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World Journal of Gastroenterology: WJG

Floor Wt Vergouwe, Madeleine Gottrand, Bas Pl Wijnhoven, Hanneke IJsselstijn, Guillaume Piessen, Marco J Bruno, René Mh Wijnen, Manon Cw Spaander
Esophageal atresia (EA) is one of the most common congenital digestive malformations and requires surgical correction early in life. Dedicated centers have reported survival rates up to 95%. The most frequent comorbidities after EA repair are dysphagia (72%) and gastroesophageal reflux (GER) (67%). Chronic GER after EA repair might lead to mucosal damage, esophageal stricturing, Barrett's esophagus and eventually esophageal adenocarcinoma. Several long-term follow-up studies found an increased risk of Barrett's esophagus and esophageal carcinoma in EA patients, both at a relatively young age...
March 7, 2018: World Journal of Gastroenterology: WJG
Ning-Li Chai, Jia Feng, Long-Song Li, Sheng-Zhen Liu, Chen Du, Qi Zhang, En-Qiang Linghu
AIM: To assess the effect of polyglycolic acid (PGA) plus stent placement compared with stent placement alone in the prevention of post-endoscopic submucosal dissection (ESD) esophageal stricture in early-stage esophageal cancer (EC) patients. METHODS: Seventy EC patients undergoing ESD were enrolled in this randomized, controlled study. Patients were allocated randomly at a 1:1 ratio into two groups as follows: (1) PGA plus stent group (PGA sheet-coated stent placement was performed); and (2) Stent group (only stent placement was performed)...
March 7, 2018: World Journal of Gastroenterology: WJG
You-Hong Fang, You-You Luo, Jin-Dan Yu, Jin-Gan Lou, Jie Chen
AIM: To analyze clinical differences between monogenic and nonmonogenic very-early-onset inflammatory bowel disease (VEO-IBD) and to characterize monogenic IBD phenotypically and genotypically via genetic testing. METHODS: A retrospective analysis of children aged 0 to 6 years diagnosed with VEO-IBD in a tertiary hospital in southern China from 2005 to 2017 was performed. Clinical data for VEO-IBD patients were collected, and genetic characteristics were analyzed using whole exome sequencing or target gene panel sequencing...
March 7, 2018: World Journal of Gastroenterology: WJG
Hua-Peng Lin, Sheng-Wei Li, Ye Liu, Shi-Ji Zhou
AIM: To evaluate the prognostic value of the number of retrieved lymph nodes (LNs) and other prognostic factors for patients with distal cholangiocarcinomas, and to determine the optimal retrieved LNs cut-off number. METHODS: The Surveillance, Epidemiology and End Results database was used to screen for patients with distal cholangiocarcinoma. Patients with different numbers of retrieved LNs were divided into three groups by the X-tile program. X-tile from Yale University is a useful tool for outcome-based cut-point optimization...
March 7, 2018: World Journal of Gastroenterology: WJG
Way-Seah Lee, Chun-Wei Tee, Zhong-Lin Koay, Tat-Seng Wong, Fatimah Zahraq, Hee-Wei Foo, Sik-Yong Ong, Shin-Yee Wong, Ruey-Terng Ng
AIM: To study implications of measuring quality indicators on training and trainees' performance in pediatric colonoscopy in a low-volume training center. METHODS: We reviewed retrospectively the performance of pediatric colonoscopies in a training center in Malaysia over 5 years (January 2010-December 2015), benchmarked against five quality indicators: appropriateness of indications, bowel preparations, cecum and ileal examination rates, and complications. The European Society of Gastrointestinal Endoscopy guideline for pediatric endoscopy and North American Society for Pediatric Gastroenterology, Hepatology and Nutrition training guidelines were used as benchmarks...
March 7, 2018: World Journal of Gastroenterology: WJG
Mu-Lin Liu, Qiao Zhang, Xiao Yuan, Long Jin, Li-Li Wang, Tao-Tao Fang, Wen-Bin Wang
AIM: To investigate the role of long noncoding RNA (lncRNA) RP4 in colorectal cancer. METHODS: Lentivirus-mediated lncRNA RP4 overexpression and knockdown were performed in the colorectal cancer cell line SW480. Cell proliferation, tumor growth, and early apoptosis were evaluated by a cell counting kit-8 assay, an in vivo xenograft tumor model, and annexin V/propidium iodide staining, respectively. Analysis of the lncRNA RP4 mechanism involved assessment of the association of its expression with miR-7-5p and the SH3GLB1 gene...
March 7, 2018: World Journal of Gastroenterology: WJG
Yi-Yuan Zheng, Miao Wang, Xiang-Bing Shu, Pei-Yong Zheng, Guang Ji
AIM: To elucidate the potential role of autophagy and the protective effects of Jiang Zhi Granule (JZG) in metabolic stress-induced hepatocyte injury. METHODS: An in vitro and in vivo approach was used in this study. HepG2 cells were incubated in culture medium containing palmitate (PA; 0, 0.1, 0.2, 0.3, 0.4 or 0.5 mmol/L) and treated with or without JZG (100 μg/mL) for 24 h or 48 h, and the progression of autophagy was visualized by stable fluorescence-expressing cell lines LC3 and p62...
March 7, 2018: World Journal of Gastroenterology: WJG
Chao Zhang, Teng Ma, Tao Luo, Ang Li, Xiang Gao, Zhong-Gao Wang, Fei Li
AIM: To investigate the potential role of poly(ADP-ribose) polymerase 1 (PARP1) in the development of Barrett's esophagus (BE). METHODS: A BE mouse model was established to examine the esophageal morphological changes and molecular changes. Microarray analysis was performed to compare the gene expression profiles between BE patients and healthy controls. qPCR was used to examine the PARP1 expression in cell lines after treatment with H2 O2 and bile acids (pH 4)...
March 7, 2018: World Journal of Gastroenterology: WJG
Denise E Brennan, Colin Dowd, Colm O'Morain, Deirdre McNamara, Sinéad M Smith
AIM: To evaluate the association between virulence factor status and antibiotic resistance in Helicobacter pylori ( H. pylori )-infected patients in Ireland. METHODS: DNA was extracted from antral and corpus biopsies obtained from 165 H. pylori -infected patients. Genotyping for clarithromycin and fluoroquinolone-mediating mutations was performed using the Genotype HelicoDR assay. cagA and vacA genotypes were investigated using PCR. RESULTS: Primary, secondary and overall resistance rates for clarithromycin were 50...
March 7, 2018: World Journal of Gastroenterology: WJG
Li-Ting Xie, Chun-Hong Yan, Qi-Yu Zhao, Meng-Na He, Tian-An Jiang
Two-dimensional shear wave elastography (2D-SWE) is a rapid, simple and novel noninvasive method that has been proposed for assessing hepatic fibrosis in patients with chronic liver diseases (CLDs) based on measurements of liver stiffness. 2D-SWE can be performed easily at the bedside or in an outpatient clinic and yields immediate results with good reproducibility. Furthermore, 2D-SWE was an efficient method for evaluating liver fibrosis in small to moderately sized clinical trials. However, the quality criteria for the staging of liver fibrosis are not yet well defined...
March 7, 2018: World Journal of Gastroenterology: WJG
Shinpei Ogino, Hirotaka Konishi, Daisuke Ichikawa, Junichi Hamada, Katsutoshi Shoda, Tomohiro Arita, Shuhei Komatsu, Atsushi Shiozaki, Kazuma Okamoto, Sanae Yamazaki, Satoru Yasukawa, Eiichi Konishi, Eigo Otsuji
Synovial sarcoma (SS) is genetically characterized by chromosomal translocation, which generates SYT-SSX fusion transcripts. Although SS can occur in any body part, primary gastric SS is substantially rare. Here we describe a detection of the fusion gene sequence of gastric SS in plasma cell-free DNA (cfDNA). A gastric submucosal tumor was detected in the stomach of a 27-year-old woman and diagnosed as SS. Candidate intronic primers were designed to detect the intronic fusion breakpoint and this fusion sequence was confirmed in intron 10 of SYT and intron 5 of SSX2 by genomic polymerase chain reaction (PCR) and direct sequencing...
February 28, 2018: World Journal of Gastroenterology: WJG
Hong-Hui Wang, Ying He, Hong-Xian Wang, Cheng-Ling Liao, Yu Peng, Li-Jian Tao, Wei Zhang, Hui-Xiang Yang
AIM: To observe gene polymorphisms of TPMT and NUDT15 , and compare their predictive value for azathioprine (AZA)-induced leukopenia in inflammatory bowel disease (IBD). METHODS: This study enrolled 219 patients diagnosed with IBD in Xiangya Hospital, Central South University, Changsha, China from February 2016 to November 2017. Peripheral blood of all patients was collected to detect their genotypes of TPMT and NUDT15 by pyrosequencing at the Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital...
February 28, 2018: World Journal of Gastroenterology: WJG
Shao-Cheng Zhu, Yue-Hua Liu, Yi Wei, Lin-Lin Li, She-Wei Dou, Ting-Yi Sun, Da-Peng Shi
AIM: To compare intravoxel incoherent motion (IVIM)-derived parameters with conventional diffusion-weighted imaging (DWI) parameters in predicting the histological grade of hepatocellular carcinoma (HCC) and to evaluate the correlation between the parameters and the histological grades. METHODS: A retrospective study was performed. Sixty-two patients with surgically confirmed HCCs underwent diffusion-weighted magnetic resonance imaging with twelve b values (10-1200 s/mm2 )...
February 28, 2018: World Journal of Gastroenterology: WJG
Yi-Chun Chen, Chung-Yi Li, Shiang-Jiun Tsai, Yen-Chun Chen
AIM: To investigate the risk of end-stage renal disease (ESRD) in hepatitis B virus (HBV)-infected patients with chronic kidney disease (CKD) with and without nucleos(t)ide analogue (NA) therapy. METHODS: This nationwide cohort study included 103444 Taiwanese CKD adults without hepatitis C virus infection from the Taiwan Longitudinal Health Insurance Database 2005 between 1997 and 2012. We identified 2916 CKD patients who acquired HBV infection and did not receive NAs (untreated cohort), and they were propensity-matched 1:4 with 11664 uninfected counterparts...
February 28, 2018: World Journal of Gastroenterology: WJG
Mohamad A Mouchli, Lidia Ouk, Marianne R Scheitel, Alisha P Chaudhry, Donna Felmlee-Devine, Diane E Grill, Shahrooz Rashtak, Panwen Wang, Junwen Wang, Rajeev Chaudhry, Thomas C Smyrk, Ann L Oberg, Brooke R Druliner, Lisa A Boardman
AIM: To determine the frequency and risk factors for colorectal cancer (CRC) development among individuals with resected advanced adenoma (AA)/traditional serrated adenoma (TSA)/advanced sessile serrated adenoma (ASSA). METHODS: Data was collected from medical records of 14663 subjects found to have AA, TSA, or ASSA at screening or surveillance colonoscopy. Patients with inflammatory bowel disease or known genetic predisposition for CRC were excluded from the study...
February 28, 2018: World Journal of Gastroenterology: WJG
Lei-Min Yu, Ke-Jia Zhao, Shuang-Shuang Wang, Xi Wang, Bin Lu
AIM: To study the role of microbial metabolites in the modulation of biochemical and physiological processes in irritable bowel syndrome (IBS). METHODS: In the current study, using a metabolomic approach, we analyzed the key metabolites differentially excreted in the feces of control mice and mice with IBS, with or without Clostridium butyricum (C. butyricum) treatment. C57BL/6 mice were divided into control, IBS, and IBS + C. butyricum groups. In the IBS and IBS + C...
February 28, 2018: World Journal of Gastroenterology: WJG
Eglantina Idrizaj, Rachele Garella, Fabio Francini, Roberta Squecco, Maria Caterina Baccari
AIM: To investigate the signaling pathways involved in the relaxin (RLX) effects on ileal preparations from mice through mechanical and electrophysiological experiments. METHODS: For mechanical experiments, ileal preparations from female mice were mounted in organ baths containing Krebs-Henseleit solution. The mechanical activity was recorded via force-displacement transducers, which were coupled to a polygraph for continuous recording of isometric tension. Electrophysiological measurements were performed in current- and voltage-clamp conditions by a microelectrode inserted in a single smooth muscle cell (SMC) of the ileal longitudinal layer...
February 28, 2018: World Journal of Gastroenterology: WJG
Harald Peter Hoensch, Benno Weigmann
Flavonoids are phytochemicals which can regulate the activity of the intestinal immune system. In patients with chronic inflammatory bowel disease (IBD) there is an overexpression and imbalance of the components of the inflammatory immune reactions which are chronically activated. Suppression of inflammation can be achieved by anti-inflammatory drugs which are used in clinical medicine but these can cause serious side effects. Flavonoids can have natural immunosuppressive properties and inhibit the activation of immune cells and its effectors (chemokines, TNF-, cytokines)...
February 28, 2018: World Journal of Gastroenterology: WJG
Akira Hokama
[This corrects the article on p. 12667 in vol. 21, PMID: 26640344.].
February 21, 2018: World Journal of Gastroenterology: WJG
Maëva Salimon, Nicolas Chapelle, Tamara Matysiak-Budnik, Jean-François Mosnier, Eric Frampas, Yann Touchefeu
Hepatocholangiocarcinoma (cHCC-ICC) is a rare primary hepatic tumor defined by the presence of histological features of both hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). Its prevalence ranges from 1%-5% of all primary liver cancers. We report the case of a 55-year-old cirrhotic male patient admitted to our university hospital for dysphagia, revealing a 10 cm lower-third esophageal metastasis of an unresectable cHCC-ICC with stem-cell features. Computed tomography and abdominal magnetic resonance imaging scans revealed multiple hepatic lesions combining features of both HCC and ICC, associated with synchronous bone metastasis...
February 21, 2018: World Journal of Gastroenterology: WJG
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