Background:Huoxue Tongjiang decoction(HXTJD)is an effective prescription for treating reflux esophagitis(RE).We investigated the effects of HXTJD on esophageal motility and mucosal inflammation in a rat RE model.Metho...Background:Huoxue Tongjiang decoction(HXTJD)is an effective prescription for treating reflux esophagitis(RE).We investigated the effects of HXTJD on esophageal motility and mucosal inflammation in a rat RE model.Methods:Chemical composition of HXTJD was analyzed by ultrahigh-performance liquid chromatography Q-Orbitrap mass spectrometry(MS).The change rates of mean contraction tension forces,mean amplitudes,and mean frequencies for the lower esophageal sphincter(LES)were recorded using the isolated tissue bath system,mechanical tension transducer,and PowerLab physiological recorder.After weighing the stomach,the phenol red labeling method was used to measure the gastric emptying rate.The LES ultrastructure was observed through transmission electron microscopy.Immunofluorescence and western blotting were used to detect the number of interstitial cells of Cajal(ICC)and the expression levels of c-kit protein,connexin43(Cx43),and stem cell factor(SCF).Flow cytometric analysis and enzyme-linked immunosorbent assay were conducted to detect the percentages of T helper 17(Th17)cells and regulatory T(Treg)cells and the serum concentrations of interleukin 6(IL-6),interleukin 17(IL-17),and interleukin 10(IL-10)in the rats.Results:We identified 28 chemical constituents in HXTJD.Regarding esophageal motility,we revealed that HXTJD increased the mean contraction tension forces,mean amplitudes,and mean frequency change rate of LES and the gastric emptying rate;decreased stomach weight;and improved the LES ultrastructure.Additionally,HXTJD increased the number of ICC-positive cells,and c-kit,Cx43,and SCF expression levels.Regarding esophageal inflammation,HXTJD significantly decreased the percentage of Th17 cells,and IL-6 and IL-17 concentrations,and increased the percentage of Treg cells and IL-10 concentration.Conclusion:HXTJD was found to be efficacious in the rat RE model.It may promote esophageal motility and alleviate the inflammatory response by activating the SCF/c-kit/ICC pathway and regulating the Th17/Treg cell balance.展开更多
目的系统评价中医药治疗复发性流产及调节外周血辅助性T细胞(T helper cell 17,Th17)和调节性T细胞(regulatory T cells,Treg)水平的疗效。方法计算机检索中国知网(CNKI)、万方数据库(Wanfang)、维普数据库(VIP)、中国生物医学文献数据...目的系统评价中医药治疗复发性流产及调节外周血辅助性T细胞(T helper cell 17,Th17)和调节性T细胞(regulatory T cells,Treg)水平的疗效。方法计算机检索中国知网(CNKI)、万方数据库(Wanfang)、维普数据库(VIP)、中国生物医学文献数据库(SinoMed)、外文医学信息资源检索平台(FMRS)、PubMed、Cochrane Library、Embase、Web of science等数据库,筛选自建库至2023年6月公开发表的与中医药调控Th17、Treg细胞治疗复发性流产相关的随机对照试验(RCT)。由2名评价者按照Cochrane手册评价文献质量,应用RevMan 5.4软件进行Meta分析。结果纳入10项研究,共计1052例患者。Meta分析结果显示,相较于对照组,试验组患者孕后应用中药治疗可显著提高有效率[RR=1.20,95%CI(1.11,1.30),P<0.00001]和活产率[RR=1.32,95%CI(1.16,1.50),P<0.00001],减少药物不良反应[RR=0.34,95%CI(0.14,0.83),P=0.02]。中药治疗后,Th17细胞表达降低[MD=-0.71,95%CI(-1.01,-0.41),P<0.00001],Treg细胞表达升高[SMD=1.21,95%CI(0.80,1.62),P<0.00001],Th17/Treg细胞比值下降[SMD=-2.62,95%CI(-4.09,-1.14),P=0.0005]。结论中医药孕后或孕前、孕后同时治疗可明显改善复发性流产患者的临床症状,提高活产率,且安全性较高。同时,中医药可降低Th17细胞表达,上调Treg细胞表达,调节Th17/Treg细胞免疫平衡,有利于妊娠后胚胎发育。展开更多
基金supported by the National Natural Science Foundation of China(No.81573737 and 82074213)the science foundation of Tianjin Municipal Health Bureau(No.2023169 and 2021045)the Tianjin Municipal Health Commission Science and Technology Project(No.TJWJ2022QN057).
文摘Background:Huoxue Tongjiang decoction(HXTJD)is an effective prescription for treating reflux esophagitis(RE).We investigated the effects of HXTJD on esophageal motility and mucosal inflammation in a rat RE model.Methods:Chemical composition of HXTJD was analyzed by ultrahigh-performance liquid chromatography Q-Orbitrap mass spectrometry(MS).The change rates of mean contraction tension forces,mean amplitudes,and mean frequencies for the lower esophageal sphincter(LES)were recorded using the isolated tissue bath system,mechanical tension transducer,and PowerLab physiological recorder.After weighing the stomach,the phenol red labeling method was used to measure the gastric emptying rate.The LES ultrastructure was observed through transmission electron microscopy.Immunofluorescence and western blotting were used to detect the number of interstitial cells of Cajal(ICC)and the expression levels of c-kit protein,connexin43(Cx43),and stem cell factor(SCF).Flow cytometric analysis and enzyme-linked immunosorbent assay were conducted to detect the percentages of T helper 17(Th17)cells and regulatory T(Treg)cells and the serum concentrations of interleukin 6(IL-6),interleukin 17(IL-17),and interleukin 10(IL-10)in the rats.Results:We identified 28 chemical constituents in HXTJD.Regarding esophageal motility,we revealed that HXTJD increased the mean contraction tension forces,mean amplitudes,and mean frequency change rate of LES and the gastric emptying rate;decreased stomach weight;and improved the LES ultrastructure.Additionally,HXTJD increased the number of ICC-positive cells,and c-kit,Cx43,and SCF expression levels.Regarding esophageal inflammation,HXTJD significantly decreased the percentage of Th17 cells,and IL-6 and IL-17 concentrations,and increased the percentage of Treg cells and IL-10 concentration.Conclusion:HXTJD was found to be efficacious in the rat RE model.It may promote esophageal motility and alleviate the inflammatory response by activating the SCF/c-kit/ICC pathway and regulating the Th17/Treg cell balance.
文摘目的系统评价中医药治疗复发性流产及调节外周血辅助性T细胞(T helper cell 17,Th17)和调节性T细胞(regulatory T cells,Treg)水平的疗效。方法计算机检索中国知网(CNKI)、万方数据库(Wanfang)、维普数据库(VIP)、中国生物医学文献数据库(SinoMed)、外文医学信息资源检索平台(FMRS)、PubMed、Cochrane Library、Embase、Web of science等数据库,筛选自建库至2023年6月公开发表的与中医药调控Th17、Treg细胞治疗复发性流产相关的随机对照试验(RCT)。由2名评价者按照Cochrane手册评价文献质量,应用RevMan 5.4软件进行Meta分析。结果纳入10项研究,共计1052例患者。Meta分析结果显示,相较于对照组,试验组患者孕后应用中药治疗可显著提高有效率[RR=1.20,95%CI(1.11,1.30),P<0.00001]和活产率[RR=1.32,95%CI(1.16,1.50),P<0.00001],减少药物不良反应[RR=0.34,95%CI(0.14,0.83),P=0.02]。中药治疗后,Th17细胞表达降低[MD=-0.71,95%CI(-1.01,-0.41),P<0.00001],Treg细胞表达升高[SMD=1.21,95%CI(0.80,1.62),P<0.00001],Th17/Treg细胞比值下降[SMD=-2.62,95%CI(-4.09,-1.14),P=0.0005]。结论中医药孕后或孕前、孕后同时治疗可明显改善复发性流产患者的临床症状,提高活产率,且安全性较高。同时,中医药可降低Th17细胞表达,上调Treg细胞表达,调节Th17/Treg细胞免疫平衡,有利于妊娠后胚胎发育。