痛痒消洗剂可促进大鼠肛瘘术后的创面愈合
王琳月 , 戚文月 , 高记华 , 田茂生 , 许建成
南方医科大学学报 ›› 2024, Vol. 44 ›› Issue (07) : 1256 -1265.
痛痒消洗剂可促进大鼠肛瘘术后的创面愈合
Tongyangxiao Lotion promotes postoperative wound healing in a rat model of anal fistula by downregulating inflammatory factors and suppressing inflammation
目的 通过网络药理学及分子对接技术预测痛痒消洗剂促进创面愈合的潜在靶点,并通过动物实验进行验证。 方法 通过TCMSP、BATMAN数据库筛选痛痒消洗剂活性成分及药物靶点,通过GeneCards、OMIM数据库筛选创面愈合相关靶点,对药物及创面相关靶点取交集,进行PPI分析、GO和KEGG富集分析,25只SD大鼠随机分为模型组(Model),对照组(PP),痛痒消洗剂低、中、高剂量组(TYX-L、TYX-M、TYX-H),n=5。每组大鼠造模后,Model、PP及TYX各组分别予生理盐水、高锰酸钾溶液及低、中、高浓度痛痒消洗剂药液(药物浓度分别为171 mg·mL-1·d-1,342 mg·mL-1·d-1及684 mg·mL-1·d-1)塌渍创面,10 min/次,1次/d,治疗14 d。HE染色观察肉芽组织病理变化,免疫组化观察肉芽组织TNF-α蛋白表达,RT-PCR法检测肉芽组织白介素-1β(IL-1β)、肿瘤坏死因子-α(TNF-α)、白介素-6(IL-6) mRNA水平,Western blotting法检测肉芽组织中IL-1β、TNF-α蛋白表达,ELISA法检测肉芽组织IL-6蛋白表达。 结果 网络药理学获取痛痒消洗剂与创面的共同靶点156个,炎症因子IL-1β、TNF-α、IL-6是痛痒消洗剂促进创面愈合的潜在靶点。痛痒消洗剂6个核心成分与IL-1β、TNF-α、IL-6的结合能都小于-6.0 kcal/mol,较好地与关键蛋白结合。Model组比较,TYX各组、PP组炎细胞浸润较少、可见大量成纤维细胞且有较多胶原沉积,TYX各组大鼠肉芽组织IL-6、IL-1β、TNF-α mRNA及IL-6蛋白表达降低(P<0.05),TYX-M、TYX-H组TNF-α蛋白表达降低(P<0.05);与PP组相比,TYX-M、TYX-H组TNF-α mRNA,TYX-L、TYX-H组IL-6 mRNA表达降低(P<0.05)。 结论 痛痒消洗剂可通过下调炎症因子表达、促进炎症消退而加快组织愈合。
Objective To explore the mechanism of Tongyangxiao Lotion (TYX) for promoting wound healing following surgery for anal fistula. Methods The active ingredients and drug targets of TYX were explored using TCMSP and BATMAN databases, and the targets associated with wound healing were screened using GeneCards and OMIM databases; the intersecting drug and wound-related targets were analyzed with protein-protein interaction (PPI) analysis and GO and KEGG enrichment analyses. In 25 SD rat models with simulated anal fistula surgery, the effect of wound dressing with TYX at low, medium and high doses (once daily for 14 days) on wound healing were assessed in comparison with potassium permanganate (PP) solution. The granulation tissues collected from the wounds were examined for pathological changes with HE staining and for TNF-α expression using immunohistochemistry. The expressions of 1β, TNF-α, IL-6 mRNA and proteins in the granulation tissue were detected using RT-qPCR, Western blotting or ELISA. Results Network pharmacology analysis yielded 156 common targets between TYX and wound healing, and among them IL-1β, TNF-α, and IL-6 were identified as potential targets of TYX for promoting wound healing. Six core components of TYX were capable of binding to IL-1β, TNF-α, and IL-6 with binding energies all below -6.0 Kcal/mol. In the rat models, the wounds with TYX and PP solution dressing showed significantly reduced inflammatory cell infiltration and increased fibroblasts and collagen deposition. TYX at the 3 doses and PP solution all significantly reduced the expressions of IL-6, IL-1β, TNF-α mRNA and IL-6 protein in the granulation tissues, but TYX at the medium and high doses produced significantly stronger effects than PP solution for lowering TNF-α protein expression and mRNA expressions of TNF-α and IL-6. Conclusion TYX accelerates wound healing by down-regulating the inflammatory factors and reducing inflammation in the wounds.
创面愈合 / 肛瘘 / 网络药理学 / 白介素 / 肿瘤坏死因子
wound healing / anal fistula / network pharmacology / interleukin / tumor necrosis factor-α
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