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Celiac disease and igA

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https://www.readbyqxmd.com/read/28545781/tests-for-serum-transglutaminase-and-endomysial-antibodies-do-not-detect-most-patients-with-celiac-disease-and-persistent-villous-atrophy-on-gluten-free-diets-a-meta-analysis
#1
Jocelyn A Silvester, Satya Kurada, Andrea Szwajcer, Ciarán P Kelly, Daniel A Leffler, Donald R Duerksen
BACKGROUND & AIMS: Tests to measure serum endomysial antibodies (EMA) and antibodies to tissue transglutaminase (tTG) were developed to screen for celiac disease in patients consuming gluten. However, they are commonly used to monitor patients on a gluten-free diet (GFD). We conducted a meta-analysis to assess the sensitivity and specificity of tTG IgA and EMA IgA assays in identifying patients with celiac disease who have persistent villous atrophy despite a GFD. METHODS: We searched PUBMED, EMBASE, BIOSIS, SCOPUS, clinicaltrials...
May 22, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28542044/anti-transglutaminase-6-antibody-development-in-children-with-celiac-disease-correlates-with-duration-of-gluten-exposure
#2
Luigina De Leo, Daniel Aeschlimann, Marios Hadjivassiliou, Pascale Aeschlimann, Nicola Salce, Serena Vatta, Fabiana Ziberna, Giorgio Cozzi, Stefano Martelossi, Alessandro Ventura, Tarcisio Not
OBJECTIVES: Antibodies against transglutaminase 6 (anti-TG6) have been implicated in neurological manifestations in adult patients with genetic-gluten intolerance and it is unclear whether autoimmunity to TG6 develops following prolonged gluten exposure. We measured the anti-TG6 in children with celiac disease (CD) at the diagnosis time to establish a correlation between these autoantibodies and the duration of gluten exposure. We investigated a correlation between anti-TG6 and the presence of neurological disorders...
May 24, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28538942/anti-ttg-among-children-with-chronic-functional-constipation-unresponsive-to-6-weeks-of-treatment-of-constipation
#3
Nooshin Sadjadei, Samaneh Hosseinmardy, Mehran Hakimzadeh, Tahereh Ziaei Kajbaf, Hazhir Javaherizadeh
BACKGROUND: Celiac disease is a glutten induced enteropathy. Some authors recommended screening celiac in children with constipation. There are studies to evaluate celiac disease in children with constipation. But most of them included children regardless to treatment failure. OBJECTIVE: The aim of this study was to evaluate frequency of elevated anti TTG in children with constipation after failure to improve during 6 week of appropriate treatment of constipation...
May 18, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28502679/the-association-between-semaphorin-3a-levels-and-gluten-free-diet-in-patients-with-celiac-disease
#4
Aharon Kessel, Chen Lin, Zahava Vadasz, Regina Peri, Nasren Eiza, Drora Berkowitz
Celiac disease (CD) is an inflammatory disease affecting the small intestine. We aim to assess serum level and expression of semaphorin 3A (Sema3A) on T regulatory (Treg) cells in CD patients. Twenty-six newly diagnosed celiac patients, 13 celiac patients on a gluten-free diet and 16 healthy controls included in the study. Sema3A protein level in the serum of celiac patients was significantly higher compared to healthy group (7.17±1.8ng/ml vs. 5.67±1.5ng/ml, p=0.012). Sema3A expression on Treg cells was statistically lower in celiac patients compared to healthy subjects (p=0...
May 11, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28491884/association-of-autoimmune-hepatitis-and-celiac-disease-role-of-gluten-free-diet-in-reversing-liver-dysfunction
#5
Umair Iqbal, Ahmad Chaudhary, Muhammad Arsalan Karim, Muhammad Arsalan Siddiqui, Hafsa Anwar, Nancy Merrell
Autoimmune hepatitis (AIH) is a chronic inflammation of liver with unclear etiology. It is frequently associated other autoimmune diseases, and its association with celiac disease (CD) is well established. In this article, we describe the case of a 50-year-old male with long-standing AIH taking azathioprine for 10 years, evaluated for flares in transaminases. Despite adding high-dose corticosteroids, his transaminases and bilirubin remained high. Serology for CD was ordered, which revealed elevated tissue transglutaminase antibody IgG and endomysial IgA, which was further confirmed by endoscopic biopsy...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28461188/validation-of-antibody-based-strategies-for-diagnosis-of-pediatric-celiac-disease-without-biopsy
#6
Johannes Wolf, David Petroff, Thomas Richter, Marcus Kh Auth, Holm H Uhlig, Martin W Laass, Peter Lauenstein, Andreas Krahl, Norman Händel, Jan de Laffolie, Almuthe C Hauer, Thomas Kehler, Gunter Flemming, Frank Schmidt, Astor Rodriques, Dirk Hasenclever, Thomas Mothes
BACKGROUND AND AIMS: A diagnosis of celiac disease is made based on clinical, genetic, serologic, and duodenal morphology features. Recent pediatric guidelines, based largely on retrospective data, propose omitting biopsy analysis for patients with concentrations of immunoglobulin A against tissue transglutaminase (IgA-TTG) more than 10-fold the upper limit of normal (ULN) and if further criteria are met. A retrospective study concluded that measurements of IgA-TTG and total IgA, or IgA-TTG and IgG against deamidated gliadin (IgG-DGL) could identify patients with and without celiac disease...
April 28, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28437323/lack-of-utility-of-anti-ttg-igg-to-diagnose-celiac-disease-when-anti-ttg-iga-is-negative
#7
Imad Absah, Abdul R Rishi, Rami Gebrail, Melissa R Snyder, Joseph A Murray
OBJECTIVES: Guidelines for diagnosing celiac disease (CD) recommend initial testing with a highly sensitive serologic test for anti-tissue transglutaminase immunoglobulin A antibodies (tTG IgA). When the probability of CD is high, IgA deficiency should be considered. The 2 approaches to address this include measuring "both tTG IgA and tTG IgG" or measuring "total IgA." We aim to assess the utility of an isolated positive tTG IgG result in diagnosing CD. METHODS: We conducted a retrospective review of patients undergoing serologic testing for CD from January 1997 to June 2014...
May 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28433781/prevalence-of-celiac-disease-autoimmunity-among-adolescents-and-young-adults-in-china
#8
Juanli Yuan, Chunyan Zhou, Jinyan Gao, Jingjing Li, Fenglian Yu, Jun Lu, Xin Li, Xiaozhong Wang, Ping Tong, Zhihua Wu, Anshu Yang, Yonghong Yao, Sarah Nadif, Heng Shu, Jiang Xu, Yujie Wu, Luud Gilissen, Hongbing Chen
BACKGROUND & AIMS: In China, epidemiological information on celiac disease autoimmunity is scarce and fragmented. We investigated the prevalence of celiac disease autoimmunity in the general Chinese population. METHODS: In a cross-sectional prospective study, 19,778 undiagnosed Chinese adolescents and young adults (16-25 years old) were recruited from consecutive new students who underwent routine physical examinations at 2 universities in Jiangxi, China from Sep...
April 19, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28413079/mexican-consensus-on-dyspepsia
#9
R Carmona-Sánchez, O Gómez-Escudero, M Zavala-Solares, M V Bielsa-Fernández, E Coss-Adame, A I Hernández-Guerrero, F Huerta-Iga, M E Icaza-Chávez, M A Lira-Pedrín, J A Lizárraga-López, A López-Colombo, A Noble-Lugo, J Pérez-Manauta, R H Raña-Garibay, J M Remes-Troche, J L Tamayo, L F Uscanga, F Zamarripa-Dorsey, M A Valdovinos Díaz, J A Velarde-Ruiz Velasco
Since the publication of the 2007 dyspepsia guidelines of the Asociación Mexicana de Gastroenterología, there have been significant advances in the knowledge of this disease. A systematic search of the literature in PubMed (01/2007 to 06/2016) was carried out to review and update the 2007 guidelines and to provide new evidence-based recommendations. All high-quality articles in Spanish and English were included. Statements were formulated and voted upon using the Delphi method. The level of evidence and strength of recommendation of each statement were established according to the GRADE system...
April 13, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28397343/celiac-disease-prevalence-in-a-large-series-of-patients-with-behcet-s-disease
#10
Erdem Koçak, Erdem Akbal, Yavuz Beyazit, Bilal Ergül, Arzu Karataş, Seyfettin Köklü, H Meral Ekşioğlu
AIM: There are common findings between Behçet's disease (BD) and celiac disease (CD) based on similar immunological pathogenesis and there is only limited data available investigating the link between these two diseases. Furthermore, documented gastrointestinal (GI) involvement with marked upper GI symptoms in BD has been rarely reported. The aim of this study was to assess the prevalence of CD and to evaluate endoscopic findings in Turkish BD patients. METHODS: A total of 210 BD patients were included in the study...
April 11, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28392744/big-differences-in-primary-care-celiac-disease-serological-markers-request-in-spain
#11
Maria Salinas, Maite López-Garrigós, Emilio Flores, Carlos Leiva-Salinas
INTRODUCTION: Celiac disease (CD) prevalence is increasing but the disorder remains undiagnosed. The study compares CD serology markers requested by General Practitioners (GPs) over time and geographical areas. The aim of the current research is to assess the inter-practice and temporal variability in the request of CD serology markers by GPs in Spain, and the differences between regions. MATERIALS AND METHODS: A cross-sectional study was conducted enrolling Spanish clinical laboratories...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28389733/celiac-disease-in-non-clinical-populations-of-japan
#12
Mai Fukunaga, Norihisa Ishimura, Chika Fukuyama, Daisuke Izumi, Nahoko Ishikawa, Asuka Araki, Akihiko Oka, Tomoko Mishiro, Shunji Ishihara, Riruke Maruyama, Kyoichi Adachi, Yoshikazu Kinoshita
BACKGROUND: Celiac disease is a chronic autoimmune enteropathy caused by gluten ingestion. While its prevalence in Western countries is reported to be as high as 1%, the prevalence has not been evaluated in a large-scale study of a Japanese population. The aim of our study was to clarify the possible presence of celiac disease in a Japanese non-clinical population as well as in patients showing symptoms suggestive of the disease. METHODS: Serum samples were collected from 2008 non-clinical adults and 47 patients with chronic unexplained abdominal symptoms between April 2014 and June 2016...
April 7, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28387776/enhanced-detection-of-quantum-dots-by-the-magnetohydrodynamic-effect-for-electrochemical-biosensing
#13
Daniel Martín-Yerga, Pablo Fanjul-Bolado, David Hernández-Santos, Agustín Costa-García
In this work, we describe the use of a magnetoelectrochemical support for screen-printed electrodes to improve the anodic stripping voltammetry of cadmium due to the generated magnetohydrodynamic (MHD) effect. To create a significant MHD effect, Fe(iii) was added at mM concentrations to the solution. The reduction of Fe(iii) simultaneously with the cadmium deposition on the electrode surface allowed the production of a high cathodic current, which generated a large Lorentz force capable of exerting a convective effect on the solution in the presence of the magnetic field...
May 2, 2017: Analyst
https://www.readbyqxmd.com/read/28387082/-severe-hepatitis-with-hypogammaglobulinaemia-iga-of-non-alcoholic-origin
#14
R Abu Serieh, E Wain, V Drion, M Van Severen
This clinical case describes a severe liver insufficiency associated with an IgA hypergammaglobulinaemia. The search for an etiology excluded all classical causes of hepatopathy and led to the diagnosis of celiac disease. Liver impairment improved with a gluten-free diet. This observation emphasizes the need for a careful etiological diagnosis of any hepatopathy; this may result in the discovery of a potentially reversible cause amenable to a simple therapeutic strategy.
February 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28357481/disulfide-modified-antigen-for-detection-of-celiac-disease-associated-anti-tissue-transglutaminase-autoantibodies
#15
Luis Carlos Rosales-Rivera, Samuel Dulay, Pablo Lozano-Sánchez, Ioanis Katakis, Josep Lluís Acero-Sánchez, Ciara K O'Sullivan
A simple and rapid immunosensor for the determination of the celiac disease-related antibody, anti-tissue transglutaminase, was investigated. The antigenic protein tissue transglutaminase was chemically modified, introducing disulfide groups through different moieties of the molecule (amine, carboxylic, and hydroxyl groups), self-assembled on gold surfaces, and used for the detection of IgA and IgG autoantibodies. The modified proteins were evaluated using enzyme-linked immunosorbent assay and surface plasmon resonance, which showed that only introduction of the disulfide groups through amine moieties in the tissue transglutaminase preserved its antigenic properties...
March 29, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28350935/screening-for-celiac-disease-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#16
REVIEW
Roger Chou, Christina Bougatsos, Ian Blazina, Katherine Mackey, Sara Grusing, Shelley Selph
Importance: Silent or subclinical celiac disease may result in potentially avoidable adverse health consequences. Objective: To review the evidence on benefits and harms of screening for celiac disease in asymptomatic adults, adolescents, and children 3 years and older for the US Preventive Services Task Force. Data Sources: Ovid MEDLINE, Cochrane Central Register of Controlled Trials, and Cochrane Database of Systematic Reviews, searched to June 14, 2016...
March 28, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28343658/text-message-intervention-teach-improves-quality-of-life-and-patient-activation-in-celiac-disease-a-randomized-clinical-trial
#17
Kelly Haas, Andrew Martin, K T Park
OBJECTIVE: To determine the impact of the Text Message Educational Automated Compliance Help (TEACH) text message intervention as a pragmatic approach for patient engagement among adolescents with celiac disease (CD) as measured by gluten-free diet (GFD) adherence, patient activation, and quality of life (QOL). STUDY DESIGN: Randomized controlled trial with patient recruitment at a pediatric, university-based hospital and through social media; 61 participants ages 12-24 years with CD diagnosed at least 1 year were enrolled...
March 23, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28337237/relationship-between-helicobacter-pylori-infection-and-celiac-disease-a-cross-sectional-study-and-a-brief-review-of-the-literature
#18
Sebahat Basyigit, Oktay Unsal, Metin Uzman, Ferdane Sapmaz, Ozlem Ceylan Dogan, Ayse Kefeli, Zeliha Asilturk, Abdullah Ozgur Yeniova, Yasar Nazligul
INTRODUCTION: Whether Helicobacter pylori triggers celiac disease (CD) or protects against CD is currently the subject of research. In the literature, there are epidemiologic studies that have reported conflicting results regarding the association between H. pylori and CD. AIM: To compare the prevalence of CD autoantibody positivity and the levels of CD autoantibodies between H. pylori-positive and H. pylori-negative subjects. MATERIAL AND METHODS: This study was prospectively designed and included 240 dyspeptic patients who underwent upper gastrointestinal endoscopy with gastric and duodenal biopsies...
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/28331568/lithophagia-as-a-clue-for-celiac-disease-a-case-report-and-literature-review
#19
Mosayeb Shahryar, Iraj Shahramian, Seyed Mohsen Dehghani, NoorMohammad Noori, Maryam Ataollahi
Lithophagia is a type of pica that might be resulted from Iron Deficiency Anemia (IDA) which is the frequent presenting signs of Celiac Disease (CD). A 5-year-old child with a two year history of the lithophagia with a, refractory IDA, abdominal distention and constipation. The child did not grow well and had failure to thrive. With suspicion to CD, TTg IgA level was measured and due to an incearse of TTg IgA level the patients were undergone esophagogastrodeudonoscpy and jejunal biopsy. The biopsy showed severe villous atrophy and an increase in limphoplasma cells...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28276604/one-step-immunochromatographic-visual-assay-for-anti-transglutaminase-detection-in-organ-culture-system-an-easy-and-prompt-method-to-simplify-the-in-vitro-diagnosis-of-celiac-disease
#20
Marco Di Tola, Mariacatia Marino, Rossella Casale, Raffaele Borghini, Antonio Tiberti, Giuseppe Donato, Umberto Occhiuzzi, Antonio Picarelli
BACKGROUND: Anti-tissue transglutaminase (anti-tTG) and endomysium antibodies (EMA) are detectable in duodenal culture media of celiac disease (CD) patients. To improve the management of this organ culture system, we evaluated the anti-tTG occurrence by immunochromatographic assay (ICA). METHODS: A total of 103 CD patients and 41 disease controls underwent duodenal biopsy for the organ culture. In culture supernatants, IgA anti-tTG were tested by both enzyme-linked immunosorbent assay (ELISA) and ICA, IgA EMA were searched by indirect immunofluorescence analysis (iIFA)...
March 9, 2017: Journal of Clinical Laboratory Analysis
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