基于蛋白组学探讨 717 解毒合剂调控蝮蛇咬伤大鼠细胞外基质稳态的作用机制
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1.江西中医药大学临床医学院,南昌 330004; 2.江西中医药大学附属医院中医外科,南昌 330006;3.江西中医药大学中医学院,南昌 330004

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R285. 5;R459. 9;R-33

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Exploring the mechanism of 717 Jiedu Decoction in regulating extracellular matrix homeostasis in rats after Agkistrodon halys bite based on proteomics
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1. School of Clinical Medicine, Jiangxi University of Chinese Medicine, Nanchang 330004, China. 2. Department of Chinese Medicine Surgery, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang 330006.3. School of Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang 330004

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    摘要:

    目的 采用蛋白组学技术,全面分析蝮蛇毒致毒及 717 解毒合剂干预过程中细胞外蛋白组学信息,探寻蝮蛇毒致局部组织损伤与修复的新的靶分子。 方法 经腓肠肌注射蝮蛇毒溶液建立蝮蛇咬伤大鼠模型,实验分为对照组、模型组、抗蝮蛇毒血清(阳性药物)组和 717 解毒合剂低、中、高剂量组。 首先采用化学去垢剂脱细胞制备细胞外基质(ECM),进行蛋白组学检测与生物信息学分析;再用蛋白免疫印迹(Western blot)法鉴定目标蛋白的表达。 结果 经蛋白组学检测,共鉴定蛋白 6 523 个,筛选细胞外蛋白 606 个。 (1)与模型组比较,717 解毒合剂高剂量组差异表达蛋白(DEPs)共 36 种,其中 25 种上调,11 种下调;有 7 种蛋白在对照组与模型组、模型组与 717 解毒合剂高剂量组比较中呈共同差异表达。 基因本体论(GO)富集分析发现,DEPs 主要在应激、防御、蛋白水解、生物间相互作用、纤维蛋白溶解、肽酶调节剂活性和蛋白结合中显著富集。京都基因与基因组百科全书(KEGG)通路分析发现,DEPs 富集的信号通路有 ECM 受体相互作用、肌动蛋白细胞骨架调控、中性粒细胞胞外陷阱形成、补体和凝血级联通路、流体剪切应力与动脉粥样硬化、代谢通路等。蛋白功能互作网络分析发现,玻连蛋白(Vitronectin)、纤维蛋白原 α 链( Fibrinogen alpha chain)、激肽原- 1(Kininogen 1)、血纤维蛋白溶酶原(Plasminogen)、凝血酶原第二因子(Prothrombin)、整合素 α2(Integrin α2)等蛋白位于网络的关键节点。 (2)选取共同 DEPs Kininogen 1、胎球蛋白 B(Fetuin-B)及蛋白功能互作网络中心节点蛋白 Vitronectin、Integrin α2 进行 Western blot 验证,与模型组比较,抗蝮蛇毒血清组、717 解毒合剂组(低、中、高剂量)Kininogen 1、Fetuin-B 蛋白表达下调(P<0. 01),Vitronectin、Integrin α2 蛋白表达上调(P<0. 01),且各剂量组间存在剂量相关性。 结论 717 解毒合剂调控蝮蛇咬伤大鼠局部 ECM 重塑可能与 ECM 受体相互作用、肌动蛋白细胞骨架调控、中性粒细胞胞外陷阱形成等信号通路相关,差异蛋白 Vitronectin、Integrin α2、Kininogen 1、Fetuin-B 可能为关键靶点。

    Abstract:

    Objective To comprehensively analyze extracellular proteomic information during toxicity induced by Agkistrodon halys venom and the detoxification process of 717 Jiedu Decoction, aiming to explore new target molecules involved in local tissue damage and repair. Methods A rat model of Agkistrodon halys(A. halys) bite was established by injecting A. halys venom into the gastrocnemius muscle of SD rats. Animals were divided into control, model, anti-venom ( positive drug), and low, medium, and high dose 717 Jiedu Decoction (717-L, -M,-H) groups. Extracellular matrix (ECM) was prepared by chemical detergent-mediated decellularization, followed by proteomic detection and bioinformatics analysis. The expression of target proteins was verified by Western blot. Results A total of 6 523 proteins were identified through proteomic analysis, with 606 extracellular proteins screened. (1) Compared with the model group, there were 36 expressed proteins (DEPs) in the high dose of 717 Jiedu Decoction group, including 25 up-regulated and 11 down-regulated proteins. Seven proteins showed common differential expression between the control group and the model group, as well as between the model group and the 717-H group. Gene Ontology enrichment analysis revealed that DEPs involved in responses to stress, defense response, proteolysis, biological interactions, fibrinolysis, peptidase regulator activity, and protease binding were significantly enriched. Kyoto Encyclopedia of Genes and Genomes pathway analysis found that the DEPs were mainly enriched in the signal pathways of ECM-receptor interaction, regulation of the actin cytoskeleton, neutrophil extracellular trap formation, complement and coagulation cascades, fluid shear stress and atherosclerosis, and metabolic pathways. Functional interaction network analysis revealed that proteins such as Vitronectin, Fibrinogen alpha chain, Kininogen 1, Plasminogen, Prothrombin, and Integrin α2b were located at key nodes in the network.(2) Western blot validation was performed on the common DEPs (Kininogen 1 and Fetuin-B) and the central node proteins in the protein functional interaction network (Vitronectin and Integrin α2). Compared with the model group,the anti-venom and 717 Jiedu Decoction groups ( low, medium, and high doses) downregulated Kininogen 1 and fetuin-B expression (P<0. 01), while upregulating the Vitronectin and integrin α2 expression (P<0. 01), with dosedependent effects observed among all doses of 717 Jiedu Decoction groups. Conclusions The regulation of local ECM remodeling in rats after A. halys bite by 717 Jiedu Decoction may be related to signaling pathways such as ECMreceptor interaction, regulation of the actin cytoskeleton, and neutrophil extracellular trap formation. DEPs such as Vitronectin, Integrin α2, Kininogen 1, and Fetuin-B may be key targets.

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王万春,王雨欢,董德刚,易 军,严张仁,李玉梅.基于蛋白组学探讨 717 解毒合剂调控蝮蛇咬伤大鼠细胞外基质稳态的作用机制[J].中国比较医学杂志,2026,36(15):13~26.

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  • 收稿日期:2025-11-25
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  • 在线发布日期: 2026-09-01
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