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Shrimp allergy

T R Bedolla-Pulido, M Bedolla-Barajas, J Morales-Romero, T I Bedolla-Pulido, M V Domínguez-García, D D Hernández-Colín, M V Flores-Merino
BACKGROUND: The prevalence of food allergy is on the rise on a global scale. OBJECTIVE: To determine the prevalence of food hypersensitivity (FHS) and probable food allergy (PFA), as well as the foods and factors associated with these occurrences. METHODS: A cross-sectional study was carried out among 1992 adolescents (aged 15-18 years). Each adolescent answered a structured questionnaire. A multivariate analysis was used to identify the association between the variables...
November 29, 2018: Allergologia et Immunopathologia
Natalia Ukleja-Sokołowska, Ewa Gawrońska-Ukleja, Kinga Lis, Magdalena Żbikowska-Gotz, Łukasz Sokołowski, Zbigniew Bartuzi
Background: An allergy to mango is extremely rare. The antigenic composition of the fruit is not fully known. Profilin from mango has a structure similar to birch tree profiling: it is responsible for cross-reactions between mango and pear, apple, and peach. A panallergen with a structure similar to mugwort defensin (Art v 1) which cross-reacts with celery, carrot, peanuts, pepper, aniseed, and caraway has been previously described. Case study: A female patient, 30 years old, was admitted in February 2017 because of recurrent allergic reactions following consumption of various foods...
2018: Allergy, Asthma, and Clinical Immunology
Shinsuke Hidese, Shun Nogawa, Kenji Saito, Hiroshi Kunugi
BACKGROUND: Although some studies suggest a possible association between food allergy (FA) and depression/psychological distress, empirical data are still scarce. We aimed to examine whether this association exists in a large sample of the Japanese population. METHODS: This web-based cross-sectional survey included 1000 individuals with self-reported lifetime history of clinical depression (mean age: 41.4 years, 501 men), and the remaining 10,876 subjects served as controls (mean age: 45...
October 26, 2018: Journal of Affective Disorders
Francisco Cabrera-Chávez, Cecilia Ivonne Rodríguez-Bellegarrigue, Oscar Gerardo Figueroa-Salcido, Jesús Aristeo Lopez-Gallardo, Jesús Gilberto Arámburo-Gálvez, Marcela de Jesús Vergara-Jiménez, Mónica Lizzette Castro-Acosta, Norberto Sotelo-Cruz, Martina Hilda Gracia-Valenzuela, Noé Ontiveros
The prevalence of food allergy (FA) has not been estimated at a population level in Central American countries and, consequently, the magnitude and relevance of the problem in the Central American region remains unknown. Thus, our aim was to evaluate the parent-reported prevalence of FA in a population of schoolchildren from the Central American country El Salvador. A Spanish version of a structured questionnaire was utilized. Five hundred and eight (508) parents returned the questionnaire with valid responses (response rate, 32%)...
November 2, 2018: International Journal of Environmental Research and Public Health
Linglin Fu, Chong Wang, Jinbao Wang, Saiqiao Ni, Yanbo Wang
Tropomyosin (TM), the predominant shellfish allergen, has induced severe food allergy worldwide, but efficient prevention and cure measures are limited nowadays. In the present study, we introduced an approach to eliminate Penaeus chinensis TM by Maillard reaction with reducing sugars including ribose, galacto-oligosaccharide (GOS) and chitosan-oligosaccharide (COS), which reduced the allergenicity by up to 60%. We also evaluated the conformational changes of TM during reaction by far-UV circular dichroism, and found the reaction-induced alternation from α-helix to β-sheet...
February 15, 2019: Food Chemistry
Ariadne Hernández-Pérez, Jesús Alejandro Zamora-Briseño, Eliel Ruiz-May, Alejandro Pereira-Santana, José Miguel Elizalde-Contreras, Sirenia Pozos-González, Edgar Torres-Irineo, Jorge Hernández-López, Martha Gabriela Gaxiola-Cortés, Rossanna Rodríguez-Canul
To elucidate the proteomic responses of shrimp hemocytes to white spot syndrome virus (WSSV) infection at the proteome level, a quantitative shotgun proteomic analysis was performed to detect differentially synthesized proteins in infected hemocytes of white shrimp (Litopenaeus vannamei). We identified 1528 proteins associated to 203 gene ontology (GO) categories. The most representative GO categories were regulation of cellular processes, organic substance metabolic processes and nitrogen compound metabolic processes...
February 2019: Developmental and Comparative Immunology
Jeffrey D Miller
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...
June 23, 2018: Clinical Reviews in Allergy & Immunology
Jose K James, Douglas H Pike, I John Khan, Vikas Nanda
To what extent do structural and biophysical features of food allergen proteins distinguish them from other proteins in our diet? Invertebrate tropomyosins (Tpms) as a class are considered "pan-allergens," inducing food allergy to shellfish and respiratory allergy to dust mites. Vertebrate Tpms are not known to elicit allergy or cross-reactivity, despite their high structural similarity and sequence identity to invertebrate homologs. We expect allergens are sufficiently stable against gastrointestinal proteases to survive for immune sensitization in the intestines, and that proteolytic stability will correlate with thermodynamic stability...
July 3, 2018: Structure
Y L Chu, A H Yan, X H Tai, X J Jiang, L Hui, F F Jiang, Y Hu
Objective: To discuss multiple-factor analysis of serum allergen distribution of patients with allergic rhinitis and level of main allergen IgE in Shenyang area, and to provide a scientific basis for the prevention of allergic rhinitis in this area. Method: Serum IgE was detected in 749 cases[501 cases of male (66.8%), and 248 cases of female (33.2%)], with allergic rhinitis.The age range was from 3 to 65 years old, and they were divided into 5 groups based on age. A questionnaire survey was conducted to analyze the distribution of serum allergens and to carry out a multiple-factor analysis of level of the main allergen IgE in patients...
April 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
Karen Thursday S Tuano, Carla M Davis
No abstract text is available yet for this article.
November 2018: Journal of Allergy and Clinical Immunology in Practice
Witchaya Srisuwatchari, Pakit Vichyanond
Background: Prevalence of food allergy is increasing all over the world including in Asia. Diagnosis of food allergy in Asia is usually made after family complaints or by elimination and/or reintroduction foods. This could lead to an inaccurate diagnosis and to incorrect information on epidemiology of food allergy. We, herein, reported results of a 16-year experience (1996-2012) of oral food challenge (OFC) performed in pediatric patients at a major teaching hospital in Thailand. Objective: The major objectives of this report are to review types of foods selected for oral challenges, frequency of positive/negative challenges to these foods and the clinical reactions during challenges among these children...
April 2018: Asia Pacific Allergy
Ma Victoria Domínguez-García, Miriam V Flores-Merino, Cecilia Puente-Fernández, Jaime Morales-Romero, Martín Bedolla-Barajas
Background: In developing countries, there is a lack of epidemiological information related to food hypersensitivity, including nuts and seafood. Objective: The aim was to determine the prevalence of allergic reactions and clinical manifestations associated with the consumption of nuts and seeds or seafood in university students. Methods: We designed an observational cross-sectional study. A structured questionnaire was applied to Mexican university students to identify allergic reactions associated with the consumption of nuts and seeds, and seafood...
April 2018: Asia Pacific Allergy
Bernard Yu-Hor Thong, Shalini Arulanandam, Sze-Chin Tan, Teck-Choon Tan, Grace Yin-Lai Chan, Justina Wei-Lyn Tan, Mark Chong-Wei Yeow, Chwee-Ying Tang, Jinfeng Hou, Khai-Pang Leong
Background: All Singaporean males undergo medical screening prior to compulsory military service. A history of possible food allergy may require referral to a specialist Allergy clinic to ensure that special dietary needs can be taken into account during field training and deployment. Objective: To study the pattern of food allergy among pre-enlistees who were referred to a specialist allergy clinic to work up suspected food allergy. Methods: Retrospective study of all pre-enlistees registered in the Clinical Immunology/Allergy New Case Registry referred to the Allergy Clinic from 1 August 2015 to 31 May 2016 for suspected food allergy...
April 2018: Asia Pacific Allergy
Steffie de Gier, Kitty Verhoeckx
Insects represent an alternative for meat and fish in satisfying the increasing demand for sustainable sources of nutrition. Approximately two billion people globally consume insects. They are particularly popular in Asia, Latin America, and Africa. Most research on insect allergy has focussed on occupational or inhalation allergy. Research on insect food safety, including allergenicity, is therefore of great importance. The objective of this review is to provide an overview of cases reporting allergy following insect ingestion, studies on food allergy to insects, proteins involved in insect allergy including cross-reactive proteins, and the possibility to alter the allergenic potential of insects by food processing and digestion...
August 2018: Molecular Immunology
Chih-Hung Lee, Chia-Ching Wu, Yu-Chang Tyan, Wei-Tai Yu, Edward S Huang, Hsu-Sheng Yu
Food allergy is one of the most important health issues worldwide. In Taiwan, current literature suggests shrimps and crabs are the most common causes of food allergy, and are frequently associated with acute allergic reactions such as urticaria, atopic dermatitis, and asthma. However, knowledge regarding the shrimp allergens remains limited. Thus, there is an urgent need to establish comprehensive information for elucidating underlying triggers for food allergy. In this study, whiteleg shrimp (Litopenaeus vannamei) was used to evaluate the IgE-binding properties of various shrimp proteins to 7 allergic patients' sera by western blot...
August 30, 2018: Food Chemistry
Hideo Ozawa, Koji Umezawa, Mitsunori Takano, Shoichiro Ishizaki, Shugo Watabe, Yoshihiro Ochiai
Ingestion of marine invertebrates often causes food allergy, where the major allergens have been reported to be derived from tropomyosin (TM). Intact or the digestive fragments of food allergens generally show resistance to digestion, which is usually attributable to the structural stability (or rigidity). The difference in the structural and dynamical characteristics between the epitope and the non-epitope regions in TM has not yet been well understood. In the present study, molecular dynamics simulation was performed at constant pHs for shrimp TM...
March 25, 2018: Biochemical and Biophysical Research Communications
Linglin Fu, Jinbao Wang, Saiqiao Ni, Chong Wang, Yanbo Wang
Chinese shrimp ( Penaeus chinensis) is widely cultured and consumed in Asia but is also a major food allergen locally. Although they may be the foundation for preventing and treating allergies, the allergenic epitopes of the major allergens tropomyosin (TM) and arginine kinase (AK) in Penaeus chinensis have not been identified. Here, we applied Immunoinfo-CB (immunoinformatics coupled with competitive-binding strategy) to address the point. Potential allergenic epitopes of TM and AK were predicted by multiple immunoinformatics tools, followed by validating with inhibitory dot-blot assay, indirect competition ELISA, and mast cell degranulation assay...
March 21, 2018: Journal of Agricultural and Food Chemistry
Naina Gour, Stephane Lajoie, Ursula Smole, Marquitta White, Donglei Hu, Pagé Goddard, Scott Huntsman, Celeste Eng, Angel Mak, Sam Oh, Jung-Hyun Kim, Annu Sharma, Sophie Plante, Ikhlass Haj Salem, Yvonne Resch, Xiao Xiao, Nu Yao, Anju Singh, Susanne Vrtala, Jamila Chakir, Esteban G Burchard, Andrew P Lane, Marsha Wills-Karp
The key factors underlying the development of allergic diseases-the propensity for a minority of individuals to develop dysfunctional responses to harmless environmental molecules-remain undefined. We report a pathway of immune counter-regulation that suppresses the development of aeroallergy and shrimp-induced anaphylaxis. In mice, signaling through epithelially expressed dectin-1 suppresses the development of type 2 immune responses through inhibition of interleukin-33 (IL-33) secretion and the subsequent recruitment of IL-13-producing innate lymphoid cells...
February 23, 2018: Science Immunology
Guodong Hao, Xuxin Lai, Zhijing Song, Zhixing Wang, Xing-Ai Kong, Haifeng Zhong, Sui Fu Hui, Yiwu Zheng
Background: The prevalence of adverse food reactions in patients with chronic inhalant diseases has seldom been studied in China. This study is to investigate the prevalence of adverse food reactions and the symptoms caused in respiratory patients. Methods: Respiratory patients in allergy clinics were asked to complete a questionnaire. Patients' information such as age, gender, family history of allergy, and adverse reactions to a list of 48 foods and the symptoms caused, was recorded...
2018: Allergy, Asthma, and Clinical Immunology
R A Fernandes, F Regateiro, C Pereira, E Faria, J Pita, A Todo-Bom, I Carrapatoso
Background. Anaphylaxis is an acute, potentially fatal, multi-organ allergic reac-tion. Our aim was to characterize the population with food induced anaphylaxis followed over a one-year period. Methods. Retrospective analysis of clinical files of patients with food anaphylaxis observed in our food allergy consultation during 2016. Results. Sixty-two patients were included. In the pediatric group, the implicated allergens were cow's milk, egg and fish and in the adults' group, the commonest allergens were nuts and wheat...
March 2018: European Annals of Allergy and Clinical Immunology
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