Japanese guidelines for food allergy 2020

Ebisawa, Motohiro; Ito, Komei; Fujisawa, Takao; Aihara, Yukoh; Ito, Setsuko; Imai, Takanori; Ohshima, Yusei; Ohya, Yukihiro; Kaneko, Hideo; Kondo, Yasuto; Shimojo, Naoki; Nagao, Mizuho; Ito, Yasunori; Inoue, Yuzaburo; Okafuji, Ikuo; Sato, Sakura; Nakajima, Yoshiyuki; Nishimoto, Hajime; Fukuie, Tatsuki; Futamura, Masaki; Manabe, Tetsuharu; Yanagida, Noriyuki; Yamada, Yoshiyuki; Urisu, Atsuo

doi:10.1016/j.alit.2020.03.004

Cited by 222 publications

(180 citation statements)

References 73 publications

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“…To our knowledge, this is the first study to describe the allergenic potency of parvalbumin and collagen in dogs as the property of being able to induce subsequent production of allergen-specific IgE antibodies. Parvalbumin has a higher allergenic potency than collagen in humans with cod allergy [2]. The present study revealed that the rate of collagen allergy was higher than that of parvalbumin in dogs ( Figure 5) and collagen elicited a stronger reactivity than that based on specific IgE levels compared with parvalbumin in these animals (Figure 2A).…”

Section: Discussionmentioning

confidence: 47%

IgE reactivity to fish allergens in Pacific cod (Gadus macrocephalus) in atopic dogs

Imanishi

Uchiyama

Mizukami

et al. 2020

Preprint

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Background: IgE reactivity to fish allergens in atopic dogs, which are used as models for food allergy, has not been elucidated to date. We investigated IgE reactivity to crude extracts and purified Pacific cod (Gadus macrocephalus) allergens in atopic dogs to identify the allergenic proteins of cod.Methods: Specific IgE to crude cod extracts in the sera of 179 atopic dogs, including 27 dogs with cod allergy, were measured using enzyme-linked immunosorbent assay (ELISA). The allergens of crude cod extracts were analyzed by ELISA, immunoblotting, and liquid chromatography-tandem mass spectrometry (LC-MS/MS). IgE reactivity to parvalbumin, collagen, and tropomyosin was evaluated using the sera of atopic dogs that were positive for specific IgE to crude cod extracts.Results: Specific IgE to crude cod extracts were present in 36 (20%) of the 179 atopic dogs and 12 (44%) of the 27 dogs with cod allergy. In allergen component analysis, IgE reactivity to tropomyosin and enolase was observed in the sera of dogs with cod allergy. Among the 36 dogs with IgE reactivity to crude cod extracts, 9 (25%), 14 (39%), and 18 (50%) dogs had specific IgE to parvalbumin, collagen, and tropomyosin, respectively.Conclusions: The dogs exhibited IgE reactivity to the cod allergens which observed in humans, providing support for the use of atopic dogs with fish allergy as a model for fish allergy in humans.

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Section: Discussionmentioning

confidence: 47%

IgE reactivity to fish allergens in Pacific cod (Gadus macrocephalus) in atopic dogs

Imanishi

Uchiyama

Mizukami

et al. 2020

Preprint

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“…The Japanese Society of Pediatric Allergy and Clinical Immunology recommends that the stock of allergen-free food should be enough for 1 week. 4 In this survey, only a small percentage of the respondents had stocks for >7 days, and even the parents of patients with severe allergies did not follow such a recommendation. This is similar to the Fukuie et al report, in which, even in the Shizuoka prefecture where 90% of households had stockpiles, only 30% had stockpiles adequate for 1 week.…”

Section: Discussionmentioning

confidence: 86%

Disaster preparation: Survey of patients with food allergies in Kobe, Japan

Hirase

Okafuji

Kasai

et al. 2019

Pediatrics International

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Background Securing food for patients with food allergies may be more difficult during disasters, but reports on the status of household allergen‐free food reserves in preparation for disasters are limited. This study investigated the household stock status of allergen‐free foods in preparation for disasters in Kobe City after the Great Hanshin‐Awaji Earthquake. Methods The survey targets were 172 parents of patients with a food allergy who underwent in‐hospital oral food challenge test for allergies at four hospitals from October 2016 to March 2017. Of these, 158 patients with allergies to eggs, milk and wheat were included in the analysis. The first survey was performed to investigate patient characteristics and stockpiling status of allergen‐free foods in parallel with oral food challenge tests. The second survey was performed on the follow‐up visit to investigate any changes in behavior. Results Median patient age was 3 years, with boys comprising 68.4% of the patients. Eggs were the most eliminated food, and the median number of foods avoided was 2. A total of 82.3% of parents had experienced disasters. The proportion of households that stockpiled allergy‐free meals was 42.4%, and the median amount was 3 days. The stockpiling situation did not differ according to the parents’ disaster experience. In the second survey, 45.3% had modified their stockpiling practice. Conclusions Even in this area where the Great Hanshin‐Awaji Earthquake occurred, household stockpiles of allergen‐free foods are inadequate; therefore, all medical staff should educate families about the necessity of stocking allergen‐free food for disasters.

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“…Since the publication of the European guidelines, several other societies and national bodies have released their own guidelines or consensus statements. [29][30][31][32] However, further important research has emerged in this area so the European guidelines are being updated to take account of this.…”

Section: Discussionmentioning

confidence: 99%

Preventing immediate‐onset food allergy in infants, children and adults: Systematic review protocol

Silva¹,

Halken

Singh³

et al. 2019

Pediatric Allergy Immunology

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Background: More than 17 million people across Europe have allergies to food and the burden of food allergies is increasing. In 2014, the European Academy of Allergy and Clinical Immunology (EAACI) published guidelines for preventing food allergy. Important research has been published since then and it is essential to ensure the guidelines reflect the latest evidence. A systematic review will be undertaken to help prepare new guidelines due to be published in 2020. Methods: Eleven bibliographic databases will be searched from inception to 31October 2019 for randomized controlled trials about any intervention designed to prevent the development of new cases of immediate-type/IgE-mediated food allergy in infants, children and adults. There are few randomized controlled trials about the impact of breastfeeding on food allergy so prospective cohort studies about breastfeeding with at least 1000 participants at general risk or 200 at high risk of food allergy will also be eligible. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach will be used to assess the certainty of the evidence and tabulate summary data. The risk of bias in individual trials will be assessed using the Cochrane risk of bias tool. All data extraction and quality appraisal will be undertaken independently by two reviewers in partnership with a taskforce of EAACI members. Conclusions:Preventing food allergy has the potential to improve personal well-being and reduce societal healthcare costs. It is important that forthcoming European guidelines take the latest research into account. Past reviews have tended to focus on single interventions or combined food allergy with other outcomes, making it difficult to draw robust conclusions about potential impacts for policy and practice. K E Y W O R D Sadults, children, food allergy, IgE-mediated, infants, prevention This paper sets out the protocol for a systematic review to support updating the EAACI food allergy guidelines, which are due Key MessageFood allergy affects the lives of millions of people throughout Europe and there has been much research published recently about attempts to prevent it. This evidence is of varying quality. Supported by a systematic review and expert insight, the European Academy of Allergy and Clinical Immunology's (EAACI) forthcoming guidelines will help countries, regions and individual clinicians make appropriate recommendations about the most effective and safe strategies to help prevent the individual and societal issues associated with food allergy. This article describes the methodology of a systematic review to support updating guidelines that were published in 2014.

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Japanese guidelines for food allergy 2020

Cited by 222 publications

References 73 publications

IgE reactivity to fish allergens in Pacific cod (Gadus macrocephalus) in atopic dogs

IgE reactivity to fish allergens in Pacific cod (Gadus macrocephalus) in atopic dogs

Disaster preparation: Survey of patients with food allergies in Kobe, Japan

Preventing immediate‐onset food allergy in infants, children and adults: Systematic review protocol

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