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He S, Xiong M, Li L, Yan Y, Li J, Feng Z, Li Y, Zhao J, Dong Y, Li X, Chen H, Long C. One-Step Purification of IgE Epitope-Specific Antibody Using Immunomagnetic Beads and Highly Sensitive Detection of Bovine β-Lactoglobulin for the Prediction of Milk Allergenicity in Foods. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14068-14078. [PMID: 37679308 DOI: 10.1021/acs.jafc.3c03461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Bovine β-lactoglobulin (BLG) is a common allergen found in milk, and the immunoglobulin E (IgE) epitope plays a crucial role in cow milk allergy. Therefore, targeting the IgE epitope could be useful in accurately detecting BLG and assessing its allergenicity. However, producing an IgE epitope-specific antibody (IgE-EsAb) through traditional methods requires complex and time-consuming procedures. Here, IgE-EsAb was purified from rabbit anti-BLG sera by immunomagnetic beads in one step. Then, a sandwich ELISA (sELISA) based on the IgE-EsAb was developed to detect BLG and predict the potential milk allergenicity in foods. The obtained IgE-EsAb could specifically recognize the target IgE epitope of BLG and exhibited high affinity and specificity. The developed IgE-EsAb-based sELISA demonstrated an ultra-wide linear range of 3.9-1.28 × 105 ng/mL, with a limit of detection of 0.49 ng/mL for BLG. Additionally, the proposed immunoassay showed high specificity and recoveries (91.24-109.61%). The ability of the IgE-EsAb-based sELISA to evaluate the potential milk allergenicity in foods was validated using sera from cow milk allergy patients. These results suggest that immunomagnetic beads are an effective tool for rapidly obtaining the IgE-EsAb, and our proposed sELISA could be a reliable and user-friendly method for monitoring trace amounts of BLG and predicting the potential milk allergenicity of food samples.
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Affiliation(s)
- Shengfa He
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Meng Xiong
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Liming Li
- First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Yan Yan
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Jinyu Li
- First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Ziling Feng
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Yang Li
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Jiangqiang Zhao
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Yaping Dong
- School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China
| | - Xin Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Hongbing Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Caiyun Long
- Ganzhou Center for Disease Control and Prevention, Ganzhou 341000, China
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Curtiss ML, Rosenberg AF, Scharer CD, Mousseau B, Benavides NAB, Bradley JE, León B, Steele C, Randall TD, Lund FE. Chitinase-3-like 1 regulates T H2 cells, T FH cells and IgE responses to helminth infection. Front Immunol 2023; 14:1158493. [PMID: 37575256 PMCID: PMC10415220 DOI: 10.3389/fimmu.2023.1158493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023] Open
Abstract
Introduction Data from patient cohorts and mouse models of atopic dermatitis, food allergy and asthma strongly support a role for chitinase-3-like-1 protein (CHI3L1) in allergic disease. Methods To address whether Chi3l1 also contributes to TH2 responses following nematode infection, we infected Chi3l1 -/- mice with Heligmosomoides polygyrus (Hp) and analyzed T cell responses. Results As anticipated, we observed impaired TH2 responses in Hp-infected Chi3l1 -/- mice. However, we also found that T cell intrinsic expression of Chi3l1 was required for ICOS upregulation following activation of naïve CD4 T cells and was necessary for the development of the IL-4+ TFH subset, which supports germinal center B cell reactions and IgE responses. We also observed roles for Chi3l1 in TFH, germinal center B cell, and IgE responses to alum-adjuvanted vaccination. While Chi3l1 was critical for IgE humoral responses it was not required for vaccine or infection-induced IgG1 responses. Discussion These results suggest that Chi3l1 modulates IgE responses, which are known to be highly dependent on IL-4-producing TFH cells.
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Affiliation(s)
- Miranda L. Curtiss
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Alabama Birmingham (UAB), Birmingham, AL, United States
- Department of Medicine, Section of Allergy and Immunology, Birmingham VA Medical Center, Birmingham, AL, United States
| | - Alexander F. Rosenberg
- Department of Microbiology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
- Informatics Institute, University of Alabama at Birmingham, Birmingham, AL, United States
| | | | - Betty Mousseau
- Department of Microbiology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
| | - Natalia A. Ballesteros Benavides
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Alabama Birmingham (UAB), Birmingham, AL, United States
- Department of Microbiology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
| | - John E. Bradley
- Department of Medicine, Division of Rheumatology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
| | - Beatriz León
- Department of Microbiology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
| | - Chad Steele
- Department of Microbiology and Immunology, Tulane University, New Orleans, LA, United States
| | - Troy D. Randall
- Department of Medicine, Division of Rheumatology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
| | - Frances E. Lund
- Department of Microbiology, University of Alabama Birmingham (UAB), Birmingham, AL, United States
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Zhao J, Timira V, Ahmed I, Chen Y, Wang H, Zhang Z, Lin H, Li Z. Crustacean shellfish allergens: influence of food processing and their detection strategies. Crit Rev Food Sci Nutr 2022; 64:3794-3822. [PMID: 36263970 DOI: 10.1080/10408398.2022.2135485] [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] [Indexed: 11/03/2022]
Abstract
Despite the increasing popularity of crustacean shellfish among consumers due to their rich nutrients, they can induce a serious allergic response, sometimes even life-threatening. In the past decades, a variety of crustacean allergens have been identified to facilitate the diagnosis and management of crustacean allergies. Although food processing techniques can ease the risk of crustacean shellfish allergy, no available processing methods to tackle crustacean allergies thoroughly. Strict dietary avoidance of crustacean shellfish and its component is the best option for the protection of sensitized individuals, which should rely on the compliance of food labeling and, as such, on their verification by sensitive, reliable, and accurate detection techniques. In this present review, the physiochemical properties, structure aspects, and immunological characteristics of the major crustacean allergens have been described and discussed. Subsequently, the current research progresses on how various processing techniques cause the alterations and modifications in crustacean allergens to produce hypoallergenic crustacean food products were summarized and discussed. Particularly, various analytical methodologies employed in crustacean shellfish allergen detection, and the effect of food processing and matrix on these techniques, are also herein emphasized for the appropriate selection of analytical detection tools to safeguard consumers safety.
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Affiliation(s)
- Jinlong Zhao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Vaileth Timira
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Ishfaq Ahmed
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Yan Chen
- China National Center for Food Safety Risk Assessment, Chaoyang District, Beijing, P.R. China
| | - Hao Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Ziye Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Zhenxing Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
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Pazos-Castro D, Margain C, Gonzalez-Klein Z, Amores-Borge M, Yuste-Calvo C, Garrido-Arandia M, Zurita L, Esteban V, Tome-Amat J, Diaz-Perales A, Ponz F. Suitability of potyviral recombinant virus-like particles bearing a complete food allergen for immunotherapy vaccines. Front Immunol 2022; 13:986823. [PMID: 36159839 PMCID: PMC9492988 DOI: 10.3389/fimmu.2022.986823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Virus-like particles (VLPs) have been gaining attention as potential platforms for delivery of cargos in nanomedicine. Although animal viruses are largely selected due to their immunostimulatory capacities, VLPs from plant viruses constitute a promising alternative to be considered. VLPs derived from Turnip mosaic virus (TuMV) have proven to present a tridimensional structure suited to display molecules of interest on their surface, making them interesting tools to be studied in theragnostic strategies. Here, we study their potential in the treatment of food allergy by genetically coupling TuMV-derived VLPs to Pru p 3, one of the most dominant allergens in Mediterranean climates. VLPs-Pru p 3 were generated by cloning a synthetic gene encoding the TuMV coat protein and Pru p 3, separated by a linker, into a transient high-expression vector, followed by agroinfiltration in Nicotiana benthamiana plants. The generated fusion protein self-assembled in planta to form the VLPs, which were purified by exclusion chromatography. Their elongated morphology was confirmed by electron microscopy and their size (~400 nm), and monodispersity was confirmed by dynamic light scattering. Initial in vitro characterization confirmed that they were able to induce proliferation of human immune cells. This proliferative capability was enhanced when coupled with the natural lipid ligand of Pru p 3. The resultant formulation, called VLP-Complex, was also able to be transported by intestinal epithelial cells, without affecting the monolayer integrity. In light of all these results, VLP-Complex was furtherly tested in a mouse model of food allergy. Sublingual administration of VLP-Complex could effectively reduce some serological markers associated with allergic responses in mice, such as anti-Pru p 3 sIgE and sIgG2a. Noteworthy, no associated macroscopic, nephritic, or hepatic toxicity was detected, as assessed by weight, blood urea nitrogen (BUN) and galectin-3 analyses, respectively. Our results highlight the standardized production of allergen-coated TuMV-VLPs in N. benthamiana plants. The resulting formula exerts notable immunomodulatory properties without the need for potentially hazardous adjuvants. Accordingly, no detectable toxicity associated to their administration was detected. As a result, we propose them as good candidates to be furtherly studied in the treatment of immune-based pathologies.
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Affiliation(s)
- Diego Pazos-Castro
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain,Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain
| | - Clémence Margain
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
| | - Zulema Gonzalez-Klein
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain,Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain
| | - Marina Amores-Borge
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain,Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain
| | - Carmen Yuste-Calvo
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
| | - Maria Garrido-Arandia
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain,Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain
| | - Lucía Zurita
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
| | - Vanesa Esteban
- Department of Allergy and Immunology, Instituto de Investigación Sanitaria (IIS)-Fundación Jiménez Díaz, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Jaime Tome-Amat
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
| | - Araceli Diaz-Perales
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain,Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain,*Correspondence: Araceli Diaz-Perales, ; Fernando Ponz,
| | - Fernando Ponz
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria / Consejo Superior de Investigaciones Científicas (UPM–INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain,*Correspondence: Araceli Diaz-Perales, ; Fernando Ponz,
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Hollstein MM, Matzke SS, Lorbeer L, Forkel S, Fuchs T, Lex C, Buhl T. Intracutaneous Skin Tests and Serum IgE Levels Cannot Predict the Grade of Anaphylaxis in Patients with Insect Venom Allergies. J Asthma Allergy 2022; 15:907-918. [PMID: 35836970 PMCID: PMC9274911 DOI: 10.2147/jaa.s367272] [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: 03/21/2022] [Accepted: 06/23/2022] [Indexed: 11/29/2022] Open
Abstract
Background Allergies against Hymenoptera venoms are a major cause of severe anaphylaxis. Risk assessment for subjects with suspected allergy is difficult because there are currently no biomarkers that predict the likelihood of high-grade anaphylaxis other than several associated comorbidities. Objective We investigated the relationship between the severity of anaphylaxis and the results of intracutaneous skin tests (ICTs) together with serum levels of tryptase, total IgE, and venom-specific IgE, IgG, and IgG4. Methods We performed a retrospective evaluation of 194 patients who presented to a single medical center with allergies to bee venoms (Apis mellifera, Bombus spp.; n=24, 12.4%), vespid venoms (Vespula spp., Vespa spp., Polistes spp.; n=169, 87.1%), or both (n=1, 0.5%). Results Index bee stings occurred earlier in the year than vespid stings, although the latter were reported more frequently overall. On average, subjects who previously experienced grade IV anaphylaxis required higher dosages of venom to yield positive ICTs than those who exhibited lower grade responses. Patients diagnosed with grade IV anaphylaxis exhibited significantly lower levels of venom-specific IgE and IgG and trended toward elevated levels of tryptase. No significant differences in average levels of venom-specific IgG4 and total IgE were observed. Conclusion Our findings reveal that intracutaneous skin testing and levels of venom-specific IgE do not predict the degree of anaphylaxis that develops in patients with venom allergy. Furthermore, the month of the index sting is not a reliable means to differentiate bee from vespid stings in patients presenting with an uncertain history.
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Affiliation(s)
- Moritz M Hollstein
- Department of Dermatology, Venereology and Allergology, University Medical Centre Göttingen, Göttingen, Germany
| | - Silke S Matzke
- Department of Dermatology, Venereology and Allergology, University Medical Centre Göttingen, Göttingen, Germany
| | - Lisa Lorbeer
- Department of Dermatology, Venereology and Allergology, University Medical Centre Göttingen, Göttingen, Germany
| | - Susann Forkel
- Department of Dermatology, Venereology and Allergology, University Medical Centre Göttingen, Göttingen, Germany
| | - Thomas Fuchs
- Department of Dermatology, Venereology and Allergology, University Medical Centre Göttingen, Göttingen, Germany
| | - Christiane Lex
- Department of Pediatric Cardiology, Intensive Care Medicine and Neonatology with Pediatric Pneumology, University Medical Centre Göttingen, Göttingen, Germany
| | - Timo Buhl
- Department of Dermatology, Venereology and Allergology, University Medical Centre Göttingen, Göttingen, Germany
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Tuppo L, Giangrieco I, Tamburrini M, Alessandri C, Mari A, Ciardiello MA. Detection of Allergenic Proteins in Foodstuffs: Advantages of the Innovative Multiplex Allergen Microarray-Based Immunoassay Compared to Conventional Methods. Foods 2022; 11:foods11060878. [PMID: 35327300 PMCID: PMC8949930 DOI: 10.3390/foods11060878] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 03/12/2022] [Accepted: 03/17/2022] [Indexed: 02/04/2023] Open
Abstract
Several factors can affect the allergen content and profile of a specific food, including processing procedures often leading to a decrease in allergenicity, although no change, or even an increase, have also been reported. Evaluation of the effectiveness of a processing procedure requires the availability of reliable methodologies to assess the variation in molecules able to induce allergic reactions in the analyzed food. Conventional and innovative strategies and methodologies can be exploited to identify allergenic proteins in foodstuffs. However, depending on the specific purposes, different methods can be used. In this review, we have critically reviewed the advantages of an innovative method, the multiplex allergen microarray-based immunoassay, in the detection of allergens in foodstuffs. In particular, we have analyzed some studies reporting the exploitation of an IgE-binding inhibition assay on multiplex allergen biochips, which has not yet been reviewed in the available literature. Unlike the others, this methodology enables the identification of many allergenic proteins, some of which are still unknown, which are recognized by IgE from allergic patients, with a single test. The examined literature suggests that the inhibition test associated with the multiplex allergen immunoassay is a promising methodology exploitable for the detection of IgE-binding proteins in food samples.
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Affiliation(s)
- Lisa Tuppo
- Institute of Biosciences and BioResources (IBBR), CNR, 80131 Naples, Italy; (L.T.); (I.G.); (M.T.)
| | - Ivana Giangrieco
- Institute of Biosciences and BioResources (IBBR), CNR, 80131 Naples, Italy; (L.T.); (I.G.); (M.T.)
| | - Maurizio Tamburrini
- Institute of Biosciences and BioResources (IBBR), CNR, 80131 Naples, Italy; (L.T.); (I.G.); (M.T.)
| | - Claudia Alessandri
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy; (C.A.); (A.M.)
- Allergy Data Laboratories (ADL), 04100 Latina, Italy
| | - Adriano Mari
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy; (C.A.); (A.M.)
- Allergy Data Laboratories (ADL), 04100 Latina, Italy
| | - Maria Antonietta Ciardiello
- Institute of Biosciences and BioResources (IBBR), CNR, 80131 Naples, Italy; (L.T.); (I.G.); (M.T.)
- Correspondence:
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