Jannis Kountouras, Christos Zavos, Stergios A Polyzos, Maria Tzitiridou-Chatzopoulou, Paraskevi Polyzou-Laspia, Dimitrios Chatzopoulos, Michael Doulberis, Elisabeth Vardaka, Ioannis S Papanikolaou
{"title":"Helicobacter pylori and Porphyromonas gingivalis as risk factors in the enteric metaplasia-dysplasia-oncogenesis sequence.","authors":"Jannis Kountouras, Christos Zavos, Stergios A Polyzos, Maria Tzitiridou-Chatzopoulou, Paraskevi Polyzou-Laspia, Dimitrios Chatzopoulos, Michael Doulberis, Elisabeth Vardaka, Ioannis S Papanikolaou","doi":"10.1016/j.ajg.2025.07.001","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.07.001","url":null,"abstract":"","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145151456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Awni Abu Sneineh, Sara Haj Ali, Maryam Ali Alani, Joud Al Karmi, Feras Al Karmi, Mina F Al-Wandawi, Suzan Al Bdour, Lana Agraib, Rasha Mohammed Ali, Mamoun Ahram
{"title":"The role of salivary calprotectin in monitoring Crohn's disease: A cross-sectional study.","authors":"Awni Abu Sneineh, Sara Haj Ali, Maryam Ali Alani, Joud Al Karmi, Feras Al Karmi, Mina F Al-Wandawi, Suzan Al Bdour, Lana Agraib, Rasha Mohammed Ali, Mamoun Ahram","doi":"10.1016/j.ajg.2025.08.008","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.008","url":null,"abstract":"<p><strong>Background and study aims: </strong>Noninvasive biomarkers are needed to monitor disease activity in inflammatory bowel disease, as current methods-including blood tests, endoscopy, imaging, and fecal calprotectin-are invasive, costly, or burdensome. This study explored salivary calprotectin as a potential biomarker for Crohn's disease activity.</p><p><strong>Patients and methods: </strong>This was a cross-sectional exploratory study. Unstimulated saliva was collected from patients with an established diagnosis of Crohn's disease and matched healthy controls. Disease activity was determined via the Crohn's disease Activity Index. Salivary calprotectin was measured in 20 μl saliva samples using enzyme-linked immunosorbent assay.</p><p><strong>Results: </strong>Samples were collected from 42 patients with Crohn's disease (mean age 36.3 ± 14.2 years, 52.4 % male) and 41 age-matched healthy controls (mean age 38 ± 13.4 years, 58.5 % male). For patients with Crohn's disease, the median salivary calprotectin level was 0.08 (IQR 0.05-0.14) ug/ml compared to 0.06 (IQR 0.03-0.13) ug/ml in healthy controls (p = 0.161). Among patients with Crohn's disease, levels were similar in remission (0.10, IQR 0.05-0.15 μg/mL) and active disease (0.07, IQR 0.03-0.10 μg/mL; p = 0.091). No correlation was observed between salivary calprotectin and Crohn's disease activity index scores (Spearman's r = -0.136, p = 0.392).</p><p><strong>Conclusions: </strong>Salivary calprotectin did not distinguish patients with Crohn's disease from healthy controls or correlate with disease activity. While noninvasive, it does not appear to be a clinically useful biomarker for monitoring Crohn's disease. Further research may clarify its role in inflammatory bowel disease or identify more promising biomarkers.</p>","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145139014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comments on \"Clinical features and temporal trends in H. pylori negative gastric maltoma\".","authors":"Ali Beheshti Namdar, Masoud Keikha","doi":"10.1016/j.ajg.2025.07.005","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.07.005","url":null,"abstract":"","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145132229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mohamed El-Kassas, Khalid Alswat, Asma Labidi, Maen Almattooq, Doaa Zakaria, Nabil Debzi, Faisal M Sanai, Mohamed Elbadry, Ali Tumi, Imam Waked, Abdel-Naser Elzouki, Khalid M AlNaamani
{"title":"Frailty and MASLD in the Arab region: An urgent call for regional clinical and public health strategies.","authors":"Mohamed El-Kassas, Khalid Alswat, Asma Labidi, Maen Almattooq, Doaa Zakaria, Nabil Debzi, Faisal M Sanai, Mohamed Elbadry, Ali Tumi, Imam Waked, Abdel-Naser Elzouki, Khalid M AlNaamani","doi":"10.1016/j.ajg.2025.07.003","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.07.003","url":null,"abstract":"","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145132198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Investigation of the biomarkers and mechanism based on endoplasmic reticulum stress in irritable bowel syndrome.","authors":"Zhenyu Fan, Jiufang Yao, Xiayang Zeng, Jinhong Zuo, Jianpeng Qu","doi":"10.1016/j.ajg.2025.08.004","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.004","url":null,"abstract":"<p><strong>Background and study aims: </strong>Irritable bowel syndrome (IBS) is a common bowel dysfunction disorder. Endoplasmic reticulum (ER) stress plays a key role in the pathogenesis of several gastrointestinal diseases. This study investigated important ER stress-related genes (ERGs) and their mechanisms of action in IBS.</p><p><strong>Material and methods: </strong>IBS and ERGs data were retrieved from public databases. Differential expression analysis, Venn analysis, and three machine learning algorithms, the most important ERGs in IBS were selected. A nomogram model was then constructed for the clinical predictions based on optimal ERGs. Finally, an LPS-induced Caco-2 cell line was established to simulate intestinal barrier damage and validate the expression of key genes and their underlying mechanisms.</p><p><strong>Results: </strong>Six key ERGs (EGFR, MET, INSR, RETREG1, MCL1, and BSG) were selected to construct the nomogram model, which showed promising clinical predictive performance. These six genes were significantly correlated with immune response and ER stress-related pathways, such as oxidative phosphorylation. In vitro cell experiments have demonstrated damaged barrier function and ER stress activation in IBS, manifesting as lower transepithelial resistance, higher cell permeability, higher levels of inflammatory cytokines, and higher levels of ER proteins in LPS-induced cells. Furthermore, MET expression was significantly increased in the LPS group, whereas EGFR, INSR, RETREG1, MCL1, and BSG levels were significantly decreased in the LPS group.</p><p><strong>Conclusion: </strong>Our study demonstrated a six-gene nomogram model for IBS based on ER stress, which showed a strong relationship between ER stress and various diseases.</p>","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145132262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Primary gastric inflammatory myofibroblastic tumor with liver invasion and metastasis: A case report.","authors":"Sadullah Şimşek, Mehmet Salih Karaca, Tarık Sağlam, Fatma Şule Kutlar Dursun","doi":"10.1016/j.ajg.2025.08.001","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.001","url":null,"abstract":"","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145125774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cong Gao, Shengye Yang, Zhendong Liang, Chun Ye, Xingshun Qi
{"title":"Hematochezia due to Meckel's diverticulum in a young male.","authors":"Cong Gao, Shengye Yang, Zhendong Liang, Chun Ye, Xingshun Qi","doi":"10.1016/j.ajg.2025.08.002","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.002","url":null,"abstract":"","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145132249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ping Xie, Jingjing Gong, Xihua Gao, Chi Xu, Jinghua Chen, Yuwen Shen, Kefu Liu
{"title":"CT and clinical findings of ceftriaxone-associated gallbladder pseudolithiasis.","authors":"Ping Xie, Jingjing Gong, Xihua Gao, Chi Xu, Jinghua Chen, Yuwen Shen, Kefu Liu","doi":"10.1016/j.ajg.2025.08.003","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.003","url":null,"abstract":"<p><strong>Background and study aims: </strong>To investigate the computed tomography (CT) and clinical findings of ceftriaxone (CTRX)‑associated gallbladder pseudolithiasis (CGPL).</p><p><strong>Patients and methods: </strong>The CT images and clinical data of 85 patients with a history of CTRX treatment from January 2023 to September 2023 were retrospectively analyzed.</p><p><strong>Results: </strong>CGPL was found in 32 of the 85 patients. CGPLs manifested as a sludge pattern in 4 patients, a nodular pattern in 9 patients, and a mud-like pattern in 19 patients. All 4 patients with existing gallbladder lithiasis were found to have CGPL after CTRX treatment. CGPL appeared on the 6th day follow-up CT at the earliest and disappeared on the 30th day follow-up CT at the earliest, CGPL completely disappeared in 12 patients. The total bilirubin level, direct bilirubin level, and albumin/globulin ratio in the patients with CGPL were significantly lower than those in the patients without CGPL; the triglyceride, β2-microglobulin level in the patients with CGPL were significantly higher than those in the patients without CGPL. The dosage and total dose of CTRX up to the first follow-up CT (TD-FFCT) in patients with CGPL were significantly higher than those in patients without CGPL.</p><p><strong>Conclusion: </strong>The most common type of CGPL can be a mud-like pattern, and CGPLs can appear and disappear on the 6th and 30th day follow-up CT. The dosage and TD-FFCT are risk factors for CGPL, as well as existing gallbladder lithiasis. Total bilirubin level, direct bilirubin level, the albumin/globulin ratio, triglyceride level, β2-microglobulin level may have the evaluative value for the formation of CGPL.</p>","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145126264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of oral-gastric treatment and family therapy on H. Pylori eradication and recurrence.","authors":"Zhiqiang Chen, Fang Yuan, Chao Pan","doi":"10.1016/j.ajg.2025.08.005","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.005","url":null,"abstract":"<p><strong>Background and study aims: </strong>Helicobacter pylori (H. pylori) infections are notably difficult to eradicate due to high antibiotic resistance and frequent reinfection. This study evaluates the effectiveness of combining oral and gastric treatments with synchronized family therapy compared to standard therapy for H. pylori management.</p><p><strong>Patients and methods: </strong>Conducted at Cangshan Hospital of the 900th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, the study included 180 patients divided into three groups: standard triple therapy (Group A), triple therapy plus oral treatment (Group B), and triple therapy with oral treatment and synchronized family therapy (Group C). Eradication and recurrence were measured at 3 and 6 months using stool antigen tests and 14C-urea breath tests.</p><p><strong>Results: </strong>Initial eradication rates were similar across the three groups. By 3 months, eradication rates reached 76.7 % in Group A, 86.7 % in Group B, and 93.3 % in Group C. At 6 months, these rates were 61.7 %, 66.7 %, and 90 %, respectively. Concurrently, recurrence rates at 6 months climbed to 33.9 % and 29.8 % in Groups A and B, respectively, but remained low at 5.3 % in Group C.</p><p><strong>Conclusion: </strong>The addition of synchronized family therapy significantly enhances long-term eradication and reduces recurrence rates, suggesting its potential for incorporation into standard H. pylori treatment protocols.</p>","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145114500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Molecular subtypes based on the expression of glutamine metabolism-related genes predict prognosis, tumor microenvironment, and drug therapy response of colon adenocarcinoma.","authors":"Lijian Yu, Xia Lin","doi":"10.1016/j.ajg.2025.08.006","DOIUrl":"https://doi.org/10.1016/j.ajg.2025.08.006","url":null,"abstract":"<p><strong>Background and study aims: </strong>Glutamine metabolism (GM) plays an instrumental role in the occurrence and progression of tumors. However, the characteristics of glutamine metabolism-related genes (GMRGs) in colon adenocarcinoma (COAD) have not been elucidated. This project aims to dig out the role of GMRGs in COAD molecular subtypes, prognosis, and tumor microenvironment (TME) to proffer a scientific foundation for the evaluation of COAD prognosis and mechanism research.</p><p><strong>Material and methods: </strong>Disease data of COAD (including clinical information and gene expression data) and GMRG data were collected from The Cancer Genome Atlas (TCGA)-COAD. GMRGs in COAD were obtained through differential analysis, cluster analysis, protein-protein interaction (PPI) network analysis, and regression analysis for setting up a prognostic model. Disease information was collected from GSE29621 to validate the model. Differences in immunotherapy response and drug sensitivity among high-Riskscore (HR) and low-Riskscore (LR) groups were evaluated.</p><p><strong>Results: </strong>45 GMRGs associated with COAD survival rate were identified through univariate analysis. Cluster and survival analyses revealed that these genes could cluster the COAD population into two clusters with great survival differences. A risk model with 10 feature genes was established through regression analysis. Prediction of immunotherapy sensitivity uncovered that the LR group was more sensitive to immunotherapy.</p><p><strong>Conclusion: </strong>In summary, this project set up a reliable prognostic risk model with GMRGs, which can proffer a feasible basis for the study of prognosis and related mechanisms in COAD.</p>","PeriodicalId":48674,"journal":{"name":"Arab Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145114492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}