南方医科大学学报 ›› 2025, Vol. 45 ›› Issue (3): 494-505.doi: 10.12122/j.issn.1673-4254.2025.03.07

• • 上一篇    

活络效灵丹促进斑马鱼尾鳍再生的核心靶点与免疫调控机制

黄妍1(), 陈曦1, 秦梦晨1, 高磊1,2,3()   

  1. 1.南方医科大学中医药学院,广东 广州 510515
    2.广东省中药制剂重点实验室,广东 广州 510515
    3.广东省中西医结合防治情志病基础研究卓越中心,广东 广州 510515
  • 收稿日期:2024-11-20 出版日期:2025-03-20 发布日期:2025-03-28
  • 通讯作者: 高磊 E-mail:1197448288@qq.com;raygaolei@smu.edu.cn
  • 作者简介:黄 妍,在读本科生,E-mail: 1197448288@qq.com
  • 基金资助:
    国家自然科学基金(82074131);2023年度广东省大学生创新创业训练计划项目(S202312121202)

Core targets and immune regulatory mechanisms of Huoluo Xiaoling Pellet for promoting zebrafish fin regeneration

Yan HUANG1(), Xi CHEN1, Mengchen QIN1, Lei GAO1,2,3()   

  1. 1.School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
    2.Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Preparations, Guangzhou 510515, China
    3.Guangdong Provincial Center of Excellence for Integrated Traditional Chinese and Western Medicine in Basic Research for the Prevention and Treatment of Emotional Disorders, Guangzhou 510515, China
  • Received:2024-11-20 Online:2025-03-20 Published:2025-03-28
  • Contact: Lei GAO E-mail:1197448288@qq.com;raygaolei@smu.edu.cn
  • Supported by:
    National Natural Science Foundation of China(82074131)

摘要:

目的 基于网络药理学和体内实验验证分析活络效灵丹促进组织修复的潜在核心靶点与免疫调控机制。 方法 基于网络药理学筛选活络效灵丹的活性成分以及疾病作用靶点,利用STRING数据库构建PPI筛选核心蛋白,并进行GO、KEGG富集分析以及分子对接预测活络效灵丹的药理机制。体内实验:通过斑马鱼药毒实验评估活络效灵丹的毒性作用,并将3 dpf幼鱼尾鳍切除95%建立斑马鱼尾鳍截断模型,设置模型组(胚胎水)、活络效灵丹低、中、高浓度干预组(10、20、40 μg/mL),通过再生面积观察和qPCR检测评估活络效灵丹促进组织再生的药效及核心靶点。利用巨噬细胞和中性粒细胞双荧光标记的转基因斑马鱼,观察免疫细胞在不同修复阶段的迁移情况,qPCR检测组织再生不同时间段巨噬细胞的分型。 结果 筛选出活络效灵丹中活性成分与组织修复共有149个交集靶点,其中核心靶点有AKT1IL-6TNF-αEGFRSTAT3,结合GO和KEGG富集分析提示活络效灵丹主要通过JAK-STAT信号通路、黏附连接、对细胞迁移的正向调控等发挥作用。药毒实验显示,药物安全浓度为40 μg/mL,致死浓度为320 μg/mL,超过80 μg/mL活络效灵丹可导致斑马鱼幼鱼出现肾脏、心包水肿及血管发育不良。体内实验中,与模型组相比,活络效灵丹药物干预组斑马鱼尾鳍修复面积增高(P<0.05),同时显著抑制IL-6TNF-α,激活AKT1EGFRSTAT3基因的表达(P<0.05)。活络效灵丹可以调节再生部位中性粒细胞和巨噬细胞的聚集,并在组织再生不同时间段调节M1和M2型巨噬细胞的极化(P<0.05)。 结论 在斑马鱼尾鳍再生过程中,活络效灵丹通过多成分、多靶点和多通路机制显著促进组织修复。其功能可能涉及调节伤口局部的免疫细胞迁移及巨噬细胞极化,从而有效减轻炎症反应,促进愈合进程。

关键词: 活络效灵丹, 组织修复, 免疫机制, 核心靶点, 斑马鱼

Abstract:

Objective To investigate the core targets and immunomodulatory mechanisms of Huoluo Xiaoling Pellet (HLXLP) for promoting tissue repair. Methods Network pharmacology and protein-protein interaction network were used to screen active components in HLXLP, the disease-related targets and the core targets, followed by GO and KEGG enrichment analyses and molecular docking to predict the pharmacological mechanisms. The toxicity of HLXLP was evaluated in zebrafish, and in a tissue regeneration model established in 3 dpf zebrafish larvae by amputating 95% of the tail fin, the effects of a formulated zebrafish embryo culture medium and 10, 20, and 40 μg/mL of aqueous extract of HLXLP on tissue regeneration was evaluated; RT-qPCR was performed to detect mRNA expressions of tissue regeneration marker genes and the core target genes. Transgenic zebrafish with fluorescently labeled macrophages and neutrophils were used to observe immune cell migration during tissue regeneration, and macrophage polarization at different stages was assessed with RT-qPCR. Results We identified a total of 149 intersected targets between HLXLP active components and tissue repair and 5 core targets (AKT1, IL-6, TNF-α, EGFR and STAT3). GO and KEGG analyses suggested that the effects of HLXLP were mediated primarily through the JAK-STAT pathway, adhesion junctions and positive regulation of cell migration. HLXLP was minimally toxic below 40 μg/mL and lethal at 320 μg/mL in zebrafish, and caused renal and pericardial edema and vascular defects above 80 μg/mL. In zebrafish with tail fin amputation, HLXLP significantly promoted tissue regeneration, reduced IL-6 and TNF-α and enhanced AKT1, EGFR and STAT3 mRNA expressions, modulated neutrophil and macrophage recruitment to the injury sites, and regulated M1/M2 macrophage polarization during tissue regeneration. Conclusion HLXLP promotes zebrafish tail fin regeneration through multiple active components, targets and pathways for immunomodulation of immune cell migration and macrophage polarization to suppress inflammation and accelerate healing.

Key words: Huoluo Xiaoling Pellet, tissue repair, immunologic mechanism, core target, zebrafish