is a traditional Chinese medicinal herb that is rich in isoflavonoids, such as puerarin and daidzein. It is widely used to treat cardiovascular, metabolic and oncological disorders. As PL is increasingly being co-administered with conventional drugs, herb–drug interactions (HDI) have emerged as a significant clinical concern. A comprehensive synthesis of the current evidence base is required to clarify the pharmacodynamic and pharmacokinetic profiles of PL-related interactions, as well as their implications for clinical practice.</div></div><div><h3>METHODS</h3><div>We conducted a comprehensive review of experimental and clinical studies on HDI involving PL and its bioactive constituents. Literature was retrieved from PubMed, CNKI, and Google Scholar up to April 2024. Studies were included if they reported on the pharmacodynamic or pharmacokinetic interactions between PL (or its constituents) and therapeutic drugs. Twenty-three studies met the eligibility criteria: Twelve addressed pharmacodynamic interactions and eleven addressed pharmacokinetic interactions.</div></div><div><h3>RESULTS</h3><div>In terms of pharmacodynamics, PL exhibited both synergistic and antagonistic effects. Synergistic outcomes included enhanced efficacy in terms of cardiovascular protection, osteoporosis prevention, glycaemic control and chemosensitisation in cancer therapy. Conversely, adverse outcomes were observed, including attenuation of the antiplatelet effect when combined with warfarin or dual antiplatelet therapy and increased mortality when combined with methotrexate in animal models. In terms of pharmacokinetics, puerarin and other constituents were found to modulate cytochrome P450 enzymes and transporters. The effects included inhibiting CYP2D6, suppressing CYP3A, inducing CYP1A2 and altering P-glycoprotein activity. These mechanisms contribute to variable drug metabolism and bioavailability across co-administered agents.</div></div><div><h3>DISCUSSION</h3><div>Evidence suggests that PL can have beneficial or harmful effects on HDI, depending on the therapeutic context. However, the available data is limited and is largely derived from preclinical models. There is a lack of rigorous clinical trials and the roles of minor constituents remain under-explored. Research gaps include a lack of data on high-risk populations and an incomplete understanding of the mechanisms of pharmacodynamic interactions. To ensure the rational and safe integration of PL into modern medical practice, future work should prioritise translational studies and broaden the focus beyond puerarin to establish safety profiles.</div></div>","PeriodicalId":101013,"journal":{"name":"Pharmacological Research - Modern Chinese Medicine","volume":"17 ","pages":"Article 100696"},"PeriodicalIF":0.0,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multitarget insights into traditional Chinese phytoconstituents against tuberculosis via network pharmacology, molecular docking, and MD simulation 通过网络药理学、分子对接和MD模拟研究中药抗结核多靶点
Pub Date : 2025-09-20 DOI: 10.1016/j.prmcm.2025.100695
Deepthi D Kini , Tathagata Dey , G Divya Theja , S. Shalini , R. Ruthicshaw , Keshava Murthy SG

Introduction

Tuberculosis (TB), caused by Mycobacterium tuberculosis, is a global health threat. Traditional Chinese medicine (TCM), with its extensive use of plant-based compounds, offers a promising alternative for TB treatment. However, the molecular mechanisms underlying the effects of TCM phytoconstituents on TB have not been fully elucidated. This study aims to explore the multitarget therapeutic potential of TCM phytoconstituents for TB management using network pharmacology, molecular docking, and molecular dynamics (MD) simulations.

Methods

Network pharmacology was employed to identify the interactions between phytoconstituents and proteins associated with TB. Molecular docking evaluated compound binding to key TB targets, while MD simulations assessed complex stability and dynamics. Gene expression was analyzed using the eFP server, and mycoCSM predicted bacterial protein responses to compounds, indicating potential drug resistance or susceptibility.

Results

Network pharmacology analysis identified key biological pathways, including the prolactin signalling pathway and the phosphatidylinositol 3-kinase signalling, that may be modulated by these compounds. The docking scores range from -6.5 to -9.0 kcal/mol for Glabroisoflavanone A and B against three major proteins, viz. 1O43, 5XGI, and 6NJS. Both phytoconstituents exhibited a good anti-tubercular sensitivity score. MD simulations (200 ns) further revealed that Glabroisoflavanone A formed the most stable complex with 5XGI.

Discussion

The Glabroisoflavanone A-5XGI complex showed the strongest binding, supported by the most binding free energy (–75.19 ± 4.89 kcal/mol), suggesting a robust interaction. These findings highlight the differential binding and dynamic behavior of phytoconstituents, offering potential insights for therapeutic development.
由结核分枝杆菌引起的结核病是一种全球性的健康威胁。传统中药(TCM)广泛使用植物基化合物,为结核病治疗提供了一个有希望的替代方案。然而,中药植物成分治疗结核的分子机制尚未完全阐明。本研究旨在通过网络药理学、分子对接和分子动力学(MD)模拟,探索中药植物成分在结核病治疗中的多靶点治疗潜力。方法采用网络药理学方法鉴定结核相关蛋白与植物成分的相互作用。分子对接评估了化合物与关键结核靶点的结合,而MD模拟评估了复合物的稳定性和动力学。使用eFP服务器分析基因表达,mycoCSM预测细菌对化合物的蛋白质反应,表明潜在的耐药性或易感性。结果网络药理学分析确定了这些化合物可能调节的关键生物学通路,包括催乳素信号通路和磷脂酰肌醇3-激酶信号通路。Glabroisoflavanone A和B对3种主要蛋白(即1043、5XGI和6NJS)的对接分数在-6.5 ~ -9.0 kcal/mol之间。两种植物成分均表现出良好的抗结核敏感性评分。MD模拟(200 ns)进一步表明,光异黄酮A与5XGI形成了最稳定的配合物。Glabroisoflavanone a - 5xgi配合物结合最强,结合自由能最高(-75.19±4.89 kcal/mol),表明其相互作用强。这些发现突出了植物成分的差异结合和动态行为,为治疗开发提供了潜在的见解。
{"title":"Multitarget insights into traditional Chinese phytoconstituents against tuberculosis via network pharmacology, molecular docking, and MD simulation","authors":"Deepthi D Kini ,&nbsp;Tathagata Dey ,&nbsp;G Divya Theja ,&nbsp;S. Shalini ,&nbsp;R. Ruthicshaw ,&nbsp;Keshava Murthy SG","doi":"10.1016/j.prmcm.2025.100695","DOIUrl":"10.1016/j.prmcm.2025.100695","url":null,"abstract":"<div><h3>Introduction</h3><div>Tuberculosis (TB), caused by <em>Mycobacterium tuberculosis</em>, is a global health threat. Traditional Chinese medicine (TCM), with its extensive use of plant-based compounds, offers a promising alternative for TB treatment. However, the molecular mechanisms underlying the effects of TCM phytoconstituents on TB have not been fully elucidated. This study aims to explore the multitarget therapeutic potential of TCM phytoconstituents for TB management using network pharmacology, molecular docking, and molecular dynamics (MD) simulations.</div></div><div><h3>Methods</h3><div>Network pharmacology was employed to identify the interactions between phytoconstituents and proteins associated with TB. Molecular docking evaluated compound binding to key TB targets, while MD simulations assessed complex stability and dynamics. Gene expression was analyzed using the eFP server, and mycoCSM predicted bacterial protein responses to compounds, indicating potential drug resistance or susceptibility.</div></div><div><h3>Results</h3><div>Network pharmacology analysis identified key biological pathways, including the prolactin signalling pathway and the phosphatidylinositol 3-kinase signalling, that may be modulated by these compounds. The docking scores range from -6.5 to -9.0 kcal/mol for Glabroisoflavanone A and B against three major proteins, viz. 1O43, 5XGI, and 6NJS. Both phytoconstituents exhibited a good anti-tubercular sensitivity score. MD simulations (200 ns) further revealed that Glabroisoflavanone A formed the most stable complex with 5XGI.</div></div><div><h3>Discussion</h3><div>The Glabroisoflavanone A-5XGI complex showed the strongest binding, supported by the most binding free energy (–75.19 ± 4.89 kcal/mol), suggesting a robust interaction. These findings highlight the differential binding and dynamic behavior of phytoconstituents, offering potential insights for therapeutic development.</div></div>","PeriodicalId":101013,"journal":{"name":"Pharmacological Research - Modern Chinese Medicine","volume":"17 ","pages":"Article 100695"},"PeriodicalIF":0.0,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
7,8-Dihydroxyflavone enhances the chemosensitivity of hepatocellular carcinoma cells to arsenic trioxide by disrupting mitochondrial oxidative phosphorylation 7,8-二羟黄酮通过破坏线粒体氧化磷酸化增强肝癌细胞对三氧化二砷的化学敏感性
Pub Date : 2025-09-20 DOI: 10.1016/j.prmcm.2025.100693
Dan-dan Guo , Zhen Tian , Ru-jin Liang , Ting-ting Tan , Yu-wei Hu , Hua Zhu , Jing Zhao , Peng-zhou Hang

Introduction

Arsenic trioxide (ATO) has a well-documented history in traditional Chinese medicine as an effective treatment for acute promyelocytic leukemia and certain solid tumors; however, its efficacy as a standalone chemotherapy agent is limited. 7,8-Dihydroxyflavone (DHF), a TrkB receptor agonist, has shown promising anticancer effects across various malignancies. This study aimed to investigate the therapeutic potential of DHF, both alone and in combination with ATO, in hepatocellular carcinoma (HCC) cells.

Methods

The HCCLM3 and HepG2 cell lines were treated with ATO and DHF, alone or in combination. Cell viability and death ratio were assessed using MTT and live/dead staining. Proliferation and migration were evaluated through EdU staining, wound-healing assays, and colony formation assays. Apoptosis was detected via TUNEL staining, while changes in morphology and mitochondrial function were assessed using Mito-Tracker, transmission electron microscopy, mito-SOX, and JC-1 staining.

Results

The combination of DHF and ATO significantly reduced cell viability, proliferation, and migration, while concurrently increasing cell death and apoptosis compared to monotherapy. Mechanistically, combination treatment notably decreased mitochondrial membrane potential, increased the production of mitochondrial reactive oxygen species (ROS), and suppressed mitochondrial respiration, which was accompanied by reduced protein levels of mitochondrial complexes I, II, III, and V. Furthermore, these effects were reversed by the mitochondrial uncoupler CCCP at a low dose.

Conclusion

These findings suggest that the DHF-ATO combination suppresses HCC progression by impairing mitochondrial oxidative phosphorylation, providing a promising strategy to enhance chemotherapeutic efficacy.
三氧化二砷(ATO)作为一种治疗急性早幼粒细胞白血病和某些实体瘤的有效药物,在中医中有很好的记载;然而,作为单独的化疗药物,其疗效有限。7,8-二羟黄酮(DHF)是一种TrkB受体激动剂,在多种恶性肿瘤中显示出良好的抗癌作用。本研究旨在探讨DHF单独或与ATO联合治疗肝细胞癌(HCC)的治疗潜力。方法ATO和DHF分别单独或联合作用于HCCLM3和HepG2细胞株。采用MTT法和活/死染色法评估细胞活力和死亡率。通过EdU染色、伤口愈合试验和菌落形成试验来评估增殖和迁移。TUNEL染色检测细胞凋亡,Mito-Tracker、透射电镜、mito-SOX和JC-1染色检测细胞形态学和线粒体功能的变化。结果与单药治疗相比,DHF和ATO联合治疗显著降低了细胞活力、增殖和迁移,同时增加了细胞死亡和凋亡。从机制上看,联合治疗显著降低了线粒体膜电位,增加了线粒体活性氧(ROS)的产生,抑制了线粒体呼吸,同时线粒体复合体I、II、III和v的蛋白水平降低。此外,低剂量的线粒体解偶联剂CCCP可以逆转这些影响。结论DHF-ATO联合抑制HCC进展是通过损害线粒体氧化磷酸化,为提高化疗疗效提供了一种有希望的策略。
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引用次数: 0
Anti-inflammatory effects of orally and topically administered nanoformulations of Malva parviflora root extracts, and Prunus persica and Cupressus sempervirens exudates 口服和局部给药的小檗根提取物、桃李和柏树渗出物纳米制剂的抗炎作用
Pub Date : 2025-09-12 DOI: 10.1016/j.prmcm.2025.100685
Poloko Stephen Kheoane , Kingsley Chimaeze Mbara , Mosoatsi Lawrence Mputi , Ts’epo Arnold Lenkoe , Sebusiswe Magama , Mokonyana Mohale , Clemence Tarirai
<div><h3>Background</h3><div>Medicinal plants have been used traditionally as oral and topical herbs for treating inflammation and alleviating pain. Particularly in traditional Chinese medicine (TCM) practices, many plants from the genera <em>Malva, Prunus</em>, and <em>Cupressus</em> are used to treat various inflammation-related diseases. This study investigated <em>in vitro</em> and <em>in vivo</em> anti-inflammatory activity of the root extracts of <em>Malva parviflora</em>, the exudates of <em>Prunus persica, Cupressus sempervirens</em> and their chitosan nanoparticles and chitosan nanogels.</div></div><div><h3>Methods</h3><div><em>In vitro</em> anti-inflammatory activities of <em>M. parviflora</em> root extracts, <em>P. persica</em> and <em>C. sempervirens</em> exudates were investigated using the protein denaturation assay method. A 1% bovine albumin reaction mixture in phosphate buffer and 80% (v/v) methanol was incubated with plant extracts or exudates at 37 °C and 70 °C. Cross-linked chitosan nanoparticles loaded with plant extracts or exudates were prepared by the gelation method. The entrapment efficiency of the plants in the chitosan nanoformulation was estimated using the phenolic content of plant materials. The nanoparticles-based nanogel was formulated by suspending nanoparticles in a gel base. Inflammation was induced in Wistar rats (230 – 270 g) by subcutaneous injection of 0.1 mL of 1% (w/v) carrageenan in the plantar tissue of the right hind paw of the rats. The rats (<em>n</em> = 48) were randomly divided into two experimental groups (A and B) of 24 rats each for oral and topical administration of nanoformulations, respectively. Each group (<em>n</em> = 24) was subdivided into 6 test group (<em>n</em> = 4), where test groups 1, 2, and 3 were treated with 500 mg/kg/BW each of <em>M. parviflora, C. sempervirens</em>, and <em>P. persica</em> nanoparticle/nanogel, either orally or topically, respectively. Test groups 4, 5, and 6, respectively served as positive control, placebo nanoparticles (<em>i.e.</em>, chitosan nanoparticles), and negative control, treated orally or topically with indomethacin (50 mg/kg/BW), chitosan nanoparticle/nanogel alone (500 mg/kg/BW/100 mg/kg/BW), and saline (3 mL).</div></div><div><h3>Results</h3><div><em>P. persica</em> exudate had the highest TPC of 70.42 ± 0.53 µg of GAE/mg compared to <em>M. parviflora</em> root extract and <em>C. sempervirens</em> exudate with the 30.93 ± 1.65 µg of GAE/mg and 9.99 ± 0.65 µg of GAE/mg, respectively. <em>M. parviflora</em> root extracts had the highest <em>in vitro</em> protein denaturation (92.40%) compared to leaves and stem extracts. <em>P. persica</em> and <em>C. sempervirens</em> nanoparticles had the highest entrapment efficiencies (99.46% and 99.56%). <em>M. parviflora</em> root extract nanoparticles showed the greatest inhibition of oedema (90%) with oral administration, outperforming <em>P. persica</em> and <em>C. sempervirens</em> exudates nanoparticle
药用植物传统上被用作治疗炎症和减轻疼痛的口服和局部草药。特别是在传统中医(TCM)实践中,许多来自Malva, Prunus和柏树属的植物被用来治疗各种炎症相关疾病。研究了小檗根提取物、桃李、柏树渗出液及其壳聚糖纳米颗粒和壳聚糖纳米凝胶的体外和体内抗炎活性。方法采用蛋白变性法研究小檗根提取物、桃木根提取物和仙子根渗出液的体外抗炎活性。在磷酸盐缓冲液和80% (v/v)甲醇中,将1%牛白蛋白反应混合物与植物提取物或渗出液在37℃和70℃下孵育。采用凝胶法制备了负载植物提取物或渗出液的交联壳聚糖纳米颗粒。利用植物材料的酚类含量评价了壳聚糖纳米配方中植物的包封效率。将纳米颗粒悬浮在凝胶基中制备纳米颗粒基纳米凝胶。用1% (w/v)卡拉胶0.1 mL皮下注射于Wistar大鼠(230 ~ 270 g)右后爪足底组织诱导炎症反应。48只大鼠随机分为A、B两组,每组24只,分别口服和外用纳米制剂。每组(n = 24)再分为6个试验组(n = 4),其中试验组1、2、3分别口服或局部注射细枝假单胞菌、仙草假单胞菌和桃胶纳米颗粒/纳米凝胶各500 mg/kg/BW。试验4、5、6组分别作为阳性对照组、安慰剂纳米颗粒(即壳聚糖纳米颗粒)和阴性对照组,分别口服或外敷吲哚美辛(50 mg/kg/BW)、壳聚糖纳米颗粒/纳米凝胶(500 mg/kg/BW/100 mg/kg/BW)和生理盐水(3 mL)。桃仁挥发油的GAE含量最高,为70.42±0.53µg /mg,而小藤根挥发油的GAE含量为30.93±1.65µg /mg,仙子挥发油的GAE含量为9.99±0.65µg /mg。小檗根提取物的体外蛋白变性率最高,为92.40%,高于茎和叶提取物。桃红和仙桃纳米颗粒的捕集效率最高,分别为99.46%和99.56%。口服枇杷根提取物纳米颗粒对水肿的抑制作用最大(90%),优于木犀草和仙丹渗出纳米颗粒(均为87%)。在24 h后,小檗、桃树和金针梅纳米颗粒和安慰剂(壳聚糖)纳米颗粒的整体抗炎活性优于吲哚美辛。外用时,金针梅分泌物纳米凝胶对水肿的抑制作用最高,24 h后,安慰剂纳米凝胶的抑制作用优于其他植物纳米凝胶和吲哚美辛。结论药用植物纳米剂型的制备可有效治疗炎症。这一途径可以抵消药物对疾病迅速产生的耐药性以及与多种对抗药物的使用有关的一些副作用。建议使用甾体和非甾体抗炎对照进行进一步的体内研究。
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引用次数: 0
Targeting AMPK signaling: The therapeutic potential of berberine in diabetes and its complications 靶向AMPK信号:小檗碱在糖尿病及其并发症中的治疗潜力
Pub Date : 2025-09-12 DOI: 10.1016/j.prmcm.2025.100689
Kingsley Chimaeze Mbara , Poloko Stephen Kheoane , Clemence Tarirai
<div><h3>Introduction</h3><div>Berberine (黄连素, huáng lián sù) is a time-honored remedy in Traditional Chinese Medicine (TCM) that is found in various medicinal herbs and used to treat diabetes mellitus (DM), infections, diarrhea, and dysentery. Berberine, the major active component of <em>Coptidis rhizome</em> (黄连, huanglian), <em>Phellodendri cortex</em> (黄柏, huangbai), and <em>Mahoniae caulis</em> (亮叶十大功劳, Gong Lao Mu), exhibits several pharmacological activities, including antioxidant, anti-inflammatory, anti-apoptotic, cardioprotective, antineoplastic, antimicrobial, and antidiabetic effects. Antidiabetic effects of berberine are partly attributed to the activation of AMP-activated protein kinase (AMPK), which is a key mechanism and a potential treatment strategy for DM and its complications. This review discusses recent studies on the significant roles of berberine in activating AMPK for treating DM and its complications.</div></div><div><h3>Method</h3><div>We have comprehensively searched online databases like Scopus, PubMed, and Google Scholar for articles published in English between 2016 and 2025 using different permutations of these keywords: “Berberine”, “AMPK”, “Diabetes Mellitus”, “Diabetic nephropathy”, “Diabetic neuropathy”, “Diabetic retinopathy”, “Diabetic cardiomyopathy”, “Diabetic hepatic steatosis,” “Diabetic bone diseases”, “Diabetic atherosclerosis”, “Diabetic cognitive dysfunction”, “Diabetic lung injury” and “Other diabetic complications” to compile this narrative review. Out of 1750 initially retrieved articles, 183 were included based on their relevance to treating DM or its complications through the AMPK signaling pathway, pharmacokinetics, and translational potential. Non-English articles and studies not focused on AMPK activation by berberine and that did not address DM and its complications were excluded.</div></div><div><h3>Results</h3><div>The literature review found that berberine consistently activates AMPK across various preclinical studies of DM. The activation of AMPK is frequently mediated by pathways involving LKB1 and CAMKKβ. Berberine's activation of AMPK positively impacts glucose uptake, insulin sensitivity, lipid metabolism, oxidative stress, and inflammatory responses. Evidence from animal models demonstrated its efficacy in ameliorating complications such as diabetic nephropathy, neuropathy, retinopathy, cardiomyopathy, hepatic steatosis, bone diseases, atherosclerosis, cognitive dysfunction, and lung injury. Clinical trials reported significant reductions in fasting blood glucose (FBG), HbA1c, and lipid levels, with minimal side effects, at standard doses.</div></div><div><h3>Discussion</h3><div>AMPK activation by berberine plays a central role in cellular energy homeostasis, modulating key processes such as gluconeogenesis, lipogenesis, oxidative stress, and inflammation, which contribute to its therapeutic efficacy in metabolic dysfunction and DM-related complications. However, challenges remain re
小檗碱(黄连素,huáng lián sù)是一种历史悠久的中药(TCM)药物,存在于各种草药中,用于治疗糖尿病(DM),感染,腹泻和痢疾。小檗碱是黄连、黄柏和麻老木的主要活性成分,具有抗氧化、抗炎、抗细胞凋亡、保护心脏、抗肿瘤、抗菌和抗糖尿病等药理作用。小檗碱的降糖作用部分归因于amp活化蛋白激酶(AMPK)的激活,这是糖尿病及其并发症的关键机制和潜在治疗策略。本文综述了小檗碱在激活AMPK治疗糖尿病及其并发症中的重要作用。方法综合检索Scopus、PubMed、谷歌Scholar等在线数据库,检索2016 - 2025年期间发表的英文论文,对关键词进行不同排列:“小檗碱”、“AMPK”、“糖尿病”、“糖尿病肾病”、“糖尿病神经病变”、“糖尿病视网膜病变”、“糖尿病心肌病”、“糖尿病肝脂肪变性”、“糖尿病骨病”、“糖尿病动脉粥样硬化”、“糖尿病认知功能障碍”、“糖尿病肺损伤”和“其他糖尿病并发症”进行综述。在最初检索的1750篇文章中,183篇基于其通过AMPK信号通路、药代动力学和翻译潜力治疗糖尿病或其并发症的相关性被纳入。非英文文章和研究不关注小檗碱激活AMPK,不涉及糖尿病及其并发症被排除。结果文献综述发现,小檗碱在糖尿病的各种临床前研究中一致激活AMPK。AMPK的激活通常是由LKB1和CAMKKβ介导的。小檗碱激活AMPK对葡萄糖摄取、胰岛素敏感性、脂质代谢、氧化应激和炎症反应有积极影响。来自动物模型的证据表明,它可以改善糖尿病肾病、神经病变、视网膜病变、心肌病、肝脂肪变性、骨病、动脉粥样硬化、认知功能障碍和肺损伤等并发症。临床试验报告,在标准剂量下,空腹血糖(FBG)、糖化血红蛋白(HbA1c)和血脂水平显著降低,副作用最小。小檗碱激活ampk在细胞能量稳态中起核心作用,调节糖异生、脂肪生成、氧化应激和炎症等关键过程,这有助于其治疗代谢功能障碍和dm相关并发症。然而,挑战仍然存在,如其生物利用度差,潜在的药物相互作用,以及由于配方和给药策略的差异而导致的临床结果的可变性。生物增强剂和新型给药系统的结合可能有助于克服这些限制。需要进一步开展大规模、对照良好的临床试验和药代动力学优化研究,以充分确立小檗碱的治疗潜力,并为其应用制定临床指南。
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引用次数: 0
Gambogic acid: A review of its pharmacological mechanisms against cancer 藤黄酸:抗癌药理机制的研究进展
Pub Date : 2025-09-12 DOI: 10.1016/j.prmcm.2025.100692
Y. Yan , X. Liu , Y. Sun, H. Wang

Introduction

Gambogic acid (GA), a caged xanthone derived from the resin of Garcinia hanburyi (known as Téng Huáng in traditional Chinese medicine), has been historically utilized in TCM for its properties of “combating toxins, eroding sores, dispelling blood stasis, and resolving masses” in the treatment of abscesses, boils, and refractory skin diseases. In recent decades, GA has gained significant attention as a promising multi-target anticancer agent. This review aims to synthesize current preclinical evidence regarding GA’s antitumor mechanisms, its efficacy in combination therapies, and strategies to overcome its pharmacological limitations.

Methods

A systematic literature search was conducted across electronic databases including PubMed, Web of Science, and CNKI to identify relevant preclinical studies investigating the anticancer mechanisms and delivery strategies of GA. Articles were selected based on their relevance to GA’s molecular targets, efficacy in mono- and combination therapy, and novel formulation approaches.

Results

Preclinical studies demonstrate that GA exerts broad-spectrum antitumor effects through multiple mechanisms: induction of apoptosis via mitochondrial and death receptor pathways; cell cycle arrest at G0/G1 or G2/M phases; inhibition of angiogenesis via HIF-1α/VEGF/MMPs suppression; and reduction of metastasis through downregulation of MMPs. GA modulates key oncogenic pathways including NF-κB, PI3K/Akt/mTOR, and MAPKs. It overcomes drug resistance by targeting P-glycoprotein, Bcr-Abl, and SHH pathways. Notably, GA induces immunogenic pyroptosis via caspase-3/GSDME activation and reprograms tumor-associated macrophages by suppressing extracellular vesicle-mediated miR-21 transfer. Synergistic effects are observed when GA is combined with chemotherapy, targeted agents (e.g., bortezomib, gefitinib), radiotherapy, or photothermal therapy. However, GA’s clinical application is limited by poor solubility and bioavailability. Nanocarrier systems—such as polymeric nanoparticles, protein-based carriers, biomimetic designs, and stimuli-responsive formulations—have significantly improved GA’s stability, tumor targeting, and therapeutic index.

Discussion

GA represents a multi-mechanistic anticancer agent derived from TCM with high translational potential. Despite compelling preclinical results, further well-designed clinical trials are essential to validate its efficacy and safety in humans. The integration of GA with modern drug delivery technologies, especially nanotechnology, provides a promising approach to overcoming its physicochemical limitations. Future research should focus on context-dependent pathway modulation, immune microenvironment interactions, and clinical translation of advanced GA formulations.
黄曲霉酸(GA)是一种笼状的山酮,从黄曲霉的树脂中提取(在中医中称为黄曲霉Huáng),因其具有“抗毒素、腐蚀疮、化瘀、化块”的功效,在中医中一直被用于治疗脓肿、疖子和难治性皮肤病。近几十年来,GA作为一种有前景的多靶点抗癌药物受到了广泛的关注。本综述旨在综合目前关于GA抗肿瘤机制的临床前证据,其在联合治疗中的疗效,以及克服其药理学局限性的策略。方法系统检索PubMed、Web of Science、中国知网等电子数据库,收集GA抗癌机制和给药策略的相关临床前研究。文章的选择是基于它们与GA的分子靶点的相关性,单一和联合治疗的疗效,以及新的配方方法。结果临床前期研究表明,GA可通过多种机制发挥广谱抗肿瘤作用:通过线粒体和死亡受体途径诱导细胞凋亡;细胞周期阻滞于G0/G1或G2/M期;通过抑制HIF-1α/VEGF/MMPs抑制血管生成;并通过下调MMPs来减少转移。GA调节NF-κB、PI3K/Akt/mTOR和MAPKs等关键的致癌途径。它通过靶向p -糖蛋白、Bcr-Abl和SHH通路来克服耐药性。值得注意的是,GA通过caspase-3/GSDME激活诱导免疫原性焦亡,并通过抑制细胞外囊泡介导的miR-21转移对肿瘤相关巨噬细胞进行重编程。当GA与化疗、靶向药物(如硼替佐米、吉非替尼)、放疗或光热疗法联合使用时,可以观察到协同效应。然而,GA的临床应用受到溶解度和生物利用度差的限制。纳米载体系统,如聚合纳米颗粒、蛋白质载体、仿生设计和刺激反应配方,显著提高了GA的稳定性、肿瘤靶向性和治疗指数。ga是一种来自中药的多机制抗癌药物,具有很高的转化潜力。尽管有令人信服的临床前结果,但进一步精心设计的临床试验对于验证其在人体中的有效性和安全性至关重要。遗传基因与现代药物传递技术,特别是纳米技术的结合,为克服其物理化学局限性提供了一条有前途的途径。未来的研究应集中在上下文依赖性通路调节、免疫微环境相互作用和高级GA配方的临床翻译上。
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引用次数: 0
Psoralen from Ficus carica: Fractionation, bioactivity, and toxicological-pharmacokinetic comparison with silymarin 无花果中的补骨脂素:分离、生物活性及与水飞蓟素的毒理药代动力学比较
Pub Date : 2025-09-11 DOI: 10.1016/j.prmcm.2025.100690
Kiren Mustafa , Noreen Akhtar , Hina Khalid , Madiha Younas , Muhammad Tariq Saeed , Yuanda Song , Zhihe Li , Hassan Mohamed

Background

Ficus carica (无花果 wúhuāguǒ) is valued in traditional Chinese medicine (TCM) and nutrition for its rich phytochemical content. Our prior research showed a crude fig extract (FLA) selectively fought liver cancer cells (HepG2) in vitro while sparing normal cells.

Purpose

We aimed to isolate an active compound from FLA and analyze the potent bioactivities, particularly anticancer potential, through in vitro and computational studies.

Method

An innovative strategy combined fractionation by vacuum liquid chromatography (VLC) on silica gel (using six non-polar to polar solvent gradients) with thin layer chromatography (TLC) and bioactivity screening on liver (HepG2) and gastric (SGC-7901) cancer cell lines, and antimicrobial assay. The active Fraction 2 (Fr-2) was repeatedly sub-fractionated using Sephadex LH-20 column chromatography and TLC to isolate psoralen. Its mechanism of action against key cancer markers was evaluated via RT-qPCR, molecular docking, and ADMET pharmacokinetic analysis, with silymarin as a comparator.

Results

Fractionation of FLA yielded Fr- 2 (Hexane: Ethyl acetate, 50:50) with the IC50 (mg/mL) against HepG2 (0.31 ± 0.1) and SGC-7901 (0.124 ± 0.05) among the six tested fractions. It also exhibited antimicrobial activity, showing maximum inhibition zones (mm) against Aspergillus flavus FL (18± 0.4 mm), Penicillium chrysogenum FL (20 ± 0.7 mm), and Pseudomonas aeruginosa (17 ± 0.8 mm). Sub-fractionation of Fr- 2 led to the identification of psoralen, which decreased the genetic expression of tumor suppressor Tp53, anti-apoptotic (Bcl2) and Cell cycle kinases (CDK1 and CDK5). Molecular interaction via molecular docking against critical cancer regulators: Tp53, oncoproteins MDM2 and Bcl2, and CDK1/CDK5 also revealed the strong binding affinity of Psoralen. Psoralen demonstrates a novel mechanism of action by dual targeting of the MDM2-p53 axis: it binds p53′s N-TAD (Arg23, -8.8 kcal/mol) to reduce ubiquitination, while competitively inhibiting MDM2 (-5.8 kcal/mol) to stabilize Tp53 and induce apoptosis. Comparative ADMET analysis revealed psoralen's superior water solubility and oral bioavailability (96.67 % absorption) versus silymarin.

Conclusion

The active Fr-2, featuring psoralen, demonstrates broad antimicrobial and anticancer activity by potentially inhibiting the MDM2-p53 pathway to induce apoptosis, and it exhibits a superior ADMET profile compared to silymarin.
无花果(wúhuāguǒ)因其丰富的植物化学成分而具有重要的中药和营养价值。我们之前的研究表明,粗无花果提取物(FLA)在体外选择性地对抗肝癌细胞(HepG2),同时保留正常细胞。目的通过体外实验和计算研究,从黄芪多糖中分离出一种活性化合物,并分析其生物活性,特别是抗癌活性。方法采用真空液相色谱(VLC)和薄层色谱(TLC)相结合的方法,对肝癌细胞(HepG2)和胃癌细胞(SGC-7901)进行生物活性筛选和抑菌试验。采用Sephadex LH-20柱层析和薄层色谱对活性组分2 (Fr-2)进行反复亚分离,分离补骨脂素。以水飞蓟素为比较物,通过RT-qPCR、分子对接和ADMET药代动力学分析,评估其对关键肿瘤标志物的作用机制。结果FLA对HepG2(0.31±0.1)和SGC-7901(0.124±0.05)的IC50 (mg/mL),得到Fr- 2(己烷:乙酸乙酯,50:50)。对黄曲霉FL(18±0.4 mm)、青霉菌FL(20±0.7 mm)和铜绿假单胞菌FL(17±0.8 mm)的抑制范围最大(mm)。Fr- 2的亚分离鉴定出补骨脂素,从而降低肿瘤抑制因子Tp53、抗凋亡(Bcl2)和细胞周期激酶(CDK1和CDK5)的基因表达。通过分子对接与关键癌症调节因子:Tp53、癌蛋白MDM2和Bcl2、CDK1/CDK5的分子相互作用也揭示了补骨脂素的强结合亲和力。补骨脂素通过双重靶向MDM2-p53轴显示了一种新的作用机制:它结合p53的N-TAD (Arg23, -8.8 kcal/mol)来减少泛素化,同时竞争性地抑制MDM2 (-5.8 kcal/mol)来稳定Tp53并诱导细胞凋亡。ADMET对比分析显示,补骨脂素的水溶性和口服生物利用度优于水飞蓟素(96.67%的吸收率)。结论具有补骨脂素特征的活性Fr-2具有广泛的抗菌和抗癌活性,可能通过抑制MDM2-p53通路诱导细胞凋亡,与水飞蓟素相比,其ADMET谱更优越。
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引用次数: 0
期刊
Pharmacological Research - Modern Chinese Medicine
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