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Dysmotility

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https://www.readbyqxmd.com/read/28808842/colonic-motor-dysfunctions-in-a-mouse-model-of-high-fat-diet-induced-obesity-an-involvement-of-a2b-adenosine-receptors
#1
Luca Antonioli, Carolina Pellegrini, Matteo Fornai, Erika Tirotta, Daniela Gentile, Laura Benvenuti, Maria Cecilia Giron, Valentina Caputi, Ilaria Marsilio, Genny Orso, Nunzia Bernardini, Cristina Segnani, Chiara Ippolito, Balázs Csóka, Zoltán H Németh, György Haskó, Carmelo Scarpignato, Corrado Blandizzi, Rocchina Colucci
Adenosine A2B receptors (A2BR) regulate several enteric functions. However, their implication in the pathophysiology of intestinal dysmotility associated with high-fat diet (HFD)-induced obesity has not been elucidated. We investigated the expression of A2BR in mouse colon and their role in the mechanisms underlying the development of enteric dysmotility associated with obesity. Wild-type C57BL/6J mice were fed with HFD (60% kcal from fat) or normocaloric diet (NCD; 18% kcal from fat) for 8 weeks. Colonic A2BR localization was examined by immunofluorescence...
August 14, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28803915/neural-crest-cell-implantation-restores-enteric-nervous-system-function-and-alters-the-gastrointestinal-transcriptome-in-human-tissue-engineered-small-intestine
#2
Christopher R Schlieve, Kathryn L Fowler, Matthew Thornton, Sha Huang, Ibrahim Hajjali, Xiaogang Hou, Brendan Grubbs, Jason R Spence, Tracy C Grikscheit
Acquired or congenital disruption in enteric nervous system (ENS) development or function can lead to significant mechanical dysmotility. ENS restoration through cellular transplantation may provide a cure for enteric neuropathies. We have previously generated human pluripotent stem cell (hPSC)-derived tissue-engineered small intestine (TESI) from human intestinal organoids (HIOs). However, HIO-TESI fails to develop an ENS. The purpose of our study is to restore ENS components derived exclusively from hPSCs in HIO-TESI...
August 9, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28803389/gastrointestinal-manifestations-of-stat3-deficient-hyper-ige-syndrome
#3
Manish Arora, Preet Bagi, Anna Strongin, Jennifer Heimall, Xiongce Zhao, Monica G Lawrence, Apurva Trivedi, Carolyn Henderson, Amy Hsu, Martha Quezado, David E Kleiner, Aradhana M Venkatesan, Steven M Holland, Alexandra F Freeman, Theo Heller
OBJECTIVE: STAT 3 deficiency (autosomal dominant hyper immunoglobulin E syndrome (AD-HIES)) is a primary immunodeficiency disorder with multi-organ involvement caused by dominant negative signal transducer and activator of transcription gene 3 (STAT3) mutations. We sought to describe the gastrointestinal (GI) manifestations of this disease. METHODS: Seventy subjects aged five to 60 years with a molecular diagnosis of AD-HIES were evaluated at the National Institutes of Health (NIH)...
August 13, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28801331/autoimmune-gastrointestinal-dysmotility-due-to-small-cell-lung-cancer
#4
Anna Maria Lipowska, Dejan Micic, Allison Cavallo, Edwin McDonald
The diagnosis of autoimmune gastrointestinal dysmotility requires a high level of clinical suspicion when standard work-up is unrevealing. We report the case of a 56-year-old male patient with history of tobacco use and a subacute presentation of weight loss, vomiting and cerebellar ataxia. The discovery of paraneoplastic type 1 antineuronal nuclear antibodies and neuronal acetylcholine receptor antibodies led to further directed imaging and diagnostic studies in spite of prior negative chest imaging. Bronchoscopy with endobronchial ultrasound was used to confirm a diagnosis of small cell lung cancer and paraneoplastic syndrome as the cause of the presenting upper gastrointestinal symptoms...
August 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28783393/pericardial-actinomycosis-in-a-patient-with-oesophageal-dysmotility-and-autoantibodies
#5
Roberto Bellanti, Panagiota A Chousou, Peter J Pugh
No abstract text is available yet for this article.
August 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28770126/anorectal-malformations-histomorphological-and-immunohistochemical-evaluation-of-neuronal-dysfunction
#6
Yashika Bhatia, Sunita Singh, Kamal Nain Rattan, Padam Parmar, Divya Sahni, Rajeev Sen
OBJECTIVE: The patients with anorectal malformations (ARM) have been identified with specific and non-specific pathological changes. The present study was conducted with the aim to study histomorphological changes and various immunohistochemical (IHC) markers (calretinin, S-100, CD117) in intestinal wall specimens to assess neuronal dysfunction in ARM patients. MATERIAL AND METHODS: Thirty children having ARM were included in our study. In all the cases, a representative biopsy was received...
April 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28765176/transient-clinical-improvement-of-a-mitochondrial-neurogastrointestinal-encephalomyopathy-like-syndrome-after-allogeneic-haematopoietic-stem-cell-transplantation
#7
Malcolm Kevin Baker, Clara Maria Schutte, Neelay Ranchhod, David Brittain, J E van Rensburg
Mitochondrial neurogastrointestinal encephalopathy (MNGIE), usually an autosomal-recessive inherited condition, causes gastrointestinal dysmotility, ophthalmoplegia, ptosis, leukoencephalopathy and neuropathy. The chromosome 22 disorder, due to mutations in the nuclear gene TYMP encoding thymidine phosphorylase (TP), leads to the accumulation of thymidine and deoxyuridine, with mitochondrial dysfunction.This report describes a patient with an MNGIE-like syndrome with a heterozygous TYMP mutation who showed marked, but transient improvement postallogeneic haematopoietic stem cell transplantation (HSCT)...
August 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28755521/antibiotic-induced-microbiota-dysbiosis-impairs-neuromuscular-function-in-juvenile-mice
#8
Valentina Caputi, Ilaria Marsilio, Viviana Filpa, Silvia Cerantola, Genny Orso, Michela Bistoletti, Nicola Paccagnella, Sara De Martin, Monica Montopoli, Stefano Dall'Acqua, Francesca Crema, Iole-Maria Di Gangi, Francesca Galuppini, Isabella Lante, Sara Bogialli, Massimo Rugge, Patrizia Debetto, Cristina Giaroni, Maria Cecilia Giron
BACKGROUND AND PURPOSE: Gut microbiota is essential for the development of the gastrointestinal system, including the enteric nervous system (ENS). Early life perturbations of gut microbiota can potentially impact neurodevelopment leading to functional bowel disorders later in life. We examined the hypothesis that gut dysbiosis impairs ENS structural and functional integrity leading to gut dysmotility in juvenile mice. EXPERIMENTAL APPROACH: To induce gut dysbiosis broad-spectrum antibiotics were administered by gavage to juvenile male C57Bl/6 mice for 14 days...
July 29, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28746079/distribution-of-esophageal-motor-disorders-in-diabetic-patients-with-dysphagia
#9
Nina S George, Vikram Rangan, Zhuo Geng, Freeha Khan, Adam Kichler, Scott Gabbard, Stephen Ganocy, Ronnie Fass
BACKGROUND: Diabetes mellitus can cause various gastrointestinal symptoms. Assessment of esophageal dysmotility in diabetic patients has been scarcely studied. The aim of this study was to determine the esophageal motor characteristics of diabetic versus nondiabetic patients who present with dysphagia. METHODS: High-resolution esophageal manometries (HREMs) of 83 diabetic patients and 83 age and gender-matched nondiabetic patients with dysphagia from 2 medical centers were included in this study...
July 25, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28737451/long-term-quality-of-life-outcomes-following-nissen-versus-toupet-fundoplication-in-patients-with-gastroesophageal-reflux-disease
#10
Rebecca L Gunter, Amber L Shada, Luke M Funk, Xing Wang, Jacob A Greenberg, Anne O Lidor
INTRODUCTION: Laparoscopic fundoplication is the gold standard treatment for gastroesophageal reflux disease (GERD) refractory to medical management. Although many studies have compared Nissen fundoplication (NF) to Toupet fundoplication (TF), it is unclear which operation provides the best long-term reflux control. The objective of this study was to evaluate long-term quality-of-life (QoL) outcomes after NF versus TF. METHODS: Clinical data from our single academic institutional foregut database were used to identify patients who underwent NF or TF (June 2010 to May 2016)...
July 24, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28732069/saccharomyces-boulardii-cncm-i-745-supplementation-reduces-gastrointestinal-dysfunction-in-an-animal-model-of-ibs
#11
Paola Brun, Melania Scarpa, Chiara Marchiori, Gloria Sarasin, Valentina Caputi, Andrea Porzionato, Maria Cecilia Giron, Giorgio Palù, Ignazio Castagliuolo
BACKGROUND: We evaluated the effect of Saccharomyces boulardii CNCM I-745 on intestinal neuromuscular anomalies in an IBS-type mouse model of gastrointestinal motor dysfunctions elicited by Herpes Simplex Virus type 1 (HSV-1) exposure. METHODS: Mice were inoculated intranasally with HSV-1 (102 PFU) or vehicle at time 0 and 4 weeks later by the intragastric (IG) route (108 PFU). Six weeks after IG inoculum, mice were randomly allocated to receive oral gavage with either S...
2017: PloS One
https://www.readbyqxmd.com/read/28730506/hiatus-hernia-as-a-cause-of-dysphagia
#12
REVIEW
Hamish Philpott, Rami Sweis
PURPOSE OF REVIEW: This review aims to discuss the putative relationship between hiatus hernia and dysphagia. RECENT FINDINGS: Proposed mechanisms of dysphagia in patients with hiatus hernia are usually difficult to identify, but recent advances in technology (high-resolution manometry with or without concomitant impedance, ambulatory pH with impedance, videofluoroscopy, and the endoluminal functional lumen imaging probe (EndoFLIP)) and methodology (inclusion of swallows of various consistencies and volumes or shifting position during the manometry protocol) can help induce symptoms and identify the underlying disorder...
August 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28725303/evaluation-of-esophageal-functions-by-manometry-in-iron-deficiency-anemia-patients
#13
Pinar Kubilay, Beyza Doganay, Mehmet Bektas
BACKGROUND: The aim of this study was to investigate whether any esophageal motor dysfunction exists in patients with iron deficiency anemia (IDA). METHODS: The study included 39 patients (34 women, mean age: 44.17 ± 14.21 years) who met WHO diagnostic criteria for IDA. An additional 30 functional dyspepsia patients were also included as a control group. Esophageal motility testing was performed; esophagus contraction amplitude, peak velocity, contraction time, lower esophageal sphincter (LES) resting pressure, LES relaxation, and LES relaxation duration were assessed...
June 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28717363/development-of-an-autonomous-endoscopically-implantable-submucosal-microdevice-capable-of-neurostimulation-in-the-gastrointestinal-tract
#14
J Hajer, M Novák
Gastric dysmotility can be a sign of common diseases such as longstanding diabetes mellitus. It is known that the application of high-frequency low-energetic stimulation can help to effectively moderate and alleviate the symptoms of gastric dysmotility. The goal of our research was the development of a miniature, endoscopically implantable device to a submucosal pocket. The implantable device is a fully customized electronics package which was specifically designed for the purpose of experiments in the submucosa...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28710145/a-systematic-review-of-the-effects-of-polyols-on-gastrointestinal-health-and-irritable-bowel-syndrome
#15
REVIEW
Adrienne Lenhart, William D Chey
Polyols are sugar alcohols found in certain fruits, vegetables, and sugar-free sweeteners. They make up a component of the diet low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols, which is gaining popularity in the treatment of patients with irritable bowel syndrome (IBS). We conducted a systematic review to evaluate the effects of polyols on the gastrointestinal tract in healthy men and women and in patients with IBS. Utilizing PubMed, Ovid, and Embase databases, we conducted a search on individual polyols and each of these terms: fermentation, absorption, motility, permeability, and gastrointestinal symptoms...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28705931/proof-of-concept-design-and-initial-evaluation-of-a-new-device-to-measure-gastrointestinal-transit-time
#16
Robert H Wagner, Bital Savir-Baruch, James Halama, Mukund Venu, Medhat Gabriel, Davide Bova
Chronic constipation and gastrointestinal motility disorders constitute a large part of a gastroenterology practice and represent a significant impact on patient quality of life and lifestyle. In most cases, medications are prescribed to alleviate symptoms without an objective measurement of response. Commonly used current investigations of gastrointestinal transit times are limited to radiopaque markers or electronic capsules. Repeated use of these techniques is limited due to radiation exposure or the significant cost of the devices...
July 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28697124/effect-of-intravenous-fluids-and-analgesia-on-dysmotility-in-patients-with-acute-pancreatitis-a-prospective-cohort-study
#17
Landy M Wu, Sayali A Pendharkar, Varsha M Asrani, John A Windsor, Maxim S Petrov
OBJECTIVES: Analgesia and intravenous fluid resuscitation are cornerstones of initial patient management in acute pancreatitis (AP). The aim was to investigate the effect of intravenous fluids and analgesia on gastrointestinal motility in the early course of AP. METHODS: Gastrointestinal dysmotility was assessed using the Gastroparesis Cardinal Symptom Index (GCSI). One-way analysis of variance and analysis of covariance were conducted, adjusting for age, sex, body mass index, severity of AP, preexisting diabetes mellitus, and time from first symptom onset to hospital admission...
August 2017: Pancreas
https://www.readbyqxmd.com/read/28688203/assessment-of-colorectal-length-using-the-electromagnetic-capsule-tracking-system-a-comparative-validation-study-in-healthy-subjects
#18
E B Mark, J L Poulsen, A M Haase, J B Frøkjaer, V Schlageter, S M Scott, K Krogh, A M Drewes
AIM: We aimed to determine colorectal length with the 3D-Transit system by describing a 'centerline' of capsule movement and compare it to known anatomy, as determined by magnetic resonance imaging (MRI). Further, we aimed to test the day-to-day variation of colorectal length assessed with the system. METHOD: The 3D-Transit system consists of electromagnetic capsules that can be tracked as they traverse the gastrointestinal tract. 25 healthy subjects were examined with both 3D-Transit and MRI...
July 8, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28679338/reduced-interstitial-cells-of-cajal-and-increased-intraepithelial-lymphocytes-are-associated-with-development-of-small-intestinal-bacterial-overgrowth-in-post-infectious-ibs-mouse-model
#19
Binrui Chen, Shuwen Zhu, Lijun Du, Huiqin He, John J Kim, Ning Dai
OBJECTIVE: Intestinal dysmotility and immune activation are likely involved in the pathogenesis of small intestinal bacteria overgrowth (SIBO) in irritable bowel syndrome (IBS). We aimed at investigating the role of interstitial cells of Cajal (ICC) and intestinal inflammation in the development of SIBO using a post-infectious IBS (PI-IBS) mouse model. MATERIALS AND METHODS: NIH mice were randomly infected with Trichinella spiralis. Visceral sensitivity and stool pattern were assessed at 8-weeks post-infection (PI)...
July 5, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28672430/the-implication-of-gastric-dysmotility-in-the-pathophysiology-of-functional-dyspepsia
#20
EDITORIAL
Yang Won Min
No abstract text is available yet for this article.
July 30, 2017: Journal of Neurogastroenterology and Motility
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