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https://www.readbyqxmd.com/read/28631048/celiac-disease-from-etiological-factors-to-evolving-diagnostic-approaches
#1
REVIEW
Anantdeep Kaur, Olga Shimoni, Michael Wallach
Celiac disease has advanced from a medical rarity to a highly prevalent disorder. Patients with the disease show varying degrees of chronic inflammation within the small intestine due to an aberrant immune response to the digestion of gliadin found in wheat. As a result, cytokines and antibodies are produced in celiac patients that can be used as specific biomarkers for developing diagnostic tests. This review paper describes celiac disease in terms of its etiological cause, pathological effects, current diagnostic tests based on mucosal biopsy, and the genetic basis for the disease...
June 19, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28628250/grain-subproteome-responses-to-nitrogen-and-sulfur-supply-in-diploid-wheat-triticum-monococcum-ssp-monococcum
#2
Titouan Bonnot, Emmanuelle Bancel, David Alvarez, Marlène Davanture, Julie Boudet, Marie Pailloux, Michel Zivy, Catherine Ravel, Pierre Martre
Wheat grain storage proteins (GSPs) make up most of the protein content of grain and determine flour end-use value. The synthesis and accumulation of GSPs depend highly on nitrogen (N) and sulfur (S) availability and it is important to understand the underlying control mechanisms. Here we studied how the einkorn (Triticum monococcum ssp. monococcum) grain proteome responds to different amounts of N and S supply during grain development. GSP composition at grain maturity was clearly impacted by nutrition treatments, due to early changes in the rate of GSP accumulation during grain filling...
June 19, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28627070/lack-of-immunogenicity-of-hydrolysed-wheat-flour-in-patients-with-coeliac-disease-after-a-short-term-oral-challenge
#3
R Mandile, S Picascia, C Parrella, A Camarca, M Gobbetti, L Greco, R Troncone, C Gianfrani, R Auricchio
BACKGROUND: A gluten-free diet is currently the only reliable therapeutic strategy that is approved for coeliac disease (CD). For many patients, however, compliance remains inadequate. AIM: To investigate the immunogenicity of wheat flour that was pre-treated with selected lactobacilli and fungal proteases (hydrolysed wheat gluten) in coeliac patients. METHODS: The immunogenicity of hydrolysed wheat gluten was evaluated both in vitro in intestinal T cell lines (TCLs) and in vivo in treated CD patients after a short-term gluten challenge...
June 19, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28625740/comparative-proteomic-analysis-of-two-transgenic-low-gliadin-wheat-lines-and-non-transgenic-wheat-control
#4
María Dolores García-Molina, Vera Muccilli, Rosaria Saletti, Salvatore Foti, Stefania Masci, Francisco Barro
Gluten proteins are major determinants of the bread making quality of wheat, but also of important wheat-related disorders, including coeliac disease (CD), and allergies. We carried out a proteomic study using the total grain proteins from two low-gliadin wheat lines, obtained by RNAi, and the untransformed wild type as reference. The impact of silencing on both target and on non-target proteins was evaluated. Because of the great protein complexity, we performed separate analyses of four kernel protein fractions: gliadins and glutenin subunits, and metabolic and CM-like proteins, by using a classical 2D electrophoresis gel based approach followed by RP-HPLC/nESI-MS/MS...
June 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28624578/temporary-removal-accuracy-of-tests-for-antibodies-against-tissue-transglutaminase-in-diagnosis-of-celiac-disease-without-biopsy
#5
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/28614732/influence-of-the-drug-distribution-in-electrospun-gliadin-fibers-on-drug-release-behavior
#6
Ying Xu, Jiao-Jiao Li, Deng-Guang Yu, Gareth R Williams, Jun-He Yang, Xia Wang
Drug distribution within its carrier in a solid dosage form often generates a profound influence on its release profile, particularly when the physicochemical properties of the carrier are exploited to manipulate drug release behavior. In this job, two different types of distributions of a model drug ibuprofen (IBU) within a protein gliadin in their electrospun nanofibers were intentionally created. One was homogeneous distribution in the monolithic fibers fabricated using a modified coaxial process, and the other one was heterogeneous distribution in the core/shell fibers prepared through a traditional coaxial process...
June 11, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28555380/anti-gliadin-antibodies-in-breast-milk-from-celiac-mothers-on-a-gluten-free-diet
#7
María Roca, Sabine Lisa Vriezinga, Paula Crespo-Escobar, Renata Auricchio, David Hervás, Gemma Castillejo, Maria Carmen Mena, Isabel Polanco, Riccardo Troncone, Maria Luisa Mearin, Carmen Ribes-Koninckx
PURPOSE: To analyze the presence of total IgA and anti-gliadin antibodies (AGA) in BM from CD mothers who follow a gluten-free diet (GFD) and from mothers on a normal gluten-containing diet (ND). METHODS: 218 samples of mature milk were obtained at different months of lactation (1-6) from 83 mothers (2 or more samples per mother) from Italy (Naples), The Netherlands (Leiden) and Spain (Madrid, Valencia and Reus): 42 CD mothers on GFD for more than 2 years and 41 non-CD mothers on a ND...
May 29, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28535873/similar-responses-of-intestinal-t-cells-from-untreated-children-and-adults-with-celiac-disease-to-deamidated-gluten-epitopes
#8
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
#9
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/28513748/development-of-stable-pickering-emulsions-oil-powders-and-pickering-hipes-stabilized-by-gliadin-chitosan-complex-particles
#10
D B Yuan, Y Q Hu, T Zeng, S W Yin, C H Tang, X Q Yang
In this paper, we demonstrate the use of gliadin/chitosan complex particles (GCCPs) as particulate stabilizers of oil-in-water emulsions of natural oils and water. For this purpose, we fabricated GCCPs through a facile anti-solvent procedure and demonstrated their usage in the formation of Pickering emulsions and Pickering high internal phase emulsions (HIPEs). The GCCPs can be used to produce surfactant-free o/w Pickering emulsions and Pickering HIPEs; unfortunately these emulsions were labile to coalescence...
May 17, 2017: Food & Function
https://www.readbyqxmd.com/read/28511837/immunomodulatory-activity-of-recombinant-%C3%AE-gliadin-conjugated-to-cholera-toxin-in-dq8-transgenic-mice
#11
Stefano Rossi, Diomira Luongo, Francesco Maurano, Paolo Bergamo, Mauro Rossi
Coeliac disease (CD) is characterized by an intestinal lesion sustained by an abnormal mucosal T-cell response to wheat gliadin. An immunological approach that is able to suppress this immune response is a perspective worth pursuing. Several strategies of antigen administration have been aimed at the downregulation of pathogenic T-cells. In particular, we previously reported a significant suppression of the systemic cell-mediated response toward wheat gliadin in DQ8 transgenic mice receiving nasally a recombinant α-gliadin...
May 13, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28505469/the-association-between-immune-markers-and-recent-suicide-attempts-in-patients-with-serious-mental-illness-a-pilot-study
#12
Faith Dickerson, Maria Adamos, Emily Katsafanas, Sunil Khushalani, Andrea Origoni, Christina Savage, Lucy Schweinfurth, Cassie Stallings, Kevin Sweeney, Armin Alaedini, Melanie Uhde, Emily Severance, Holly C Wilcox, Robert Yolken
Previous studies have identified elevations in markers of gastrointestinal inflammation in schizophrenia and mood disorders but studies have not measured the association between these markers and recent suicide attempts. We assessed 210 patients receiving treatment for schizophrenia, bipolar disorder, or major depression. We employed the Columbia Suicide Severity Rating Scale to identify recent and lifetime suicide attempts (actual, aborted, and interrupted). Psychiatric participants and a control group of 72 individuals without a psychiatric disorder had a blood sample drawn from which were measured specific markers of gastrointestinal inflammation and also C-Reactive protein (CRP)...
May 9, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28500039/selected-probiotic-lactobacilli-have-the-capacity-to-hydrolyze-gluten-peptides-during-simulated-gastro-intestinal-digestion
#13
Ruggiero Francavilla, Maria De Angelis, Carlo Giuseppe Rizzello, Noemi Cavallo, Fabio Dal Bello, Marco Gobbetti
The aim of this study was to demonstrate the capacity of probiotic lactobacilli to hydrolyze immunogenic gluten peptides. Eighteen commercial strains of probiotic lactobacilli with highly variable peptidase activity (i.e., aminopeptidase N, iminopeptidase, prolyl endopeptidyl peptidase, tripeptidase, prolidase, prolinase and dipeptidase), including towards Pro-rich peptides, were tested in this study. Ten probiotic strains were selected based on their specific enzyme activity. When pooled, these ten strains provide the peptidase portfolio that is required to completely degrade the immunogenic gluten peptides involved in celiac disease (CD)...
May 12, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28496327/anorexia-nervosa-of-the-restrictive-type-and-celiac-disease-in-adolescence
#14
Renata Nacinovich, Lucio Tremolizzo, Fabiola Corbetta, Elisa Conti, Francesca Neri, Monica Bomba
BACKGROUND: Anorexia nervosa (AN) is usually present in adolescence with symptoms partially overlapping celiac disease (CD), but the relationship between these two conditions has received little attention in the literature. The aim of this work was to explore this relationship, considering if CD could be associated with specific baseline AN-related clinical features. METHODS: In this retrospective study, 82 adolescent female out- and inpatients with AN of the restrictive type (ANr), according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition criteria, were recruited...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28489059/the-impact-of-diet-wheat-source-on-the-onset-of-type-1-diabetes-mellitus-lessons-learned-from-the-non-obese-diabetic-nod-mouse-model
#15
Jonathan Gorelick, Ludmila Yarmolinsky, Arie Budovsky, Boris Khalfin, Joshua D Klein, Yosi Pinchasov, Maxim A Bushuev, Tatiana Rudchenko, Shimon Ben-Shabat
Nutrition, especially wheat consumption, is a major factor involved in the onset of type 1 diabetes (T1D) and other autoimmune diseases such as celiac. While modern wheat cultivars possess similar gliadin proteins associated with the onset of celiac disease and T1D, alternative dietary wheat sources from Israeli landraces and native ancestral species may be lacking the epitopes linked with T1D, potentially reducing the incidence of T1D. The Non-Obese Diabetic (NOD) mouse model was used to monitor the effects of dietary wheat sources on the onset and development of T1D...
May 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28485731/differential-antibody-responses-to-gliadin-derived-indigestible-peptides-in-patients-with-schizophrenia
#16
R T McLean, P Wilson, D St Clair, C J Mustard, J Wei
Gluten consumption has previously been implicated in the development of schizophrenia while an immunological link between gluten and schizophrenia was established by the detection of circulating antibodies against gliadin, a major component of wheat gluten. Several studies have reported an increase in circulating antibodies against native gliadin molecules that are unlikely to survive degradation in the digestive system. In this study, therefore, we measured plasma immunoglobulin G (IgG) and IgA antibodies against indigestible gliadin-derived peptide antigens using an in-house enzyme-linked immunosorbent assay (ELISA) among 169 patients with schizophrenia and 236 control subjects...
May 9, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28481518/information-visualization-and-feature-selection-methods-applied-to-detect-gliadin-in-gluten-containing-foodstuff-with-a-microfluidic-electronic-tongue
#17
Cristiane M Daikuzono, Flavio M Shimizu, Alexandra Manzoli, Antonio Riul, Maria H O Piazzetta, Angelo L Gobbi, Daniel S Correa, Fernando V Paulovich, Osvaldo N Oliveira
The fast growth of celiac disease diagnosis has sparked the production of gluten-free food and the search for reliable methods to detect gluten in foodstuff. In this paper, we report on a microfluidic electronic tongue (e-tongue) capable of detecting trace amounts of gliadin, a protein of gluten, down to 0.005 mg kg(-1) in ethanol solutions, and distinguishing between gluten-free and gluten-containing foodstuff. In some cases, it is even possible to determine whether gluten-free foodstuff has been contaminated with gliadin...
May 31, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28479483/coffee-and-autoimmunity-more-than-a-mere-hot-beverage
#18
REVIEW
Kassem Sharif, Abdulla Watad, Nicola Luigi Bragazzi, Mohammad Adawi, Howard Amital, Yehuda Shoenfeld
Coffee is one of the world's most consumed beverage. In the last decades, coffee consumption has attracted a huge body of research due to its impact on health. Recent scientific evidences showed that coffee intake could be associated with decreased mortality from cardiovascular and neurological diseases, diabetes type II, as well as from endometrial and liver cancer, among others. In this review, on the basis of available data in the literature, we aimed to investigate the association between coffee intake and its influence on the immune system and the insurgence of the most relevant autoimmune diseases...
May 4, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28472326/novel-insights-into-the-effect-of-nitrogen-on-storage-protein-biosynthesis-and-protein-body-development-in-wheat-caryopsis
#19
Xurun Yu, Xinyu Chen, Leilei Wang, Yang Yang, Xiaowei Zhu, Shanshan Shao, Wenxue Cui, Fei Xiong
Molecular and cytological mechanisms concerning the effects of nitrogen on wheat (Triticum aestivum L.) storage protein biosynthesis and protein body development remain largely elusive. We used transcriptome sequencing, proteomics techniques, and light microscopy to investigate these issues. In total, 2585 differentially expressed genes (DEGs) and 57 differentially expressed proteins (DEPs) were found 7 days after anthesis (DAA), and 2456 DEGs and 64 DEPs were detected 18 DAA after nitrogen treatment. Gene ontology terms related to protein biosynthesis processes enriched these numbers by 678 and 582 DEGs at 7 and 18 DAA, respectively...
April 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28461188/validation-of-antibody-based-strategies-for-diagnosis-of-pediatric-celiac-disease-without-biopsy
#20
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
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