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https://www.readbyqxmd.com/read/28343226/the-effect-of-ineffective-esophageal-motility-on-gastroesophageal-reflux-disease
#1
Shingo Kasamatsu, Tomoaki Matsumura, Yuki Ohta, Shinsaku Hamanaka, Hideaki Ishigami, Takashi Taida, Kenichiro Okimoto, Keiko Saito, Daisuke Maruoka, Tomoo Nakagawa, Tatsuro Katsuno, Mai Fujie, Atsuko Kikuchi, Makoto Arai
BACKGROUND/AIMS: Ineffective esophageal motility (IEM) is the most common gastrointestinal motility disorder. Studies have reported that IEM is related to gastroesophageal reflux disease (GERD). However, the relationship between IEM and GERD remains uncertain. This study aims to clarify this relationship retrospectively. METHODS: We analyzed 195 subjects who underwent high-resolution manometry between January 2011 and September 2016. Of these subjects, 72 had normal esophageal motility (NEM) and 26 had IEM...
March 25, 2017: Digestion
https://www.readbyqxmd.com/read/28343076/repression-of-dok7-mediated-by-dnmt3a-promotes-the-proliferation-and-invasion-of-kyse410-and-te-12-escc-cells
#2
Shou-Mei Yang, Su-Yi Li, Hao-Bin Yu, Jie-Ru Li, Lei-Lei Sun
Increasing evidence shows that aberrant epigenetic regulation of tumor suppressor genes is a contributing factor to their altered expression in esophageal squamous cell carcinoma (ESCC). In the current study, we investigate the role of DOK7 in ESCC cells. We found that enforced expression of DOK7 inhibited the proliferation and invasion of ESCC cells. We also found that treatment of ESCC cells with the DNA methylation inhibitor, 5-aza-2-deoxycytidine (5-azadC), induced the demethylation of DOK7 in promoter and DOK7 expression...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28342955/white-paper-aga-eosinophilic-esophagitis
#3
Ikuo Hirano, Stuart Spechler, Glenn Furuta, Evan S Dellon
No abstract text is available yet for this article.
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28342951/a-model-to-identify-individuals-at-high-risk-for-esophageal-squamous-cell-carcinoma-and-precancerous-lesions-in-regions-of-high-prevalence-in-china
#4
Mengfei Liu, Zhen Liu, Hong Cai, Chuanhai Guo, Xiang Li, Chaoting Zhang, Hui Wang, Dong Hang, Fangfang Liu, Qiuju Deng, Xin Yang, Wenqing Yuan, Yaqi Pan, Jingjing Li, Chanyuan Zhang, Na Shen, Zhonghu He, Yang Ke
BACKGROUND & AIMS: We aimed to develop a population-based model to identify individuals at high-risk for esophageal squamous cell carcinoma (ESCC) in regions of China with a high prevalence of this cancer. METHODS: We collected findings from 15,073 permanent residents (45-69 years old) of 334 randomly selected villages in Hua County, Henan Province, China who underwent endoscopic screening (with iodine staining) for ESCC from January 2012 through September 2015...
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28342894/endoscopic-treatment-of-cervical-esophageal-transluminal-bridge
#5
Sinkeet Rankeeti, Michael Mwachiro, Mark Topazian, Stephen Burgert
No abstract text is available yet for this article.
March 22, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28342863/disturbed-tryptophan-metabolism-correlating-to-progression-and-metastasis-of-esophageal-squamous-cell-carcinoma
#6
Jing Cheng, Hai Jin, Xiaobei Hou, Jie Lv, Xianfu Gao, Guangyong Zheng
Esophageal squamous cell carcinoma (ESCC) is one of the most frequent malignancies worldwide. Lymph node metastasis is the leading cause of death in ESCC patients. To identify early diagnostic and prognostic biomarkers of ESCC and elucidate underlying pathogenesis of the disease, a targeted metabolomics strategy based on liquid chromatography combined with tandem mass spectrometry was applied to explore tryptophan metabolism between ESCC patients, metastatic ESCC patients (mESCC), and healthy controls. Statistical analysis on metabolite expression abundance and compound concentration ratio was conducted to discriminate patients from healthy controls...
March 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28340493/conservative-treatment-with-octreotide-to-provide-early-recovery-of-children-with-esophageal-perforation
#7
Ramazan Karabulut, Zafer Turkyilmaz, Kaan Sonmez, Abdullah Can Basaklar
Background The effectiveness of nonoperative treatment of esophageal perforation (EP) in children with octreotide is highlighted. Methods Records of nine patients (seven boys and two girls with an average age of 5.83 ± 5.35 years) with EP were reviewed. Results EP developed in six patients during dilation of esophageal stenosis (five of six caused by caustic burns). In the other three patients, EP developed after nasogastric placement, after endotracheal intubation, and during endoscopy for foreign body...
March 24, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28339468/pbmda-a-novel-and-effective-path-based-computational-model-for-mirna-disease-association-prediction
#8
Zhu-Hong You, Zhi-An Huang, Zexuan Zhu, Gui-Ying Yan, Zheng-Wei Li, Zhenkun Wen, Xing Chen
In the recent few years, an increasing number of studies have shown that microRNAs (miRNAs) play critical roles in many fundamental and important biological processes. As one of pathogenetic factors, the molecular mechanisms underlying human complex diseases still have not been completely understood from the perspective of miRNA. Predicting potential miRNA-disease associations makes important contributions to understanding the pathogenesis of diseases, developing new drugs, and formulating individualized diagnosis and treatment for diverse human complex diseases...
March 24, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28338484/the-importance-of-biopsy-sampling-practices-in-the-pathologic-evaluation-of-gastrointestinal-disorders
#9
Nicole C Panarelli, Rhonda K Yantiss
PURPOSE OF REVIEW: To summarize the literature regarding appropriate endoscopic sampling and surveillance protocols for common inflammatory diseases of the digestive tract. Gastroenterologists increasingly use endoscopy with mucosal biopsy to detect inflammatory diseases, assess response to therapy, and monitor for progression to dysplasia. RECENT FINDINGS: Many diseases show a patchy distribution in the digestive tract and there may be poor correlation between the endoscopic appearance and presence of histologic abnormalities...
September 2016: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28338468/endoscopic-mucosal-resection-for-high-grade-dysplasia-and-intramucosal-carcinoma-a-canadian-experience
#10
Denise Tami Yamashita, Chao Li, Drew Bethune, Harry Henteleff, James Ellsmere
BACKGROUND: Endoscopic mucosal resection (EMR) is increasingly being used as a first-line treatment for Barrett esophagus (BE) with high-grade dysplasia (HGD) and intramucosal adenocarcinoma (IMC). We reviewed our experience with endoscopic treatment of BE with HGD and IMC at our institution with respect to eradication rates, complications and long-term recurrence. METHODS: We performed a single-centre retrospective review of all patients referred between October 2010 and August 2014 for EMR with dysplastic BE or IMC...
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28337964/targeting-cd47-enhances-the-efficacy-of-anti-pd-1-and-ctla-4-in-esophageal-squamous-cell-cancer-preclinical-model
#11
Hua Tao, Pudong Qian, Feijiang Wang, Hongliang Yu, Yesong Guo
Esophageal squamous cell cancer is a highly aggressive cancer with dismal five-year survival rate. CD47 is a cell transmembrane protein that is involved in cell apoptosis, proliferation, adhesion, migration, and antigen presenting of the immune system. Via interacting with signal regulatory protein-alpha expressed in antigen presenting cells (APCs), CD47 acts as an antiphagocytic mechanism to inhibit APCs dependent antigen presenting. Overxpression of CD47 was found in various cancer types. However, its role in esophageal squamous cell cancer is not clear yet...
March 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28337865/helicobacter-pylori-and-barrett%C3%A2-s-esophagus-a-protective-factor-or-a-real-cause
#12
G Tomasello, F Giordano, M Mazzola, R Jurjus, A Jurjus, P Damiani, S Nobile, F Carini, A Leone
Notwithstanding the definite aetiopathogenetic path of certain diseases, the relationship between Helicobacter pylori (H. pylori) and Barrett’s esophagus (BE), a condition that increases the risk for dysplasia and consequently adenocarcinoma of the distal esophagus and esophagogastric junction, remains uncertain. This paper reviews the current scientific literature with emphasis on the protective correlation between H. pylori infection and BE and demonstrates that a causal relationship has not been disproved with certainty...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337838/the-selective-metabotropic-glutamate-receptor-5-antagonist-mavoglurant-afq056-reduces-the-incidence-of-reflux-episodes-in-dogs-and-patients-with-moderate-to-severe-gastroesophageal-reflux-disease
#13
M-L Rouzade-Dominguez, N Pezous, O J David, R Tutuian, S Bruley des Varannes, J Tack, P Malfertheiner, H-D Allescher, M Ufer, A Rühl
BACKGROUND: Transient lower esophageal sphincter relaxations (TLESRs) induced by gastric distension are modulated by the metabotropic glutamate receptor 5 (mGluR5) that influences the vagal reflex loop. We therefore aimed to examine the effects of the selective mGluR5 antagonist mavoglurant (AFQ056) on the number of TLESRs in dogs and reflux episodes in patients with gastroesophageal reflux disease (GERD). METHODS: In a dog model, the number of meal-induced TLESRs was determined after intravenous (0...
March 23, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28337826/diagnostic-outcome-of-contrast-videofluoroscopic-swallowing-studies-in-216-dysphagic-dogs
#14
Rachel E Pollard, Stanley L Marks, Diane M Cheney, Cecily M Bonadio
Determining the anatomic and functional origin for dysphagia is critical for development of an appropriate therapeutic plan and determination of the prognosis. The purpose of this retrospective study was to report the quantitative and qualitative outcome of contrast videofluoroscopic swallowing studies in a large cohort of dysphagic dogs presenting to a tertiary veterinary care hospital. The videofluoroscopic swallowing studies were reviewed to generate values for pharyngeal constriction ratio, timing of swallowing events (maximum pharyngeal contraction, opening of upper esophageal sphincter, closing of upper esophageal sphincter, and reopening of epiglottis), type of esophageal peristalsis generated, and esophageal transit time...
March 23, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28337539/homer1-vesl-1-in-the-rat-esophagus-focus-on-myenteric-plexus-and-neuromuscular-junction
#15
J Zimmermann, W L Neuhuber, M Raab
Homer1, a scaffolding protein of the postsynaptic density (PSD), enriched at excitatory synapses is known to anchor and modulate group I metabotropic glutamate receptors (mGluRs) and different channel- and receptor-proteins. Homer proteins are expressed in neurons of different brain regions, but also in non-neuronal tissues like skeletal muscle. Occurrence and location of Homer1 and mGluR5 in myenteric plexus and neuromuscular junctions (NMJ) of rat esophagus have yet not been characterized. We located Homer1 and mGluR5 immunoreactivity (-iry) in rat esophagus and focused on myenteric neurons, intraganglionic laminar endings (IGLEs) and NMJs, using double- and triple-label immunohistochemistry and confocal laser scanning microscopy...
March 23, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28337481/waterjet-submucosal-dissection-of-porcine-esophagus-with-the-hybridknife-and-erbejet-2-system-a-pilot-study
#16
Daisuke Akutsu, Hideo Suzuki, Toshiaki Narasaka, Masahiko Terasaki, Tsuyoshi Kaneko, Hirofumi Matsui, Yuji Mizokami, Ichinosuke Hyodo
Background and study aims Esophageal endoscopic submucosal dissection (ESD) is technically difficult because of narrow working spaces and ease of perforation due to the lack of serosa. HybridKnife is a recently developed ESD device that is combined with the high pressure waterjet ERBEJET 2 system to lift mucosa. We hypothesized that this waterjet could make submucosal dissection safer and studied this in porcine esophagus. Materials and methods Water pressures of 30 - 70 bar were tested to determine the appropriate pressure for waterjet ESD with HybridKnife (WJ-ESD) in one pig...
January 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28337363/epidemiologic-study-of-human-epidermal-growth-factor-receptor-2-expression-in-advanced-metastatic-gastric-cancer-an-assessment-of-human-epidermal-growth-factor-receptor-2-status-in-tumor-tissue-samples-of-gastric-and-gastro-esophageal-junction-cancer
#17
Kyung Won Seo, Taeyong Jeon, Sewon Kim, Sung Soo Kim, Kwanghee Kim, Byoung-Jo Suh, Sunhwi Hwang, SeongHee Choi, Seungwan Ryu, Jae Seok Min, Young-Joon Lee, Ye Seob Jee, Hyeondong Chae, Doo Hyun Yang, Sang Ho Lee
PURPOSE: The Trastuzumab for gastric cancer (GC) trial identified human epidermal growth factor receptor 2 (HER2) as a predictor of successful treatment with trastuzumab (HER2 receptor targeting agent) among patients with advanced/metastatic GC. To date, the prevalence of HER2 overexpression in the Korean population is unknown. The present study aimed to assess the incidence of HER2 positivity among GC and gastroesophageal (GE) junction cancer samples and the relationship between HER2 overexpression and clinicopathological characteristics in Korean patients...
March 2017: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28336766/abdominal-obesity-and-gastroesophageal-cancer-risk-systematic-review-and-meta-analysis-of-prospective-studies
#18
Xuan Du, Khemayanto Hidayat, Bi-Min Shi
Objective: To systematically and quantitatively review the relation of abdominal obesity, as measured by waist circumference (WC) and waist to hip ratio (WHR), to total gastroesophageal cancer, gastric cancer and esophageal cancer.  Methods: PubMed and Web of Science databases were searched for studies assessing the association between abdominal obesity and gastroesophageal cancer up to August 2016. A random-effect model was used to calculate the summary relative risks (RRs) and 95% confidence intervals (CIs)...
March 23, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28336550/the-effect-of-intravenous-corticotropin-releasing-hormone-administration-on-esophageal-sensitivity-and-motility-in-health
#19
Charlotte Broers, Chloé Melchior, Lukas Van Oudenhove, Tim Vanuytsel, Brecht Van Houtte, Charlotte Scheerens, Nathalie Rommel, Jan F Tack, Ans Pauwels
BACKGROUND: Esophageal hypersensitivity is important in gastro-esophageal reflux disease (GERD) patients refractory to acid-suppressive therapy. Stress affects visceral sensitivity and exacerbates heartburn in GERD. Peripheral CRH is a key mediator of the gut stress response. We hypothesize that CRH increases esophageal sensitivity and alters esophageal motility in health. METHODS: Esophageal sensitivity to thermal, mechanical, electrical and chemical stimuli was assessed in 14 healthy subjects after placebo or CRH (100μg IV)...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28336546/barrett-s-metaplasia-develops-from-cellular-reprograming-of-esophageal-squamous-epithelium-due-to-gastroesophageal-reflux
#20
Carlos D Minacapelli, Manisha Bajpai, Xin Geng, Christina L Cheng, Abhishek A Chouthai, Rhonda F Souza, Stuart Jon Spechler, Kiron M Das
OBJECTIVE: Gastroesophageal reflux disease (GERD) clinically predisposes to columnar Barrett's metaplasia (BM) in the distal esophagus. We demonstrate evidence supporting cellular origin of BM from reprograming or trans-commitment of resident normal esophageal squamous (NES) epithelial cells in response to acid and bile exposure using an in vitro cell culture model. DESIGN: The hTERT-immortalized NES cell line, NES-B10T, was exposed 5 min/day to Acid and Bile (A+B) mixture for 30 weeks...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
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