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Gluten tolerance

Giuseppe A Mazza, Luisa Pedrelli, Elisabetta Battaglia, Laura Giancotti, Roberto Miniero
BACKGROUND: Celiac disease (CD) is an immunologically-mediated enteropathy resulting in small-bowel mucosal villous atrophy with crypt hyperplasia. Iron malabsorption is usually observed in CD. Only few studies investigated oral iron absorption in subjects with gastrointestinal diseases and Iron Deficiency Anemia (IDA), using the oral iron absorption test (OIAT). We considered useful to investigate the OIAT, using Ferrous Bisglycinate Chelate (FBC), in patients with CD at diagnosis or on Gluten Free Diet (GFD) from at least 1 year...
November 10, 2016: Minerva Pediatrica
(no author information available yet)
The season in which you were born and even your place of birth could affect your risk of developing childhood coeliac disease.
September 7, 2016: Nursing Standard
Francesco Esposito, Evelina Fasano, Gelsomina Scognamiglio, Antonio Nardone, Maria Triassi, Teresa Cirillo
Fumonisins are mycotoxins produced by Fusarium species and affecting maize crops. Some analogues of fumonisins are known for their toxic and possible carcinogenic effects on humans and animals. Because of their occurrence in corn-based food, diet is the main source of exposure to these mycotoxins, especially among people affected by celiac disease. Hence, the purpose of this paper was to evaluate the amount of fumonisins B1, B2 and B3 in maize-based products and to assess the exposure of people affected by celiac disease to fumonisins...
November 2016: Food and Chemical Toxicology
Katharina Anne Scherf, Herbert Wieser, Peter Koehler
Purified wheat starch (WSt) is commonly used in gluten-free products for celiac disease (CD) patients. It is mostly well-tolerated, but doubts about its safety for CD patients persist. One reason may be that most ELISA kits primarily recognize the alcohol-soluble gliadin fraction of gluten, but insufficiently target the alcohol-insoluble glutenin fraction. To address this problem, a new sensitive method based on the sequential extraction of gliadins, glutenins, and gluten from WSt followed by gel-permeation high-performance liquid chromatography with fluorescence detection (GP-HPLC-FLD) was developed...
October 12, 2016: Journal of Agricultural and Food Chemistry
Sara Karlin, Ellen Karlin, Timothy Meiller, Nasir Bashirelahi
Celiac disease (CD) is the world's most common genetic food intolerance disorder. Children with celiac disease cannot tolerate gluten, a storage protein in wheat, rye, and barley. The first recognizable symptom in children is often an oral manifestation, rather than the typical gastrointestinal symptoms. The purpose of this paper is to review the oral and dental manifestations of CD to help pediatric dentists identify and refer atypically symptomatic patients to their pediatricians.
2016: Journal of Dentistry for Children
Audrey L Girard, M Elena Castell-Perez, Scott R Bean, Sherry L Adrianos, Joseph M Awika
Proanthocyanidins (PA) cross-link proteins and could expand wheat gluten functionality; however, how the PA MW or gluten profile affect these interactions is unknown. Effect of PA MW profile (sorghum versus grape seed PA) on dough rheology of high versus low insoluble polymeric protein (IPP) wheat flour was evaluated using mixograph, large (TA.XT2i) and small (HAAKE Rheostress 6000) deformation rheometry. Sorghum PA (93% polymeric) more effectively (p < 0.05) strengthened both glutens than grape seed PA (45% polymeric), without reducing gluten extensibility...
October 5, 2016: Journal of Agricultural and Food Chemistry
M A van Leeuwen, L M M Costes, L A van Berkel, Y Simons-Oosterhuis, M F du Pré, A E Kozijn, H C Raatgeep, D J Lindenbergh-Kortleve, N van Rooijen, F Koning, J N Samsom
Celiac disease is caused by inflammatory T-cell responses against the insoluble dietary protein gliadin. We have shown that, in humanized mice, oral tolerance to deamidated chymotrypsin-digested gliadin (CT-TG2-gliadin) is driven by tolerogenic interferon (IFN)-γ- and interleukin (IL)-10-secreting type 1 regulatory T-like cells (Tr1-like cells) generated in the spleen but not in the mesenteric lymph nodes. We aimed to uncover the mechanisms underlying gliadin-specific Tr1-like-cell differentiation and hypothesized that proteolytic gliadin degradation by splenic macrophages is a decisive step in this process...
August 31, 2016: Mucosal Immunology
Mahmoud Slim, Elena P Calandre, Juan M Garcia-Leiva, Fernando Rico-Villademoros, Rocio Molina-Barea, Carmen M Rodriguez-Lopez, Piedad Morillas-Arques
BACKGROUND AND AIMS: Patients with fibromyalgia frequently present with symptoms similar to those experienced by patients with gluten-related disorders, raising the possibility that a subgroup of these patients could be experiencing underlying gluten sensitivity. This study aimed to evaluate the effects of a gluten-free diet (GFD) compared with a hypocaloric diet (HCD) among patients with fibromyalgia. METHODS: Adult patients diagnosed with fibromyalgia were randomly allocated to receive a GFD or a HCD over a 24-week period...
August 19, 2016: Journal of Clinical Gastroenterology
Habteab M Ghebrehiwot, Hussein A Shimelis, Kevin P Kirkman, Mark D Laing, Tafadzwanashe Mabhaudhi
Injera is a fermented, sour bread consumed as a staple food in Eritrea and Ethiopia. The bread can be prepared from various cereals but tef [Eragrostis tef (Zucc.) Trotter] is the most preferred ingredient. This study assessed the acceptability of injera prepared using grains of a closely related but underutilized grass, Eragrostis curvula (Schrad.) Nees. The nutritive value of the grains was compared and the sensory attributes of injera made from flours of tef (control) and E. curvula, each combined with 0, 5, and 10% of sorghum flour, were assessed using a tasting panel...
2016: Frontiers in Plant Science
Gloria Serena, Maureen M Leonard, Stephanie Camhi, Tania B Huedo-Medina, Alessio Fasano
Over recent years we have seen rising many clinical and scientific innovations about celiac disease (CE), however the most important innovation that will contribute to change the future of the research and clinic in this field is the natural history of the disease. For many years it has been though that a genetic predisposition and the exposure to gluten were necessary and sufficient to develop CE. Recent studies, however, suggest that the loss of tolerance to gluten may occur in any moment of life upon certain conditions...
June 2016: Recenti Progressi in Medicina
Jan Tack, Tim Vanuytsel, Maura Corsetti
In the treatment of irritable bowel syndrome (IBS), loperamide seems efficacious for diarrhea and ispaghula for constipation, while musculotropic spasmolytics may relieve abdominal pain. Antidepressants were found to be efficacious for abdominal pain, but their tolerance may be problematic and the therapeutic effect varied largely between trials. While meta-analyses suggest efficacy of probiotics as a group, the quality of the trials is often suboptimal and there is large variability. Lubiprostone, a chloride channel activator, and linaclotide, a guanylyl cyclase-C agonist, showed favorable effects on multiple symptoms in IBS with constipation...
2016: Digestive Diseases
Martina Foschia, Stefan Horstmann, Elke K Arendt, Emanuele Zannini
The market of gluten-free bakery products is considerably growing since better diagnostic methods allow identifying an increasing number of people suffering coeliac disease and other gluten-related disorders such as dermatitis herpetiformis, gluten ataxia, wheat allergy and non-coeliac gluten sensitivity. The only and safe treatment available nowadays for these types of disorders is to follow a strict and permanent lifelong gluten-free diet. Beside the people needing to follow a gluten-free diet for health reasons, a new segment of consumers has arisen who consume gluten-free products as a lifestyle choice...
June 15, 2016: International Journal of Food Microbiology
Sonia Plaza-Wüthrich, Regula Blösch, Abiel Rindisbacher, Gina Cannarozzi, Zerihun Tadele
Tef [Eragrostis tef (Zucc.) Trotter] and finger millet [Eleusine coracana Gaertn] are staple cereal crops in Africa and Asia with several desirable agronomic and nutritional properties. Tef is becoming a life-style crop as it is gluten-free while finger millet has a low glycemic index which makes it an ideal food for diabetic patients. However, both tef and finger millet have extremely low grain yields mainly due to moisture scarcity and susceptibility of the plants to lodging. In this study, the effects of gibberellic acid (GA) inhibitors particularly paclobutrazol (PBZ) on diverse physiological and yield-related parameters were investigated and compared to GA mutants in rice (Oryza sativa L...
2016: Frontiers in Plant Science
Graziano Caggianiello, Michiel Kleerebezem, Giuseppe Spano
A wide range of lactic acid bacteria (LAB) is able to produce capsular or extracellular polysaccharides, with various chemical compositions and properties. Polysaccharides produced by LAB alter the rheological properties of the matrix in which they are dispersed, leading to typically viscous and "ropy" products. Polysaccharides are involved in several mechanisms such as prebiosis and probiosis, tolerance to stress associated to food process, and technological properties of food. In this paper, we summarize the beneficial properties of exopolysaccharides (EPS) produced by LAB with particular attention to prebiotic properties and to the effect of exopolysaccharides on the LAB-host interaction mechanisms, such as bacterial tolerance to gastrointestinal tract conditions, ability of ESP-producing probiotics to adhere to intestinal epithelium, their immune-modulatory activity, and their role in biofilm formation...
May 2016: Applied Microbiology and Biotechnology
Martin Haupt-Jorgensen, Karsten Buschard, Axel K Hansen, Knud Josefsen, Julie Christine Antvorskov
BACKGROUND: Gluten-free (GF) diet alleviates type 1 diabetes in animal models and possibly in humans. We recently showed that fatty acid-induced insulin secretion is enhanced by enzymatically digested gluten (gliadin) stimulation in INS-1E insulinoma cells. We therefore hypothesised that GF diet would induce beta-cell rest and ameliorate type 2 diabetes. METHODS: C57BL/6JBomTac (B6) mice were fed a high-fat (HF), gluten-free high-fat (GF-HF), standard (STD) or gluten-free (GF) diet for 42 weeks...
March 17, 2016: Diabetes/metabolism Research and Reviews
Grażyna Bortnowska, Agnieszka Krudos, Violetta Schube, Wioletta Krawczyńska, Natalia Krzemińska, Katarzyna Mojka
This study was conducted to examine the physicochemical and sensory properties of gluten-free white sauces (WSs) prepared with waxy rice starch (WRS) or tapioca starch (TS) and high amylose maize starch (HAMS) as the source of resistance starch RS2 type. Herschel-Bulkley model (H-B) was successfully used to describe the flow behavior of WSs. Temperature had a notable effect on the derived from H-B relation parameters and the Arrhenius equation was applied to describe changes in consistency. The values of storage modulus (G') were higher than those of loss modulus (G″) with loss tangent between 0...
July 1, 2016: Food Chemistry
Ida Rune, Bidda Rolin, Christian Larsen, Dennis Sandris Nielsen, Jenny E Kanter, Karin E Bornfeldt, Jens Lykkesfeldt, Karsten Buschard, Rikke Kaae Kirk, Berit Christoffersen, Johannes Josef Fels, Knud Josefsen, Pernille Kihl, Axel Kornerup Hansen
The importance of the gut microbiota (GM) in disease development has recently received increased attention, and numerous approaches have been made to better understand this important interplay. For example, metabolites derived from the GM have been shown to promote atherosclerosis, the underlying cause of cardiovascular disease (CVD), and to increase CVD risk factors. Popular interest in the role of the intestine in a variety of disease states has now resulted in a significant proportion of individuals without coeliac disease switching to gluten-free diets...
2016: PloS One
Huiyun Liu, Ke Wang, Lele Xiao, Shunli Wang, Lipu Du, Xinyou Cao, Xiaoxiang Zhang, Yang Zhou, Yueming Yan, Xingguo Ye
High molecular weight glutenin subunits (HMW-GSs) are important seed storage proteins in wheat (Triticum aestivum) that determine wheat dough elasticity and processing quality. Clarification of the defined effectiveness of HMW-GSs is very important to breeding efforts aimed at improving wheat quality. To date, there have no report on the expression silencing and quality effects of 1Bx20 and 1By20 at the Glu-B1 locus in wheat. A wheat somatic variation line, AS208, in which both 1Bx20 and 1By20 at Glu-B1 locus were silenced, was developed recently in our laboratory...
2016: PloS One
James Fudge, Michael Dunn, Oscar Pike, Richard Robison, Frost Steele
Salmonella is a common pathogen which has been the cause of foodborne illness outbreaks implicating a variety of commodities, including low-moisture foods such as flour. Salmonella costs more than any other pathogen in the United States in terms of health care expenses and time of lost work. Heat treatment can be used to reduce Salmonella and other pathogens in flour to safe levels. However, in low-moisture foods, process times must be increased to achieve adequate lethality, possibly resulting in changes in the flour's functionality such as changes in the gluten quality, vitamin content, and the level of starch gelatinization...
February 16, 2016: International Journal of Food Microbiology
Maureen M Leonard, Stephanie Camhi, Tania B Huedo-Medina, Alessio Fasano
In the past it was believed that genetic predisposition and exposure to gluten were necessary and sufficient to develop celiac disease (CD). Recent studies however suggest that loss of gluten tolerance can occur at any time in life as a consequence of other environmental stimuli. Many environmental factors known to influence the composition of the intestinal microbiota are also suggested to play a role in the development of CD. These include birthing delivery mode, infant feeding, and antibiotic use. To date no large-scale longitudinal studies have defined if and how gut microbiota composition and metabolomic profiles may influence the loss of gluten tolerance and subsequent onset of CD in genetically-susceptible individuals...
November 11, 2015: Nutrients
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