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https://www.readbyqxmd.com/read/28624578/temporary-removal-accuracy-of-tests-for-antibodies-against-tissue-transglutaminase-in-diagnosis-of-celiac-disease-without-biopsy
#1
K J Werkstetter, I R Korponay-Szabó, A Popp, V Villanacci, M Salemme, G Heilig, S T Lillevang, M L Mearin, C Ribes-Koninckx, A Thomas, R Troncone, B Filipiak, M Mäki, J Gyimesi, M Najafi, J Dolinšek, S Dydensborg Sander, R Auricchio, A Papadopoulou, A Vécsei, P Szitanyi, E Donat, R Nenna, Ph Alliet, F Penagini, H Garnier-Lengliné, G Castillejo, K Kurppa, R Shamir, A C Hauer, F Smets, S Corujeira, M van Winckel, S Buderus, S Chong, S Husby, S Koletzko
The publisher regrets that this article has been temporarily removed. A replacement will appear as soon as possible in which the reason for the removal of the article will be specified, or the article will be reinstated. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
June 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28595520/a-case-of-fulminant-type-1-diabetes-following-anti-pd1-immunotherapy-in-a-genetically-susceptible-patient
#2
Manuel Araújo, Dário Ligeiro, Luís Costa, Filipa Marques, Helder Trindade, José Manuel Correia, Candida Fonseca
Programmed cell death-1 protein (PD-1) is an immune checkpoint that has gained popularity in the treatment of several advanced cancers. Inhibiting this checkpoint is known to enhance immune response, but is also known to diminish immune tolerance and to increase autoimmune toxicity. We discuss a case of rapid onset fulminant Type 1 diabetes induced by treatment with anti-programmed cell death-1 monoclonal antibody, nivolumab, in a patient with late-stage non-small-cell lung adenocarcinoma. The patient had no history of previous diabetes but did reveal a high-risk genotype for Type 1 diabetes development (DR3-DQ2; DR4-DQ8)...
June 2017: Immunotherapy
https://www.readbyqxmd.com/read/28566880/immune-response-to-vaccines-in-children-with-celiac-disease
#3
EDITORIAL
Caterina Anania, Francesca Olivero, Alessandra Spagnolo, Claudio Chiesa, Lucia Pacifico
Celiac disease (CD) is an immune-mediated systemic condition evoked by ingestion of gluten and related prolamines in genetically susceptible subjects. The disease is featured by a variable combination of clinical signs, specific antibodies, HLA-DQ2 and HLA-DQ8 haplotypes, and enteropathy. Vaccination is the most potent intervention for infectious disease prevention. Several factors including age, gender, ethnicity, quality and quantity of vaccine antigen, doses, and route of administration can influence immune response to vaccination, although the main cause of variation in the responsiveness among vaccine recipients is host genetic variability...
May 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28550517/early-prediction-of-autoimmune-type-1-diabetes
#4
REVIEW
Simon E Regnell, Åke Lernmark
Underlying type 1 diabetes is a genetic aetiology dominated by the influence of specific HLA haplotypes involving primarily the class II DR-DQ region. In genetically predisposed children with the DR4-DQ8 haplotype, exogenous factors, yet to be identified, are thought to trigger an autoimmune reaction against insulin, signalled by insulin autoantibodies as the first autoantibody to appear. In children with the DR3-DQ2 haplotype, the triggering reaction is primarily against GAD signalled by GAD autoantibodies (GADA) as the first-appearing autoantibody...
May 26, 2017: Diabetologia
https://www.readbyqxmd.com/read/28535873/similar-responses-of-intestinal-t-cells-from-untreated-children-and-adults-with-celiac-disease-to-deamidated-gluten-epitopes
#5
Melinda Ráki, Shiva Dahal-Koirala, Hao Yu, Ilma R Korponay-Szabó, Judit Gyimesi, Gemma Castillejo, Jørgen Jahnsen, Shuo-Wang Qiao, Ludvig M Sollid
BACKGROUND & AIMS: Celiac disease is a chronic small intestinal inflammatory disorder mediated by an immune response to gluten peptides in genetically susceptible individuals. Celiac disease is often diagnosed in early childhood, but some patients receive a diagnosis late in life. It is uncertain whether pediatric celiac disease is distinct from adult celiac disease. It has been proposed that gluten-reactive T cells in children recognize deamidated and native gluten epitopes, whereas T cells from adults only recognize deamidated gluten peptides...
May 20, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28514313/clinical-and-biological-correlations-in-celiac-disease-in-children-the-prospective-single-experience-of-a-romanian-tertiary-center-a-case-control-study-strobe-compliant-study
#6
Cristina Oana Marginean, Lorena Elena Meliţ, Roxana-Cristina Mareş, Maria Oana Mărginean, Septimiu Voidăzan, Minodora Dobreanu
Celiac disease-a chronic inflammatory disease of the intestine-is triggered by gluten or associated protein consumption.The aim of our study was to assess the sensitivity, specificity of the combined anti-transglutaminase 2 (TG2)/deamidated gliadin peptide antibodies (DGP), and antiendomisium antibodies (EMA), to determine the distribution of HLA-DQ2/DQ8 for the 140 tested patients, and also to evaluate the clinical and laboratory characteristics of patients admitted with the suspicion of celiac disease (CD)...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28506538/epitope-specific-immunotherapy-targeting-cd4-positive-t-cells-in-coeliac-disease-two-randomised-double-blind-placebo-controlled-phase-1-studies
#7
Gautam Goel, Tim King, A James Daveson, Jane M Andrews, Janakan Krishnarajah, Richard Krause, Gregor J E Brown, Ronald Fogel, Charles F Barish, Roger Epstein, Timothy P Kinney, Philip B Miner, Jason A Tye-Din, Adam Girardin, Juha Taavela, Alina Popp, John Sidney, Markku Mäki, Kaela E Goldstein, Patrick H Griffin, Suyue Wang, John L Dzuris, Leslie J Williams, Alessandro Sette, Ramnik J Xavier, Ludvig M Sollid, Bana Jabri, Robert P Anderson
BACKGROUND: A gluten-free diet is the only means to manage coeliac disease, a permanent immune intolerance to gluten. We developed a therapeutic vaccine, Nexvax2, designed to treat coeliac disease. Nexvax2 is an adjuvant-free mix of three peptides that include immunodominant epitopes for gluten-specific CD4-positive T cells. The vaccine is intended to engage and render gluten-specific CD4-positive T cells unresponsive to further antigenic stimulation. We assessed the safety and pharmacodynamics of the vaccine in patients with coeliac disease on a gluten-free diet...
May 11, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28483757/barriers-to-implementing-the-revised-espghan-guidelines-for-coeliac-disease-in-children-a-cross-sectional-survey-of-coeliac-screen-reporting-in-laboratories-in-england
#8
Siba Prosad Paul, Sophie Louise Harries, Dharamveer Basude
BACKGROUND: European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN) guidelines for diagnosing paediatric coeliac disease (CD) were revised in 2012. This enabled serological diagnosis in a selective group of symptomatic children using anti-tissue transglutaminase (anti-tTG) titre, antiendomysial antibodies (EMA) and HLA DQ2/DQ8 status. However, observing variations in the availability of serological tests for CD within our region, we conducted a countrywide survey to explore the diversity of these tests for all paediatric centres...
May 8, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28456719/abnormalities-in-cd57-cytotoxic-t-cells-and-v%C3%AE-1-%C3%AE-%C3%AE-t-cells-in-subclinical-celiac-disease-in-childhood-are-affected-by-cytomegalovirus-the-generation-r-study
#9
M A E Jansen, D van den Heuvel, V W V Jaddoe, M C van Zelm, H A Moll
Celiac disease (CD) is a digestive and autoimmune disorder driven by an immune response to modified gluten peptides. Affected intestines show infiltrates of various T-cell and NK-cell subsets. It is currently unclear if individuals with subclinical CD have systemic abnormalities in immune cells. We here studied whether subclinical CD is associated with changes in blood CD57-expressing and Vδ1-expressing lymphocytes in children, and whether cytomegalovirus (CMV) infection modifies this association. Included were 1068 children from the Generation R Study...
April 26, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28433781/prevalence-of-celiac-disease-autoimmunity-among-adolescents-and-young-adults-in-china
#10
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/28387648/dysmorphic-features-frontal-cerebral-cavernoma-and-hyperglycemia-in-a-girl-with-a-de-novo-deletion-of-7-23-mb-in-region-7p13-p12-1
#11
Gilberto Pérez López, Beatriz Villafuerte Quispe, María José Cabrejas Núñez, Luis Castaño, Raquel Barrio
We describe the case of a 7 year old girl referred to our Diabetes Unit for hyperglycemia associated to facial dysmorphic features, intellectual disability and cerebral cavernomas, who was initially diagnosed with type 1 diabetes mellitus (positive anti-IA2 antibody and HLA DR3/DR4/DQ2). In follow up, due to the evolution of the diabetes (very good metabolic control with low insulin dose and negative IA-2 antibodies - samples analyzed in two different laboratories-), first clinical suspicion was GCK-related Maturity-Onset Diabetes of the Young (MODY 2) by persistent mild hyperglycemia in the fasting state, which was substantiated in Multiplex Ligation-dependent Probe Amplification (MLPA)...
April 7, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28387454/coeliac-disease-and-gastrointestinal-symptom-screening-in-adult-first-degree-relatives
#12
Luis Vaquero, Laura Rodríguez-Martín, Begoña Alvarez-Cuenllas, Mercedes Hernando, Cristina Iglesias-Blazquez, Cristina Menéndez-Arias, Santiago Vivas
BACKGROUND AND AIM: The first-degree relatives (FDRs) of patients with coeliac disease are the main risk group for disease development. To evaluate the screening strategy in FDRs with negative coeliac serology based on human leukocyte antigen (HLA) genotyping, followed by duodenal biopsy, and to analyze the prevalence of gastrointestinal symptoms and the influence of gluten intake. METHODS: Adult FDRs with negative coeliac serology were invited to participate (n = 205), and a total of 139 completed the study protocol...
April 7, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28364043/unraveling-the-structural-basis-for-the-unusually-rich-association-of-human-leukocyte-antigen-dq2-5-with-class-ii-associated-invariant-chain-peptides
#13
Thanh-Binh Nguyen, Priya Jayaraman, Elin Bergseng, M S Madhusudhan, Chu-Young Kim, Ludvig M Sollid
Human leukocyte antigen (HLA)-DQ2.5 (DQA1*05/DQB1*02) is a class-II major histocompatibility complex protein associated with both type 1 diabetes and celiac disease. One unusual feature of DQ2.5 is its high class-II-associated invariant chain peptide (CLIP) content. Moreover, HLA-DQ2.5 preferentially binds the non-canonical CLIP2 over the canonical CLIP1. To better understand the structural basis of HLA-DQ2.5's unusual CLIP association characteristics, better insight into the HLA-DQ2.5·CLIP complex structures is required...
June 2, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28340813/comparison-of-anti-hla-antibody-production-according-to-gestational-periods-in-pregnant-women
#14
COMPARATIVE STUDY
B Cerci Gurbuz, M Soyoz, D Ozkale Okyay, T Kilicaslan Ayna, I Pirim
BACKGROUND: To evaluate paternal anti-HLA antibody profiles, sera samples were collected from pregnant women in different trimesters and the panel-reactive antibody (PRA) specificities were identified. METHODS: From 2013 to 2015, serum samples were obtained from 41 pregnant women who had registered at the Izmir Tepecik Education and Research Hospital Gynecology Clinic. Anti-HLA antibodies were screened by using the panel reactive antibody screening and identification tests...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28339124/gliadin-reactive-t-cells-in-italian-children-from-preventcd-cohort-at-high-risk-for-celiac-disease
#15
Alessandra Camarca, Renata Auricchio, Stefania Picascia, Olga Fierro, Mariantonia Maglio, Erasmo Miele, Basilio Malamisura, Luigi Greco, Riccardo Troncone, Carmen Gianfrani
BACKGROUND: Newborns at high risk for celiac disease (CD) were recruited in Italy in the context of the PreventCD Study and closely monitored for CD, from 4 months up to a mean age of 8 years at follow-up. The aim of our study was to investigate intestinal T cell reactivity to gliadin at the first clinical and/or serological signs of CD. METHODS: Gliadin-reactive T cell lines were generated from intestinal biopsies of 19 HLA-DQ2 or HLA-DQ8 positive children. At biopsy, 11 children had a diagnosis of acute CD, two of potential CD, and six were non-celiac controls...
March 24, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28316996/overview-of-celiac-disease-in-russia-regional-data-and-estimated-prevalence
#16
REVIEW
Lyudmila V Savvateeva, Svetlana I Erdes, Anton S Antishin, Andrey A Zamyatnin
Celiac disease (CD) is an autoimmune enteropathy triggered by the ingestion of dietary gluten from some cereals mainly in individuals carrying the HLA-DQ2 and/or HLA-DQ8 haplotypes. As an autoimmune disease, CD is manifested in the small intestine in the form of a progressive and reversible inflammatory lesion due to immune response to self-antigens. Indeed, CD is one of the most challenging medicosocial problems in current gastroenterology. At present, the global CD prevalence is estimated at approximately 1% based on data sent from different locations and available CD screening strategies used...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28247576/hla-class-ii-alleles-in-norwegian-patients-with-coexisting-type-1-diabetes-and-celiac-disease
#17
M K Viken, S T Flåm, T Skrivarhaug, S S Amundsen, L M Sollid, A K Drivvoll, G Joner, K Dahl-Jørgensen, B A Lie
BACKGROUND: Type 1 diabetes (T1D) and celiac disease (CeD) are 2 distinct diseases, but there is an increased risk of developing CeD for T1D patients. Both diseases are associated with HLA-class II alleles, such as DQB1 *02:01 and DQB1 *03:02; however, their risk contribution vary between the diseases. MATERIALS AND METHODS: We genotyped HLA-DRB1 and - DQB1 in 215 patients with coexisting T1D and CeD identified from a T1D cohort, and compared them to patients with T1D (N = 487) and CeD (N = 327), as well as healthy controls (N = 368)...
May 2017: HLA
https://www.readbyqxmd.com/read/28243038/the-role-of-flow-cytometry-in-celiac-disease-screening-using-human-leukocyte-antigen-in-adult-patients-with-type-1-diabetes-mellitus
#18
Miren Vicuña Arregui, Jose Manuel Zozaya Urmeneta, Helena León Brito, Juan Pablo Martínez De Esteban, Carlos Prieto Martínez, Lluis Forga Llenas, Erkuden Aranburu Urtasun, Francisco Sala Pericas, Ramón Angós Musgo, Maria Rosario Mercado Gutierrez, Mercedes Palacios Sarrasqueta
BACKGROUND: Patients with type 1 diabetes mellitus (DM1) have an increased risk of celiac disease (CD). Since CD can be seronegative, more sensible tests for detection are needed. In seronegative patients, CD diagnosis may be difficult because of a lack of specificity. Flow cytometry analysis of lymphocyte populations can be useful in this situation. We aimed to study the prevalence of CD in adult DM1 using human leukocyte antigen (HLA) compatibility-based screening. A secondary goal was to study the role of flow cytometry as a complementary tool in these patients...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28228423/the-role-of-gluten-consumption-at-an-early-age-in-celiac-disease-development-a-further-analysis-of-the-prospective-preventcd-cohort-study
#19
Paula Crespo-Escobar, Maria Luisa Mearin, David Hervás, Renata Auricchio, Gemma Castillejo, Judit Gyimesi, Eva Martinez-Ojinaga, Katharina Werkstetter, Sabine Lisa Vriezinga, Ilma Rita Korponay-Szabo, Isabel Polanco, Riccardo Troncone, Els Stoopman, Sanja Kolaček, Raanan Shamir, Hania Szajewska, Sibylle Koletzko, Carmen Ribes-Koninckx
Background: We previously found that the introduction of small quantities of gluten at 4-6 mo of age did not reduce the risk of celiac disease (CD) in a group of high-risk children. However, the consumption of high amounts of gluten early in life has been suggested to increase CD risk.Objective: The aim of this study was to evaluate this hypothesis by using data from the previous study of the PreventCD trial (www.preventcd.com).Design: Gluten intake was prospectively quantified by using specific food records between 11 and 36 mo of age in 715 children positive for the human leukocyte antigen (HLA)-DQ2 and/or HLA-DQ8 from 5 European countries...
April 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28182308/mr-enterography-in-nonresponsive-adult-celiac-disease-correlation-with-endoscopic-pathologic-serologic-and-genetic-features
#20
Amir Reza Radmard, Amir Pejman Hashemi Taheri, Elham Salehian Nik, Soheil Kooraki, Shadi Kolahdoozan, Babak Mirminachi, Masoud Sotoudeh, Golnaz Ekhlasi, Reza Malekzadeh, Bijan Shahbazkhani
PURPOSE: To assess small bowel abnormalities on magnetic resonance enterography (MRE) in adult patients with nonresponsive celiac disease (CD) and investigate their associations with endoscopic, histopathologic, serologic, and genetic features. MATERIALS AND METHODS: This prospective study was carried out between September 2012 and August 2013. After approval by the Ethics Committee of our institution, informed consent was acquired from all participants. Forty consecutive patients with nonresponsive CD, aged 17-76 years, underwent MRE using a 1...
February 9, 2017: Journal of Magnetic Resonance Imaging: JMRI
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