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2,447 results on '"Xu, Shu"'

7. ROS-mediated up-regulation of SAE1 by Helicobacter pylori promotes human gastric tumor genesis and progression

Author

Liu Shi, Jianfang Shangguan, Ying Lu, Jianfang Rong, Qinyu Yang, Yihan Yang, Chuan Xie, and Xu Shu

Subjects
SAE1, SUMOylation, Gastric cancer, Helicobacter pylori, ROS, EMT, Medicine
Abstract

Abstract Helicobacter pylori (H. pylori) is a major risk factor of gastric cancer (GC). The SUMO-activating enzyme SAE1(SUMO-activating enzyme subunit 1), which is indispensable for protein SUMOylation, involves in human tumorigenesis. In this study, we used the TIMER and TCGA database to explore the SAE1 expression in GC and normal tissues and Kaplan–Meier Plotter platform for survival analysis of GC patients. GC tissue microarray and gastric samples from patients who underwent endoscopic treatment were employed to detect the SAE1expression. Our results showed that SAE1 was overexpressed in GC tissues and higher SAE1 expression was associated with worse clinical characteristics of GC patients. Cell and animal models showed that H. pylori infection upregulated SAE1, SUMO1, and SUMO2/3 protein expression. Functional assays suggested that suppression of SAE1 attenuated epithelial-mesenchymal transition (EMT) biomarkers and cell proliferation abilities induced by H. pylori. Cell and animal models of ROS inhibition in H. pylori showed that ROS could mediate the H. pylori-induced upregulation of SAE1, SUMO1, and SUMO2/3 protein. RNA sequencing was performed and suggested that knockdown of SAE1 could exert an impact on IGF-1 expression. General, increased SUMOylation modification is involved in H. pylori-induced GC.

Published
2024
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11. Incidence and risk factors for fever after endoscopic submucosal dissection and its derivative technology for gastric lesions

Author

Yongkang Lai, Qian Zhang, Foqiang Liao, Xiaolin Pan, Zhenhua Zhu, Shunhua Long, Xiaojiang Zhou, Guohua Li, Yin Zhu, Youxiang Chen, and Xu Shu

Subjects
Endoscopic submucosal dissection, Gastric lesions, Gastric tube placement, Fever, Risk factors, Science (General), Q1-390, Social sciences (General), H1-99
Abstract

Introduction: Fever is one of the postoperative complications of endoscopic submucosal dissection (ESD) and its derivative technology. However, there are few studies on risk factors for fever after ESD and its derivative technology. The aim of this study was to determine the incidence and related risk factors after ESD and its derivative technology for gastric lesions. Materials and methods: A retrospective review of patients with gastric lesions who were treated by ESD and its derivative technology in our hospital from January 2014 to January 2019 was conducted. Results: A total of 1955 patients were included in the present study. A total of 451 (23.1 %) patients presented with fever after ESD and its derived techniques. The highest fever temperature was 37.6 ± 3.12 °C, and the number of days with fever was 1.48 ± 0.85. Through single factor and multiple factor analysis, age (OR: 1.261, 95% CI: 1.009–1.576, p

Published
2024
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35. Investigation of the prevalence and risk factors of Helicobacter pylori infection and the value of different gastric cancer screening methods in a low-risk region of gastric cancer in China

Author

Foqiang Liao, Zhenhua Zhu, Shusheng Zhu, Jianhua Wan, Chenglai Fan, Xu Zhang, Xu Shu, and Nonghua Lu

Subjects
Helicobacter pylori, gastric cancer, screening method, epidemiological survey, risk factor, Medicine
Abstract

AbstractBackground The aim of this current study was to identify the prevalence and risk factors of H. pylori infection in the low-risk area of gastric cancer in China, and evaluate the value of different gastric cancer screening methods.Methods An epidemiological study was conducted in Yudu County, Jiangxi, China, and participants were followed up for 6 years. All participants completed a questionnaire, laboratory tests and endoscopy. Patients were divided into H. pylori positive and negative groups, and risk factors for H. pylori infection were identified using multivariate logistic regression analysis.Results A total of 1962 residents were included, the prevalence of H. pylori infection was 33.8%. Multivariate analysis showed that annual income ≤20,000 yuan (OR: 1.44, 95% CI: 1.18–1.77, p 37.23 ng/mL (OR: 2.11, 95% CI: 1.50–2.97, p 1.5 and ≤5.7 pmol/L (OR: 2.52, 95% CI: 1.93–3.30, p 5.7 pmol/L (OR: 1.96, 95% CI: 1.48–2.60, p

Published
2023
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36. Risk factors for inadequate bowel preparation before colonoscopy: a retrospective cohort study

Author

Liu Shi, Foqiang Liao, Wangdi Liao, Yin Zhu, Youxiang Chen, and Xu Shu

Subjects
Bowel preparation, Spring, Seasons, Colonoscopy, Inpatient, Diseases of the digestive system. Gastroenterology, RC799-869
Abstract

Abstract Background Colonoscopy is the standard and most effective screening tool for colonic diseases and the accuracy of colonoscopy depends on the quality of bowel preparation. The aim of this study was to analyze the risk factors for inadequate bowel preparation before colonoscopy. Methods In this retrospective study, patients who underwent colonoscopy in 2018 and received 3 L of Polyethylene Glycol Electrolytes powder were included. They were instructed to drink 1.5 L the night before the colonoscopy and 1.5 L 4–6 h before the procedure given in doses of 250 ml every 10 min with 30 ml of simethicone given 4–6 h before the colonoscopy. Patient- and procedure-related parameters were recorded. An adequate bowel preparation was defined as all 3 segments rated 2 or 3 on the Boston Bowel Preparation scale. Risk factors for inadequate bowel preparation were identified using multivariate logistic regression analysis. Results A total of 6720 patients were included in the present study. The mean age of these patients was 49.7 ± 13.0 years old. Inadequate bowel preparation was found in 233 (12.4%), 139 (6.4%), 131 (7%), 68 (8.6%) patients in spring, summer, autumn and winter respectively. On the multivariate analysis, male gender (OR: 1.295; 95% CI: 1.088–1.542; P = 0.005), inpatient status (OR: 1.377; 95% CI: 1.040–1.822; P = 0.025) and season (spring vs. winter, OR: 1.514; 95% CI: 1.139–2.012; P = 0.004) were the independent risk factors for inadequate bowel preparation. Conclusions Male gender, inpatient status and spring season were the independent risk factors for inadequate bowel preparation. For patients with risk factors for inadequate bowel preparation, enhanced bowel preparation and instructions may help to optimize the quality of bowel preparation.

Published
2023
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