Background:Oral ulcer is the most common and easily recurrent disease in stomatology,which influence the patients’communication,normal dietary,and sleep.Evodia rutaecarpa(ER)is a traditional Chinese herbal medicine r...Background:Oral ulcer is the most common and easily recurrent disease in stomatology,which influence the patients’communication,normal dietary,and sleep.Evodia rutaecarpa(ER)is a traditional Chinese herbal medicine recorded in ancient Chinese medical books,which has a medicinal history of more than 2,000 years.Clinically,the application of ER at plantar Yongquan point(KI1)is effective in the treatment of oral ulcer.The purpose of this study was to combine the modern transdermal drug delivery system with traditional Chinese medicine to develop the transdermal absorption patch of ER and apply it to the treatment of oral ulcer at Yongquan point of plantar.Methods:Firstly,the medicinal materials of ER were extracted and the extracted materials were prepared into dispersed ER patch.The formulation and preparation process were screened by orthogonal design method and single factor investigation method.The adhesive and transdermal properties of the patch were used as the evaluation index of the preparation.Secondly,Wistar rats were used as experimental animals to establish a rat model of mouth ulcers.Wistar rats were randomly divided into normal group,model group(A),model group(B),low dose group,medium dose group and high dose group.the efficacy of ER on rat’s oral ulcer model was evaluated through three aspect such as apparent index,pathological index and biochemical index.Results:The patch had suitable adhesion and good skin penetration,which was an effective treatment for oral ulcer.In vivo pharmacodynamic studies,compared with the normal group,the body mass and food intake of rats in each group after modeling decreased,the amount of drinking water increased,the tissue structure of oral mucosa was damaged,and the levels of inflammatory factors(TNF-α,IL-6)and malondialdehyde increased,the levels of anti-inflammatory factors(IL-10),cell growth factor(epidermal growth factor,TGF-β_(1))and superoxide dismutase decreased.Compared with the model group,the body weight and food intake of each dosing group increased,water consumption decreased,the oral mucosal tissue structure was more complete,the levels of TNF-α,IL-6 and malondialdehyde decreased,the levels of IL-10,epidermal growth factor,TGF-β1 and superoxide dismutase increased,and the changes of various indexes were dose-related.Conclusion:ER patch can inhibit inflammatory reaction,enhance the antioxidant defense ability of the body,and promote the repair of damaged oral mucosa,so as to play an effective role in the treatment of oral ulcer.展开更多
Oral ulcer is a kind of ulcerative injury that occurs in the oral mucosa and is very common in clinic.In severe case,it can affect the quality of life of the patients.Western medicine treatment of oral ulcer is often ...Oral ulcer is a kind of ulcerative injury that occurs in the oral mucosa and is very common in clinic.In severe case,it can affect the quality of life of the patients.Western medicine treatment of oral ulcer is often prone to relapse,while the effect of traditional Chinese medicine treatment is remarkable.展开更多
Oral ulcer is a kind of ulcerative injury that occurs in the oral mucosa and is very common in clinic.In severe case,it can affect the quality of life of the patients.Western medicine treatment of oral ulcer is often ...Oral ulcer is a kind of ulcerative injury that occurs in the oral mucosa and is very common in clinic.In severe case,it can affect the quality of life of the patients.Western medicine treatment of oral ulcer is often prone to relapse,while the effect of traditional Chinese medicine treatment is remarkable.展开更多
[目的]探讨黄连-升麻药对治疗复发性口腔溃疡(recurrent aphthous ulcer,RAU)的现代药理机制,分析可能存在的中医治法相关疗效因素,进一步指导中医临床辨治。[方法]使用中药系统药理学数据库与分析平台(Traditional Chinese Medicine Sy...[目的]探讨黄连-升麻药对治疗复发性口腔溃疡(recurrent aphthous ulcer,RAU)的现代药理机制,分析可能存在的中医治法相关疗效因素,进一步指导中医临床辨治。[方法]使用中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform,TCMSP)检索药物成分及靶点,通过在线人类孟德尔遗传(Online Mendelian Inheritance in Man,OMIM)数据库、人类基因组注释数据库(Human Genome Annotation Database,GeneCards)等检索疾病相关靶点,取交集后采用STRING平台进行蛋白互作(protein-protein interaction,PPI)分析,以CytoScape 3.7.2软件绘制PPI网络图并筛选出核心靶点,上传至MetaScape数据库,进行基因本体(gene ontology,GO)富集分析与京都基因和基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)信号通路富集分析并构建网络图,利用AutoDock 4.2.6软件进行分子对接,并采用PyMOL软件将对接结果可视化。采用脊柱两侧注射完全弗氏佐剂的方法构建RAU大鼠模型;采用实时定量聚合酶链式反应(Real-time quantitative polymerase chain reaction,Real-time qPCR)检测各组大鼠口腔组织中核心靶基因的表达情况。[结果]筛选得到黄连、升麻活性成分共19个,靶点191个,药物与疾病交集靶点127个,药对干预RAU核心靶点23个,并依据连接度筛选出7个最关键的靶点,核心通路为白细胞介素-17(interleukin-17,IL-17)与肿瘤坏死因子(tumor necrosis factor,TNF)相关的信号通路。分子对接结果显示核心有效成分豆甾醇与各关键靶点均有较高的结合活性。动物实验发现,该药对可有效减少大鼠口腔溃疡数目。与空白对照组比较,模型组、低剂量组、中剂量组和高剂量组关键靶点表达明显更高(P<0.05);高剂量组靶点的mRNA相对表达和口腔溃疡数明显低于模型组、低剂量组、中剂量组(P<0.05)。[结论]黄连-升麻药对治疗RAU的分子机制,与其抗炎、保护口腔黏膜、调节免疫等作用有关,而相关的中医疗效机制涉及清热解毒、化瘀通络、托毒敛疮生肌等。展开更多
基金This work was supported by the Scientific Research Project of Liaoning Province Education Department(2020LJC16).
文摘Background:Oral ulcer is the most common and easily recurrent disease in stomatology,which influence the patients’communication,normal dietary,and sleep.Evodia rutaecarpa(ER)is a traditional Chinese herbal medicine recorded in ancient Chinese medical books,which has a medicinal history of more than 2,000 years.Clinically,the application of ER at plantar Yongquan point(KI1)is effective in the treatment of oral ulcer.The purpose of this study was to combine the modern transdermal drug delivery system with traditional Chinese medicine to develop the transdermal absorption patch of ER and apply it to the treatment of oral ulcer at Yongquan point of plantar.Methods:Firstly,the medicinal materials of ER were extracted and the extracted materials were prepared into dispersed ER patch.The formulation and preparation process were screened by orthogonal design method and single factor investigation method.The adhesive and transdermal properties of the patch were used as the evaluation index of the preparation.Secondly,Wistar rats were used as experimental animals to establish a rat model of mouth ulcers.Wistar rats were randomly divided into normal group,model group(A),model group(B),low dose group,medium dose group and high dose group.the efficacy of ER on rat’s oral ulcer model was evaluated through three aspect such as apparent index,pathological index and biochemical index.Results:The patch had suitable adhesion and good skin penetration,which was an effective treatment for oral ulcer.In vivo pharmacodynamic studies,compared with the normal group,the body mass and food intake of rats in each group after modeling decreased,the amount of drinking water increased,the tissue structure of oral mucosa was damaged,and the levels of inflammatory factors(TNF-α,IL-6)and malondialdehyde increased,the levels of anti-inflammatory factors(IL-10),cell growth factor(epidermal growth factor,TGF-β_(1))and superoxide dismutase decreased.Compared with the model group,the body weight and food intake of each dosing group increased,water consumption decreased,the oral mucosal tissue structure was more complete,the levels of TNF-α,IL-6 and malondialdehyde decreased,the levels of IL-10,epidermal growth factor,TGF-β1 and superoxide dismutase increased,and the changes of various indexes were dose-related.Conclusion:ER patch can inhibit inflammatory reaction,enhance the antioxidant defense ability of the body,and promote the repair of damaged oral mucosa,so as to play an effective role in the treatment of oral ulcer.
文摘Oral ulcer is a kind of ulcerative injury that occurs in the oral mucosa and is very common in clinic.In severe case,it can affect the quality of life of the patients.Western medicine treatment of oral ulcer is often prone to relapse,while the effect of traditional Chinese medicine treatment is remarkable.
文摘Oral ulcer is a kind of ulcerative injury that occurs in the oral mucosa and is very common in clinic.In severe case,it can affect the quality of life of the patients.Western medicine treatment of oral ulcer is often prone to relapse,while the effect of traditional Chinese medicine treatment is remarkable.
文摘[目的]探讨黄连-升麻药对治疗复发性口腔溃疡(recurrent aphthous ulcer,RAU)的现代药理机制,分析可能存在的中医治法相关疗效因素,进一步指导中医临床辨治。[方法]使用中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform,TCMSP)检索药物成分及靶点,通过在线人类孟德尔遗传(Online Mendelian Inheritance in Man,OMIM)数据库、人类基因组注释数据库(Human Genome Annotation Database,GeneCards)等检索疾病相关靶点,取交集后采用STRING平台进行蛋白互作(protein-protein interaction,PPI)分析,以CytoScape 3.7.2软件绘制PPI网络图并筛选出核心靶点,上传至MetaScape数据库,进行基因本体(gene ontology,GO)富集分析与京都基因和基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)信号通路富集分析并构建网络图,利用AutoDock 4.2.6软件进行分子对接,并采用PyMOL软件将对接结果可视化。采用脊柱两侧注射完全弗氏佐剂的方法构建RAU大鼠模型;采用实时定量聚合酶链式反应(Real-time quantitative polymerase chain reaction,Real-time qPCR)检测各组大鼠口腔组织中核心靶基因的表达情况。[结果]筛选得到黄连、升麻活性成分共19个,靶点191个,药物与疾病交集靶点127个,药对干预RAU核心靶点23个,并依据连接度筛选出7个最关键的靶点,核心通路为白细胞介素-17(interleukin-17,IL-17)与肿瘤坏死因子(tumor necrosis factor,TNF)相关的信号通路。分子对接结果显示核心有效成分豆甾醇与各关键靶点均有较高的结合活性。动物实验发现,该药对可有效减少大鼠口腔溃疡数目。与空白对照组比较,模型组、低剂量组、中剂量组和高剂量组关键靶点表达明显更高(P<0.05);高剂量组靶点的mRNA相对表达和口腔溃疡数明显低于模型组、低剂量组、中剂量组(P<0.05)。[结论]黄连-升麻药对治疗RAU的分子机制,与其抗炎、保护口腔黏膜、调节免疫等作用有关,而相关的中医疗效机制涉及清热解毒、化瘀通络、托毒敛疮生肌等。
