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Pałgan K, Tretyn A. Platelet-activating factor as an endogenous cofactor of food anaphylaxis. Biofactors 2023; 49:976-983. [PMID: 37203358 DOI: 10.1002/biof.1956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 03/02/2023] [Indexed: 05/20/2023]
Abstract
Anaphylaxis is a severe, acute, life-threatening generalized or systemic hypersensitivity reaction. The incidence of anaphylaxis is increasing worldwide, with medications and food contributing to most cases. Physical exercise, acute infections, drugs, alcohol, and menstruation are the external cofactors associated with more severe systemic reaction. The aim of this review is to show that platelet-activating factor contributes to the development of severe anaphylactic reaction, and even to anaphylactic shock.
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Affiliation(s)
- Krzysztof Pałgan
- Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Andrzej Tretyn
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Toruń, Poland
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2
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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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3
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Kulumbegov B, Gotua M. Case report-wheat-dependent exercise-induced anaphylaxis in a patient with chronic spontaneous urticaria: A diagnostic challenge. SAGE Open Med Case Rep 2023; 11:2050313X231175851. [PMID: 37250818 PMCID: PMC10214087 DOI: 10.1177/2050313x231175851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 04/27/2023] [Indexed: 05/31/2023] Open
Abstract
Wheat-dependent exercise-induced anaphylaxis is a rare but severe form of anaphylaxis that occurs after consuming wheat products and engaging in physical activity. A case study of a 30-year-old woman suffering from chronic urticaria for the last 5 years highlights the difficulty in diagnosing this condition, as specific triggers were not identified. A diagnostic study called MADx revealed a positive analysis for omega-5-gliadin, leading to a diagnosis of wheat-dependent exercise-induced anaphylaxis. Delayed diagnosis is a common issue, and it can be challenging to distinguish wheat-dependent exercise-induced anaphylaxis from other conditions with similar symptoms. The treatment involves avoiding wheat products and always carrying an epinephrine auto-injector. When evaluating patients with similar symptoms, healthcare providers should include wheat-dependent exercise-induced anaphylaxis in their differential diagnosis. Patients should be educated about the symptoms, triggers, and management to seek immediate medical attention in an emergency.
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Affiliation(s)
- Bidzina Kulumbegov
- Center of Allergy and Immunology,
Tbilisi, Georgia
- Tbilisi State Medical University,
Tbilisi, Georgia
| | - Maia Gotua
- Center of Allergy and Immunology,
Tbilisi, Georgia
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4
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Du Z, Li L, Liu J, Xu Y, Cui L, Yin J. Clinical profiles of patients with wheat-induced anaphylaxis at various ages of onset. World Allergy Organ J 2023; 16:100767. [PMID: 37128249 PMCID: PMC10148224 DOI: 10.1016/j.waojou.2023.100767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/16/2023] [Accepted: 03/27/2023] [Indexed: 05/03/2023] Open
Abstract
Background Wheat-induced anaphylaxis (WIA) is a serious and potentially life-threatening wheat allergy, more common in adults than in children. Little is known about the differences in clinical profiles in WIA among patients of various ages in China. Methods We analyzed data retrospectively from an allergy department in a tertiary hospital that included 248 patients (208 adults and 40 children and adolescents) with a history of WIA. Results We found that alcohol was more frequent in patients aged ≥50 years [older adults] (19.0%, 4/21) than in those aged 12-17 years [adolescents] (0%, 0/33; p = 0.019). The frequency of NSAID use in older adults (42.9%, 9/21) was significantly higher than that in adolescents (0%, 0/33; p < 0.001), and patients aged 18-49 years [young adults] (2.8%, 5/178; p < 0.001). During WIA, cardiovascular symptoms in children were less frequent than those in other age groups (children, 28.6%; adolescents, 87.9%; young adults, 93.0%; older adults, 95.2%; p < 0.001). The consciousness loss rate in adults (both age groups; p < 0.001) and the hypotension rate in older adults (p = 0.006) were higher than those in other age groups. Compared with adults (young and older adults), children had a higher rate of allergic comorbidities (p = 0.004, 0.001, respectively) and a higher rate of other food allergies (p < 0.001, <0.001, respectively). Compared with the mild-to-moderate anaphylaxis group, the severe anaphylaxis group had a higher onset age (p = 0.001), higher cofactor prevalence (p = 0.004), lower allergic comorbidity rate (p = 0.014), and higher positive rate of specific IgE to omega-5 gliadin (ω-5 gliadin) (p = 0.023). Conclusion Clinical profiles of patients with WIA are different among various onset age/severity groups. An improved understanding of WIA symptoms in various age/severity groups could help accelerate diagnosis, suggest preventive measures, and contribute to improved patient care.
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Affiliation(s)
- Zhirong Du
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
- Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Lun Li
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
- Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Juan Liu
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
- Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Yingyang Xu
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
- Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Le Cui
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
- Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Jia Yin
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
- Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
- Corresponding author. Department of Allergy, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China.
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Kulthanan K, Ungprasert P, Jirapongsananuruk O, Rujitharanawong C, Munprom K, Trakanwittayarak S, Pochanapan O, Panjapakkul W, Maurer M. Food-Dependent Exercise-Induced Wheals, Angioedema, and Anaphylaxis: A Systematic Review. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:2280-2296. [PMID: 35752432 DOI: 10.1016/j.jaip.2022.06.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 05/24/2022] [Accepted: 06/06/2022] [Indexed: 05/03/2023]
Abstract
BACKGROUND Food-dependent exercise-induced wheals, angioedema, and anaphylaxis remain insufficiently characterized. OBJECTIVE We systematically reviewed the literature on clinical manifestations, laboratory investigations, culprit foods, triggering exercise, comorbidities, and treatment outcomes. METHODS Using predefined search terms and Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) recommendations, we searched 3 electronic databases to identify relevant literature published before July 2021. RESULTS Of 722 patients (median age 25 years; 55.4% male) from 231 studies (43 cohort studies, 15 cases series, and 173 case reports), 79.6% and 3.7% had anaphylaxis with and without wheals and/or angioedema, respectively. The remaining 16.6% had wheals and/or angioedema without anaphylaxis. The duration from eating to exercising and from exercising to symptom onset ranged from 5 minutes to 6 hours (median 1 hour) and from 5 minutes to 5 hours (median 30 minutes), respectively, and virtually all patients exercised within 4 hours after eating and developed symptoms within 1 hour after exercising. Wheat was the most common culprit food. Running was the most common trigger exercise. Most patients were atopic, and 1 in 3 had a history of urticaria. Aspirin and wheat-based products were the most frequent augmenting factors. On-demand antihistamines, corticosteroids, and epinephrine were commonly used and reported to be effective. Patients who stopped eating culprit foods before exercise no longer developed food-dependent exercise-induced allergic reactions. CONCLUSIONS Food-dependent exercise-induced allergic reactions are heterogeneous in their clinical manifestations, triggers, and response to treatment. Patients benefit from avoidance of culprit foods before exercise, which highlights the need for allergological diagnostic workup and guidance.
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Affiliation(s)
- Kanokvalai Kulthanan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Patompong Ungprasert
- Department of Rheumatic and Immunologic Diseases, Cleveland Clinic, Cleveland, Ohio
| | - Orathai Jirapongsananuruk
- Division of Allergy and Immunology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chuda Rujitharanawong
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Kanyalak Munprom
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Oraya Pochanapan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Waratchaya Panjapakkul
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Marcus Maurer
- Institute of Allergology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Allergology and Immunology, Berlin, Germany.
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6
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Du Z, Gao X, Li J, Li L, Liu J, Yin J. Clinical features and outcomes of patients with wheat-dependent exercise-induced anaphylaxis: a retrospective study. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2022; 18:61. [PMID: 35791000 PMCID: PMC9254488 DOI: 10.1186/s13223-022-00702-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 06/27/2022] [Indexed: 11/29/2022]
Abstract
Background Wheat-dependent exercise-induced anaphylaxis (WDEIA) is a serious and potentially life-threatening form of wheat allergy. Further episodes can only be prevented by avoiding wheat ingestion or avoiding exercise after wheat intake. Anaphylaxis may recur in some patients post-diagnosis. This study aimed to analyze the clinical features and management/outcomes of WDEIA in China. Methods We retrospectively analyzed the clinical characteristics, and laboratory testing of 197 patients with WDEIA. After diagnosis, the patients were followed up as outpatients to evaluate dietary/exercise choice and clinical outcomes. Results Among the 197 WDEIA patients (median age, 37 years), 53.8% were male and 28.4% had other allergic disorders. The median duration of anaphylaxis before diagnosis was 16 months. Significant delays in diagnosis (> 1 years) were recorded in 52.7% of the patients, which has not decreased by years (P = 0.064). Exercise (83.8%), alcohol (12.2%), and nonsteroidal anti-inflammatory drugs (7.1%) were the most common cofactors. The most common clinical features were urticaria (100%), loss of consciousness (82.7%), dyspnea (50.8%), and hypotension (47.2%). Of the 197 eligible patients, 155 responded (78.7%), and 124 (80.0%) of which had no anaphylaxis post-diagnosis. A wheat-free diet prevented future anaphylaxis in 91.7% of the patients, followed by the avoidance of wheat combined with exercise (87%) and reduced wheat intake combined with exercise avoidance (80.5%). Conclusion The diagnosis of WDEIA is frequently delayed. Therefore, when patients present with unexplained anaphylaxis, the possibility of WDEIA should be considered. A wheat-free diet or avoiding wheat combined with exercise or reduced wheat combined with exercise avoidance helps to significantly reduce the onset of future anaphylaxis. However, approximately one-fifth of patients continue to experience anaphylaxis post-diagnosis. Thus, these patients must always carry epinephrine autoinjectors. Supplementary Information The online version contains supplementary material available at 10.1186/s13223-022-00702-1.
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Affiliation(s)
- Zhirong Du
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China.,Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Xiang Gao
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China.,Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Junda Li
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China.,Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Lun Li
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China.,Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Juan Liu
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China.,Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China
| | - Jia Yin
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Street, Wangfujing, Beijing, 100730, China. .,Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, 100730, China. .,National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, 100730, China.
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7
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Zubrinich C, Puy R, O'Hehir R, Hew M. Evaluation of Diagnosis and Management of Omega-5-Gliadin Allergy: A Retrospective Survey. J Asthma Allergy 2021; 14:397-403. [PMID: 33907425 PMCID: PMC8068513 DOI: 10.2147/jaa.s304444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/17/2021] [Indexed: 01/18/2023] Open
Abstract
Background Allergy to the omega-5-gliadin component of gluten (O-5-G allergy) often manifests when wheat ingestion is followed by a co-factor, usually exercise. There is no established best approach to management. Objective We sought to identify the beneficial effects, firstly of establishing a firm diagnosis, and secondly of stringent management, either by avoiding gluten ingestion altogether or separating it temporally from exercise by at least 4 hours. We also determined how frequently patients adhered to their physicians' clinical recommendations. Methods We undertook a survey of individuals diagnosed with O-5-G allergy at our institution over 8 years, who had a consistent clinical history and confirmatory laboratory evidence. Results Of 80 eligible individuals, 43 responded (54%). Symptoms began in adulthood for all bar one, and concurrent asthma and eczema was uncommon (9% prevalence, respectively). Median time to diagnosis was 2 years. Achieving a diagnosis reduced the rate of reactions (0.35 per month vs 1.085 reactions per month, p=0.029). Many patients (10/43) did not adhere to the recommended stringent approach, to either avoid wheat/gluten or separate food and exercise by 4 hours. However, those adopting a stringent approach had a substantially lower risk of recurrent allergic reaction (0.22 per month vs 0.74 per month, p=0.004). Conclusion The epidemiology of O-5-G allergy implies pathogenic mechanisms potentially distinct from those of childhood-onset food allergy. Accurate diagnosis improves the clinical trajectory, primarily through the adoption of a stringent management approach.
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Affiliation(s)
- Celia Zubrinich
- Allergy, Asthma & Clinical Immunology, Alfred Health, Melbourne, Victoria, Australia.,School of Public Health & Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Robert Puy
- Allergy, Asthma & Clinical Immunology, Alfred Health, Melbourne, Victoria, Australia.,Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Robyn O'Hehir
- Allergy, Asthma & Clinical Immunology, Alfred Health, Melbourne, Victoria, Australia.,Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Mark Hew
- Allergy, Asthma & Clinical Immunology, Alfred Health, Melbourne, Victoria, Australia.,School of Public Health & Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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Kraft M, Dölle-Bierke S, Renaudin JM, Ruëff F, Scherer Hofmeier K, Treudler R, Pföhler C, Hawranek T, Poziomkowska-Gęsicka I, Jappe U, Christoff G, Müller S, Fernandez-Rivas M, García BE, De Vicente Jiménez TM, Cardona V, Kleinheinz A, Kreft B, Bauer A, Wagner N, Wedi B, Wenzel M, Bilò MB, Worm M. Wheat Anaphylaxis in Adults Differs from Reactions to Other Types of Food. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:2844-2852.e5. [PMID: 33831620 DOI: 10.1016/j.jaip.2021.03.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/04/2021] [Accepted: 03/17/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Wheat is one of the most commonly consumed foods and a known elicitor of anaphylaxis in children and adults. Reactions in adults are often cofactor dependent and characterized by a prolonged time between food intake and the onset of symptoms making the diagnosis of wheat anaphylaxis challenging. OBJECTIVE To characterize a cohort of patients with the history of wheat anaphylaxis to better understand this atypical phenotype of anaphylaxis. METHODS Data from the European Anaphylaxis Registry from 2007 to 2019 (n = 10,636) including 250 patients (213 adults and 37 children) with a history of anaphylaxis caused by wheat were analyzed. RESULTS Wheat was the most common food elicitor of anaphylaxis in adults in the registry in Central Europe. Reactions to wheat in adults were frequently associated with exercise as a cofactor (82.8%) and partially delayed (57.5%). Only 36.9% of patients had atopic comorbidities, which was uncommonly low for adult patients allergic to other kinds of foods (63.2%). Anaphylaxis to wheat presented frequently with cardiovascular symptoms (86.7%) including severe symptoms such as loss of consciousness (41%) and less often with respiratory symptoms (53.6%). The reactions to wheat were more severe than reactions to other foods (odds ratio [OR] = 4.33), venom (OR = 1.58), or drugs (OR = 2.11). CONCLUSIONS Wheat is a relevant elicitor of anaphylaxis in adults in Central Europe. Wheat anaphylaxis is highly dependent on the presence of cofactors and less frequently associated with atopic diseases compared with other food allergies. More data on mechanisms of wheat-induced anaphylaxis are required to develop preventive measures for this potentially life-threatening disease.
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Affiliation(s)
- Magdalena Kraft
- Division of Allergy and Immunology, Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Emergency Medicine, University Hospital Halle (Saale), Medical Faculty of Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Sabine Dölle-Bierke
- Division of Allergy and Immunology, Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jean-Marie Renaudin
- Presidency on behalf of Allergy Vigilance Network, Vandoeuvre les Nancy, France
| | - Franziska Ruëff
- Department of Dermatology and Allergology, Klinikum der Universität München, Munich, Germany
| | - Kathrin Scherer Hofmeier
- Division of Allergy, Department of Dermatology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Regina Treudler
- Department of Dermatology, Venereology and Allergology and Leipzig Interdisciplinary Center of Allergology (LICA) Comprehensive Allergy Center, University Hospital, Leipzig, Germany
| | - Claudia Pföhler
- Department of Dermatology, The Saarland University Medical Center, Homburg/Saar, Germany
| | - Thomas Hawranek
- Department of Dermatology and Allergology, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria
| | | | - Uta Jappe
- Division of Clinical and Molecular Allergology, Research Center Borstel, Airway Research Center North (ARCN), German Center for Lung Research, Borstel, Germany; Interdisciplinary Allergy Outpatient Clinic, Department of Pneumology, University of Lübeck, Lübeck, Germany
| | - George Christoff
- Faculty of Public Health, Medical University - Sofia, Sofia, Bulgaria; Allergy Out-patient Department, Acibadem CityClinic, Tokuda Medical Centre, Sofia, Bulgaria
| | - Sabine Müller
- Department of Dermatology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Montserrat Fernandez-Rivas
- Department of Allergy, Hospital Clinico San Carlos, Universidad Complutense, IdISSC, ARADyAL, Madrid, Spain
| | - Blanca E García
- Allergology Service, Complejo Hospitalario de Navarra, Pamplona, Spain
| | | | - Victoria Cardona
- Allergy Section, Department of Internal Medicine, Hospital Vall d'Hebron, Barcelona, Spain; ARADyAL Research Network, Spain
| | | | - Burkhard Kreft
- Department of Dermatology and Venereology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Andrea Bauer
- Department of Dermatology, University Allergy Center, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Nicola Wagner
- Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Bettina Wedi
- Department of Dermatology and Allergy, Comprehensive Allergy Center, Hannover Medical School, Hannover, Germany
| | - Markus Wenzel
- Allergy Department, Fachkrankenhaus Kloster Grafschaft, Schmallenberg, Germany
| | - Maria Beatrice Bilò
- Department of Clinical and Molecular Sciences, Marche Polytechnic University - Allergy Unit, University Hospital Ospedali Riuniti di Ancona, Ancona, Italy
| | - Margitta Worm
- Division of Allergy and Immunology, Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
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9
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Assessment of the potential allergenicity and toxicity of Pichia proteins in a novel leghemoglobin preparation. Regul Toxicol Pharmacol 2021; 119:104817. [DOI: 10.1016/j.yrtph.2020.104817] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/16/2020] [Accepted: 10/30/2020] [Indexed: 01/03/2023]
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10
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Wongteerayanee C, Tanticharoenwiwat P, Rutrakool N, Senavonge A, Jeekungwal N, Pacharn P, Vichyanond P. Feasibility of a 3-step protocol of wheat oral immunotherapy in children with severe wheat allergy. Asia Pac Allergy 2020; 10:e38. [PMID: 33178563 PMCID: PMC7610086 DOI: 10.5415/apallergy.2020.10.e38] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Accepted: 10/19/2020] [Indexed: 11/25/2022] Open
Abstract
Background Wheat allergy is not an uncommon event among Thai children. Despite strict avoidance, some patients developed reactions after accidental exposure to minute amount of wheat and thus disturbed their quality of life. Wheat oral immunotherapy (OIT) has been reported to be an alternative treatment for such patients. Objective We designed a new 3-step wheat OIT protocol for treatment of severe wheat allergy in Thai patients. The feasibility of the protocol is evaluated and is reported here in this paper. Methods We retrospectively reviewed medical records of 26 patients who had undergone wheat OIT during a 30-month period. The 3-step protocol consisted of an initial phase of double-blind, placebo-controlled food challenge (DBPCFC) and initiation of OIT, a build-up phase, and a maintenance phase. Patient retention in the protocol was the main outcome for this feasibility study. Adverse effects during OIT were recorded. Correlation between serum specific IgE (SpIgE) to wheat and eliciting dose in phase I was determined. Results Fourteen females and 12 males with a median age of 6 years were studied. Their median age when wheat allergy began was 8 months. Median SpIgE to wheat was high (198 kUA/L). All patients developed reactions during DBPCFC with 17 of 26 patients had moderate to severe reactions required adrenaline injections. Median of eliciting dose of wheat was exceedingly low, i.e., 20 mg of wheat protein. At the end of the study, 23 of 26 patients (88%) were still in the study. Adverse reactions during the build-up phase was frequent (13 patients, 50%), with adrenaline required in 6 occasions. Six patients reached maintenance phase. Conclusion The new 3-step wheat OIT protocol was feasible in these highly wheat-sensitized patients. Despite a high retention rate, a high rate of adverse effects was observed both during DBPCFC and build-up phases.
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Affiliation(s)
| | | | - Nuntanut Rutrakool
- Samitivej Allergy Institute (SAI), Samitivej Thonburi Hospital, Bangkok, Thailand
| | - Anchalee Senavonge
- Samitivej Allergy Institute (SAI), Samitivej Thonburi Hospital, Bangkok, Thailand
| | - Nivat Jeekungwal
- Samitivej Allergy Institute (SAI), Samitivej Thonburi Hospital, Bangkok, Thailand
| | - Punchama Pacharn
- Samitivej Allergy Institute (SAI), Samitivej Thonburi Hospital, Bangkok, Thailand.,Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand
| | - Pakit Vichyanond
- Samitivej Allergy Institute (SAI), Samitivej Thonburi Hospital, Bangkok, Thailand.,Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand
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