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Han X, Wang X, Chen X, Liu H, Liu J, Waye MMY, Liu G, Rao S. Intervention Efficacy of Slightly Processed Allergen/Meat in Oral Immunotherapy for Seafood Allergy: A Systematic Review, Meta-Analysis, and Meta-Regression Analysis in Mouse Models and Clinical Patients. Nutrients 2024; 16:667. [PMID: 38474795 DOI: 10.3390/nu16050667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Background: Seafood allergy is a significant global health concern that greatly impacts a patient's quality of life. The intervention efficacy of oral immunotherapy (OIT), an emerging intervention strategy, for seafood allergy remains controversial. This study aimed to perform a systematic review and meta-analysis to evaluate the efficacy of slightly processed allergen/meat from fish and crustacea in OIT, both in mouse models and clinical patients. Methods: A comprehensive literature search was performed in four mainstream databases and the EBSCOhost database to identify all relevant case-control and cohort studies. The aim was to elucidate the intervention efficacy, encompassing various processing methods and assessing the efficacy of multiple major allergens in OIT. Results: The meta-analysis included five case-control studies on crustacean allergens in mouse models and 11 cohort studies on meat from fish and crustacea in clinical patients for final quantitative assessments. In mouse models, crustacean allergen substantially decreased the anaphylactic score after OIT treatment (mean difference (MD) = -1.30, p < 0.01). Subgroup analyses with low-level heterogeneities provided more reliable results for crab species (MD = -0.63, p < 0.01, I2 = 0), arginine kinase allergen (MD = -0.83, p < 0.01, I2 = 0), and Maillard reaction processing method (MD = -0.65, p < 0.01, I2 = 29%), respectively. In clinical patients, the main meta-analysis showed that the slightly processed meat significantly increased the incidence rate of oral tolerance (OT, incidence rate ratio (IRR) = 2.90, p < 0.01). Subgroup analyses for fish meat (IRR = 2.79, p < 0.01) and a simple cooking treatment (IRR = 2.36, p = 0.01) also demonstrated a substantial increase in the incidence rate of OT. Sensitivity and meta-regression analyses successfully identified specific studies contributing to heterogeneity in mouse models and clinical patients, although these studies did not impact the overall significant pooled effects. Conclusions: This meta-analysis provides preliminary evidence for the high intervention efficacy of slightly processed allergen/meat from fish and crustacea in OIT, both in mouse models and clinical patients. The Maillard reaction and cooking processing methods may emerge as potentially effective approaches to treating allergen/meat in OIT for clinical patients, offering a promising and specific treatment strategy for seafood allergy. However, these findings should be interpreted cautiously, and further supporting evidence is necessary.
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Affiliation(s)
- Xinyu Han
- College of Ocean Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen 361021, China
| | - Xinya Wang
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, Institute of Precision Medicine, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou 350122, China
| | - Xiaotong Chen
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, Institute of Precision Medicine, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou 350122, China
| | - Hong Liu
- College of Ocean Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen 361021, China
| | - Jingwen Liu
- College of Ocean Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen 361021, China
| | - Mary Miu Yee Waye
- The Nethersole School of Nursing, Croucher Laboratory for Human Genomics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
| | - Guangming Liu
- College of Ocean Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen 361021, China
| | - Shitao Rao
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, Institute of Precision Medicine, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou 350122, China
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
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2
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Yang P, Wang X, Wang H, Hu Y, Wen P, Tu Z. The decrease of Ara h 2 allergenicity by glycation is determined by reducing sugar chain length and isomers. Food Chem 2024; 432:137289. [PMID: 37659330 DOI: 10.1016/j.foodchem.2023.137289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 08/14/2023] [Accepted: 08/24/2023] [Indexed: 09/04/2023]
Abstract
The mechanism of the effect of reducing sugar chain length and isomers on the allergenicity of Ara h 2 after glycation was investigated. Ara h 2 was more prone to glycation with ribose which had a short chain length. The glycation sites of Ara h 2 after glycation with galactose were higher than the glycation sites in galactose's isomers-Ara h 2 conjugates, which might be affected by the configuration differences at position C-4 and the small steric effects in terminal groups -CHO of galactose. Ara h 2-ribose conjugate had the lowest allergenicity, and glycation with galactose was more capable of reducing Ara h 2 allergenicity than its isomers. The results indicated that glycation with ribose caused conformational epitope destruction and linear epitope masking of Ara h 2 greatly. Furthermore, since the small steric effects of -CHO, galactose was more capable of reducing Ara h 2 allergenicity than fructose. This study will provide a theoretical basis for selecting appropriate reducing sugars and preparing hypoallergenic products containing peanuts.
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Affiliation(s)
- Ping Yang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Xumei Wang
- College of Health, Jiangxi Normal University, Nanchang, Jiangxi 330022, China; National R&D Center of Freshwater Fish Processing and Engineering Research Center of Freshwater Fish High-value Utilization of Jiangxi Province, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Hui Wang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China.
| | - Yueming Hu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Pingwei Wen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Zongcai Tu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China; National R&D Center of Freshwater Fish Processing and Engineering Research Center of Freshwater Fish High-value Utilization of Jiangxi Province, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
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3
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Xu Y, Ahmed I, Zhao Z, Lv L. A comprehensive review on glycation and its potential application to reduce food allergenicity. Crit Rev Food Sci Nutr 2023:1-23. [PMID: 37683268 DOI: 10.1080/10408398.2023.2248510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
Food allergens are a major concern for individuals who are susceptible to food allergies and may experience various health issues due to allergens in their food. Most allergenic foods are subjected to heat treatment before being consumed. However, thermal processing and prolonged storage can cause glycation reactions to occur in food. The glycation reaction is a common processing method requiring no special chemicals or equipment. It may affect the allergenicity of proteins by altering the structure of the epitope, revealing hidden epitopes, concealing linear epitopes, or creating new ones. Changes in food allergenicity following glycation processing depend on several factors, including the allergen's characteristics, processing parameters, and matrix, and are therefore hard to predict. This review examines how glycation reactions affect the allergenicity of different allergen groups in allergenic foods.
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Affiliation(s)
- Yue Xu
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
| | - Ishfaq Ahmed
- Haide College, Ocean University of China, Qingdao, China
| | - Zhengxi Zhao
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
| | - Liangtao Lv
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
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4
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Zhao J, Wang J, Xu L, Wang H, Zhang Z, Lin H, Li Z. Insights into the Mechanism Underlying the Influence of Glycation with Different Saccharides and Temperatures on the IgG/IgE Binding Ability, Immunodetection, In Vitro Digestibility of Shrimp ( Litopenaeus vannamei) Tropomyosin. Foods 2023; 12:3049. [PMID: 37628047 PMCID: PMC10453262 DOI: 10.3390/foods12163049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/05/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Tropomyosin (TM) is a heat-stable protein that plays a crucial role as a major pan-allergen in crustacean shellfish. Despite the high thermal stability of the TM structure, its IgG/IgE binding ability, immunodetection, and in vitro digestibility can be negatively influenced by glycation during food processing, and the underlying mechanism remains unclear. In this study, TM was subjected to glycosylation using various sugars and temperatures. The resulting effects on IgG/IgE-binding capacity, immunodetection, and in vitro digestibility were analyzed, meanwhile, the structural alterations and modifications using spectroscopic and LC-MS/MS analysis were determined. Obtained results suggested that the IgG/IgE binding capacity of glycosylated TM, immunodetection recovery, and in vitro digestibility were significantly reduced depending on the degree of glycosylation, with the greatest reduction occurring in Rib-TM. These changes may be attributable to structural alterations and modifications that occur during glycosylation processing, which could mask or shield antigenic epitopes of TM (E3: 61-81, E5b: 142-162, and E5c: 157-183), subsequently reducing the immunodetection recognition and digestive enzyme degradation. Overall, these findings shed light on the detrimental impact of glycation on TMs potential allergenicity and digestibility immunodetection and provide insights into the structural changes and modifications induced by thermal processing.
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Affiliation(s)
- Jinlong Zhao
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao 266003, China; (J.Z.); (H.W.); (Z.Z.); (H.L.)
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China
| | - Jin Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China
| | - Lili Xu
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, No. 202 Gongye North Road, Jinan 250100, China;
| | - Hao Wang
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao 266003, China; (J.Z.); (H.W.); (Z.Z.); (H.L.)
| | - Ziye Zhang
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao 266003, China; (J.Z.); (H.W.); (Z.Z.); (H.L.)
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao 266003, China; (J.Z.); (H.W.); (Z.Z.); (H.L.)
| | - Zhenxing Li
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao 266003, China; (J.Z.); (H.W.); (Z.Z.); (H.L.)
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5
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Jiang S, Wang T, Chen K, Wang H, Meng X. Assessment of the effect of glycation on the allergenicity of sesame proteins. Food Res Int 2023; 168:112771. [PMID: 37120220 DOI: 10.1016/j.foodres.2023.112771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/28/2023]
Abstract
Sesame allergy is a growing concern worldwide. In this study, sesame proteins was glycated with glucose, galactose, lactose and sucrose respectively, and the allergenicity of different glycated sesame proteins were assessed by a comprehensive strategy, including simulated gastrointestinal digestion in vitro, a BALB/c mice model, a rat basophilic leukemia (RBL)-2H3 cell degranulation model and a serological experiment. Firstly, simulated gastrointestinal digestion in vitro showed that glycated sesame proteins were more easily to digest than raw sesame. Subsequently, the allergenicity of sesame proteins was assessed in vivo by detecting the allergic indexes of mice, and results showed that the levels of total immunoglobulin E (IgE) and histamine were reduced in glycated sesame proteins treated mice. Meanwhile, the Th2 cytokines (IL-4, IL-5, and IL-13) were downregulated significantly, demonstrating that sesame allergy was relieved in glycated sesame treated mice. Thirdly, the RBL-2H3 cell degranulation model results showed that the release of β-hexosaminidase and histamine were decreased to different degrees in glycated sesame proteins treated groups. Notably, the monosaccharide glycated sesame proteins exhibited lower allergenicity both in vivo and in vitro. Furthermore, the study also analyzed the structure alteration of sesame proteins, and the results showed that the secondary structure of glycated sesame proteins were changed (the content of α-helix and β-sheet were reduced), and the tertiary structure of sesame proteins after glycation modification was also changed (microenvironment around aromatic amino acids was altered). Besides, the surface hydrophobicity of glycated sesame proteins was also reduced except sucrose glycated sesame proteins. In conclusion, this study demonstrated that glycation reduced the allergenicity of sesame proteins effectively, especially glycation with monosaccharides, and the allergenicity reduction might be related to structural changes. The results will provide a new reference for developing hypoallergenic sesame products.
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6
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Wang FQ, Cheng JH, Keener KM. Changing the IgE Binding Capacity of Tropomyosin in Shrimp through Structural Modification Induced by Cold Plasma and Glycation Treatment. Foods 2023; 12:foods12010206. [PMID: 36613421 PMCID: PMC9819036 DOI: 10.3390/foods12010206] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/28/2022] [Accepted: 12/30/2022] [Indexed: 01/06/2023] Open
Abstract
Tropomyosin (TM) is the major allergen of shrimp (Penaeus chinensis). Previous studies showed that separate cold plasma or glycation have their drawback in reducing allergenicity of TM, including effectiveness and reliability. In the current study, a new processing combining cold plasma (CP) and glycation was proposed and its effect on changing IgE binding capacity of TM from shrimp was investigated. Obtained results showed the IgE binding capacity of TM was reduced by up to 40% after CP (dielectric barrier discharge, 60 kV, 1.0 A) combined with glycation treatment (4 h, 80 °C), compared with the less than 5% reduction after single CP or glycation treatment. Notably, in contrast to the general way of CP prompting glycation, this study devised a new mode of glycation with ribose after CP pretreatment. The structural changes of TM were explored to explain the decreased IgE binding reactivity. The results of multi-spectroscopies showed that the secondary and tertiary structures of TM were further destroyed after combined treatment, including the transformation of 50% α-helix to β-sheet and random coils, the modification and exposure of aromatic amino acids, and the increase of surface hydrophobicity. The morphology analysis using atomic force microscope revealed that the combined processing made the distribution of TM particles tend to disperse circularly, while it would aggregate after either processing treatment alone. These findings confirmed the unfolding and reaggregation of TM during combined processing treatment, which may result in the remarkable reduction of IgE binding ability. Therefore, the processing of CP pretreatment combined with glycation has the potential to reduce or even eliminate the allergenicity of seafood.
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Affiliation(s)
- Feng-Qi Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Jun-Hu Cheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Correspondence:
| | - Kevin M. Keener
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, ON NIG 2W1, Canada
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7
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Ma Y, Zhao S, Zhang X, Yang J, Gong J. Allergenicity of alcohol-soluble wasp pupal proteins and its impact on the gut microbiota. Clin Immunol 2022; 241:109069. [DOI: 10.1016/j.clim.2022.109069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 11/29/2022]
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8
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Yang H, Qu Y, Gao Y, Sun S, Ding R, Cang W, Wu R, Wu J. Role of the dietary components in food allergy: A comprehensive review. Food Chem 2022; 386:132762. [PMID: 35334324 DOI: 10.1016/j.foodchem.2022.132762] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 03/16/2022] [Accepted: 03/19/2022] [Indexed: 12/18/2022]
Abstract
Currently, the increasing incidence of food allergy is considered a major public health and food safety concern. Importantly, food-induced anaphylaxis is an acute, life-threatening, systemic reaction with varied clinical presentations and severity that results from the release of mediators from mast cells and basophils. Many factors are blamed for the increasing incidence of food allergy, including hygiene, microbiota (composition and diversity), inopportune complementary foods (a high-fat diet), and increasing processed food consumption. Studies have shown that different food components, including lipids, sugars, polyphenols, and vitamins, can modify the immunostimulating properties of allergenic proteins and change their bioavailability. Understanding the role of the food components in allergy might improve diagnosis, treatment, and prevention of food allergy. This review considers the role of the dietary components, including lipids, sugars, polyphenols, and vitamins, in the development of food allergy as well as results of mechanistic investigations in in vivo and in vitro models.
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Affiliation(s)
- Hui Yang
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China
| | - Yezhi Qu
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China
| | - Yaran Gao
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China
| | - Shuyuan Sun
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China
| | - Ruixue Ding
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China
| | - Weihe Cang
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China
| | - Rina Wu
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China.
| | - Junrui Wu
- College of Food Science, Shenyang Agricultural University, Engineering Research Center of Food Fermentation Technology, Liaoning, Key Laboratory of Microbial Fermentation Technology Innovation, Shenyang, Shenyang 110866, China.
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9
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Wang YT, Zhong BZ, Wang H. Analysis of the Structure and Antigenicity in Ovalbumin Modified with Six Disaccharides Through Liquid Chromatography-High-Resolution Mass Spectrometry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:3096-3108. [PMID: 35253441 DOI: 10.1021/acs.jafc.1c03488] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Melibiose, cellobiose, maltose, lactose, turanose, and isomaltulose were selected to be glycated with OVA. The number of free amino groups of OVA modified with different disaccharides decreased, and the secondary and tertiary structures of the modified OVA also changed greatly. Moreover, the glycation sites detected by HPLC-HCD-MS/MS were all on the sensitized epitopes of OVA, which reduced the binding ability of IgG and IgE of glycated OVA. In addition, the glycation sites with the highest DSP in different samples were located in the irregular coil region of OVA. Among the six disaccharides, the glycation reaction between melibiose and OVA was the most obvious. Through the analysis of disaccharide configuration, it was found that the glycation efficiency of the reducing disaccharide linked by a 1 → 6 glycoside bond was higher than that by a 1 → 4 glycoside bond, and reducing sugar with β type was better than that with α type. These findings would provide a theoretical reference for the use of different sugars in food production.
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Affiliation(s)
- Ya-Ting Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 East Nanjing Road, Nanchang 330047, Jiangxi, China
| | - Bi-Zhen Zhong
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 East Nanjing Road, Nanchang 330047, Jiangxi, China
- National R&D Center of Freshwater Fish Processing, Jiangxi Normal University, Nanchang 330022, China
- Engineering Research Center of Freshwater Fish High-value Utilization of Jiangxi Province, Jiangxi Normal University, Nanchang 330022, China
| | - Hui Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 East Nanjing Road, Nanchang 330047, Jiangxi, China
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10
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Yang Y, He XR, He SG, Liu M, Zhang YX, Xia F, Cao MJ, Su WJ, Liu GM. Two allergens from Scylla paramamosain share common epitopes showed different allergenic potential in Balb/c mice. Food Chem 2022; 371:131132. [PMID: 34555704 DOI: 10.1016/j.foodchem.2021.131132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 09/04/2021] [Accepted: 09/13/2021] [Indexed: 11/04/2022]
Abstract
Filamin C (FLN c) and triosephosphate isomerase (TIM) are novel allergens of crab (Scylla paramamosain) which are sharing common epitopes. This work aimed to assess their contributions to the induction and elicitation of allergenic responses. Balb/c mice were sensitized by intraperitoneal injections and challenged by intragastric gavage with purified proteins. Upon oral challenge, FLN c triggered more severe anaphylactic symptoms, higher levels of specific antibodies and histamine in serum than TIM, while TIM was a more active promotor of early specific antibody production and stimulated stronger Th2-biased responses. Combined with the results of in vitro assays, the data demonstrated that though with common epitopes, the two allergens showed a different allergenicity, TIM favored Th2 polarization in sensitization stage, while FLN c had a better ability to stimulate B cells and is highly immunogenic in oral challenge stage. The findings can help with the better understanding of allergenicity of crab allergens.
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Affiliation(s)
- Yang Yang
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China; College of Environment and Public Health, Xiamen Huaxia University, 288 Tianma Road, Xiamen, Fujian 361024, China
| | - Xin-Rong He
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China
| | - Shao-Gui He
- College of Environment and Public Health, Xiamen Huaxia University, 288 Tianma Road, Xiamen, Fujian 361024, China
| | - Meng Liu
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China
| | - Yong-Xia Zhang
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China
| | - Fei Xia
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China
| | - Min-Jie Cao
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China
| | - Wen-Jin Su
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China
| | - Guang-Ming Liu
- College of Ocean Food and Biological Engineering, Jimei University, 43 Yindou Road, Xiamen, Fujian 361021, China.
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11
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Maillard Reaction Induced Changes in Allergenicity of Food. Foods 2022; 11:foods11040530. [PMID: 35206007 PMCID: PMC8870895 DOI: 10.3390/foods11040530] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/09/2022] [Accepted: 02/11/2022] [Indexed: 01/27/2023] Open
Abstract
Food allergy is increasing in prevalence, posing aheavier social and financial burden. At present, there is still no widely accepted treatment for it. Methods to reduce or eliminate the allergenicity of trigger foods are urgently needed. Technological processing contributes to producing some hypoallergenic foods. Among the processing methods, the Maillard reaction (MR) is popular because neither special chemical materials nor sophisticated equipment is needed. MR may affect the allergenicity of proteins by disrupting the conformational epitope, disclosing the hidden epitope, masking the linear epitope, and/or forming a new epitope. Changes in the allergenicity of foods after processing are affected by various factors, such as the characteristics of the allergen, the processing parameters, and the processing matrix, and they are therefore variable and difficult to predict. This paper reviews the effects of MR on the allergenicity of each allergen group from common allergenic foods.
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12
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Liu J, Hu Y, Wei H, Shi W. Effect of glycation on protein structure, amino acid composition and digestibility of silver carp mince. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Junya Liu
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
| | - Yun Hu
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
| | - Huihui Wei
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
| | - Wenzheng Shi
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
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13
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Lv L, Ahmed I, Qu X, Ju G, Yang N, Guo Y, Li Z. Effect of the structure and potential allergenicity of glycated tropomyosin, the shrimp allergen. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Liangtao Lv
- Food Safety Laboratory College of Food Science and Engineering Ocean University of China Qingdao 266003 China
| | - Ishfaq Ahmed
- Food Safety Laboratory College of Food Science and Engineering Ocean University of China Qingdao 266003 China
| | - Xin Qu
- Qingdao Municipal Center for Disease Control and Prevention 175 Shandong Road, Shibei District Qingdao Shandong Province 266033 China
| | - Guangxiu Ju
- Qingdao Municipal Center for Disease Control and Prevention 175 Shandong Road, Shibei District Qingdao Shandong Province 266033 China
| | - Ni Yang
- General Surgery Ward 1 Qingdao Eighth People's Hospital 84 Fengshan Road, Licang District Qingdao Shandong Province 266100 China
| | - Yuman Guo
- Food Safety Laboratory College of Food Science and Engineering Ocean University of China Qingdao 266003 China
| | - Zhenxing Li
- Food Safety Laboratory College of Food Science and Engineering Ocean University of China Qingdao 266003 China
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Zhang Z, Li Z, Lin H. Reducing the Allergenicity of Shrimp Tropomyosin and Allergy Desensitization Based on Glycation Modification. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:14742-14750. [PMID: 34427086 DOI: 10.1021/acs.jafc.1c03953] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Shrimp is a major allergic food that could trigger severe food allergy, with the most significant and potent allergen of shrimp referred to as tropomyosin (TM). Glycation modification (Maillard reaction) could reportedly weaken the allergenicity of TM and generate hypoallergenic TM, while up to now, there is still a lack of investigations on the hypoallergenic glycated tropomyosin (GTM) as a candidate immunotherapy for desensitizing the shrimp TM-induced allergy. This study analyzed the effects of glycation modification on decreasing the allergenicity of TM and generated hypoallergenic GTM and how GTM absorbed to the Al(OH)3 function as a candidate immunotherapy for desensitizing allergy. As the results, in comparison to TM, the saccharides of smaller molecular sizes could lead to more advanced glycation end products in GTMs than saccharides of greater molecular sizes, and TM glycated by saccharides of different molecular sizes (glucose, maltose, maltotriose, maltopentaose, and maltoheptaose) exhibited lower allergenicity as a hypoallergen upon activating the allergic reactions of the mast cell and mouse model, while TM glycated by maltose had insignificant allergenicity changes upon activating the allergic reactions of the mast cell and mouse model. In addition, the hypoallergenic GTM + Al(OH)3 was efficient as a candidate immunotherapy; this work intended to offer preclinical data to promote GTM + Al(OH)3 as a candidate allergen-specific immunotherapy for desensitizing the allergy reactions for patients allergic to shrimp food.
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Affiliation(s)
- Ziye Zhang
- Laboratory of Food Safety, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, People's Republic of China
| | - Zhenxing Li
- Laboratory of Food Safety, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, People's Republic of China
| | - Hong Lin
- Laboratory of Food Safety, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, People's Republic of China
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Retzinger AC, Retzinger GS. The Acari Hypothesis, II: Interspecies Operability of Pattern Recognition Receptors. Pathogens 2021; 10:pathogens10091220. [PMID: 34578252 PMCID: PMC8468033 DOI: 10.3390/pathogens10091220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/14/2021] [Indexed: 11/16/2022] Open
Abstract
Hypersensitivity to galactose-α-1,3-galactose (α-gal) is an informative example of a pathologic IgE-mediated process. By way of their saliva, ticks are able to sensitize humans to tick dietary elements that express α-gal. Mites, which along with ticks constitute the phyletic subclass Acari, feed on proteinaceous foodstuffs that represent most, if not all, human allergens. Given: (1) the gross nature of the pathophysiological reactions of allergy, especially anaphylaxis, (2) the allergenicity of acarian foodstuffs, and (3) the relatedness of ticks and mites, it has been hypothesized that human-acarian interactions are cardinal to the pathogenesis of allergy. In this report, a means by which such interactions contribute to that pathogenesis is proposed.
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Affiliation(s)
- Andrew C. Retzinger
- Department of Emergency Medicine, Camden Clark Medical Center, West Virginia University, Parkersburg, WV 26101, USA
- Correspondence:
| | - Gregory S. Retzinger
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA;
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