BACKGROUND Helicobacter pylori(H.pylori)is the primary risk factor for gastric cancer(GC),the Wnt/β-Catenin signaling pathway is closely linked to tumourigenesis.GC has a high mortality rate and treatment cost,and th...BACKGROUND Helicobacter pylori(H.pylori)is the primary risk factor for gastric cancer(GC),the Wnt/β-Catenin signaling pathway is closely linked to tumourigenesis.GC has a high mortality rate and treatment cost,and there are no drugs to prevent the progression of gastric precancerous lesions to GC.Therefore,it is necessary to find a novel drug that is inexpensive and preventive to against GC.AIM To explore the effects of H.pylori and Moluodan on the Wnt/β-Catenin signaling pathway and precancerous lesions of GC(PLGC).METHODS Mice were divided into the control,N-methyl-N-nitrosourea(MNU),H.pylori+MNU,and Moluodan groups.We first created an H.pylori infection model in the H.pylori+MNU and Moluodan groups.A PLGC model was created in the remaining three groups except for the control group.Moluodan was fed to mice in the Moloudan group ad libitum.The general condition of mice were observed during the whole experiment period.Gastric tissues of mice were grossly and microscopically examined.Through quantitative real-time PCR(qRT-PCR)and Western blotting analysis,the expression of relevant genes were detected.RESULTS Mice in the H.pylori+MNU group showed the worst performance in general condition,gastric tissue visual and microscopic observation,followed by the MNU group,Moluodan group and the control group.QRT-PCR and Western blotting analysis were used to detect the expression of relevant genes,the results showed that the H.pylori+MNU group had the highest expression,followed by the MNU group,Moluodan group and the control group.CONCLUSION H.pylori can activate the Wnt/β-catenin signaling pathway,thereby facilitating the development and progression of PLGC.Moluodan suppressed the activation of the Wnt/β-catenin signaling pathway,thereby decreasing the progression of PLGC.展开更多
[Objectives]To use liquid chromatography-mass spectrometry technology to analyze the chemical composition of traditional Chinese medicine and explore its application in the evaluation of quality stability of tradition...[Objectives]To use liquid chromatography-mass spectrometry technology to analyze the chemical composition of traditional Chinese medicine and explore its application in the evaluation of quality stability of traditional Chinese medicine.[Methods]Ultra performance liquid chromatography-quadrupole time-of-flight mass spectrometry(UPLC-QTOF-MS)was used to detect the samples of Moluodan concentrated pills.By comparing and analyzing the detection results of 10 different batches of Moluodan concentrated pills,combined with principal component analysis(PCA),the quality stability of Moluodan concentrated pills was evaluated.[Results]A total of 367 chemical components were identified in Moluodan concentrated pills.The average repetition rate of the chemical components contained in the 10 different batches of samples reached 92%.The overall quality stability of the Moluodan concentrated pills was good.[Conclusions]The UPLC-QTOF-MS technology combined with PCA provides a reference for the overall quality evaluation of Moluodan concentrated pills,and provides new detection methods and ideas for the analysis of the components of Chinese medicine.展开更多
Objective: To assess the efficacy and safety of Moluodan (摩罗丹~) in treating dysplasia in chronic atrophic gastritis (CAG) patients. Methods: This was a multi-centered, double-blind, randomized controlled tria...Objective: To assess the efficacy and safety of Moluodan (摩罗丹~) in treating dysplasia in chronic atrophic gastritis (CAG) patients. Methods: This was a multi-centered, double-blind, randomized controlled trial. The total of 196 subjects were assigned to receive either Moluodan or folic acid in a 2:1 ratio by blocked randomization. Mucosa marking targeting biopsy (MTB) was used to insure the accuracy and consistency between baseline and after 6-month treatment. Primary outcomes were histological score, response rate of pathological lesions and dysplasia disappearance rate. Secondary endpoints included gastroscopic findings, clinical symptom and patient reported outcome (PRO) instrument. Results: Dysplasia score decreased in Moluodan group (P=0.002), significance was found between groups (P=0.045). Dysplasia disappearance rates were 24.6% and 15.2% in Moluodan and folic acid groups respectively, no significant differences were found (P=0.127). The response rate of atrophy and intestinal metaplasia were 34.6% and 23.0% in Moluodan group, 24.3% and 13.6% in folic acid group. Moluodan could improve erythema (P=0.044), and bile reflux (P=0.059), no significance between groups. Moluodan was better than folic acid in improving epigastric pain, epigastric suffocation, belching and decreased appetite (P〈0.05), with symptom disappearance rates of 37% to 83%. Conclusions: Moluodan improved dysplasia score in histopathology, and erythema and bile reflux score in endoscopy, and superior to folic acid in improving epigastric pain, epigastric suffocation, belching and decreased appetite.展开更多
基金All procedures involving animals were reviewed and approved by the Institutional Animal Care and Use Committee of the Southwest Medical University(Protocol No.SWMU20230818).
文摘BACKGROUND Helicobacter pylori(H.pylori)is the primary risk factor for gastric cancer(GC),the Wnt/β-Catenin signaling pathway is closely linked to tumourigenesis.GC has a high mortality rate and treatment cost,and there are no drugs to prevent the progression of gastric precancerous lesions to GC.Therefore,it is necessary to find a novel drug that is inexpensive and preventive to against GC.AIM To explore the effects of H.pylori and Moluodan on the Wnt/β-Catenin signaling pathway and precancerous lesions of GC(PLGC).METHODS Mice were divided into the control,N-methyl-N-nitrosourea(MNU),H.pylori+MNU,and Moluodan groups.We first created an H.pylori infection model in the H.pylori+MNU and Moluodan groups.A PLGC model was created in the remaining three groups except for the control group.Moluodan was fed to mice in the Moloudan group ad libitum.The general condition of mice were observed during the whole experiment period.Gastric tissues of mice were grossly and microscopically examined.Through quantitative real-time PCR(qRT-PCR)and Western blotting analysis,the expression of relevant genes were detected.RESULTS Mice in the H.pylori+MNU group showed the worst performance in general condition,gastric tissue visual and microscopic observation,followed by the MNU group,Moluodan group and the control group.QRT-PCR and Western blotting analysis were used to detect the expression of relevant genes,the results showed that the H.pylori+MNU group had the highest expression,followed by the MNU group,Moluodan group and the control group.CONCLUSION H.pylori can activate the Wnt/β-catenin signaling pathway,thereby facilitating the development and progression of PLGC.Moluodan suppressed the activation of the Wnt/β-catenin signaling pathway,thereby decreasing the progression of PLGC.
基金Youth Project of Natural Science Foundation of Hebei Province(C2019402141)Science and Technology Research Project for Colleges and Universities in Hebei Province(QN2019215)Science and Technology Research and Development Plan of Handan City(1727201061).
文摘[Objectives]To use liquid chromatography-mass spectrometry technology to analyze the chemical composition of traditional Chinese medicine and explore its application in the evaluation of quality stability of traditional Chinese medicine.[Methods]Ultra performance liquid chromatography-quadrupole time-of-flight mass spectrometry(UPLC-QTOF-MS)was used to detect the samples of Moluodan concentrated pills.By comparing and analyzing the detection results of 10 different batches of Moluodan concentrated pills,combined with principal component analysis(PCA),the quality stability of Moluodan concentrated pills was evaluated.[Results]A total of 367 chemical components were identified in Moluodan concentrated pills.The average repetition rate of the chemical components contained in the 10 different batches of samples reached 92%.The overall quality stability of the Moluodan concentrated pills was good.[Conclusions]The UPLC-QTOF-MS technology combined with PCA provides a reference for the overall quality evaluation of Moluodan concentrated pills,and provides new detection methods and ideas for the analysis of the components of Chinese medicine.
基金Supported by the 11th Five-Year Plan from Ministry of Sciences and Technology of China(No.2006BAI04A08)
文摘Objective: To assess the efficacy and safety of Moluodan (摩罗丹~) in treating dysplasia in chronic atrophic gastritis (CAG) patients. Methods: This was a multi-centered, double-blind, randomized controlled trial. The total of 196 subjects were assigned to receive either Moluodan or folic acid in a 2:1 ratio by blocked randomization. Mucosa marking targeting biopsy (MTB) was used to insure the accuracy and consistency between baseline and after 6-month treatment. Primary outcomes were histological score, response rate of pathological lesions and dysplasia disappearance rate. Secondary endpoints included gastroscopic findings, clinical symptom and patient reported outcome (PRO) instrument. Results: Dysplasia score decreased in Moluodan group (P=0.002), significance was found between groups (P=0.045). Dysplasia disappearance rates were 24.6% and 15.2% in Moluodan and folic acid groups respectively, no significant differences were found (P=0.127). The response rate of atrophy and intestinal metaplasia were 34.6% and 23.0% in Moluodan group, 24.3% and 13.6% in folic acid group. Moluodan could improve erythema (P=0.044), and bile reflux (P=0.059), no significance between groups. Moluodan was better than folic acid in improving epigastric pain, epigastric suffocation, belching and decreased appetite (P〈0.05), with symptom disappearance rates of 37% to 83%. Conclusions: Moluodan improved dysplasia score in histopathology, and erythema and bile reflux score in endoscopy, and superior to folic acid in improving epigastric pain, epigastric suffocation, belching and decreased appetite.