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https://www.readbyqxmd.com/read/27881938/are-interleukin-15-and-22-a-new-pathogenic-factor-in-pustular-palmoplantar-psoriasis
#1
Aleksandra Lesiak, Igor Bednarski, Marta Pałczyńska, Ewelina Kumiszcza, Marzena Kraska-Gacka, Anna Woźniacka, Joanna Narbutt
INTRODUCTION: Pustular palmoplantar psoriasis (PPP) is a rare type of psoriasis affecting mainly distal parts of the limbs. Despite numerous theories about etiology of PPP, the pathogenesis still remains unclear. Recent data indicate that interleukin (IL)-15, IL-17 and IL-22 enhance a proinflammatory response in certain skin inflammatory diseases such as psoriasis and atopic dermatitis. There is also evidence that anti-endomysial (anti-EMA) and anti-gliadin (AGA) antibodies are engaged in PPP development...
October 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27878833/presence-of-intraepithelial-food-antigen-in-patients-with-active-eosinophilic-oesophagitis
#2
E V Marietta, D M Geno, T C Smyrk, A Becker, J A Alexander, M Camilleri, J A Murray, D A Katzka
BACKGROUND: Although eosinophilic oesophagitis (EoE) is putatively mediated by an abnormal response to food antigen, the oesophagus is considered relatively impermeable to large molecules. AIM: To assess whether food antigens penetrate the oesophageal mucosa in patients with EoE. METHODS: Anti-gliadin staining was performed in three groups: active EoE, inactive EoE and EoE patients on a low or gluten free diet. To appraise the specificity of our results, we also performed gliadin staining on six patients without oesophageal disease who were consuming gluten...
November 22, 2016: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27847281/identification-of-pediatric-patients-with-celiac-disease-based-on-serology-and-a-classification-and-regression-tree-analysis
#3
Anna Ermarth, Matthew Bryce, Stephanie Woodward, Gregory Stoddard, Linda Book, M Kyle Jensen
BACKGROUND & AIMS: Celiac disease is detected using serology and endoscopy analyses. We used multiple statistical analyses of a geographically isolated population in the United States to determine whether a single serum screening can identify individuals with celiac disease. METHODS: We performed a retrospective study of 3555 pediatric patients (18 years old or younger) in the intermountain West region of the United States from January 1, 2008 through September 30, 2013...
November 12, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27845509/anti-gliadin-antibodies-in-ncgs
#4
Maria Infantino, Francesca Meacci, Valentina Grossi, Donatella Macchia, Mariangela Manfredi
Although no biomarker has been identified to date, previous studies have reported that about 50% of patients with suspected Non Celiac Gluten Sensitivity (NCGS) had positive first generation anti- gliadin antibodies (AGAs), expecially of the IgG class. These antibodies are not specific for NCGS, being also found in CD (80-90%), autoimmune liver disorders (21.5%), connective tissue disease (9%) and IBS (20%), as well as in healthy controls (2-8%), but their finding in patients with a clinical phenotype consistent with NCGS has been regarded as an element supporting this diagnosis...
November 15, 2016: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/27833723/the-frequency-distribution-of-celiac-autoantibodies-in-alopecia-areata
#5
Fatemeh Mokhtari, Tayebeh Panjehpour, Farahnaz Fatemi Naeini, Sayed Mohsen Hosseini, Mohammad Ali Nilforoushzadeh, Marzieh Matin
BACKGROUND: Alopecia areata (AA) is a noncicatricial (nonscarring) alopecia. The association between AA and celiac disease (CD) is debatable. Several studies declare the relationship between AA and CD as measurement of celiac autoantibodies (anti-gliadin IgA and anti-gliadin IgG), but a few studies consider anti-tissue transglutaminase IgA. The aim of this study was to evaluate the frequency distribution of celiac autoantibodies (all of them) in patients with AA compared with controls...
2016: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27822074/diagnosis-of-exercise-induced-anaphylaxis-current-insights
#6
REVIEW
Valerio Pravettoni, Cristoforo Incorvaia
Exercise-induced anaphylaxis (EIAn) is defined as the occurrence of anaphylactic symptoms (skin, respiratory, gastrointestinal, and cardiovascular symptoms) after physical activity. In about a third of cases, cofactors, such as food intake, temperature (warm or cold), and drugs (especially nonsteroidal anti-inflammatory drugs) can be identified. When the associated cofactor is food ingestion, the correct diagnosis is food-dependent EIAn (FDEIAn). The literature describes numerous reports of FDEIAn after intake of very different foods, from vegetables and nuts to meats and seafood...
2016: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/27796452/development-and-optimisation-of-a-generic-micro-lc-esi-ms-method-for-the-qualitative-and-quantitative-determination-of-30-mer-toxic-gliadin-peptides-in-wheat-flour-for-food-analysis
#7
Bilgin Vatansever, Amalia Muñoz, Christoph L Klein, Knut Reinert
We sometimes see manufactured bakery products on the market which are labelled as being gluten free. Why is the content of such gluten proteins of importance for the fabrication of bakery industry and for the products? The gluten proteins represent up to 80 % of wheat proteins, and they are conventionally subdivided into gliadins and glutenins. Gliadins belong to the proline and glutamine-rich prolamin family. Its role in human gluten intolerance, as a consequence of its harmful effects, is well documented in the scientific literature...
October 28, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27795959/large-gliadin-peptides-detected-in-the-pancreas-of-nod-and-healthy-mice-following-oral-administration
#8
Susanne W Bruun, Knud Josefsen, Julia T Tanassi, Aleš Marek, Martin H F Pedersen, Ulrik Sidenius, Martin Haupt-Jorgensen, Julie C Antvorskov, Jesper Larsen, Niels H Heegaard, Karsten Buschard
Gluten promotes type 1 diabetes in nonobese diabetic (NOD) mice and likely also in humans. In NOD mice and in non-diabetes-prone mice, it induces inflammation in the pancreatic lymph nodes, suggesting that gluten can initiate inflammation locally. Further, gliadin fragments stimulate insulin secretion from beta cells directly. We hypothesized that gluten fragments may cross the intestinal barrier to be distributed to organs other than the gut. If present in pancreas, gliadin could interact directly with the immune system and the beta cells to initiate diabetes development...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27787921/amelogenin-specific-iga-and-igg-in-children-with-untreated-coeliac-disease
#9
Sanja Petronijevic, Solveig Stig, Jian Gao, Trond S Halstensen
Children with untreated coeliac disease (CD) may develop enamel defects. Moreover, children with untreated CD have increased serum levels of gliadin reactive IgG, which may cross-react to amelogenin. The aim of this study was to investigate reactivity of anti-gliadin IgA and IgG to amelogenin in children with untreated CD. Blood samples from patients with CD (n = 75) and from disease controls (n = 24) were analysed for IgA and IgG reactivities to amelogenin (Emdogain) and to gliadin by ELISA. Whereas children with CD had statistically significantly higher serum levels of anti-amelogenin IgA, only those with the most severe CD (Marsh 3c) had significantly higher anti-amelogenin IgG immune reactivity than the disease controls...
December 2016: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/27784930/microstructural-thermal-and-ir-spectroscopy-characterisation-of-wheat-gluten-and-its-sub-fractions
#10
Vandana Dhaka, B S Khatkar
The gluten and its sub-fractions of good and poor bread quality wheat varieties were studied using scanning electron microscopy, differential scanning calorimetry (DSC) and IR spectroscopy techniques. The gluten of good bread quality wheat variety showed organized foam like matrix, whereas that of poor demonstrated an open gluten matrix. The glutenin of good bread quality wheat (HI 977) exhibited a more striated, organised texture in contrast to a dense, unorganised structure visible in C306. Gliadins of poor bread quality wheat were self-assembled to form a sheet like structure, whereas the gliadin proteins of good bread quality wheat variety showed more open microstructure...
August 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/27784836/a-presumptive-case-of-gluten-sensitivity-in-a-border-terrier-a-multisystem-disorder
#11
M Lowrie, M Hadjivassiliou, D S Sanders, O A Garden
Paroxysmal gluten-sensitive dyskinesia (previously termed canine epileptoid cramping syndrome) is a condition of Border terriers in which the leading manifestation is neurological. The authors describe a case they believe to represent the first report of a Border terrier with a combination of neurological signs, atopy, positive serological results for anti-transglutaminase 2 (TG2 IgA) and anti-gliadin (AGA IgG) antibodies, and signs suggestive of gastrointestinal disease with pathological changes in the gastrointestinal tract-seemingly responsive to a gluten-free diet...
October 26, 2016: Veterinary Record
https://www.readbyqxmd.com/read/27782071/effect-of-bifidobacterium-breve-on-the-intestinal-microbiota-of-coeliac-children-on-a-gluten-free-diet-a-pilot-study
#12
Andrea Quagliariello, Irene Aloisio, Nicole Bozzi Cionci, Donata Luiselli, Giuseppe D'Auria, Llúcia Martinez-Priego, David Pérez-Villarroya, Tomaž Langerholc, Maša Primec, Dušanka Mičetić-Turk, Diana Di Gioia
Coeliac disease (CD) is associated with alterations of the intestinal microbiota. Although several Bifidobacterium strains showed anti-inflammatory activity and prevention of toxic gliadin peptides generation in vitro, few data are available on their efficacy when administered to CD subjects. This study evaluated the effect of administration for three months of a food supplement based on two Bifidobacterium breve strains (B632 and BR03) to restore the gut microbial balance in coeliac children on a gluten free diet (GFD)...
October 22, 2016: Nutrients
https://www.readbyqxmd.com/read/27741160/the-interaction-between-celiac-disease-and-intestinal-microbiota
#13
Giuseppe Losurdo, Mariabeatrice Principi, Andrea Iannone, Enzo Ierardi, Alfredo Di Leo
Celiac disease (CD) is the most common autoimmune enteropathy, triggered by a deregulated immune response to gliadin. It has been hypothesized that human intestinal microbiota may interfere with the pathogenesis of the disease and in the clinical course of CD. In the present review, we analyzed the microbiota alterations observed in the course of CD, how they may influence the pathogenesis of CD, and the possible applications for a microbiota modulation in CD. In detail, most of the current literature underlined that the dysbiosis in CD is hallmarked by an increase in gram-negative and Bacteroidetes species, and by a decrease in Bifidobacteria and Lactobacilli...
November 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27729985/alcohol-related-cerebellar-degeneration-not-all-down-to-toxicity
#14
Priya D Shanmugarajah, Nigel Hoggard, Stuart Currie, Daniel P Aeschlimann, Pascale C Aeschlimann, Dermot C Gleeson, Mohammed Karajeh, Nicola Woodroofe, Richard A Grünewald, Marios Hadjivassiliou
BACKGROUND: Alcohol-related cerebellar degeneration is one of the commonest acquired forms of cerebellar ataxia. The exact pathogenic mechanisms by which alcohol leads to cerebellar damage remain unknown. Possible autoreactive immune mediated mechanisms have not been explored previously. In this study, we aim to investigate the potential role of alcohol-induced immune mediated cerebellar degeneration. METHODS: Patients with ataxia and a history of alcohol misuse were recruited from the Ataxia and Hepatology tertiary clinics at Sheffield Teaching Hospitals NHS Trust...
2016: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/27716120/erratum-to-pre-endoscopy-point-of-care-test-simtomax-iga-igg-deamidated-gliadin-peptide-for-coeliac-disease-in-iron-deficiency-anaemia-diagnostic-accuracy-and-a-cost-saving-economic-model
#15
Michelle Shui Yee Lau, Peter D Mooney, William L White, Victoria Appleby, Sulleman Moreea, Ismail Haythem, Joshua E Elias, Kiran Bundhoo, Gareth D Corbett, Liam Wong, Her Hsin Tsai, Simon S Cross, John M Hebden, Sami Hoque, David S Sanders
No abstract text is available yet for this article.
October 5, 2016: BMC Gastroenterology
https://www.readbyqxmd.com/read/27713973/effects-of-enzyme-activities-during-steeping-and-sprouting-on-the-solubility-and-composition-of-proteins-their-bioactivity-and-relationship-with-the-bread-making-quality-of-wheat-flour
#16
Slađana Žilić, Marijana Janković, Miroljub Barać, Mirjana Pešić, Aleksandra Konić-Ristić, Vesna Hadži-Tašković Šukalović
The aim was to determine the effect of steeping and sprouting on wheat grain proteins and the functional consequences in this regard. The solubility of proteins and the polypeptide composition of albumins, globulins, gliadins and glutenins were determined, as well as the content of non-protein nitrogen and free sulfhydryl groups (-SH), and the activity of peroxidase (POD) and lipoxygenase (LOX). In addition, the pasting viscosity of flour and protein bioactivity such as antioxidant capacity and immunoreactivity were evaluated...
October 12, 2016: Food & Function
https://www.readbyqxmd.com/read/27708424/aromatic-and-proteomic-analyses-corroborate-the-distinction-between-mediterranean-landraces-and-modern-varieties-of-durum-wheat
#17
Federico Vita, Cosimo Taiti, Antonio Pompeiano, Zuguang Gu, Emilio Lo Presti, Larisa Whitney, Michele Monti, Giuseppe Di Miceli, Dario Giambalvo, Paolo Ruisi, Lorenzo Guglielminetti, Stefano Mancuso
In this paper volatile organic compounds (VOCs) from durum wheat cultivars and landraces were analyzed using PTR-TOF-MS. The aim was to characterize the VOC's profile of the wholemeal flour and of the kernel to find out if any VOCs were specific to varieties and sample matrices. The VOC data is accompanied by SDS-PAGE analyses of the storage proteins (gliadins and glutenins). Statistical analyses was carried out both on the signals obtained by MS and on the protein profiles. The difference between the VOC profile of two cultivars or two preparations of the same sample - matrices, in this case kernel vs wholemeal flour - can be very subtle; the high resolution of PTR-TOF-MS - down to levels as low as pptv - made it possible to recognize these differences...
October 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27699491/involvement-of-cell-surface-tg2-in-the-aggregation-of-k562-cells-triggered-by-gluten
#18
G Feriotto, R Calza, C M Bergamini, M Griffin, Z Wang, S Beninati, V Ferretti, E Marzola, R Guerrini, A Pagnoni, A Cavazzini, F Casciano, C Mischiati
Gluten-induced aggregation of K562 cells represents an in vitro model reproducing the early steps occurring in the small bowel of celiac patients exposed to gliadin. Despite the clear involvement of TG2 in the activation of the antigen-presenting cells, it is not yet clear in which compartment it occurs. Herein we study the calcium-dependent aggregation of these cells, using either cell-permeable or cell-impermeable TG2 inhibitors. Gluten induces efficient aggregation when calcium is absent in the extracellular environment, while TG2 inhibitors do not restore the full aggregating potential of gluten in the presence of calcium...
October 3, 2016: Amino Acids
https://www.readbyqxmd.com/read/27664670/protein-transitions-in-and-out-of-the-dough-matrix-in-wheat-flour-mixing
#19
Xiaolong Wang, Rudi Appels, Xiaoke Zhang, Ferenc Bekes, Kitti Torok, Sandor Tomoskozi, Dean Diepeveen, Wujun Ma, Shahidul Islam
Sequential protein behavior in the wheat dough matrix under continuous mixing and heating treatment has been studied using Mixolab-dough samples from two Australian wheat cultivars, Westonia and Wyalkatchem. Size exclusion high performance liquid chromatography (SE-HPLC) and two-dimensional gel electrophoresis (2-DGE) analysis indicated that 32min (80°C) was a critical time point in forming large protein complexes and loosing extractability of several protein groups like y-type high molecular weight glutenin subunits (HMW-GSs), gamma-gliadins, beta-amylases, serpins, and metabolic proteins with higher mass...
February 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27659035/coeliac-disease-immunogenicity-studies-of-barley-hordein-and-rye-secalin-derived-peptides
#20
Widya A Wahab, Tanja Šuligoj, Julia Ellis, Beatriz Côrtez-Real, Paul J Ciclitira
Coeliac disease (CD) is an inflammatory disorder of the small intestine. It includes aberrant adaptive immunity with presentation of CD toxic gluten peptides by HLA-DQ2 or DQ8 molecules to gluten-sensitive T cells. A ω-gliadin/C-hordein peptide (QPFPQPEQPFPW) and a rye-derived secalin peptide (QPFPQPQQPIPQ) were proposed to be toxic in CD, as they yielded positive responses when assessed with peripheral blood T-cell clones derived from individuals with CD. We sought to assess the immunogenicity of the candidate peptides using gluten-sensitive T-cell lines obtained from CD small intestinal biopsies...
August 2016: International Journal of Experimental Pathology
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