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Liu M, Huang J, Ma S, Yu G, Liao A, Pan L, Hou Y. Allergenicity of wheat protein in diet: Mechanisms, modifications and challenges. Food Res Int 2023; 169:112913. [PMID: 37254349 DOI: 10.1016/j.foodres.2023.112913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023]
Abstract
Wheat is widely available in people's daily diets. However, some people are currently experiencing IgE-mediated allergic reactions to wheat-based foods, which seriously impact their quality of life. Thus, it is imperative to provide comprehensive knowledge and effective methods to reduce the risk of wheat allergy (WA) in food. In the present review, recent advances in WA symptoms, the major allergens, detection methods, opportunities and challenges in establishing animal models of WA are summarized and discussed. Furthermore, an updated overview of the different modification methods that are currently being applied to wheat-based foods is provided. This study concludes that future approaches to food allergen detection will focus on combining multiple tools to rapidly and accurately quantify individual allergens in complex food matrices. Besides, biological modification has many advantages over physical or chemical modification methods in the development of hypoallergenic wheat products, such as enzymatic hydrolysis and fermentation. It is worth noting that using biotechnology to edit wheat allergen genes to produce allergen-free food may be a promising method in the future which could improve the safety of wheat foods and the health of allergy sufferers.
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Affiliation(s)
- Ming Liu
- Henan Provincial Key Laboratory of Biological Processing and Nutritional Function of Wheat, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, PR China; College of Food Science and Engineering, Henan University of Technology, Zhengzhou, 450001, PR China
| | - Jihong Huang
- Henan Provincial Key Laboratory of Biological Processing and Nutritional Function of Wheat, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, PR China; College of Food Science and Engineering, Henan University of Technology, Zhengzhou, 450001, PR China; State Key Laboratory of Crop Stress Adaptation and Improvement, College of Agriculture, Henan University, Kaifeng 475004, PR China; School of Food and Pharmacy, Xuchang University, Xuchang 461000, PR China.
| | - Sen Ma
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, 450001, PR China.
| | - Guanghai Yu
- Henan Provincial Key Laboratory of Biological Processing and Nutritional Function of Wheat, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Aimei Liao
- Henan Provincial Key Laboratory of Biological Processing and Nutritional Function of Wheat, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Long Pan
- Henan Provincial Key Laboratory of Biological Processing and Nutritional Function of Wheat, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Yinchen Hou
- College of Food and Biological Engineering, Henan University of Animal Husbandry and Economy, Zhengzhou 450044, PR China
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Lakhneko O, Stasik O, Škultéty Ľ, Kiriziy D, Sokolovska-Sergiienko O, Kovalenko M, Danchenko M. Transient drought during flowering modifies the grain proteome of bread winter wheat. FRONTIERS IN PLANT SCIENCE 2023; 14:1181834. [PMID: 37441186 PMCID: PMC10333505 DOI: 10.3389/fpls.2023.1181834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/07/2023] [Indexed: 07/15/2023]
Abstract
Drought is among the most limiting factors for sustainable agricultural production. Water shortage at the onset of flowering severely affects the quality and quantity of grain yield of bread wheat (Triticum aestivum). Herein, we measured oxidative stress and photosynthesis-related parameters upon applying transient drought on contrasting wheat cultivars at the flowering stage of ontogenesis. The sensitive cultivar (Darunok Podillia) showed ineffective water management and a more severe decline in photosynthesis. Apparently, the tolerant genotype (Odeska 267) used photorespiration to dissipate excessive light energy. The tolerant cultivar sooner induced superoxide dismutase and showed less inhibited photosynthesis. Such a protective effect resulted in less affected yield and spectrum of seed proteome. The tolerant cultivar had a more stable gluten profile, which defines bread-making quality, upon drought. Water deficit caused the accumulation of medically relevant proteins: (i) components of gluten in the sensitive cultivar and (ii) metabolic proteins in the tolerant cultivar. We propose specific proteins for further exploration as potential markers of drought tolerance for guiding efficient breeding: thaumatin-like protein, 14-3-3 protein, peroxiredoxins, peroxidase, FBD domain protein, and Ap2/ERF plus B3 domain protein.
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Affiliation(s)
- Olha Lakhneko
- Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Institute of Plant Genetics and Biotechnology, Plant Science Biodiversity Centre, Slovak Academy of Sciences, Nitra, Slovakia
| | - Oleg Stasik
- Institute of Plant Physiology and Genetics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Ľudovit Škultéty
- Institute of Virology, Biomedical Research Centre, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Dmytro Kiriziy
- Institute of Plant Physiology and Genetics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | | | - Mariia Kovalenko
- Educational and Scientific Centre (ESC) “Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - Maksym Danchenko
- Institute of Plant Genetics and Biotechnology, Plant Science Biodiversity Centre, Slovak Academy of Sciences, Nitra, Slovakia
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3
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Cherkaoui M, Tessier D, Lollier V, Larre C, Brossard C, Dijk W, Rogniaux H. High-resolution mass spectrometry unveils the molecular changes of ovalbumin induced by heating and their influence on IgE binding capacity. Food Chem 2022; 395:133624. [DOI: 10.1016/j.foodchem.2022.133624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 06/30/2022] [Accepted: 06/30/2022] [Indexed: 11/26/2022]
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Jorgensen R, Raghunath R, Gao H, Olson E, Ng PKW, Gangur V. A Mouse-Based Method to Monitor Wheat Allergens in Novel Wheat Lines and Varieties Created by Crossbreeding: Proof-of-Concept Using Durum and A. tauschii Wheats. Int J Mol Sci 2022; 23:ijms23126505. [PMID: 35742949 PMCID: PMC9224339 DOI: 10.3390/ijms23126505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 12/04/2022] Open
Abstract
Wheat allergies are potentially life-threatening because of the high risk of anaphylaxis. Wheats belong to four genotypes represented in thousands of lines and varieties. Monitoring changes to wheat allergens is critical to prevent inadvertent ntroduction of hyper-allergenic varieties via breeding. However, validated methods for this purpose are unavailable at present. As a proof-of-concept study, we tested the hypothesis that salt-soluble wheat allergens in our mouse model will be identical to those reported for humans. Groups of Balb/cJ mice were rendered allergic to durum wheat salt-soluble protein extract (SSPE). Using blood from allergic mice, a mini hyper-IgE plasma bank was created and used in optimizing an IgE Western blotting (IEWB) to identify IgE binding allergens. The LC-MS/MS was used to sequence the allergenic bands. An ancient Aegilops tauschii wheat was grown in our greenhouse and extracted SSPE. Using the optimized IEWB method followed by sequencing, the cross-reacting allergens in A. tauschii wheat were identified. Database analysis showed all but 2 of the durum wheat allergens and all A. tauschii wheat allergens identified in this model had been reported as human allergens. Thus, this model may be used to identify and monitor potential changes to salt-soluble wheat allergens caused by breeding.
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Affiliation(s)
- Rick Jorgensen
- Food Allergy & Immunology Laboratory, Department of Food Science & Human Nutrition, Michigan State University, East Lansing, MI 48824, USA; (R.J.); (R.R.); (H.G.)
| | - Rajsri Raghunath
- Food Allergy & Immunology Laboratory, Department of Food Science & Human Nutrition, Michigan State University, East Lansing, MI 48824, USA; (R.J.); (R.R.); (H.G.)
| | - Haoran Gao
- Food Allergy & Immunology Laboratory, Department of Food Science & Human Nutrition, Michigan State University, East Lansing, MI 48824, USA; (R.J.); (R.R.); (H.G.)
| | - Eric Olson
- Wheat Breeding & Genetics Laboratory, Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, USA;
| | - Perry K. W. Ng
- Cereal Science Laboratory, Department of Food Science & Human Nutrition, Michigan State University, East Lansing, MI 48824, USA;
| | - Venu Gangur
- Food Allergy & Immunology Laboratory, Department of Food Science & Human Nutrition, Michigan State University, East Lansing, MI 48824, USA; (R.J.); (R.R.); (H.G.)
- Correspondence: ; Tel.: +1-517-353-3330
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Celebi Sozener Z, Ozdel Ozturk B, Cerci P, Turk M, Gorgulu Akin B, Akdis M, Altiner S, Ozbey U, Ogulur I, Mitamura Y, Yilmaz I, Nadeau K, Ozdemir C, Mungan D, Akdis CA. Epithelial barrier hypothesis: Effect of the external exposome on the microbiome and epithelial barriers in allergic disease. Allergy 2022; 77:1418-1449. [PMID: 35108405 PMCID: PMC9306534 DOI: 10.1111/all.15240] [Citation(s) in RCA: 139] [Impact Index Per Article: 69.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/25/2022] [Accepted: 01/29/2022] [Indexed: 12/11/2022]
Abstract
Environmental exposure plays a major role in the development of allergic diseases. The exposome can be classified into internal (e.g., aging, hormones, and metabolic processes), specific external (e.g., chemical pollutants or lifestyle factors), and general external (e.g., broader socioeconomic and psychological contexts) domains, all of which are interrelated. All the factors we are exposed to, from the moment of conception to death, are part of the external exposome. Several hundreds of thousands of new chemicals have been introduced in modern life without our having a full understanding of their toxic health effects and ways to mitigate these effects. Climate change, air pollution, microplastics, tobacco smoke, changes and loss of biodiversity, alterations in dietary habits, and the microbiome due to modernization, urbanization, and globalization constitute our surrounding environment and external exposome. Some of these factors disrupt the epithelial barriers of the skin and mucosal surfaces, and these disruptions have been linked in the last few decades to the increasing prevalence and severity of allergic and inflammatory diseases such as atopic dermatitis, food allergy, allergic rhinitis, chronic rhinosinusitis, eosinophilic esophagitis, and asthma. The epithelial barrier hypothesis provides a mechanistic explanation of how these factors can explain the rapid increase in allergic and autoimmune diseases. In this review, we discuss factors affecting the planet's health in the context of the 'epithelial barrier hypothesis,' including climate change, pollution, changes and loss of biodiversity, and emphasize the changes in the external exposome in the last few decades and their effects on allergic diseases. In addition, the roles of increased dietary fatty acid consumption and environmental substances (detergents, airborne pollen, ozone, microplastics, nanoparticles, and tobacco) affecting epithelial barriers are discussed. Considering the emerging data from recent studies, we suggest stringent governmental regulations, global policy adjustments, patient education, and the establishment of individualized control measures to mitigate environmental threats and decrease allergic disease.
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Affiliation(s)
| | - Betul Ozdel Ozturk
- School of MedicineDepartment of Chest DiseasesDivision of Immunology and Allergic DiseasesAnkara UniversityAnkaraTurkey
| | - Pamir Cerci
- Clinic of Immunology and Allergic DiseasesEskisehir City HospitalEskisehirTurkey
| | - Murat Turk
- Clinic of Immunology and Allergic DiseasesKayseri City HospitalKayseriTurkey
| | - Begum Gorgulu Akin
- Clinic of Immunology and Allergic DiseasesAnkara City HospitalAnkaraTurkey
| | - Mubeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
| | - Seda Altiner
- Clinic of Internal Medicine Division of Immunology and Allergic DiseasesKahramanmaras Necip Fazil City HospitalKahramanmarasTurkey
| | - Umus Ozbey
- Department of Nutrition and DietAnkara UniversityAnkaraTurkey
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
| | - Insu Yilmaz
- Department of Chest DiseasesDivision of Immunology and Allergic DiseasesErciyes UniversityKayseriTurkey
| | - Kari Nadeau
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University School of MedicineDivision of Pulmonary and Critical Care MedicineDepartment of MedicineStanford UniversityStanfordCaliforniaUSA
| | - Cevdet Ozdemir
- Institute of Child HealthDepartment of Pediatric Basic SciencesIstanbul UniversityIstanbulTurkey
- Istanbul Faculty of MedicineDepartment of PediatricsDivision of Pediatric Allergy and ImmunologyIstanbul UniversityIstanbulTurkey
| | - Dilsad Mungan
- School of MedicineDepartment of Chest DiseasesDivision of Immunology and Allergic DiseasesAnkara UniversityAnkaraTurkey
| | - Cezmi A. Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
- Christine Kühne‐Center for Allergy Research and Education (CK‐CARE)DavosSwitzerland
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Bianco M, Ventura G, Calvano CD, Losito I, Cataldi TRI. A new paradigm to search for allergenic proteins in novel foods by integrating proteomics analysis and in silico sequence homology prediction: Focus on spirulina and chlorella microalgae. Talanta 2022; 240:123188. [PMID: 34990986 DOI: 10.1016/j.talanta.2021.123188] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 10/19/2022]
Abstract
Since novel nutrient sources with high protein content, such as yeast, fungi, bacteria, algae, and insects, are increasingly introduced in the consumer market, safety evaluation studies on their potentially allergenic proteins are required. A pipeline for in silico establishing the sequence-based homology between proteins of spirulina (Arthrospira platensis) and chlorella (Chlorella vulgaris) micro-algae and those included in the AllergenOnline (AO) database (AllergenOnline.org) is described. The extracted proteins were first identified through tryptic peptides analysis by reversed-phase liquid chromatography and high resolution/accuracy Fourier-transform tandem mass spectrometry (RPLC-ESI-FTMS/MS), followed by a quest on the UniProt database. The AO database was subsequently interrogated to assess sequence similarity between identified microalgal proteins and known allergens, based on criteria established by the World Health Organization (WHO) and Food and Agriculture Organization (FAO). A direct search for microalgal proteins already included in allergen databases was also performed using the Allergome database. Six proteins exhibiting a significant homology with food allergens were identified in spirulina extracts. Five of them, i.e., two thioredoxins (D4ZSU6, K1VP15), a superoxide dismutase (C3V3P3), a glyceraldehyde-3-phosphate dehydrogenase (K1W168), and a triosephosphate isomerase (D5A635), resulted from the search on AO. The sixth protein, C-phycocyanin beta subunit (P72508), was directly obtained after examining the Allergome database. Two proteins exhibiting significant sequence homology with food allergens were retrieved in chlorella extracts, viz. calmodulin (A0A2P6TFR8), which is related to troponin c (D7F1Q2), and fructose-bisphosphate aldolase (A0A2P6TDD0). Specific serum screenings based on immunochemical tests should be undertaken to confirm or rule out the allergenicity of the identified proteins.
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Affiliation(s)
- Mariachiara Bianco
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy
| | - Giovanni Ventura
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy.
| | - Cosima Damiana Calvano
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy; Interdepartmental Research Center SMART, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy
| | - Ilario Losito
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy; Interdepartmental Research Center SMART, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy
| | - Tommaso R I Cataldi
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy; Interdepartmental Research Center SMART, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy.
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Oral exposure to bisphenol A exacerbates allergic inflammation in a mouse model of food allergy. Toxicology 2022; 472:153188. [DOI: 10.1016/j.tox.2022.153188] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022]
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Cammerata A, Laddomada B, Milano F, Camerlengo F, Bonarrigo M, Masci S, Sestili F. Qualitative Characterization of Unrefined Durum Wheat Air-Classified Fractions. Foods 2021; 10:foods10112817. [PMID: 34829105 PMCID: PMC8618629 DOI: 10.3390/foods10112817] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/11/2021] [Accepted: 11/13/2021] [Indexed: 01/15/2023] Open
Abstract
Durum wheat milling is a key process step to improve the quality and safety of final products. The aim of this study was to characterize three bran-enriched milling fractions (i.e., F250, G230 and G250), obtained from three durum wheat grain samples, by using an innovative micronization and air-classification technology. Milling fractions were characterized for main standard quality parameters and for alveographic properties, starch composition and content, phenolic acids, antioxidant activity and ATIs. Results showed that yield recovery, ash content and particle size distributions were influenced either by the operating conditions (230 or 250) or by the grain samples. While total starch content was lower in the micronized sample and air-classified fractions, the P/L ratio increased in air-classified fractions as compared to semolina. Six main individual phenolic acids were identified through HPLC-DAD analysis (i.e., ferulic acid, vanillic acid, p-coumaric acid, sinapic acid, syringic and p-hydroxybenzoic acids). Compared to semolina, higher contents of all individual phenolic components were found in all bran-enriched fractions. The highest rise of TPAs occurred in the F250 fraction, which was maintained in the derived pasta. Moreover, bran-enriched fractions showed significant reductions of ATIs content versus semolina. Overall, our data suggest the potential health benefits of F250, G230 and G250 and support their use to make durum-based foods.
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Affiliation(s)
- Alessandro Cammerata
- Council for Agricultural Research and Economics, Research Centre for Engineering and Agro-Food Processing, Via Manziana 30, 00189 Rome, Italy;
| | - Barbara Laddomada
- Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via Monteroni, 73100 Lecce, Italy; (F.C.); (M.B.); (S.M.)
- Correspondence: (B.L.); (F.S.); Tel.: +39-0832-422613 (B.L.); +39-328-8866276 (F.S.)
| | - Francesco Milano
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc, 01100 Viterbo, Italy;
| | - Francesco Camerlengo
- Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via Monteroni, 73100 Lecce, Italy; (F.C.); (M.B.); (S.M.)
| | - Marco Bonarrigo
- Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via Monteroni, 73100 Lecce, Italy; (F.C.); (M.B.); (S.M.)
| | - Stefania Masci
- Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via Monteroni, 73100 Lecce, Italy; (F.C.); (M.B.); (S.M.)
| | - Francesco Sestili
- Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via Monteroni, 73100 Lecce, Italy; (F.C.); (M.B.); (S.M.)
- Correspondence: (B.L.); (F.S.); Tel.: +39-0832-422613 (B.L.); +39-328-8866276 (F.S.)
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Meeting the challenge of developing food crops with improved nutritional quality and food safety: leveraging proteomics and related omics techniques. Biotechnol Lett 2019; 41:471-481. [PMID: 30820711 DOI: 10.1007/s10529-019-02655-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 02/21/2019] [Indexed: 10/27/2022]
Abstract
Eliminating malnutrition remains an imminent priority in our efforts to achieve food security and providing adequate calories, proteins, and micronutrients to the growing world population. Malnutrition may be attributed to socio-economic factors (poverty and limited accessibility to nutritional food), dietary preferences, inherent nutrient profiles of traditional food crops, and to a combination of all such factors. Modern advancements in "omics" technology have made it possible to reliably predict, diagnose, and suggest ways to remedy the low protein content and bioavailability of key micronutrients in food crops. In this review, we briefly describe how proteomics techniques can potentially be used for improving the nutrient profile of major crops, through high throughput multiplexed assays. Food safety is another important issue where proteomics and related platforms can offer solution for absolute quantitation of food allergens and mycotoxins present in the plant-based food. The purpose of the present review is to discuss the proteomic-based strategies in food crops to meet the challenges of overcoming malnutrition throughout the world.
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Altenbach SB, Chang HC, Simon-Buss A, Jang YR, Denery-Papini S, Pineau F, Gu YQ, Huo N, Lim SH, Kang CS, Lee JY. Towards reducing the immunogenic potential of wheat flour: omega gliadins encoded by the D genome of hexaploid wheat may also harbor epitopes for the serious food allergy WDEIA. BMC PLANT BIOLOGY 2018; 18:291. [PMID: 30463509 PMCID: PMC6249860 DOI: 10.1186/s12870-018-1506-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 10/26/2018] [Indexed: 05/22/2023]
Abstract
BACKGROUND Omega-5 gliadins are a group of highly repetitive gluten proteins in wheat flour encoded on the 1B chromosome of hexaploid wheat. These proteins are the major sensitizing allergens in a severe form of food allergy called wheat-dependent exercise-induced anaphylaxis (WDEIA). The elimination of omega-5 gliadins from wheat flour through biotechnology or breeding approaches could reduce the immunogenic potential and adverse health effects of the flour. RESULTS A mutant line missing low-molecular weight glutenin subunits encoded at the Glu-B3 locus was selected previously from a doubled haploid population generated from two Korean wheat cultivars. Analysis of flour from the mutant line by 2-dimensional gel electrophoresis coupled with tandem mass spectrometry revealed that the omega-5 gliadins and several gamma gliadins encoded by the closely linked Gli-B1 locus were also missing as a result of a deletion of at least 5.8 Mb of chromosome 1B. Two-dimensional immunoblot analysis of flour proteins using sera from WDEIA patients showed reduced IgE reactivity in the mutant relative to the parental lines due to the absence of the major omega-5 gliadins. However, two minor proteins showed strong reactivity to patient sera in both the parental and the mutant lines and also reacted with a monoclonal antibody against omega-5 gliadin. Analysis of the two minor reactive proteins by mass spectrometry revealed that both proteins correspond to omega-5 gliadin genes encoded on chromosome 1D that were thought previously to be pseudogenes. CONCLUSIONS While breeding approaches can be used to reduce the levels of the highly immunogenic omega-5 gliadins in wheat flour, these approaches are complicated by the genetic linkage of different classes of gluten protein genes and the finding that omega-5 gliadins may be encoded on more than one chromosome. The work illustrates the importance of detailed knowledge about the genomic regions harboring the major gluten protein genes in individual wheat cultivars for future efforts aimed at reducing the immunogenic potential of wheat flour.
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Affiliation(s)
- Susan B. Altenbach
- USDA-ARS Western Regional Research Center, 800 Buchanan Street, Albany, CA 94710 USA
| | - Han-Chang Chang
- USDA-ARS Western Regional Research Center, 800 Buchanan Street, Albany, CA 94710 USA
| | - Annamaria Simon-Buss
- USDA-ARS Western Regional Research Center, 800 Buchanan Street, Albany, CA 94710 USA
| | - You-Ran Jang
- National Institute of Agricultural Sciences, RDA, Jeonju, 54874 South Korea
| | - Sandra Denery-Papini
- UR1268 Biopolymers, Interactions, Assemblies, Institut National de la Recherche Agronomique, Rue de la Géraudière, F-44316 Nantes, France
| | - Florence Pineau
- UR1268 Biopolymers, Interactions, Assemblies, Institut National de la Recherche Agronomique, Rue de la Géraudière, F-44316 Nantes, France
| | - Yong Q. Gu
- USDA-ARS Western Regional Research Center, 800 Buchanan Street, Albany, CA 94710 USA
| | - Naxin Huo
- USDA-ARS Western Regional Research Center, 800 Buchanan Street, Albany, CA 94710 USA
| | - Sun-Hyung Lim
- National Institute of Agricultural Sciences, RDA, Jeonju, 54874 South Korea
| | - Chon-Sik Kang
- National Institute of Crop Science, RDA, Jeonju, 55365 South Korea
| | - Jong-Yeol Lee
- National Institute of Agricultural Sciences, RDA, Jeonju, 54874 South Korea
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11
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Tundo S, Lupi R, Lafond M, Giardina T, Larré C, Denery-Papini S, Morisset M, Kalunke R, Sestili F, Masci S. Wheat ATI CM3, CM16 and 0.28 Allergens Produced in Pichia Pastoris Display a Different Eliciting Potential in Food Allergy to Wheat ‡. PLANTS (BASEL, SWITZERLAND) 2018; 7:E101. [PMID: 30453594 PMCID: PMC6313882 DOI: 10.3390/plants7040101] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/07/2018] [Accepted: 11/15/2018] [Indexed: 12/16/2022]
Abstract
Although wheat is a staple food for most of the human population, some of its components trigger adverse reactions. Among wheat components, the alpha-amylase/trypsin inhibitors (ATI) are important triggers of several allergies and activators of innate immunity. ATI are a group of exogenous protease inhibitors and include several polypeptides. The three ATI polypeptides named CM3, CM16 and 0.28 are considered major allergens, and might also play a role in other common wheat-related pathologies, such as Non Celiac Wheat Sensitivity and even Celiac Disease. On this basis, we pointed to obtain high amounts of them in purity and to evaluate their allergenicity potential. We thus isolated the mRNA corresponding to the three ATI genes CM3, CM16 and 0.28 from 28 days post-anthesis wheat kernels and the corresponding cDNAs were used for heterologous expression in Pichia pastoris. The three purified proteins were tested in degranulation assay against human sera of patients with food allergy to wheat. A large range of degranulation values was observed for each protein according to the sera tested. All of the three purified proteins CM3, CM16 and 0.28 were active as allergens because they were able to induce basophils degranulation on wheat allergic patients' sera, with the highest values of β-hexosaminidase release observed for CM3 protein.
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Affiliation(s)
- Silvio Tundo
- Department of Agriculture and Forest Science (DAFNE), University of Tuscia, Via S. C. de Lellis snc, 01100 Viterbo, Italy.
- Present address: Department of Land, Environment, Agriculture and Forestry (TESAF), University of Padova, Viale dell'Università 16, 35020 Legnaro (PD), Italy.
| | - Roberta Lupi
- UR 1268 BIA (Biopolymers, Interactions, Assemblies) INRA, 44300 Nantes, France.
| | - Mickael Lafond
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Thierry Giardina
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Colette Larré
- UR 1268 BIA (Biopolymers, Interactions, Assemblies) INRA, 44300 Nantes, France.
| | | | - Martine Morisset
- Service d'Allergologie - CHU ANGERS, 4 rue Larrey 49933 Angers Cedex 9, France.
| | - Raviraj Kalunke
- Department of Agriculture and Forest Science (DAFNE), University of Tuscia, Via S. C. de Lellis snc, 01100 Viterbo, Italy.
- Present address: Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan.
| | - Francesco Sestili
- Department of Agriculture and Forest Science (DAFNE), University of Tuscia, Via S. C. de Lellis snc, 01100 Viterbo, Italy.
| | - Stefania Masci
- Department of Agriculture and Forest Science (DAFNE), University of Tuscia, Via S. C. de Lellis snc, 01100 Viterbo, Italy.
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12
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Immunogenic and allergenic profile of wheat flours from different technological qualities revealed by ion mobility mass spectrometry. J Food Compost Anal 2018. [DOI: 10.1016/j.jfca.2018.07.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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13
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Edge MS, Kunkel ME, Schmidt J, Papoutsakis C. 2015 Evidence Analysis Library Systematic Review on Advanced Technology in Food Production. J Acad Nutr Diet 2018. [PMID: 29526649 DOI: 10.1016/j.jand.2017.08.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the late 20th century, plant breeders began using molecular biology techniques such as recombinant DNA, also known as genetic engineering, along with traditional cross-breeding. Ten plant and one animal food have been approved for commercialization in the United States. Today, foods and ingredients from genetically engineered (GE) crops are present throughout the food supply, which has led to varying levels of acceptance. Much discussion exists among consumers and health professionals about the believability of statements made regarding benefits or risks of GE foods. The aim of this systematic review was to examine the evidence on the association of consumption of GE foods and ingredients derived from them on human health, specifically allergenicity, food safety, pesticide consumption, nutrient adequacy, inflammation, and antibiotic resistance. An expert panel conducted a systematic review on advanced technology in food production. The 30 developed questions focused on effects of human consumption of GE foods and the effects of human consumption of foods containing pesticide residues on human health. Primary research published from 1994 to 2014 were identified using PubMed and Agricultural Online Access databases. Additional studies were identified by searching references of review articles. Twenty-one studies met the inclusion criteria. Relevant research addressed five of 30 questions. Four questions focused on food allergenicity, the fifth on nutrient adequacy, and all received a Grade III (limited/weak) rating. No human studies addressed 25 questions on the consumption of foods produced using genetic engineering technologies on gene translocation, cancer, food safety, phenotype expression, inflammation and inflammatory markers, or antibiotic resistance. These questions received a Grade V (grade not assignable). Evidence from human studies did not reveal an association between adverse health effects and consumption of foods produced using genetic engineering technologies. Although the number of available human studies is small, they support that there are no clear adverse health effects-as they relate to allergenicity and nutrient adequacy-associated with consumption of GE foods. The present systematic review is aligned with a recent report by the National Academy of Sciences that included human and animal research.
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14
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Lupi R, Denery-Papini S, Claude M, Tranquet O, Drouet M, Masci S, Larré C. Thermal treatment reduces gliadin recognition by IgE, but a subsequent digestion and epithelial crossing permits recovery. Food Res Int 2018; 118:22-31. [PMID: 30898348 DOI: 10.1016/j.foodres.2018.02.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 01/19/2018] [Accepted: 02/02/2018] [Indexed: 01/01/2023]
Abstract
Wheat is one of the most important crops in the world in terms of human nutrition. With regards to health, some individuals exhibit wheat-related disorders such as food allergy to wheat (FAW). In this disorder, gluten is involved, particularly the gliadins which are among the main proteins responsible for FAW. Food processing, as well as digestibility and intestinal transport are key factors to consider since they may affect the allergenic potential of food allergens. Wheat is always consumed after heat processing and this step may impact epitope accessibility by inducing aggregation and may irreversibly destroy conformational epitopes. Our aim was to investigate the effects of heating and digestion on the structure of well-known allergens (total gliadins and α-gliadins) and their capacity to maintain their allergenic potential after crossing an intestinal barrier. The sizes of the processed (heated and heated/digested) proteins were characterized by laser light scattering and chromatographic reverse phase. The IgE-binding capacities of native and processed proteins were checked using a dot blot with sera from wheat allergenic patients. Furthermore, the abilities of these samples to cross the intestinal barrier and to induce mast cell degranulation were investigated by combining two in vitro cellular models, Caco-2 and RBL-SX38. The heat treatment of total gliadins and α-gliadins induced the production of large aggregates that were hardly recognized by IgE of patients in dot-blot. However, after limited pepsin hydrolysis, the epitopes were unmasked, and they were able to bind IgE again. Native proteins (gliadins and α-type) and processed forms were able to cross the Caco-2 cells in small amount. Permeability studies revealed the capacity of α-gliadins to increase paracellular permeability. In the RBL assay, the total native gliadins were able to trigger cell degranulation, but none of their processed forms. However after crossing the CaCo-2 monolayer, processed gliadins recovered their degranulation capacity to a certain extent. Total native gliadins remained the best allergenic form compared to α-type.
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Affiliation(s)
- R Lupi
- University of Tuscia, Department of Agricultural and Forestry Science, Via S. Camillo de Lellis s.n.c., 01100 Viterbo, Italy; INRA, UR 1268 Biopolymers Interactions Assemblies, 44316 Nantes, France.
| | - S Denery-Papini
- INRA, UR 1268 Biopolymers Interactions Assemblies, 44316 Nantes, France.
| | - M Claude
- INRA, UR 1268 Biopolymers Interactions Assemblies, 44316 Nantes, France
| | - O Tranquet
- INRA, UR 1268 Biopolymers Interactions Assemblies, 44316 Nantes, France.
| | - M Drouet
- CHU d'Angers, Unité Allergologie Générale, F-49000 Angers, France.
| | - S Masci
- University of Tuscia, Department of Agricultural and Forestry Science, Via S. Camillo de Lellis s.n.c., 01100 Viterbo, Italy.
| | - C Larré
- INRA, UR 1268 Biopolymers Interactions Assemblies, 44316 Nantes, France.
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15
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Pérot M, Lupi R, Guyot S, Delayre-Orthez C, Gadonna-Widehem P, Thébaudin JY, Bodinier M, Larré C. Polyphenol Interactions Mitigate the Immunogenicity and Allergenicity of Gliadins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:6442-6451. [PMID: 28190352 DOI: 10.1021/acs.jafc.6b05371] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Wheat allergy is an IgE-mediated disorder. Polyphenols, which are known to interact with certain proteins, could be used to reduce allergic reactions. This study screened several polyphenol sources for their ability to interact with gliadins, mask epitopes, and affect basophil degranulation. Polyphenol extracts from artichoke leaves, cranberries, apples, and green tea leaves were examined. Of these extracts, the first three formed insoluble complexes with gliadins. Only the cranberry and apple extracts masked epitopes in dot blot assays using anti-gliadin IgG and IgE antibodies from patients with wheat allergies. The cranberry and artichoke extracts limited cellular degranulation by reducing mouse anti-gliadin IgE recognition. In conclusion, the cranberry extract is the most effective polyphenol source at reducing the immunogenicity and allergenicity of wheat gliadins.
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Affiliation(s)
- Maxime Pérot
- UR 1268 Biopolymères Interactions Assemblages, INRA , F-44300 Nantes, France
- UP 2012.10.101 EGEAL Unit, Unilasalle , F-60000 Beauvais, France
- Guaranteed Gluten Free , F-80700 Roye, France
| | - Roberta Lupi
- UR 1268 Biopolymères Interactions Assemblages, INRA , F-44300 Nantes, France
| | - Sylvain Guyot
- UR 1268 Biopolymères Interactions Assemblages, INRA , F-44300 Nantes, France
| | | | | | | | - Marie Bodinier
- UR 1268 Biopolymères Interactions Assemblages, INRA , F-44300 Nantes, France
| | - Colette Larré
- UR 1268 Biopolymères Interactions Assemblages, INRA , F-44300 Nantes, France
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16
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Comparative proteomic analysis of two transgenic low-gliadin wheat lines and non-transgenic wheat control. J Proteomics 2017. [PMID: 28625740 DOI: 10.1016/j.jprot.2017.06.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
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. As a result of the strong down-regulation of gliadins, the HMW-GS, metabolic and chloroform/methanol soluble proteins were over-accumulated in the transgenic lines, especially in the line D793, which showed the highest silencing of gliadins. Basing on these data, and considering that metabolic proteins and chloroform/methanol soluble proteins (CM-like), such as the α-amylase/trypsin inhibitor family, β-amylase and serpins, were related to wheat allergens, further in vivo analysis will be needed, especially those related to clinical trials in controlled patients, to determine if these lines could be used for food preparation for celiac or other gluten intolerant groups. BIOLOGICAL SIGNIFICANCE Several enteropathies and allergies are related to wheat proteins. Biotechnological techniques such as genetic transformation and RNA interference have allowed the silencing of gliadin genes, providing lines with very low gliadin content in the grains. We report a proteomic-based approach to characterize two low-gliadin transgenic wheat lines obtained by RNAi technology. These lines harbor the same silencing fragment, but driven by two different endosperm specific promoters (γ-gliadin and D-hordein). The comprehensive proteome analysis of these transgenic lines, by combining two-dimensional electrophoresis and RP-HPLC/nESI-MS/MS, provided a large number of spots differentially expressed between the control and the transgenic lines. Hence, the results of this study will facilitate further safety evaluation of these transgenic lines.
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17
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Impact of Wild Loci on the Allergenic Potential of Cultivated Tomato Fruits. PLoS One 2016; 11:e0155803. [PMID: 27182705 PMCID: PMC4868316 DOI: 10.1371/journal.pone.0155803] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 04/14/2016] [Indexed: 11/21/2022] Open
Abstract
Tomato (Solanum lycopersicum) is one of the most extensively consumed vegetables but, unfortunately, it is also able to induce allergic reactions. In the past, it has been shown that the choice of tomato cultivar significantly influenced the allergic reaction of tomato allergic subjects. In this study we investigated the allergenic potential of the cultivated tomato line M82 and of two selected lines carrying small chromosome regions from the wild species Solanum pennellii (i.e. IL7-3 and IL12-4). We evaluated the positive interactions of IgEs of allergic subjects in order to investigate the different allergenic potential of the lines under investigation. We used proteomic analyses in order to identify putative tomato allergens. In addition, bioinformatic and transcriptomic approaches were applied in order to analyse the structure and the expression profiles of the identified allergen-encoding genes. These analyses demonstrated that fruits harvested from the two selected introgression lines harbour a different allergenic potential as those from the cultivated genotype M82. The different allergenicity found within the three lines was mostly due to differences in the IgE recognition of a polygalacturonase enzyme (46 kDa), one of the major tomato allergens, and of a pectin methylesterase (34 kDa); both the proteins were more immunoreactive in IL7-3 compared to IL12-4 and M82. The observed differences in the allergenic potential were mostly due to line-dependent translational control or post-translational modifications of the allergens. We demonstrated, for the first time, that the introgression from a wild species (S. pennellii) in the genomic background of a cultivated tomato line influences the allergenic properties of the fruits. Our findings could support the isolation of favorable wild loci promoting low allergenic potential in tomato.
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18
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Rogniaux H, Pavlovic M, Lupi R, Lollier V, Joint M, Mameri H, Denery S, Larré C. Allergen relative abundance in several wheat varieties as revealed via a targeted quantitative approach using MS. Proteomics 2016; 15:1736-45. [PMID: 25764008 DOI: 10.1002/pmic.201400416] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 02/13/2015] [Accepted: 03/02/2015] [Indexed: 12/18/2022]
Abstract
Food allergy has become a major health issue in developed countries, therefore there is an urgent need to develop analytical methods able to detect and quantify with a good sensitivity and reliability some specific allergens in complex food matrices. In this paper, we present a targeted MS/MS approach to compare the relative abundance of the major recognized wheat allergens in the salt-soluble (albumin/globulin) fraction of wheat grains. Twelve allergens were quantified in seven wheat varieties, selected from three Triticum species: T. aestivum (bread wheat), T. durum (durum wheat), and T. monococcum. The allergens were monitored from one or two proteotypic peptides and their relative abundance was deduced from the intensity of one fragment measured in MS/MS. Whereas the abundance of some of the targeted allergens was quite stable across the genotypes, others like alpha-amylase inhibitors showed clear differences according to the wheat species, in accordance with the results of earlier functional studies. This study enriches the scarce knowledge available on allergens content in wheat genotypes, and brings new perspectives for food safety and plant breeding.
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Affiliation(s)
- Hélène Rogniaux
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
| | - Marija Pavlovic
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
| | - Roberta Lupi
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
| | | | - Mathilde Joint
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
| | - Hamza Mameri
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
| | - Sandra Denery
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
| | - Colette Larré
- INRA UR1268 Biopolymers Interactions Assemblies, Nantes, France
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19
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Altenbach SB, Tanaka CK, Pineau F, Lupi R, Drouet M, Beaudouin E, Morisset M, Denery-Papini S. Assessment of the Allergenic Potential of Transgenic Wheat (Triticum aestivum) with Reduced Levels of ω5-Gliadins, the Major Sensitizing Allergen in Wheat-Dependent Exercise-Induced Anaphylaxis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:9323-32. [PMID: 26447559 DOI: 10.1021/acs.jafc.5b03557] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The ω5-gliadins are the major sensitizing allergens in wheat-dependent exercise-induced anaphylaxis (WDEIA). In this study, two-dimensional immunoblot analysis was used to assess the allergenic potential of two transgenic wheat lines in which ω5-gliadin genes were silenced by RNA interference. Sera from 7 of 11 WDEIA patients showed greatly reduced levels of immunoglobulin E (IgE) reactivity to ω5-gliadins in both transgenic lines. However, these sera also showed low levels of reactivity to other gluten proteins. Sera from three patients showed the greatest reactivity to proteins other than ω5-gliadins, either high-molecular-weight glutenin subunits (HMW-GSs), α-gliadins, or non-gluten proteins. The complexity of immunological responses among these patients suggests that flour from the transgenic lines would not be suitable for individuals already diagnosed with WDEIA. However, the introduction of wheat lacking ω5-gliadins could reduce the number of people sensitized to these proteins and thereby decrease the overall incidence of this serious food allergy.
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Affiliation(s)
- Susan B Altenbach
- Western Regional Research Center, Agricultural Research Services (ARS), United States Department of Agriculture (USDA) , 800 Buchanan Street Albany, California 94710, United States
| | - Charlene K Tanaka
- Western Regional Research Center, Agricultural Research Services (ARS), United States Department of Agriculture (USDA) , 800 Buchanan Street Albany, California 94710, United States
| | - Florence Pineau
- UR1268 Biopolymers, Interactions, Assemblies, Institut National de la Recherche Agronomique (INRA) , Rue de la Géraudière, F-44316 Nantes Cedex 03, France
| | - Roberta Lupi
- UR1268 Biopolymers, Interactions, Assemblies, Institut National de la Recherche Agronomique (INRA) , Rue de la Géraudière, F-44316 Nantes Cedex 03, France
| | - Martine Drouet
- Unité d'Allergologie Générale et de Pneumologie, Centre Hospitalier Universitaire (CHU) d'Angers , F-49933 Angers, France
| | - Etienne Beaudouin
- Service d'Allergologie, Centre Hospitalier (CH) Epinal , F-88021 Epinal, France
| | - Martine Morisset
- Immunologie-Allergologie, Centre Hospitalier (CH) de Luxembourg , L-1210 Luxembourg, Luxembourg
| | - Sandra Denery-Papini
- UR1268 Biopolymers, Interactions, Assemblies, Institut National de la Recherche Agronomique (INRA) , Rue de la Géraudière, F-44316 Nantes Cedex 03, France
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20
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Lupi R, Masci S, Rogniaux H, Tranquet O, Brossard C, Lafiandra D, Moneret-Vautrin D, Denery-Papini S, Larré C. Assessment of the allergenicity of soluble fractions from GM and commercial genotypes of wheats. J Cereal Sci 2014. [DOI: 10.1016/j.jcs.2014.02.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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21
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Meneses Y, Cannon KJ, Flores RA. Keys to Understanding and Addressing Consumer Perceptions and Concerns about Processed Foods. CEREAL FOOD WORLD 2014. [DOI: 10.1094/cfw-59-3-0141] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Y. Meneses
- Food Science and Technology Department, The Food Processing Center, University of Nebraska, Lincoln, NE, U.S.A
| | - K. J. Cannon
- Agricultural Leadership, Education and Communication Department, University of Nebraska, Lincoln, NE, U.S.A
| | - R. A. Flores
- Food Science and Technology Department, The Food Processing Center, University of Nebraska, Lincoln, NE, U.S.A
- Corresponding author.Tel: +1.402.472.1664
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22
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23
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Uvackova L, Skultety L, Bekesova S, McClain S, Hajduch M. MS(E) based multiplex protein analysis quantified important allergenic proteins and detected relevant peptides carrying known epitopes in wheat grain extracts. J Proteome Res 2013; 12:4862-9. [PMID: 24007624 DOI: 10.1021/pr400336f] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The amount of clinically relevant, allergy-related proteins in wheat grain is still largely unknown. The application of proteomics may create a platform not only for identification and characterization, but also for quantitation of these proteins. The aim of this study was to evaluate the data-independent quantitative mass spectrometry (MS(E)) approach in combination with 76 wheat allergenic sequences downloaded from the AllergenOnline database ( www.allergenonline.org ) as a starting point. Alcohol soluble extracts of gliadin and glutenin proteins were analyzed. This approach has resulted in identification and quantification of 15 allergenic protein isoforms that belong to amylase/trypsin inhibitors, γ-gliadins, and high or low molecular weight glutenins. Additionally, several peptides carrying four previously discovered epitopes of γ-gliadin B precursor have been detected. These data were validated against the UniProt database, which contained 11764 Triticeae protein sequences. The identified allergens are discussed in relation to Baker's asthma, food allergy, wheat dependent exercise induced anaphylaxis, atopic dermatitis, and celiac disease (i.e., gluten-sensitive enteropathy). In summary, the results showed that the MS(E) approach is suitable for quantitative analysis and allergens profiling in wheat varieties and/or other food matrices.
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Affiliation(s)
- Lubica Uvackova
- Institute of Plant Genetics and Biotechnology, Slovak Academy of Sciences , 950 07, Nitra, Slovakia
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24
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Sestili F, Paoletti F, Botticella E, Masci S, Saletti R, Muccilli V, Lafiandra D. Comparative proteomic analysis of kernel proteins of two high amylose transgenic durum wheat lines obtained by biolistic and Agrobacterium-mediated transformations. J Cereal Sci 2013. [DOI: 10.1016/j.jcs.2013.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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