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Giangrieco I, Ciardiello MA, Tamburrini M, Tuppo L, Mari A, Alessandri C. Plant and Arthropod IgE-Binding Papain-like Cysteine Proteases: Multiple Contributions to Allergenicity. Foods 2024; 13:790. [PMID: 38472904 DOI: 10.3390/foods13050790] [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: 01/15/2024] [Revised: 02/05/2024] [Accepted: 03/01/2024] [Indexed: 03/14/2024] Open
Abstract
Papain-like cysteine proteases are widespread and can be detected in all domains of life. They share structural and enzymatic properties with the group's namesake member, papain. They show a broad range of protein substrates and are involved in several biological processes. These proteases are widely exploited for food, pharmaceutical, chemical and cosmetic biotechnological applications. However, some of them are known to cause allergic reactions. In this context, the objective of this review is to report an overview of some general properties of papain-like cysteine proteases and to highlight their contributions to allergy reactions observed in humans. For instance, the literature shows that their proteolytic activity can cause an increase in tissue permeability, which favours the crossing of allergens through the skin, intestinal and respiratory barriers. The observation that allergy to PLCPs is mostly detected for inhaled proteins is in line with the reports describing mite homologs, such as Der p 1 and Der f 1, as major allergens showing a frequent correlation between sensitisation and clinical allergic reactions. In contrast, the plant food homologs are often digested in the gastrointestinal tract. Therefore, they only rarely can cause allergic reactions in humans. Accordingly, they are reported mainly as a cause of occupational diseases.
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Affiliation(s)
- Ivana Giangrieco
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy
| | | | - Maurizio Tamburrini
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy
| | - Lisa Tuppo
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy
| | - Adriano Mari
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy
- Allergy Data Laboratories (ADL), 04100 Latina, Italy
| | - Claudia Alessandri
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy
- Allergy Data Laboratories (ADL), 04100 Latina, Italy
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Giangrieco I, Ciardiello MA, Tamburrini M, Tuppo L, Rafaiani C, Mari A, Alessandri C. Comparative Analysis of the Immune Response and the Clinical Allergic Reaction to Papain-like Cysteine Proteases from Fig, Kiwifruit, Papaya, Pineapple and Mites in an Italian Population. Foods 2023; 12:2852. [PMID: 37569122 PMCID: PMC10417190 DOI: 10.3390/foods12152852] [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: 06/20/2023] [Revised: 07/09/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Several plant papain-like cysteine proteases are exploited by the food, cosmetic, pharmaceutical and textile industries. However, some of these enzymes can cause allergic reactions. In this context, we investigated the frequency of sensitization and allergic reactions to some fruit and/or latex cysteine proteases, which are used as additives by the food industry to improve and modify the quality of their products. The FABER test was used to analyse the patients' sensitization towards five plants and, for comparison, two homologous mite cysteine proteases. In an Italian population of 341 allergic patients, 133 (39%) had IgE specific for at least one of the seven cysteine proteases under investigation. Most of the patients were IgE positive for Der p 1 and/or Der f 1 (96.38%) reported a clinical history suggestive of respiratory allergy to mites, whereas none of the subjects sensitized to the homologs from papaya, pineapple and fig reported allergy symptoms following ingestion of these foods. Only one patient referred symptoms from ingesting kiwifruit. Therefore, the obtained results showed that sensitization to the fruit enzymes was only rarely concomitant with allergic reactions. These observations, together with the literature reports, suggest that the allergy to plant papain-like cysteine proteases might mainly be an occupational disease.
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Affiliation(s)
- Ivana Giangrieco
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy; (I.G.); (M.T.); (L.T.)
| | - Maria Antonietta Ciardiello
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy; (I.G.); (M.T.); (L.T.)
| | - Maurizio Tamburrini
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy; (I.G.); (M.T.); (L.T.)
| | - Lisa Tuppo
- Institute of Biosciences and BioResources (IBBR), National Research Council of Italy (CNR), 80131 Naples, Italy; (I.G.); (M.T.); (L.T.)
| | - Chiara Rafaiani
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy; (C.R.); (A.M.); (C.A.)
| | - Adriano Mari
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy; (C.R.); (A.M.); (C.A.)
- Allergy Data Laboratories (ADL), 04100 Latina, Italy
| | - Claudia Alessandri
- Associated Centers for Molecular Allergology (CAAM), 00100 Rome, Italy; (C.R.); (A.M.); (C.A.)
- Allergy Data Laboratories (ADL), 04100 Latina, Italy
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3
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El Sheikha AF. Why the importance of geo-origin tracing of edible bird nests is arising? Food Res Int 2021; 150:110806. [PMID: 34863497 DOI: 10.1016/j.foodres.2021.110806] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/13/2021] [Accepted: 11/03/2021] [Indexed: 10/19/2022]
Abstract
Edible bird's nest (EBN) swiftlet existed naturally 48,000 years ago in caves as their natural dwellings. Nowadays, edible bird's nest has become a very important industry due to its high nutritional, medicinal and economic value. Additionally, edible bird's nest has a long quality guarantee period. Obviously, the nutritional components and medicinal functions vary depending on geographical origins. Recently, the global demand for edible bird's nest has markedly increased, accompanied by the increasing attention of all key players of the global food trade system, i.e., producers, consumers, traders and the authorities to obtain safe and high-quality edible bird's nest. Hence, this target can be accomplished via the enforcement of an efficient and universal geo-tracing technique. Current methods of the geo-tracking of edible bird's nest, i.e., automation, physical and analytical techniques have several limitations and all of them fail to discriminate different quality grades of edible bird's nest. Meanwhile, in many studies and applications, polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) has proven to be a "cutting edge" technique for greatly enhance food traceability from field to fork through its ability in distinguishing the food products in terms of their quality and safety. This article provides an overview of (1) edible bird's nest as a multiuse strategic food product, (2) quality issues associated with edible bird's nest including implications that the site of acquisition of the edible bird's nest has food safety implications, (3) current regulations and geo-tracking approaches to ensure the safety and quality of edible bird's nest with the special focus on polymerase chain reaction-denaturing gradient gel electrophoresis technique as a vigorous and universal geo-tracing tool to be suggested for edible bird's nest geo-traceability.
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Affiliation(s)
- Aly Farag El Sheikha
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, 1101 Zhimin Road, Nanchang 330045, China; Department of Biology, McMaster University, 1280 Main St. West, Hamilton, Ontario L8S 4K1, Canada; School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, 25 University Private Ottawa, ON K1N 6N5, Canada; Bioengineering and Technological Research Centre for Edible and Medicinal Fungi, Jiangxi Agricultural University, 1101 Zhimin Road, Nanchang 330045, China; Jiangxi Key Laboratory for Conservation and Utilization of Fungal Resources, Jiangxi Agricultural University, 1101 Zhimin Road, Nanchang 330045, China; Department of Food Science and Technology, Faculty of Agriculture, Minufiya University, 32511 Shibin El Kom, Minufiya Government, Egypt.
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Chok KC, Ng MG, Ng KY, Koh RY, Tiong YL, Chye SM. Edible Bird's Nest: Recent Updates and Industry Insights Based On Laboratory Findings. Front Pharmacol 2021; 12:746656. [PMID: 34658881 PMCID: PMC8517086 DOI: 10.3389/fphar.2021.746656] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 09/20/2021] [Indexed: 11/17/2022] Open
Abstract
Edible bird’s nest (EBN) is a traditional Chinese delicacy made of the saliva of swiftlets found in Southeast Asia. With increasing demands for EBN, quality control of EBN products is important for safe consumption. The processing steps are particularly important for efficient extraction of bioactive compounds. Geographical location, collection place, and harvesting season contribute to differences in nutritional contents in EBN. Concerns regarding presence of adulterant, chemical, and microbial contaminants in EBN as well as authentication and chemical composition measuring methods are discussed in this review. Recent discoveries of beneficial health functions of EBN in antimicrobial and antiviral actions, immunomodulation, cancer prevention and treatment, tissue regeneration, cardiometabolic maintenance, antioxidant action and neuroprotection are also reviewed. Our review provides an update on the recent research on EBN.
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Affiliation(s)
- Kian Chung Chok
- School of Health Science, International Medical University, Kuala Lumpur, Malaysia
| | - Ming Guan Ng
- School of Health Science, International Medical University, Kuala Lumpur, Malaysia
| | - Khuen Yen Ng
- School of Pharmacy, Monash University Malaysia, Selangor, Malaysia
| | - Rhun Yian Koh
- Division of Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
| | - Yee Lian Tiong
- School of Postgraduate, International Medical University, Kuala Lumpur, Malaysia
| | - Soi Moi Chye
- Division of Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
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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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Yeo BH, Tang TK, Wong SF, Tan CP, Wang Y, Cheong LZ, Lai OM. Potential Residual Contaminants in Edible Bird's Nest. Front Pharmacol 2021; 12:631136. [PMID: 33833681 PMCID: PMC8021867 DOI: 10.3389/fphar.2021.631136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 02/04/2021] [Indexed: 12/02/2022] Open
Abstract
Edible bird’s nest (EBN) is recognized as a nourishing food among Chinese people. The efficacy of EBN was stated in the records of traditional Chinese medicine and its activities have been reported in many researches. Malaysia is the second largest exporter of EBNs in the world, after Indonesia. For many years, EBN trade to China was not regulated until August 2011, when a safety alert was triggered for the consumption of EBNs. China banned the import of EBNs from Malaysia and Indonesia due to high level of nitrite. Since then, the Malaysia government has formulated Malaysia Standards for swiftlet farming (MS 2273:2012), edible bird’s nest processing plant design and management (MS 2333:2010), and edible bird’s nest product quality (MS 2334:2011) to enable the industry to meet the specified standards for the export to China. On the other hand, Indonesia's EBN industry formulated a standard operating procedure (SOP) for exportation to China. Both countries can export EBNs to China by complying with the standards and SOPs. EBN contaminants may include but not limited to nitrite, heavy metals, excessive minerals, fungi, bacteria, and mites. The possible source of contaminants may come from the swiftlet farms and the swiftlets or introduced during processing, storage, and transportation of EBNs, or adulterants. Swiftlet house design and management, and EBN processing affect the bird’s nest color. Degradation of its optical quality has an impact on the selling price, and color changes are tied together with nitrite level. In this review, the current and future prospects of EBNs in Malaysia and Indonesia in terms of their quality, and the research on the contaminants and their effects on EBN color changes are discussed.
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Affiliation(s)
- Bee-Hui Yeo
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
| | - Teck-Kim Tang
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
| | - Shew-Fung Wong
- School of Medicine, International Medical University, Centre for Environmental and Population Health, Institute for Research, Development and Innovation (IRDI), International Medical University, Kuala Lumpur, Malaysia
| | - Chin-Ping Tan
- International Joint Laboratory on Plant Oils Processing and Safety (POPS) JNU-UPM, Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Malaysia
| | - Yong Wang
- International Joint Laboratory on Plant Oils Processing and Safety (POPS) JNU-UPM, Department of Food Science and Engineering, College of Science and Engineering, Jinan University, Guangzhou, China
| | - Ling-Zhi Cheong
- Department of Food Science and Engineering, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, China
| | - Oi-Ming Lai
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia.,Department of Bioprocess Technology, Faculty of Biotechnology & Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
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Mites, ticks, anaphylaxis and allergy: The Acari hypothesis. Med Hypotheses 2020; 144:110257. [PMID: 33254563 DOI: 10.1016/j.mehy.2020.110257] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/31/2020] [Accepted: 09/05/2020] [Indexed: 02/01/2023]
Abstract
Anaphylaxis is a poorly understood immune process in which a Th2-/IgE-mediated adaptive response commandeers cellular machinery, typically reserved for defense against multicellular ectoparasites, to activate against otherwise benign molecules. Its clinical manifestations consist of rapid pathophysiological reflexes that target epithelial surfaces. The galactose-α-1,3-galactose hypersensitivity response is a compelling model of anaphylaxis for which causation has been demonstrated. At the core of the model, a tick bite sensitizes a recipient to a tick foodstuff. As proposed herein, the model likely informs on the origin of all allergic inflammation; namely, allergy is not intended to protect against seemingly harmless and irrelevant materials, but is, instead, intended to rid epithelial surfaces of pathogen-bearing Acari, i.e., mites and ticks. The demonstrated adjuvant activity of acarian gastrointestinal secretions, when paired with the polyphagous diet of mites, renders acarians eminently suited to accounting, mechanistically, for many, if not all, human allergies.
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Abstract
PURPOSE OF REVIEW To present an update on the recent advances in the understanding of the mechanisms and practical management of oral mite anaphylaxis (OMA, pancake syndrome). RECENT FINDINGS Among novel observations regarding OMA, this review highlights the increased prevalence of aspirin/NSAID hypersensitivity inpatients affected by OMA, the association of OMA with exercise-induced anaphylaxis, the presentation of OMA simulating acute asthma, the occurrence of OMA in childhood, the high severity and lethal potential of OMA, the contamination of other foods, such as oat and corn flour with mites, and the simultaneous induction of OMA symptoms in more than one individual exposed to the same food source. SUMMARY OMA is a severe, potentially lethal, acute allergic condition that should be suspected whenever symptoms begin soon after the intake of mite-contaminated foods. Physician awareness on this clinical picture is of paramount importance to establish a correct diagnosis and to implement adequate preventive measures to help patients at risk to avoid its occurrence.
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Abstract
House dust mites are an unsurpassed cause of atopic sensitization and allergic illness throughout the world. The major allergenic dust mites Dermatophagoides pteronyssinus, Dermatophagoides farinae, Euroglyphus maynei, and Blomia tropicalis are eight-legged members of the Arachnid class. Their approximately 3-month lifespan comprises egg, larval, protonymph, tritonymph, and adult stages, with adults, about one fourth to one third of a millimeter in size, being at the threshold of visibility. The geographic and seasonal distributions of dust mites are determined by their need for adequate humidity, while their distribution within substrates is further determined by their avoidance of light. By contacting the epithelium of the eyes, nose, lower airways, skin, and gut, the allergen-containing particles of dust mites can induce sensitization and atopic symptoms in those organs. Various mite allergens, contained primarily in mite fecal particles but also in shed mite exoskeletons and decaying mite body fragments, have properties that include proteolytic activity, homology with the lipopolysaccharide-binding component of Toll-like receptor 4, homology with other invertebrate tropomyosins, and chitin-cleaving and chitin-binding activity. Mite proteases have direct epithelial effects including the breaching of tight junctions and the stimulation of protease-activated receptors, the latter inducing pruritus, epithelial dysfunction, and cytokine release. Other components, including chitin, unmethylated mite and bacterial DNA, and endotoxin, activate pattern recognition receptors of the innate immune system and act as adjuvants promoting sensitization to mite and other allergens. Clinical conditions resulting from mite sensitization and exposure include rhinitis, sinusitis, conjunctivitis, asthma, and atopic dermatitis. Systemic allergy symptoms can also occur from the ingestion of cross-reacting invertebrates, such as shrimp or snail, or from the accidental ingestion of mite-contaminated foods. Beyond their direct importance as a major allergen source, an understanding of dust mites leads to insights into the nature of atopy and of allergic sensitization in general.
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Doña I, Pérez‐Sánchez N, Eguiluz‐Gracia I, Muñoz-Cano R, Bartra J, Torres MJ, Cornejo‐García JA. Progress in understanding hypersensitivity reactions to nonsteroidal anti-inflammatory drugs. Allergy 2020; 75:561-575. [PMID: 31469167 DOI: 10.1111/all.14032] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 12/11/2022]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs), the medications most commonly used for treating pain and inflammation, are the main triggers of drug hypersensitivity reactions. The latest classification of NSAIDs hypersensitivity by the European Academy of Allergy and Clinical Immunology (EAACI) differentiates between cross-hypersensitivity reactions (CRs), associated with COX-1 inhibition, and selective reactions, associated with immunological mechanisms. Three phenotypes fill into the first group: NSAIDs-exacerbated respiratory disease, NSAIDs-exacerbated cutaneous disease and NSAIDs-induced urticaria/angioedema. Two phenotypes fill into the second one: single-NSAID-induced urticaria/angioedema/anaphylaxis and single-NSAID-induced delayed reactions. Diagnosis of NSAIDs hypersensitivity is hampered by different factors, including the lack of validated in vitro biomarkers and the uselessness of skin tests. The advances achieved over recent years recommend a re-evaluation of the EAACI classification, as it does not consider other phenotypes such as blended reactions (coexistence of cutaneous and respiratory symptoms) or food-dependent NSAID-induced anaphylaxis. In addition, it does not regard the natural evolution of phenotypes and their potential interconversion, the development of tolerance over time or the role of atopy. Here, we address these topics. A state of the art on the underlying mechanisms and on the approaches for biomarkers discovery is also provided, including genetic studies and available information on transcriptomics and metabolomics.
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Affiliation(s)
- Inmaculada Doña
- Allergy Research Group Instituto de Investigación Biomédica de Málaga‐IBIMA ARADyAL Malaga Spain
- Allergy Unit Hospital Regional Universitario de Málaga Malaga Spain
| | - Natalia Pérez‐Sánchez
- Allergy Research Group Instituto de Investigación Biomédica de Málaga‐IBIMA ARADyAL Malaga Spain
- Allergy Unit Hospital Regional Universitario de Málaga Malaga Spain
- Departamento de Medicina Universidad de Málaga Malaga Spain
| | - Ibon Eguiluz‐Gracia
- Allergy Research Group Instituto de Investigación Biomédica de Málaga‐IBIMA ARADyAL Malaga Spain
- Allergy Unit Hospital Regional Universitario de Málaga Malaga Spain
| | - Rosa Muñoz-Cano
- Allergy Section Pneumology Department Hospital Clinic ARADyAL Universitat de Barcelona Barcelona Spain
- Clinical and Experimental Respiratory Immunoallergy (IRCE) August Pi i Sunyer Biomedical Research Institute (IDIBAPS) ARADyAL Barcelona Spain
| | - Joan Bartra
- Allergy Section Pneumology Department Hospital Clinic ARADyAL Universitat de Barcelona Barcelona Spain
- Clinical and Experimental Respiratory Immunoallergy (IRCE) August Pi i Sunyer Biomedical Research Institute (IDIBAPS) ARADyAL Barcelona Spain
| | - María José Torres
- Allergy Research Group Instituto de Investigación Biomédica de Málaga‐IBIMA ARADyAL Malaga Spain
- Allergy Unit Hospital Regional Universitario de Málaga Malaga Spain
- Departamento de Medicina Universidad de Málaga Malaga Spain
- Nanostructures for Diagnosing and Treatment of Allergic Diseases Laboratory Andalusian Center for Nanomedicine and Biotechnology‐BIONAND Malaga Spain
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Rekima A, Bonnart C, Macchiaverni P, Metcalfe J, Tulic MK, Halloin N, Rekima S, Genuneit J, Zanelli S, Medeiros S, Palmer DJ, Prescott S, Verhasselt V. A role for early oral exposure to house dust mite allergens through breast milk in IgE-mediated food allergy susceptibility. J Allergy Clin Immunol 2020; 145:1416-1429.e11. [PMID: 31954775 DOI: 10.1016/j.jaci.2019.12.912] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 11/28/2019] [Accepted: 12/04/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND Successful prevention of food allergy requires the identification of the factors adversely affecting the capacity to develop oral tolerance to food antigen in early life. OBJECTIVES This study sought to determine whether oral exposure to Dermatophagoides pteronyssinus through breast milk affects gut mucosal immunity with long-term effects on IgE-mediated food allergy susceptibility. METHODS Gut immunity was explored in 2-week-old mice breast-fed by mothers exposed to D pteronyssinus, protease-inactivated D pteronyssinus, or to PBS during lactation. We further analyzed oral tolerance to a bystander food allergen, ovalbumin (OVA). In a proof-of-concept study, Der p 1 and OVA levels were determined in 100 human breast milk samples and the association with prevalence of IgE-mediated egg allergy at 1 year was assessed. RESULTS Increased permeability, IL-33 levels, type 2 innate lymphoid cell activation, and Th2 cell differentiation were found in gut mucosa of mice nursed by mothers exposed to D pteronyssinus compared with PBS. This pro-Th2 gut mucosal environment inhibited the induction of antigen-specific FoxP3 regulatory T cells and the prevention of food allergy by OVA exposure through breast milk. In contrast, protease-inactivated D pteronyssinus had no effect on offspring gut mucosal immunity. Based on the presence of Der p 1 and/or OVA in human breast milk, we identified groups of lactating mothers, which mirror the ones found in mice to be responsible for different egg allergy risk. CONCLUSIONS This study highlights an unpredicted potential risk factor for the development of food allergy, that is, D pteronyssinus allergens in breast milk, which disrupt gut immune homeostasis and prevents oral tolerance induction to bystander food antigen through their protease activity.
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Affiliation(s)
- Akila Rekima
- School of Molecular Sciences, University of Western Australia, Perth, Australia
| | - Chrystelle Bonnart
- Institut National de la Santé et de la Recherche Médicale, U1220, Toulouse, France
| | | | - Jessica Metcalfe
- Telethon Kids Institute, University of Western Australia, Perth, Australia
| | - Meri K Tulic
- EA6302 Immune Tolerance, Université de Nice Sophia-Antipolis, Nice, France; Institut National de la Santé et de la Recherche Médicale, U1065, Mediterranean Centre for Molecular Medicine, Team 12, Nice, France; inVIVO Global Network, Research Group of the Worldwide Universities Network, West New York, NJ
| | - Nicolas Halloin
- EA6302 Immune Tolerance, Université de Nice Sophia-Antipolis, Nice, France
| | - Samah Rekima
- Institut Biologie Valrose, Université Côte d'Azur, Institut National de la Santé et de la Recherche Medicale, Centre National de la Recherche Scientifique, Nice, France
| | - Jon Genuneit
- inVIVO Global Network, Research Group of the Worldwide Universities Network, West New York, NJ; Pediatric Epidemiology, Department of Pediatrics, University of Leipzig Medical Center, Leipzig, Germany
| | - Samantha Zanelli
- EA6302 Immune Tolerance, Université de Nice Sophia-Antipolis, Nice, France
| | - Samara Medeiros
- EA6302 Immune Tolerance, Université de Nice Sophia-Antipolis, Nice, France; Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Debra J Palmer
- Telethon Kids Institute, University of Western Australia, Perth, Australia; inVIVO Global Network, Research Group of the Worldwide Universities Network, West New York, NJ
| | - Susan Prescott
- Telethon Kids Institute, University of Western Australia, Perth, Australia; inVIVO Global Network, Research Group of the Worldwide Universities Network, West New York, NJ; Perth Childrens Hospital, Perth, Australia; School of Medicine, University of Western Australia, Crawley, Australia
| | - Valerie Verhasselt
- School of Molecular Sciences, University of Western Australia, Perth, Australia; inVIVO Global Network, Research Group of the Worldwide Universities Network, West New York, NJ.
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Barre A, Pichereaux C, Velazquez E, Maudouit A, Simplicien M, Garnier L, Bienvenu F, Bienvenu J, Burlet-Schiltz O, Auriol C, Benoist H, Rougé P. Insights into the Allergenic Potential of the Edible Yellow Mealworm ( Tenebrio molitor). Foods 2019; 8:E515. [PMID: 31635354 PMCID: PMC6836238 DOI: 10.3390/foods8100515] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 09/07/2019] [Accepted: 09/25/2019] [Indexed: 12/04/2022] Open
Abstract
The edible yellow mealworm (Tenebrio molitor), contains an extremely diverse panel of soluble proteins, including proteins with structural functions such as muscle proteins, as well as proteins involved in metabolic functions such as enzymes. Most of these proteins display a more or less pronounced allergenic character toward previously sensitized people, especially people allergic to shrimps and other shellfish. A mass spectrometry approach following the separation of a mealworm protein, extracted by sodiumdodecyl sulfate-polyacrylamide gel electrophoresis, allowed us to identify up to 106 distinct protein fractions including molecules with structural and functional functions, susceptible to developing an allergenic potential due to the possibility of immunoglobulin E-binding cross-reactions with their counterparts occurring in shellfish. In this respect, most of the sera from people allergic to shrimps reacted with the mealworm protein extract in Western blot experiments. Moreover, the potential mealworm allergens triggered the in vitro degranulation of rat leukemic basophils transfected with the human high-affinity IgE receptor (FcεRI), upon sensitization by the IgE-containing sera from people allergic to shrimps and other shellfish foods. Owing to the large repertoire of IgE-binding cross-reacting allergens the yellow mealworm shares with other phylogenetically-related groups of arthropods, it would seem prudent to inform the consumers, especially those allergic to shellfish, by appropriate labeling on edible mealworm packages about the potential risk of developing an allergic reaction.
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Affiliation(s)
- Annick Barre
- UMR 152 Pharmacochimie et Biologie pour le Développement, Université Paul Sabatier, Institut de Recherche et Développement, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France.
| | - Carole Pichereaux
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 31077 Toulouse, France.
| | - Esmeralda Velazquez
- UMR 152 Pharmacochimie et Biologie pour le Développement, Université Paul Sabatier, Institut de Recherche et Développement, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France.
| | - Agathe Maudouit
- UMR 152 Pharmacochimie et Biologie pour le Développement, Université Paul Sabatier, Institut de Recherche et Développement, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France.
| | - Mathias Simplicien
- UMR 152 Pharmacochimie et Biologie pour le Développement, Université Paul Sabatier, Institut de Recherche et Développement, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France.
| | - Lorna Garnier
- Laboratoire d'Immunologie, Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, 165 Chemin du Grand Revoyet, 69495 Pierre-Bénite, France.
| | - Françoise Bienvenu
- Laboratoire d'Immunologie, Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, 165 Chemin du Grand Revoyet, 69495 Pierre-Bénite, France.
| | - Jacques Bienvenu
- Laboratoire d'Immunologie, Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, 165 Chemin du Grand Revoyet, 69495 Pierre-Bénite, France.
| | - Odile Burlet-Schiltz
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 31077 Toulouse, France.
| | - Cédric Auriol
- Micronutris, 6 Rue de Partanaïs, 31650 Saint-Orens-de-Gameville, France.
| | - Hervé Benoist
- UMR 152 Pharmacochimie et Biologie pour le Développement, Université Paul Sabatier, Institut de Recherche et Développement, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France.
| | - Pierre Rougé
- UMR 152 Pharmacochimie et Biologie pour le Développement, Université Paul Sabatier, Institut de Recherche et Développement, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France.
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13
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Carter MC, Akin C, Castells MC, Scott EP, Lieberman P. Idiopathic anaphylaxis yardstick: Practical recommendations for clinical practice. Ann Allergy Asthma Immunol 2019; 124:16-27. [PMID: 31513910 DOI: 10.1016/j.anai.2019.08.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 08/20/2019] [Accepted: 08/27/2019] [Indexed: 12/18/2022]
Abstract
Anaphylaxis is considered idiopathic when there is no known trigger. The signs and symptoms of idiopathic anaphylaxis (IA) are identical to those of anaphylaxis because of a known cause and can include cutaneous, circulatory, respiratory, gastrointestinal, and neurologic symptoms. Idiopathic anaphylaxis can be a frustrating disease for patients and health care providers. Episodes are unpredictable, and differential diagnosis is challenging. Current anaphylaxis guidelines have little specific guidance regarding differential diagnosis and long-term management of IA. Therefore, the objective of the Idiopathic Anaphylaxis Yardstick is to use published data and the authors' combined clinical experience to provide practical recommendations for the diagnosis and management of patients with IA.
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Affiliation(s)
| | - Cem Akin
- Department of Medicine, University of Michigan, Ann Arbor, Michigan
| | - Mariana C Castells
- Department of Medicine, Division of Rheumatology, Immunology, and Allergy, Mastocytosis Center, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Phil Lieberman
- Departments of Medicine and Pediatrics, Divisions of Allergy and Immunology, University of Tennessee, Memphis, Tennessee.
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14
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Cross-reactivity of sIgE to mite and shrimp induced allergies in different age groups and clinical profiles of shrimp sIgE in vegetarians. Sci Rep 2019; 9:12548. [PMID: 31467382 PMCID: PMC6715687 DOI: 10.1038/s41598-019-49068-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 08/09/2019] [Indexed: 11/25/2022] Open
Abstract
The sensitization to house dust mites (HDMs) and shrimps affects the development of hypersensitivity with an increase in age. Due to the cross-reactivity between shellfish and HDMs, HDMs were considered as the primary sensitizer for shellfish allergy. Thus, vegetarians might be sensitized to shrimp through the inadvertent inhalation of HDMs. Therefore, we assessed the prevalence of shrimp or mite allergy among different age groups and vegetarians. The serum specific-IgE (sIgE) level of HDMs and shrimp in 60 children/adolescence (un-adults), 30 adults, 30 elderly, and four vegetarian adults patients were measured. The sera with sIgE levels greater than 3.5 kUA/L were cross-reactivity examined. We found that HDMs induced higher sIgE than shrimp in un-adults. In contrast, shrimp-induced sIgE was higher in the adults and elderly patients. Moreover, adults were more frequently sensitized to shrimp and mite at the same time compared with the un-adult or elderly groups. The mite-Der p 10 not only displayed high cross-reactivity to the shrimp-Pen a 1 in all age groups and vegetarians but functioned as the major allergen to sensitize un-adults. Overall, the level of mite or shrimp sIgE is influenced by alterations in age, and vegetarians are at risk of shrimp sensitization via cross-reactivity between shrimp and mite.
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15
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Masaki K, Fukunaga K, Kawakami Y, Haque R. Rare presentation of anaphylaxis: pancake syndrome. BMJ Case Rep 2019; 12:12/3/e228854. [PMID: 30902845 DOI: 10.1136/bcr-2018-228854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
A 43-year-old woman presented with oral discomfort, sneezing, urticaria, eyelid angioedema, abdominal pain, diarrhoea, dyspnoea and wheeze soon after eating a Japanese flour pancake (okonomiyaki, containing wheat, egg, yam, pork, prawn and squid). Subsequent analysis of the flour used in the pancake revealed the presence of Dermatophagoides farinae (4500 mites/g). The patient tested positive for specific IgE to D. farinae (15.2 kU/L) and D. pteronyssinus (14.0 kU/L) with negative responses to other ingredients in the pancake. Oral ingestion of dust mite in poorly stored foods can cause anaphylactic reactions in patients with allergy.
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Affiliation(s)
- Katsunori Masaki
- Department of Internal Medicine, Saiseikai Utsunomiya Hospital, Utsunomiya, Tochigi, Japan.,Department of Adult Allergy, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Koichi Fukunaga
- Division of Pulmonary Medicine, Department of Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Yuji Kawakami
- Environmental Science Laboratory, FCG Research Institute, Koto-ku, Japan
| | - Rubaiyat Haque
- Department of Adult Allergy, Guy's and St Thomas' NHS Foundation Trust, London, UK
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16
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Reply. J Allergy Clin Immunol 2018; 143:808-809. [PMID: 30553549 DOI: 10.1016/j.jaci.2018.10.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 10/09/2018] [Indexed: 11/22/2022]
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17
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Sánchez-Borges M, Capriles-Hullet A. Oral exposure to mite allergens: Sensitizer or tolerogenic? J Allergy Clin Immunol 2018; 143:808. [PMID: 30553550 DOI: 10.1016/j.jaci.2018.10.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 10/09/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Mario Sánchez-Borges
- Allergy and Clinical Immunology Department, Centro Médico Docente La Trinidad, Caracas, Venezuela.
| | - Arnaldo Capriles-Hullet
- Allergy and Clinical Immunology Department, Centro Médico Docente La Trinidad, Caracas, Venezuela
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18
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Barre A, Simplicien M, Cassan G, Benoist H, Rougé P. Food allergen families common to different arthropods (mites, insects, crustaceans), mollusks and nematods: Cross-reactivity and potential cross-allergenicity. REVUE FRANCAISE D ALLERGOLOGIE 2018. [DOI: 10.1016/j.reval.2018.10.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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19
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Ernieenor FCL, Ernna G, Jafson AS, Mariana A. PCR identification and phylogenetic analysis of the medically important dust mite Suidasia medanensis (Acari: Suidasiidae) in Malaysia. EXPERIMENTAL & APPLIED ACAROLOGY 2018; 76:99-107. [PMID: 30151715 DOI: 10.1007/s10493-018-0285-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 08/17/2018] [Indexed: 06/08/2023]
Abstract
The occurrence of Suidasia medanensis (= S. pontifica) mites in Malaysian house dust was first reported in 1984. The taxonomy of this storage mite is, however, quite confusing. Therefore, we need an accurate identification to resolve morphological problems due to its minute size and some overlapping characters between species. The purpose of this study was to demonstrate the application of partial mitochondrial cytochrome c oxidase subunit I (COI) sequences for the identification of S. medanensis by PCR. Identity of the mite was first determined by observing morphological characters under a light microscope. Genomic DNA of S. medanensis mites was successfully extracted prior to PCR and DNA sequencing using COI universal primers. The length of the COI sequences obtained was 378 bp. BLAST analysis of amplicon sequences showed that local S. medanensis COI region had 99% maximum identity with S. medanensis nucleotide sequence (AY525568) available in the GenBank. As the phylogenetic tree generated indicated, COI sequences from this study were clustered with S. medanensis from Korea and the UK in one major clade, supported with high bootstrap value (> 85%). Results of the phylogenetic analysis of this COI gene were congruent with the morphological identification and provided strong support for a single clade of local S. medanensis.
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Affiliation(s)
- F C L Ernieenor
- Acarology Unit, Infectious Diseases Research Centre, Institute for Medical Research, Jalan Pahang, 50588, Kuala Lumpur, Malaysia.
| | - G Ernna
- Acarology Unit, Infectious Diseases Research Centre, Institute for Medical Research, Jalan Pahang, 50588, Kuala Lumpur, Malaysia
| | - A S Jafson
- Acarology Unit, Infectious Diseases Research Centre, Institute for Medical Research, Jalan Pahang, 50588, Kuala Lumpur, Malaysia
| | - A Mariana
- Acarology Unit, Infectious Diseases Research Centre, Institute for Medical Research, Jalan Pahang, 50588, Kuala Lumpur, Malaysia
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20
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Hubert J, Stejskal V, Athanassiou CG, Throne JE. Health Hazards Associated with Arthropod Infestation of Stored Products. ANNUAL REVIEW OF ENTOMOLOGY 2018; 63:553-573. [PMID: 29324037 DOI: 10.1146/annurev-ento-020117-043218] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Insects and mites are common inhabitants and accidental invaders of food, including durable commodities, and their presence can have both direct and indirect effects on human health. The most common direct effect is contamination of food with arthropod fragments and related contaminants, which may be allergenic or even carcinogenic. The most important indirect effect is that their presence can change the storage microenvironment, making durable products suitable for the rapid development of fungi and other microorganisms. Some of these fungi can produce toxins (e.g., aflatoxins) that endanger human health. Insects may actively or passively contribute to the spread of microorganisms, increasing product contamination, and they may host bacteria that have developed antibiotic resistance, contributing to their spread in food. Several species also may host, attract, or transmit tapeworms, predators, or parasitoids that may affect health. This review synthesizes research on these topics and suggests directions for future research.
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Affiliation(s)
- Jan Hubert
- Crop Research Institute, 161 06 Prague 6, Czechia; ,
| | | | - Christos G Athanassiou
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Nea Ionia, Volos 384 46, Magnesia, Greece;
| | - James E Throne
- San Joaquin Valley Agricultural Sciences Center, Agricultural Research Service, US Department of Agriculture, Parlier, California 93648-9757, USA;
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21
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Rougé P, Barre A. Allergy to Edible Insects: A Computational Identification of the IgE-Binding Cross-Reacting Allergen Repertoire of Edible Insects. FUTURE FOODS 2017. [DOI: 10.5772/68124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Affiliation(s)
- Luis Caraballo
- a Institute for Immunological Research , University of Cartagena , Cartagena , Colombia
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23
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Caraballo L, Zakzuk J, Lee BW, Acevedo N, Soh JY, Sánchez-Borges M, Hossny E, García E, Rosario N, Ansotegui I, Puerta L, Sánchez J, Cardona V. Particularities of allergy in the Tropics. World Allergy Organ J 2016; 9:20. [PMID: 27386040 PMCID: PMC4924335 DOI: 10.1186/s40413-016-0110-7] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 05/25/2016] [Indexed: 12/27/2022] Open
Abstract
Allergic diseases are distributed worldwide and their risk factors and triggers vary according to geographical and socioeconomic conditions. Allergies are frequent in the Tropics but aspects of their prevalence, natural history, risk factors, sensitizers and triggers are not well defined and some are expected to be different from those in temperate zone countries. The aim of this review is to investigate if allergic diseases in the Tropics have particularities that deserve special attention for research and clinical practice. Such information will help to form a better understanding of the pathogenesis, diagnosis and management of allergic diseases in the Tropics. As expected, we found particularities in the Tropics that merit further study because they strongly affect the natural history of common allergic diseases; most of them related to climate conditions that favor permanent exposure to mite allergens, helminth infections and stinging insects. In addition, we detected several unmet needs in important areas which should be investigated and solved by collaborative efforts led by the emergent research groups on allergy from tropical countries.
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Affiliation(s)
- Luis Caraballo
- />Institute for Immunological Research, University of Cartagena, Cra. 5 # 7-77, Cartagena, Colombia
| | - Josefina Zakzuk
- />Institute for Immunological Research, University of Cartagena, Cra. 5 # 7-77, Cartagena, Colombia
| | - Bee Wah Lee
- />Khoo Teck Puat- National University Children’s Medical Institute, National University Health System, Singapore, Singapore
- />Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Nathalie Acevedo
- />Department of Medicine Solna, Karolinska Institutet, Translational Immunology Unit, Stockholm, Sweden
| | - Jian Yi Soh
- />Khoo Teck Puat- National University Children’s Medical Institute, National University Health System, Singapore, Singapore
- />Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mario Sánchez-Borges
- />Allergy and Clinical Immunology Department, Centro Médico- Docente La Trinidad and Clínica El Avila, Caracas, Venezuela
| | - Elham Hossny
- />Pediatric Allergy and Immunology Unit, Children’s Hospital, Ain Shams University, Cairo, Egypt
| | - Elizabeth García
- />Allergy Section, Fundación Santa Fe de Bogotá, Faculty of Medicine, Universidad de los Andes, Bogotá, Colombia
| | - Nelson Rosario
- />Federal University of Parana, Rua General Carneiro, Curitiba, Brazil
| | - Ignacio Ansotegui
- />Department of Allergy and Immunology, Hospital Quirón Bizkaia, Bilbao, Spain
| | - Leonardo Puerta
- />Institute for Immunological Research, University of Cartagena, Cra. 5 # 7-77, Cartagena, Colombia
| | - Jorge Sánchez
- />Department of Pediatrics, Graduate Program on Allergology, University of Antioquia, Medellín, Colombia
| | - Victoria Cardona
- />Allergy Section, Department of Internal Medicine, Hospital Vall d’Hebron, Barcelona, Spain
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Hidden allergens and oral mite anaphylaxis: the pancake syndrome revisited. Curr Opin Allergy Clin Immunol 2016; 15:337-43. [PMID: 26110684 DOI: 10.1097/aci.0000000000000175] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
PURPOSE OF REVIEW To present currently available information on oral mite anaphylaxis. RECENT FINDINGS Oral mite anaphylaxis (pancake syndrome) is a new syndrome characterized by severe symptoms triggered by the intake of foods containing mites and their allergens. Breathlessness, face and/or laryngeal angioedema, wheezing, rhinorrhea, cough, dysphagia, and wheals are the most frequent clinical manifestations. SUMMARY Pancake syndrome can occur in individuals at any age and in any geographical location. Foods made with wheat and corn flour, especially pancakes, are the most common inducers of the clinical picture. Both, domestic and storage mites have been incriminated. Increased physician awareness is required for early diagnosis and treatment, and for the prevention of future episodes in predisposed individuals.
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25
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Hussein AH, Elawamy W. Quantitation of Blomia tropicalis allergen Blo t 5 in cereal and cereal-based foods consumed in the Nile Delta, Egypt. Am J Trop Med Hyg 2015; 93:194-7. [PMID: 25870423 DOI: 10.4269/ajtmh.14-0837] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Accepted: 03/11/2015] [Indexed: 11/07/2022] Open
Abstract
The mite Blomia tropicalis has significant prevalence worldwide. Blo t 5 is a major B. tropicalis allergen that has been associated with sensitization and allergic symptoms in many asthmatic patients. Besides house dust, contaminated foodstuffs are an important source of exposure to B. tropicalis allergens. In this study, a double sandwich enzyme-linked immunosorbent assay (ELISA) using mAb 4D4 and biotinylated mAb 4G9 was done to detect Blo t 5 allergen in different types of raw and processed foods, including wheat, corn, rice, bean, wheat and corn flour, cake, and rusk, which were collected from retail stores in the Nile Delta of Egypt. Out of 88 samples, 38 (43.2%) were positive for Blo t 5 allergen with no significant statistical difference in positivity according to food type. In positive samples, the Blo t 5 concentration ranged from 10 ng/g to 790 ng/g. This study showed that Blo t 5 should be considered as an important allergen that presents a risk to the Egyptian population and should become a routine allergen in the skin prick test to improve the management of allergic disease.
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Affiliation(s)
- Atef H Hussein
- Department of Parasitology, Benha Faculty of Medicine, Benha University, Benha, Egypt
| | - Waleed Elawamy
- Department of Parasitology, Benha Faculty of Medicine, Benha University, Benha, Egypt
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26
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Hashizume H, Umayahara T, Kawakami Y. Pancake syndrome induced by ingestion of tempura. Br J Dermatol 2015; 170:213-4. [PMID: 24032354 DOI: 10.1111/bjd.12597] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- H Hashizume
- Department of Dermatology, Shimada Municipal Hospital, 1200-5 Noda, Shimada, 427-8502, Japan.
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27
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Dutau G. Allergie aux acariens domestiques : du diagnostic à la prise en charge. REVUE FRANCAISE D ALLERGOLOGIE 2014. [DOI: 10.1016/j.reval.2014.10.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Cui Y. When mites attack: domestic mites are not just allergens. Parasit Vectors 2014; 7:411. [PMID: 25175486 PMCID: PMC4158066 DOI: 10.1186/1756-3305-7-411] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 08/13/2014] [Indexed: 12/18/2022] Open
Abstract
Domestic mite species found in indoor environments and in warm or tropical regions are well known for causing allergic disorders. However, little is known about human acariasis, in which mites invade and parasitize the human body in various tissues from the gastrointestinal tract to the lung. Here, we summarize the reported cases of human acariasis of pulmonary, intestinal, oral (anaphylaxis), urinary, otic, and vaginal systems. Because the clinical symptoms of acariasis often overlap with other disease symptoms leading to frequent misdiagnosis, we highlight the need for more attention on these infections.
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Affiliation(s)
- Yubao Cui
- Department of Laboratory Medicine, Yancheng Health Vocational & Technical College, Jiefangnan Road 263, Yancheng, Jiangsu Province 224006, P,R, China.
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29
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30
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Mite hypersensitivity in patients with rhinitis and rhinosinusitis living in a tropical environment. Allergol Immunopathol (Madr) 2014; 42:120-6. [PMID: 23253681 DOI: 10.1016/j.aller.2012.07.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2012] [Revised: 07/16/2012] [Accepted: 07/22/2012] [Indexed: 11/24/2022]
Abstract
PURPOSE Rhinitis and rhinosinusitis are major concerns in public health. Mites are important aetiological agents in the tropics. The present study investigated the in vivo response to mite allergens in patients with rhinitis and rhinosinusitis. METHODS All patients with presumptive nasal allergy were included. Skin tests were done with inhalants and mite extracts. Patients were classified as allergic or non-allergic according to skin tests and history. RESULTS Out of 229 patients, 175 (76.4%) showed positive skin tests. Allergic patients showed positivity to mites in 97.1% of cases, 51.4% to dog dander; 40.5% to cat dander; 36.5% to German cockroach; 22.8% to moulds; and 21.1% to grass pollens. Dermatophagoides farinae induced responses in 90.8% of patients, D. pteronyssinus in 90.1%, Blomia tropicalis in 74.8%, Glycyphagus domesticus in 62.2%, Chortoglyphus arcuatus in 58.2%, Acarus siro in 46.2%, Lepidoglyphus destructor in 35.4%, and Tyrophagus putrescentiae in 35.0%. Higher correlations were found between skin test diameters induced by mites from the same family. CONCLUSIONS Sensitisation to inhalant allergens is present in 76% of allergy clinics' patients with rhinitis or rhinosinusitis. Our results confirm previous observations showing that mites constitute the most important cause of respiratory allergy in tropical settings and suggest that mite allergen cross-reactivity is responsible for the positivity of skin tests to mites not present in the patient's environment since the species Glycyphagus, Chortoglyphus, Acarus, Lepidoglyphus and Tyrophagus have not been found in Caracas house dust.
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31
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Takahashi K, Taniguchi M, Fukutomi Y, Sekiya K, Watai K, Mitsui C, Tanimoto H, Oshikata C, Tsuburai T, Tsurikisawa N, Minoguchi K, Nakajima H, Akiyama K. Oral mite anaphylaxis caused by mite-contaminated okonomiyaki/ pancake-mix in Japan: 8 case reports and a review of 28 reported cases. Allergol Int 2014; 63:51-6. [PMID: 24569151 DOI: 10.2332/allergolint.13-oa-0575] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Accepted: 08/27/2013] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Anaphylaxis after the ingestion of foods contaminated with mites has recently been recognized. Case series and case reports thus far have shown that mite-contaminated wheat flour is the major cause of oral mite anaphylaxis. However, we have found 8 cases of oral mite anaphylaxis which were caused by mite-contaminated okonomiyaki-mix, a savory Japanese style pancake mix, in our hospital. METHODS In addition to our 8 cases, the databases of MEDLINE and ICHUSHI were systematically searched for patients with oral mite anaphylaxis in Japan. RESULTS Thirty-six patients including our 8 cases with oral mite anaphylaxis were identified. Thirty-four out of 36 cases (94%) ingested okonomiyaki or takoyaki, prepared at home using okonomiyaki-mix or takoyaki-mix which was previously opened and stored for months at ambient temperature. Microscopic examination of culprit mixes of 16 cases including our 1 case revealed contamination of mites such as Dermatophagoides farina (Der f) (5 cases), Tyrophagus putrescentiae (Tyr p) (4 cases), and Dermatophagoides pteronyssinus (Der p) (3 cases). The specific IgE to each mite is generally upregulated in these patients. Especially, the titers of specific IgE to Der p and Der f were more than class 2 in all cases. CONCLUSIONS Mite-contaminated flavored flour is the major cause of oral mite anaphylaxis in Japan.
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Affiliation(s)
- Kentaro Takahashi
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan; Department of Allergy and Clinical Immunology, Chiba University Hospital, Chiba, Japan
| | - Masami Taniguchi
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Yuma Fukutomi
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Kiyoshi Sekiya
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Kentaro Watai
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Chihiro Mitsui
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Hidenori Tanimoto
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Chiyako Oshikata
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Takahiro Tsuburai
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Naomi Tsurikisawa
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Kenji Minoguchi
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Hiroshi Nakajima
- Department of Allergy and Clinical Immunology, Chiba University Hospital, Chiba, Japan
| | - Kazuo Akiyama
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
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Portnoy J, Miller JD, Williams PB, Chew GL, Miller JD, Zaitoun F, Phipatanakul W, Kennedy K, Barnes C, Grimes C, Larenas-Linnemann D, Sublett J, Bernstein D, Blessing-Moore J, Khan D, Lang D, Nicklas R, Oppenheimer J, Randolph C, Schuller D, Spector S, Tilles SA, Wallace D. Environmental assessment and exposure control of dust mites: a practice parameter. Ann Allergy Asthma Immunol 2013; 111:465-507. [PMID: 24267359 PMCID: PMC5156485 DOI: 10.1016/j.anai.2013.09.018] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Accepted: 09/20/2013] [Indexed: 12/15/2022]
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Abstract
Oral mite anaphylaxis is a new syndrome characterized by severe allergic manifestations occurring in atopic patients shortly after the intake of foods made with mite-contaminated wheat flour. This clinical entity, observed more frequently in tropical/subtropical environments, is more often triggered by pancakes and for that reason it has been designated "pancake syndrome". Because cooked foods are able to induce the symptoms, it has been proposed that thermoresistant allergens are involved in its production. A novel variety of this syndrome occurs during physical exercise and therefore has been named dust mite ingestion-associated exercise-induced anaphylaxis. To prevent mite proliferation and the production of anaphylaxis, it has been recommended that wheat flour be stored at low temperatures in the refrigerator.
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34
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Anaphylaxis from ingestion of mites: pancake anaphylaxis. J Allergy Clin Immunol 2012; 131:31-5. [PMID: 23154081 DOI: 10.1016/j.jaci.2012.09.026] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 09/17/2012] [Accepted: 09/26/2012] [Indexed: 12/16/2022]
Abstract
Oral mite anaphylaxis is a new syndrome characterized by severe allergic symptoms occurring immediately after eating foods made with mite-contaminated wheat flour. This syndrome, which is more prevalent in tropical environments, is triggered more often by pancakes, and for that reason, it has been designated "the pancake syndrome." Because cooked foods are able to induce the symptoms, it has been suggested that thermoresistant allergens are involved in its pathogenesis. A variety of this syndrome can occur during physical exercise (dust mite ingestion-associated exercise-induced anaphylaxis).
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35
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Sánchez-Borges M, Fernández-Caldas E, Capriles-Hulett A, Caballero-Fonseca F. Mite-induced inflammation: More than allergy. ALLERGY & RHINOLOGY 2012; 3:e25-9. [PMID: 22852126 PMCID: PMC3404474 DOI: 10.2500/ar.2012.3.0025] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Clinical observations have suggested that there is an association of atopic conditions with hypersensitivity reactions to nonsteroidal anti-inflammatory drugs (NSAIDs). This relationship has been especially present in patients allergic to mites. This study was designed to review clinical and experimental evidence linking atopy, mite allergy, and hypersensitivity to aspirin and NSAIDs and discuss the possible mechanisms explaining this association. A review of the medical literature concerning the association of atopic diseases, mite hypersensitivity, and intolerance to NSAIDs using PubMed and other relevant articles is presented. NSAID-sensitive patients are frequently atopic and allergic to mites, and patients who develop oral mite anaphylaxis (OMA) show an increased prevalence of NSAID hypersensitivity. The study of atopic, mite-sensitive patients, who experience urticaria and angioedema when exposed to NSAIDs and patients with OMA suggests an interesting interaction between atopic allergy and disorders of leukotriene synthesis or metabolism. Various mechanisms that could be involved in this interaction are presented, including genetic factors, inhibition of cyclooxygenase-1, and other effects (not related to IgE sensitization) of mite constituents on the immune system. The association of mite hypersensitivity with aspirin/NSAIDs intolerance has been confirmed and provides additional clues to various nonallergic pathways that may contribute to the acute and chronic inflammatory process observed in atopic, mite-allergic, individuals. The clinical relevance of these observations is presently under investigation.
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Affiliation(s)
- Mario Sánchez-Borges
- From the Department of Allergy and Immunology, Centro Médico-Docente La Trinidad, Caracas, Venezuela, and
| | | | - Arnaldo Capriles-Hulett
- From the Department of Allergy and Immunology, Centro Médico-Docente La Trinidad, Caracas, Venezuela, and
| | - Fernan Caballero-Fonseca
- From the Department of Allergy and Immunology, Centro Médico-Docente La Trinidad, Caracas, Venezuela, and
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36
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Abstract
The allergist is frequently called on to evaluate patients after episodes of anaphylaxis to determine the cause and implement preventive measures that will reduce the patient's risk from future episodes. The etiology of anaphylaxis can be the result of numerous causes that may go undiagnosed if a thorough evaluation is not performed. We present a 71-year-old man with no history of food allergy or atopy who presented to the emergency room and then our allergy clinic for evaluation after suffering anaphylaxis after a meal of grits and shrimp. The underlying diagnosis, which was subsequently determined, requires a high index of suspicion and should be included in the differential diagnosis of any patient presenting with unexplained anaphylaxis.
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Affiliation(s)
- Jonathon Posthumus
- Division of Allergy and Immunology, Department of Internal Medicine, University of Virginia Health System, Charlottesville, Virginia 22908-1355, USA.
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37
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Platts-Mills TAE, Woodfolk JA. Allergens and their role in the allergic immune response. Immunol Rev 2011; 242:51-68. [PMID: 21682738 DOI: 10.1111/j.1600-065x.2011.01021.x] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Allergens are recognized as the proteins that induce immunoglobulin E (IgE) responses in humans. The proteins come from a range of sources and, not surprisingly, have many different biological functions. However, the delivery of allergens to the nose is exclusively on particles, which carry a range of molecules in addition to the protein allergens. These molecules include pathogen-associated molecular patterns (PAMPs) that can alter the response. Although the response to allergens is characterized by IgE antibodies, it also includes other isotypes (IgG, IgA, and IgG4), as well as T cells. The challenge is to identify the characteristics of these exposures that favor the production of this form of response. The primary features of the exposure appear to be the delivery in particles, such as pollen grains or mite feces, containing both proteins and PAMPs, but with overall low dose. Within this model, there is a simple direct relationship between the dose of exposure to mite or grass pollen and the prevalence of IgE responses. By contrast, the highest levels of exposure to cat allergen are associated with a lower prevalence of IgE responses. Although the detailed mechanisms for this phenomenon are not clear, it appears that enhanced production of interleukin-10 in response to specific Fel d 1 peptides could influence the response. However, it is striking that the animal sources that are most clearly associated with decreased responses at high allergen dose are derived from animals from which humans evolved more recently (∼65 million years ago). Although the nose is still recognized as the primary route for sensitization to inhalant allergens, there is increasing evidence that the skin is also an important site for the generation of IgE antibody responses. By contrast, it is now evident that delivery of foreign proteins by the oral route or sublingually will favor the generation of tolerance.
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Affiliation(s)
- Thomas A E Platts-Mills
- Asthma and Allergic Diseases Center, University of Virginia Health System, Charlottesville, VA 22908-1355, USA.
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Bessot JC, Pauli G. [House dust mites and their allergens]. Rev Mal Respir 2011; 28:227-39. [PMID: 21402236 DOI: 10.1016/j.rmr.2010.09.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Accepted: 09/10/2010] [Indexed: 11/25/2022]
Abstract
The taxonomy, anatomy, life cycle and ecology of Pyroglyphidae mites and storage mites (Acaridae, Glycyphagidae, B. tropicalis) are described. Pyroglyphidae and storage mites have similar morphologies: they are octopods, with characteristic gnathosoma and sensory hairs. Salivary glands and the mid gut produce most of the allergens excreted, which are enzymatic proteins. Biological cycles and development are similar, although fecundity is superior in storage mites compared to the Pyroglyphides. Relative humidity is the main parameter, which regulates mite development, with a higher degree of temperature and humidity required for storage mites. Bedding is the ecological niche of Pyroglyphidae, which feed on human skin. Moulds and food products are the storage mite biotope from which they spread in the dwelling. Initially considered as rural mites, storage mites are also present in urban dwellings. B. tropicalis, in tropical regions is a true domestic mite. Because of this, it is justified to denominate Pyroglyphidae "house dust mites" and storage mites "domestic mites". In addition to the respiratory allergic symptoms, the storage mites can also cause occupational contact dermatoses.
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Affiliation(s)
- J-C Bessot
- Ariale, bâtiment ancienne ophtalmologie, hôpital civil, 1 place de l'Hôpital, Strasbourg cedex, France
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39
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Affiliation(s)
- I Sánchez-Machín
- Unidad de Investigación, Hospital Universitario NS Candelaria, Tenerife, Spain
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40
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Sánchez-Borges M, Capriles-Hulett A, Caballero-Fonseca F. A novel non–IgE-mediated pathway of mite-induced inflammation. J Allergy Clin Immunol 2010; 126:403-4. [DOI: 10.1016/j.jaci.2010.05.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2010] [Revised: 05/02/2010] [Accepted: 05/12/2010] [Indexed: 11/26/2022]
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41
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Mariana A, Heah SK, Wong AL, Ho TM. The occurrence of arthropods in processed rice products in Malaysia. ASIAN PAC J TROP MED 2010. [DOI: 10.1016/s1995-7645(10)60133-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Abstract
BACKGROUND Ingestion of flour contaminated with dust mite may trigger severe anaphylaxis in tropical and sub-tropical regions. AIMS This study aimed to evaluate environmental factors that affect dust mite propagation in the tropics. MATERIALS & METHODS Dust mites were introduced to a variety of flour samples and incubated at two different environmental conditions. RESULTS It was found that dust mites populations flourished best in wheat flour compared to other varieties of flour, and at ambient temperatures with high humidity instead of the air conditioned environment. CONCLUSION Dust mite infestation of flour is dependent on the presence of wheat and high ambient temperature in the tropics.
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Affiliation(s)
- F C Yi
- Department of Paediatrics, National University of Singapore, Singapore
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43
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Iglesias-Souto J, Sánchez-Machín I, Iraola V, Poza P, González R, Matheu V. Oral mite anaphylaxis by Thyreophagus entomophagus in a child: a case report. Clin Mol Allergy 2009; 7:10. [PMID: 19939244 PMCID: PMC2789704 DOI: 10.1186/1476-7961-7-10] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2009] [Accepted: 11/25/2009] [Indexed: 11/16/2022] Open
Abstract
Sensitization to Thyreophagus entomophagus, a storage mite, is uncommon and might produce occupational respiratory disorders in farmers. We present the first case of a child suffering anaphylaxis produced by ingestion of contaminated flour with Thyreophagus entomophagus.
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Affiliation(s)
- Javier Iglesias-Souto
- Consulta de Alergia Infantil, Allergy Service, Hospital Universitario NS Candelaria, S/C Tenerife, Spain.
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44
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45
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Sánchez-Borges M, Suárez-Chacon R, Capriles-Hulett A, Caballero-Fonseca F, Iraola V, Fernández-Caldas E. Pancake syndrome (oral mite anaphylaxis). World Allergy Organ J 2009; 2:91-6. [PMID: 23283016 PMCID: PMC3651046 DOI: 10.1186/1939-4551-2-5-91] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Oral mite anaphylaxis is a new syndrome characterized by severe allergic manifestations occurring in atopic patients shortly after the intake of foods made with mite-contaminated wheat flour. This clinical entity, observed more frequently in tropical/subtropical environments, is more often triggered by pancakes and for that reason it has been designated "pancake syndrome". Because cooked foods are able to induce the symptoms, it has been proposed that thermoresistant allergens are involved in its production. A novel variety of this syndrome occurs during physical exercise and therefore has been named dust mite ingestion-associated exercise-induced anaphylaxis. To prevent mite proliferation and the production of anaphylaxis, it has been recommended that wheat flour be stored at low temperatures in the refrigerator.
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Affiliation(s)
- Mario Sánchez-Borges
- Centro Médico-Docente La Trinidad, Caracas, Venezuela
- Clínica El Avila, Caracas, Venezuela
| | | | - Arnaldo Capriles-Hulett
- Centro Médico-Docente La Trinidad, Caracas, Venezuela
- Hospital San Juan de Dios, Caracas, Venezuela
| | - Fernan Caballero-Fonseca
- Centro Médico-Docente La Trinidad, Caracas, Venezuela
- Centro Médico de Caracas, Caracas, Venezuela
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46
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Brazis P, Serra M, Sellés A, Dethioux F, Biourge V, Puigdemont A. Evaluation of storage mite contamination of commercial dry dog food. Vet Dermatol 2009; 19:209-14. [PMID: 18494758 DOI: 10.1111/j.1365-3164.2008.00676.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Storage mites may be considered important allergens in dogs with atopic dermatitis. High sensitization rates to Tyrophagus, Acarus, and Lepidoglyphus species have been reported in atopic dogs, and dry pet food has been suggested as a potential source of storage mite exposure. The aim of the present study was to evaluate commercial dry dog food for contamination with storage mites, and how storage time and conditions could influence the risk of contamination. Ten different premium commercial dry dog foods formulated for skin disorders were selected. Food bags were opened and stored for 6 weeks under two different environmental conditions. At different time points, samples from each bag were collected and analysed by microscopy, guanine test, storage mite-specific traps, and a modified flotation technique. On opening, two storage mites identified as Acarus siro were isolated from one of the 10 bags by flotation technique, indicating that storage mites can be present in packaged dry dog food bags. After 5 weeks of storage under environmental conditions optimal for mite growth (23.2 +/- 2.1 degrees C and 71 +/- 5.6% of relative humidity), mites were detected by microscopic observation in nine of the 10 diets. When mites were identified by the flotation technique, Tyrophagus spp. were found to be the most common contaminating species. These results show that dry dog food can be a suitable substrate for storage mite reproduction, and that environmental and storage conditions may influence food contamination and mite development.
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Affiliation(s)
- Pilar Brazis
- UNIVET, SL, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
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47
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Sánchez-Borges M, Capriles-Hulett A, Caballero-Fonseca F. Additional information on the pancake syndrome. Ann Allergy Asthma Immunol 2008; 101:221. [PMID: 18727482 DOI: 10.1016/s1081-1206(10)60215-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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48
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Hannaway PJ, Miller JD. The pancake syndrome (oral mite anaphylaxis) by ingestion and inhalation in a 52-year-old woman in the northeastern United States. Ann Allergy Asthma Immunol 2008; 100:397-8. [PMID: 18450130 DOI: 10.1016/s1081-1206(10)60607-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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49
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Dunn JA, Thind BB, Danks C, Chambers J. Rapid method for the detection of storage mites in cereals: feasibility of an ELISA based approach. BULLETIN OF ENTOMOLOGICAL RESEARCH 2008; 98:207-213. [PMID: 18279566 DOI: 10.1017/s0007485308005634] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
This paper describes the development of rapid immunodiagnostic tests for the detection of storage mite infestations in cereals and cereal products. The study's first phase (proof of concept) involved the production of a species-specific enzyme-linked immunoassay (ELISA) for the flour mite, Acarus siro (L.), a major pest of stored commodities. The specificity of this new assay was assessed against key stored product contaminants (13 species of mites of which three were predatory, five species of insects and five species of fungi) in the presence and absence of grain. The assay was species-specific (no cross-reactivity to other storage contaminants) and was unaffected by the presence of cereal antigens in the extract. In the study's second phase, species- and genera-specific ELISAs were developed for a range of key storage mite pests: the cosmopolitan food mite (Lepidoglyphus destructor), the grocers' itch mite (Glycyphagus domesticus), the grainstack mite (Tyrophagus longior), mites of the Tyrophagus and Glycyphagus generas, and all storage mites. All tests were demonstrably specific to target species or genera, with no cross-reactions observed to other storage pest contaminants or cereals. The final, validation phase, involved a comparative assessment of the species-specific A. siro and the genus-specific Tyrophagus ELISAs with the flotation technique using laboratory and field samples. Both ELISAs were quantitative (0-30 mites per 10 g wheat) and produced good comparative data with the flotation technique (A. siro r(2)=0.91, Tyrophagus spp. r(2)=0.99).
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Affiliation(s)
- J A Dunn
- Central Science Laboratory, Department for Environment, Food and Rural Affairs, Sand Hutton, York, UK.
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50
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Sánchez-Borges M, Iraola V, Fernández-Caldas E, Capriles-Hulett A, Caballero-Fonseca F. Dust mite ingestion-associated, exercise-induced anaphylaxis. J Allergy Clin Immunol 2007; 120:714-6. [PMID: 17531300 DOI: 10.1016/j.jaci.2007.04.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2007] [Revised: 04/16/2007] [Accepted: 04/17/2007] [Indexed: 11/26/2022]
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