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https://www.readbyqxmd.com/read/28443584/is-the-diagnosis-of-celiac-disease-possible-without-intestinal-biopsy
#1
Maha Shomaf, Mohammad Rashid, Dana Faydi, Ahmad Halawa
BACKGROUND: Celiac disease, is defined as a state of immune mediated hyper responsiveness to dietary gluten as wheat, barley, or rye in genetically predisposed individuals, resulting in tissue damage. It affects approximately 1% of populations worldwide. The diagnosis is done by microscopic examination of small intestinal biopsy, although serologic testing for antibodies against tissue transglutaminase (tTG) and deamidated gliadin peptide can be of great advantage. It has been suggested that duodenal biopsy can be avoided in patients with high levels of tTG antibody since a relationship was found to be present between tTG antibody titers and celiac disease...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28420279/responses-of-blood-mononucleated-cells-and-clinical-outcome-of-non-celiac-gluten-sensitive-pediatric-patients-to-various-cereal-sources-a-pilot-study
#2
Patrizia Alvisi, Luigia De Fazio, Maria Chiara Valerii, Elena Cavazza, Angela Salerno, Doriana Lacorte, Giovanni Dinelli, Enzo Spisni
Non-celiac gluten sensitivity (NCGS) is a clinical entity recently documented by the scientific community in pediatric patients. Nevertheless, its triggering mechanisms remain largely unsettled. We studied 11 children with NCGS who were diagnosed based on a clear-cut relationship between wheat consumption and development of symptoms, after excluding celiac disease (CD) and wheat allergy, matched with 18 children with active CD. Sixteen pediatric patients were also enrolled as controls. Cultured peripheral blood mononucleated cells (PBMCs) obtained from NCGS, CD and control patients were cultured in the presence of wheat proteins extracted from ancient and modern cultivars...
April 19, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28396623/modified-mediterranean-diet-for-enrichment-of-short-chain-fatty-acids-potential-adjunctive-therapeutic-to-target-immune-and-metabolic-dysfunction-in-schizophrenia
#3
Jamie Joseph, Colin Depp, Pei-An B Shih, Kristen S Cadenhead, Geert Schmid-Schönbein
Growing interest in gut and digestive processes and their potential link to brain and peripheral based inflammation or biobehavioral phenotypes has led to an increasing number of basic and translational scientific reports focused on the role of gut microbiota within the context of neuropsychiatric disorders. However, the effect of dietary modification on specific gut metabolites, in association with immune, metabolic, and psychopathological functioning in schizophrenia spectrum disorders has not been well characterized...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28395821/interactions-between-soluble-dietary-fibers-and-wheat-gluten-in-dough-studied-by-confocal-laser-scanning-microscopy
#4
Qian Li, Rui Liu, Tao Wu, Min Zhang
Four soluble dietary fiber (SDF) fractions characterized by major components of AXs, relatively narrow molecular weight distribution, different substituted ratio, and structure-sensitive parameter (ρ) were prepared from wheat bran. The fractions were added to wheat dough to determine the interactions between the dough's network and the SDF fractions relative to their physicochemical characteristics. Furthermore, a comprehensive study focusing on the dough texture characteristic, tensile properties, thermodynamic stability, and the microstructure was conducted by performing texture profile analysis (TPA), differential scanning calorimetry (DSC), and confocal laser scanning microscopy (CLSM) experiments...
May 2017: Food Research International
https://www.readbyqxmd.com/read/28393829/-neurological-disorders-associated-with-gluten-sensitivity
#5
D A Degterev, I V Damulin, A I Parfenov
The review considers the pathogenetic, clinical, and therapeutic aspects of neurological disorders associated with gluten sensitivity. Gluten ataxia and polyneuropathy are most common. The clinical features of neurological disorders in patients with gluten sensitivity and the effects of a gluten-free diet are described.
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28390579/celiac-disease-and-nonceliac-gluten-sensitivity
#6
Chongwei Cui, Tyler Basen, Ami Thakor Philipp, Joseph Yusin, Guha Krishnaswamy
No abstract text is available yet for this article.
April 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28365444/persistence-of-non-celiac-wheat-sensitivity-based-on-long-term-follow-up
#7
Antonio Carroccio, Alberto D'Alcamo, Giuseppe Iacono, Maurizio Soresi, Rosario Iacobucci, Andrea Arini, Girolamo Geraci, Francesca Fayer, Francesca Cavataio, Francesco La Blasca, Ada M Florena, Pasquale Mansueto
We investigated how many patients with a diagnosis of non-celiac wheat sensitivity (NCWS) still experienced wheat sensitivity after a median follow-up time of 99 months. We collected data from 200 participants from a previous study of NCWS, performed between July and December 2016 in Italy;148 of these individuals were still on a strict wheat-free diet. In total, 175 patients (88%) improved (had fewer symptoms) after a diagnosis of NCWS; 145 of 148 patients who adhered strictly to a gluten-free diet (98%) had reduced symptoms, compared to 30 of 52 patients who did not adhere to a gluten-free diet (58%) (P<...
March 29, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28350935/screening-for-celiac-disease-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#8
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/28350893/celiac-disease-and-nonceliac-gluten-or-wheat-sensitivity-the-risks-and-benefits-of-diagnosis
#9
Nicholas J Talley, Marjorie M Walker
No abstract text is available yet for this article.
March 28, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28293318/gluten-sensitivity-among-egyptian-infants-with-congenital-heart-disease
#10
Inas R El-Alameey, Hanaa H Ahmed, Sawsan M Tawfik, Fawzia Hassaballa, Ayman M Abdel Gawad, Eman Eltahlawy
BACKGROUND: Gastrointestinal symptoms are a common feature in infants with congenital heart disease. AIM: This study was designed to evaluate age-dependent serum levels of antigliadin antibodies among malnourished Egyptian infants with congenital heart disease (CHD) and gastrointestinal symptoms. SUBJECTS AND METHODS: This case-control study conducted on 60 infants with established congenital heart disease. They were subdivided into cyanotic and acyanotic groups, and each group includes 30 patients compared with thirty apparently healthy infants of matched age, sex, and social class...
March 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28285530/comparison-of-gluten-extraction-protocols-assessed-by-lc-ms-ms-analysis
#11
Azadeh Fallahbaghery, Wei Zou, Keren Byrne, Crispin A Howitt, Michelle L Colgrave
The efficiency of gluten extraction is of critical importance to the results derived from any analytical method for gluten detection and quantitation, whether it employs reagent-based technology (antibodies) or analytical instrumentation (mass spectrometry). If the target proteins are not efficiently extracted, the end result will be an under-estimation in the gluten content posing a health risk to people affected by conditions such as celiac disease (CD) and nonceliac gluten sensitivity (NCGS). Five different extraction protocols were investigated using LC-MRM-MS for their ability to efficiently and reproducibly extract gluten...
March 27, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28274420/evolution-of-volatile-compounds-in-gluten-free-bread-from-dough-to-crumb
#12
Joana Pico, Mario M Martínez, José Bernal, Manuel Gómez
Understanding the evolution of volatile compounds from dough to crumb is necessary in order to improve the weak aroma of gluten-free breads. Additionally, sensitive analytical methods are required to detect small changes. In the present study, a solvent extraction method combined with GC/MS was selected to examine the evolution of 31 principal volatile compounds from the beginning of fermentation to the end of baking in maize starch bread. During fermentation, only hexanal, hexanoic acid, benzaldehyde, benzyl alcohol, furfural and furfuryl alcohol remained constant whereas the rest became more abundant...
July 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28273770/transglutaminase-6-is-an-autoantigen-in-progressive-multiple-sclerosis-and-is-upregulated-in-reactive-astrocytes
#13
Massimiliano Cristofanilli, Daniel Gratch, Benjamin Pagano, Kelsey McDermott, Jessie Huang, Jeffrey Jian, Deneb Bates, Saud A Sadiq
BACKGROUND: Transglutaminase-6 (TGM6), a member of the transglutaminase enzyme family, is found predominantly in central nervous system (CNS) neurons under physiological conditions. It has been proposed as an autoimmune target in cerebral palsy, gluten-sensitive cerebellar ataxia, and schizophrenia. OBJECTIVE: To investigate TGM6 involvement in multiple sclerosis (MS). METHODS: Antibody levels against TGM6 (TGM6-IgG) were measured in the cerebrospinal fluid (CSF) of 62 primary progressive multiple sclerosis (PPMS), 85 secondary progressive multiple sclerosis (SPMS), and 50 relapsing-remitting multiple sclerosis (RRMS) patients and 51 controls...
December 1, 2016: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28264483/evolutionary%C3%A2-developments%C3%A2-in%C3%A2-interpreting%C3%A2-the%C3%A2-gluten-induced%C3%A2-mucosal%C3%A2-celiac%C3%A2-lesion-%C3%A2-an%C3%A2-archimedian%C3%A2-heuristic
#14
REVIEW
Michael N Marsh, Calvin J Heal
The evolving history of the small intestinal biopsy and its interpretation-and misinterpretations-are described in this paper. Certain interpretative errors in the technical approaches to histological assessment are highlighted-even though we may never be rid of them. For example, mucosal "flattening" does not reduce individual villi to their cores, as still seems to be widely believed. Neither is the mucosa undergoing an atrophic process-since it can recover structurally. Rather, the intestinal mucosa manifests a vast hypertrophic response resulting in the formation of large plateaus formed from partially reduced villi and their amalgamation with the now increased height and width of the inter-villous ridges: this is associated with considerable increases in crypt volumes...
February 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28244667/non-coeliac-gluten-sensitivity
#15
REVIEW
Peter R Gibson, Gry I Skodje, Knut E A Lundin
Irritable bowel syndrome-like symptoms in response to wheat ingestion is common and well described, but whether the reaction is due to gluten (i.e., non-coeliac gluten sensitivity), other wheat proteins, or FODMAPs (mostly fructans) alone or in combinations has not been clearly defined. Exclusion of coeliac disease in the presence of negative serology, and normal villous architecture but increased density of intraepithelial lymphocytes on duodenal biopsies, is difficult. Furthermore, the confidence by which a positive diagnosis is made or non-coeliac gluten sensitivity is excluded by blinded placebo-controlled rechallenge with wheat protein is reduced by strong nocebo responses generally found in patients with self-reported non-coeliac gluten sensitivity...
March 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28243563/comparison-of-four-functionalization-methods-of-gold-nanoparticles-for-enhancing-the-enzyme-linked-immunosorbent-assay-elisa
#16
Paula Ciaurriz, Fátima Fernández, Edurne Tellechea, Jose F Moran, Aaron C Asensio
The enzyme-linked immunosorbent assay (ELISA) technique is based on the specific recognition ability of the molecular structure of an antigen (epitope) by an antibody and is likely the most important diagnostic technique used today in bioscience. With this methodology, it is possible to diagnose illness, allergies, alimentary fraud, and even to detect small molecules such as toxins, pesticides, heavy metals, etc. For this reason, any procedures that improve the detection limit, sensitivity or reduce the analysis time could have an important impact in several fields...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28234993/isolation-and-characterization-of-gluten-protein-types-from-wheat-rye-barley-and-oats-for-use-as-reference-materials
#17
Kathrin Schalk, Barbara Lexhaller, Peter Koehler, Katharina Anne Scherf
Gluten proteins from wheat, rye, barley and, in rare cases, oats, are responsible for triggering hypersensitivity reactions such as celiac disease, non-celiac gluten sensitivity and wheat allergy. Well-defined reference materials (RM) are essential for clinical studies, diagnostics, elucidation of disease mechanisms and food analyses to ensure the safety of gluten-free foods. Various RM are currently used, but a thorough characterization of the gluten source, content and composition is often missing. However, this characterization is essential due to the complexity and heterogeneity of gluten to avoid ambiguous results caused by differences in the RM used...
2017: PloS One
https://www.readbyqxmd.com/read/28231144/effects-of-two-step-transamidation-of-wheat-semolina-on-the-technological-properties-of-gluten
#18
Salvatore Moscaritolo, Lucia Treppiccione, Antonio Ottombrino, Mauro Rossi
Celiac disease (CD) is an immune-mediated disorder caused by the ingestion of wheat gluten. A lifelong, gluten-free diet is required to alleviate symptoms and to normalize the intestinal mucosa. We previously found that transamidation reaction by microbial transglutaminase (mTG) was effective in down-regulating the gliadin-specific immune response in CD patients. In this study, the two-step transamidation protocol was adopted to treat commercial wheat semolina on a pilot scale. The effectiveness of the enzymatic reaction was tested by means of consolidated biochemical and immunological methods on isolated prolamins...
June 29, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28216964/intraepithelial-lymphocytes-scores-mimickers-and-challenges-in-diagnosing-gluten-sensitive-enteropathy-celiac-disease
#19
REVIEW
Consolato Sergi, Fan Shen, Gerd Bouma
The upper digestive tract is routinely scoped for several causes of malabsorption, and the number of duodenal biopsy specimens has increased notably in the last 10 years. Gluten-sensitive enteropathy (GSE) is an autoimmune disease, which shows an increasing prevalence worldwide and requires a joint clinico-pathological approach. The classical histopathology of GSE with partial or total villous blunting is well recognized, but the classification of GSE is not straightforward. Moreover, several mimickers of GSE with intraepithelial lymphocytosis have been identified in the last 20 years, with drug interactions and medical comorbidities adding to the conundrum...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28208686/identification-of-autophagy-related-genes-and-their-regulatory-mirnas-associated-with-celiac-disease-in-children
#20
Sergio Comincini, Federico Manai, Cristina Meazza, Sara Pagani, Carolina Martinelli, Noemi Pasqua, Gloria Pelizzo, Marco Biggiogera, Mauro Bozzola
Celiac disease (CD) is a severe genetic autoimmune disorder, affecting about one in 100 people, where the ingestion of gluten leads to damage in the small intestine. Diagnosing CD is quite complex and requires blood tests and intestinal biopsy examinations. Controversy exists regarding making the diagnosis without biopsy, due to the large spectrum of manifesting symptoms; furthermore, small-intestinal gastroscopy examinations have a relatively complex management in the pediatric population. To identify novel molecular markers useful to increase the sensitivity and specificity in the diagnosis of pediatric CD patients, the expression levels of two key autophagy executor genes (ATG7 and BECN1) and their regulatory validated miRNAs (miR-17 and miR-30a, respectively) were analyzed by relative quantitative real-time-PCR on a cohort of confirmed CD patients compared to age-related controls...
February 12, 2017: International Journal of Molecular Sciences
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