Objective To observe the clinical efficacy of Guishao Liujunzi Decoction combined with traditional Chinese medicine(TCM)mouthrinse in the treatment of helicobacter pylori(Hp)associated gastritis,and its effect on the Hp conversion rate.Methods Eighty patients with Hp-related gastritis were selected and randomly divided into the control group(standard quadruple therapy)and the treatment group(standard quadruple therapy combined with Guishao Liujunzi Decoction and TCM mouthrinse),with 40 patients in each group.The clinical efficacy,TCM syndrome scores,and Hp conversion rate of the two groups were observed.Results The total effective rate of the treatment group(95%)was higher than that of the control group(72.5%)(P<0.05).The Hp conversion rate in the treatment group(90%)was higher than that in the control group(72.5%)(P<0.05).After treatment,the main symptom scores and total scores of the two groups decreased compared to before treatment,and the treatment group was lower than the control group(P<0.05).Conclusion The combination of modified Guishao Liujunzi decoction and TCM mouthrinse in the treatment of Hp-related gastritis can significantly improve clinical efficacy and Hp negative conversion rate compared to conventional treatment.

Objective To investigate and validate the expression profiles of Ppp3cb and Ppm1g through differential proteomic analysis of hippocampal tissue in NHE1 gene knockout mice with proteomic analysis.Method ① Six 2-week-old NHE1 knockout mice were selected as the model group,and 6 wild-type mice of the same age served as the control group,and their genotypes were detected by agar-gel electrophoresis.Open field test and forced swimming test were used to evaluate the behaviors of mice in the model group and control group,and epileptic seizure was graded according to Racine scoring.② Tandem mass spectrometry was employed to screen the differential proteins in the hippocampus tissues from the model group and the control group.Then the obtained differential proteins were annotated and enriched in the Gene Ontology(GO)database.Search tool for the retrieval of interesting genes(STRING)database was used to analyze protein-protein interaction(PPI)among different proteins.③ The transcriptional and translational levels of Ppp3cb and Ppm1g were detected by qPCR and Western blotting,respectively,and their expression levels in the tissues were observed with immunohistochemistry.Results ① NHE1 was not expressed in the model group.The mice of the model group had shorter total movement distance(P=0.007 3)and less crossing cells(P＜0.000 1)in open field test,and longer period of immobility in forced swimming test(P＜0.000 1)when compared with those from the control group.② When fold change ≥1.2 times and P＜0.05 were set as the significant threshold for differential expression,845 differentially expressed protein sites were detected in the hippocampus,among which 9 proteins(including Ppm1g)were up-regulated and 7 ones(including Ppp3cb)were down-regulated.Gene Ontology(GO)functional analysis showed that after NHE1 knockout,the most significant differences were observed in the concentration of molecular function(MF)related to protein serine/threonine phosphatase activity,concentration of cellular component(CC)related to the plasma membrane,and concentration of biological process(BP)related to negative regulation of biological processes and immune system processes.STRING analysis indicated that the differential proteins Ppp3cb and Slc9a1 directly acted,Ppm1g indirectly acted through Ppp3cb and Slc9a1,and Ppp3cb and Ppm1g interacted.③The transcriptional and translational levels of Ppp3cb were decreased,and its expression level was reduced in the tissues,while those of Ppm1g were increased,and its expression was elevated in the tissues(P＜0.05).Conclusion In the hippocampus of NHE1 gene knockout mice,the expression of differential protein Ppp3cb is down-regulated and that of Ppm1g is up-regulated,which provide a basis for further study on their involvement in the pathogenesis of epilepsy.

Abstract OBJECTIVE To establish a model of the relationship between the structure and activity of EGFR inhibitors, and to design new inhibitor molecules and predict their activity based on the information obtained on important structural factors affecting activity, so as to provide a basis for the design of inhibitor molecules. METHODS Discovery Studio 2019 software was used for 3D-QSAR research and partial least squares calculation. Autodock was used for molecular docking. Study two-dimensional interactions by using LigPlot. RESULTS The model had a high q2(0.521), and r2(r2training=0.993, r2test=0.916, r2blind=0.940), indicated that the model had high predictive ability and fitting ability. CONCLUSION The prediction results show that the newly designed compounds have higher activity, providing reference for the design of EGFR inhibitor molecules.

Objective     To investigate short-term outcomes of robot-assisted Heller-Dor myotomy (RAHM-Dor) for achalasia of cardia and our learning curve experience. Methods     The clinical data and recent follow-up results of 42 patients who received RAHM-Dor from November 2015 to January 2020 in the Department of Thoracic Surgery of the First Affiliated Hospital of Nanchang University were retrospectively analyzed, including 20 males and 22 females with a mean age of 40.8±18.4 years. Results    Dysphagia was the most common symptom, followed by heartburn and regurgitation. The mean operation time was 122.8±23.9 min. The mean blood loss was 47.5±32.7 mL. Two patients suffered mucosal injury, and successfully repaired by suturing during surgery. There was no esophageal fistula, conversion to an open operation or perioperative death in this series. The median length of hospital stay was 8 (6, 9) d. In all patients, the Stooler and Eckardt scores of postoperative 1, 6 and 12 months decreased compared to those of pre-operation (P<0.001). Conclusion     RAHM-Dor is a safe and feasible avenue for the treatment of achalasia of cardia, and can achieve a satisfying short-term results. The learning curve shows a transition to the standard stage from the learning stage after 16-18 operations.

Objective To investigate the effect of short-term complications after D2 radical gastrectomy on long-term survival rate of gastric cancer patients. Methods A retrospective case-control study was conducted on 421 patients with gastric cancer who underwent D2 radical gastrectomy. According to the short-term postoperative complications, they were divided into experimental group (complication group, n=76) and control group (without complication group, n=345). In order to reduce the selection bias, the long-term survival rate of the two groups was tested by Kaplan-Meier survival analysis method after balancing the variables by propensity score matching (PSM). Log rank method was used for univariate analysis and Cox multivariate analysis was used for prognostic factors. Results There was no significant difference in long-term survival rate between the experimental group and the control group (P > 0.05). Histological type, lymph node metastasis rate and pTNM stage were independent risk factors for long-term survival. Conclusion The short-term complications after D2 radical gastrectomy have no significant impact on the long-term survival rate of gastric cancer patients, but it has certain clinical significance to actively prevent and control complications.

Eleven alkaloids were isolated from the twigs and leaves of Ervatamia pandacaqui using chromatographic methods of silica gel, Sephadex LH-20, ODS, and HPLC.Their structures were elucidated by physical,chemical and spectroscopic methods and determined as voacristine 7-hydroxyindolenine (1),iboxygaine (2), 19S-hydroxyibogamine (3), 3-oxotabersonine (4), perivine (5), pericyclivine (6), rhazinalinol (7), geissoschizol (8), 3, 14-dihydroolivacine (9), vallesamine (10), and conolobine A (11), respectively.All compounds were isolated from this plant for the first time.

Purpose: Fibroblast growth factor receptor 4 (FGFR4) plays a critical role in cancer progression involving in tumor proliferation, invasion, and metastasis. This study clarified the role of FGFR4-Arg388 variant in gastric cancer (GC), and more importantly highlighted the possibility of this single nucleotide polymorphism (SNP) as potential therapeutic targets. Materials and Methods: FGFR4 polymorphism was characterized in advanced GC patients to perform statistical analysis. FGFR4-dependent signal pathways involving cell proliferation, invasion, migration, and resistance to oxaliplatin (OXA) in accordance with the SNP were also assessed in transfected GC cell lines. Results: Among 102 GC patients, the FGFR4-Arg388 patients showed significantly higher tumor stage (p=0.047) and worse overall survival (p=0.033) than the Gly388 patients. Immunohistochemical results showed that FGFR4-Arg388 patients were more likely to have higher vimentin (p=0.025) and p-STAT3 (p=0.009) expression compared with FGFR4-Gly388 patients. In transfected GC cells, the overexpression of FGFR4-Arg388 variant increased proliferation and invasion of GC cells, increasing resistance of GC cells to OXA compared with cells overexpressing the Gly388 allele. Conclusion The exploration mechanism may be through FGFR4-Arg388/STAT3/epithelial to mesenchymal transition axis regulating pivotal oncogenic properties of GC cells. The FGFR4-Arg388 variant may be a biomarker and a candidate target for adjuvant treatment of GC.

With the popularization of low-dose computed tomography (LDCT) scanning, the rate of the diagnosis of primary lung cancer for early-stage non-small cell lung carcinoma (NSCLC) is increasing, mainly because of a growing rate of solitary pulmonary nodule and ground-glass nodule. For these patients, recent studies have shown that segmentectomy and lobectomy have similar oncologic effects, while they can retain more lung function and improve the quality of life, so anatomical segmental resection is an alternative operation. In recent years, the three-dimensional reconstruction technology based on medical imaging has developed rapidly, which can be used to understand the anatomical structure, nodule position, spatial relationship, design of surgical path and other advantages in preoperative, and plays an important role in the thoracoscopic anatomical segmental resection with complex anatomical structure and individual differences. This paper reviews the application of three-dimensional reconstruction technology in segmental lung resection, and briefly introduces the application of this technology in precise segmental lung resection.

Objective : To explore the influence and mechanism of different types of proteins on the corrosion resistance of alloy to provide a reference for the safe application and surface modification of nickel-titanium (Ni-Ti) and stainless steel bow wires in the clinic. Methods: The effects of fibrinogen, IgG and mucin on the electrochemical corrosion resistance of Ni-Ti and stainless steel arch wires were tested by the potentiodynamic polarization method, and the repair ability of passive films on surfaces treated with the three proteins were tested by the cyclic polarization method. Inductively coupled plasma optical emission spectrometry (ICP-OES) was used to determine the types of corrosion products, and the surface morphology after corrosion was analyzed by scanning electron microscopy (SEM) and atomic force microscopy (AFM). Results : The addition of fibrinogen, IgG or mucin to an alloy has different effects on its corrosion resistance. Adding protein can reduce the corrosion resistance of stainless steel alloys and slow the corrosion process of Ni-Ti alloys. The addition of mucin can improve the corrosion resistance of Ni-Ti alloy and the repair ability of passive film. Compared with mucin and IgG, fibrinogen can reduce the pitting resistance of Ni-Ti and stainless steel alloys. Conclusion Different types of proteins interact differently with the arch wire, form different deposition morphologies on the surface, and participate differently in the corrosion process of the alloy.

Objective To comparatively analyze the image characteristic of contrast-enhanced ultrasound(CEUS)and contrast-enhanced computed tomography(CECT),and explore the diagnostic value of the two methods in benign and malignant lesions of gallbladder.Methods comparative analysis the image characteristic of CEUS and CECT,the preoperative diagnostic results of 86 cases of gallbladder diseases were confirmed by pathology.Results The enhancement patterns of CEUS and CECT in benign and malignant lesions of gallbladder are similar.The sensitivity,specificity and accuracy of CEUS were 77.9%(53/68),77.8%(14/18),77.9%(67/86),respectively.The sensitivity,specificity and accuracy of CECT were 75%(51/68),55.6%(10/18),70.9%(61/86),respectively.The sensitivity,specificity and accuracy of the combination of CEUS and CECT were 83.8%(57/68),55.6%(10/18),77.9%(67/86),respectively.The accuracy of the combination of CEUS and CECT was higher than that of CECT in the diagnosis of malignant gallbladder lesions [(53.9±10.00)s vs(35.50±6.72)s],the differences were statistically significant(t=6.729,P＜0.001).Conclusions The enhancement patterns of CEUS and CECT in benign and malignant gallbladder lesions are similar.The combination of CEUS and CECT is helpful for improving the diagnostic accuracy of malignant gallbladder lesions.CEUS and CECT could corroborate and complement each other,and provide more valuable information for the differential diagnosis of benign and malignant gallbladder lesions.