安徽农学通报 >
2026 , Vol. 32 >Issue 9: 94 - 98
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2026.09.023
地参多糖(LLP-1)调控细胞周期的网络药理学和分子对接研究
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廖宇星(1997—),男,湖南株洲人,硕士研究生,从事天然产物提取和生物活性研究。 |
Office editor: 吴思文
收稿日期: 2025-10-23
网络出版日期: 2026-05-08
基金资助
国家自然科学基金项目(31860252)
云南省自然科学基金地方高校联合面上项目(202301BA070001-043)
云南省自然科学基金地方高校联合面上项目(202401BA070001-089)
云南省教育厅科学研究基金项目(2025J0767)
大理州科技重点研发计划专项(20242903B030014)
云南省昆虫生物医药研发重点实验室开放项目(AG2022006)
Network pharmacology and molecular docking studies on the regulation of cell cycle by Lycopus lucidus polysaccharide (LLP-1)
Received date: 2025-10-23
Online published: 2026-05-08
地参多糖(LLP-1)作为地参药材的主要活性成分,在改良土壤环境、增强畜禽抗病能力方面展现出较高的应用潜力。基于LLP-1结构特征,本研究使用TargetNet、SwissTargetPrediction和SEA数据库进行靶点预测;从TCGA数据库中筛选出与肝癌预后相关的基因,与预测靶点进行交集分析;利用STRING数据库构建蛋白质互作网络(PPI),并通过LASSO回归筛选核心基因构建预后模型;通过GO和KEGG富集分析鉴定相关生物学过程和信号通路;通过分子对接验证LLP-1与靶蛋白的亲和力。结果表明,预测得到85个潜在靶点与6 767个肝癌相关基因存在19个共同靶点,PPI网络揭示靶点间紧密互作,LASSO回归筛选出6个核心基因(LGALS3、CCNA2、APH1A、CDK1、CDK2、HSP90AA1),预后模型性能中等(AUC>0.6)。GO富集于DNA代谢正调控、细胞周期G2/M和G1/M转换等通路;KEGG富集于细胞周期和癌症通路。分子对接显示,LLP-1与核心靶点结合能<-24.00 kJ/mol,与CCNA2结合能最强(-42.26 kJ/mol)。综上,地参多糖LLP-1可能通过调控细胞周期相关靶点和信号通路发挥抗肝癌活性,并可能调控肿瘤免疫微环境。本文为地参多糖的功能性食品开发提供参考。
廖宇星 , 梁会晴 , 杨雯杰 , 张翠香 , 黄红梅 , 杨棋榕 , 龚嘉棋 , 陈贵元 , 李雪英 . 地参多糖(LLP-1)调控细胞周期的网络药理学和分子对接研究[J]. 安徽农学通报, 2026 , 32(9) : 94 -98 . DOI: 10.16377/j.cnki.issn1007-7731.2026.09.023
Lycopus lucidus polysaccharide (LLP-1) is the main active component of the medicinal herb Lycopus lucidus, demonstrates considerable application potential in improving soil conditions and enhancing the disease resistance of livestock and poultry. Based on the structural characteristics of the LLP-1, this study used the TargetNet, SwissTargetPrediction and SEA databases for target prediction; selected the genes related to the prognosis of liver cancer from the TCGA database, and conducted intersection analysis with the predicted targets; constructed a protein-protein interaction network (PPI) using the STRING database, identified related biological processes and signaling pathways through GO and KEGG enrichment analysis; and verified the correlation between the core target’s prognosis survival curve and immune infiltration; finally, molecular docking was used to validate the affinity of LLP-1 to the target protein.The results showed that the prediction identified 85 potential targets that shared 19 common targets with 6 767 liver cancer-related genes. The PPI network revealed close interactions among the targets, and LASSO regression identified 6 core genes (LGALS3, CCNA2, APH1A, CDK1, CDK2, HSP90AA1). The prognostic model had moderate performance (AUC>0.6). GO enrichment was found in pathways such as positive regulation of DNA metabolism, G2/M and G1/M transitions of the cell cycle; KEGG enrichment was in the cell cycle and cancer pathways. Molecular docking revealed that the binding energy of LLP-1 to the core target was less than -24.00 kJ/mol, among which the binding energy with CCNA2 was the strongest (-42.26 kJ/mol). In summary, the ginseng polysaccharide LLP-1 may exert anti-liver cancer activity by regulating cell cycle-related targets and signaling pathways, and may also regulate the tumor immune microenvironment. This article provides a reference for the development of functional foods containing Lycopus lucidus polysaccharides.
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