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Evaluation of biotechnology-derived novel proteins for the risk of food-allergic potential: advances in the development of animal models and future challenges

机译:评估生物技术衍生的新型蛋白质对食物过敏的风险:动物模型开发的进展和未来的挑战

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摘要

Increasing concern from the public about the safety of genetically modified food has made critical to have suitable methods for recognizing associated potential hazards. Hierarchical approaches to allergenicity determination were proposed, and these include evaluation of the structural and sequence homology and serological identity of novel proteins with existing allergens, measuring the resistance to proteolytic digestion and assessment of sensitizing potential using animal models. Allergic individuals have a predisposed (i.e. atopic) genetic background, and a close resemblance to this setup is therefore desirable in animal models, which is possible by using a strain of an animal species that is prone for allergic disorders. So far, none of the animal model has been validated for the purpose of hazard identification in the context of safety assessment. However, the available knowledge suggests that the judicious use of an appropriate animal model could provide important information about the allergic potential of novel proteins. This paper provides an up-to-date review of the progress made in the field of development of in vivo models in this direction and the further goals that have to be achieved.
机译:公众越来越关注转基因食品的安全性,因此对于找到合适的方法来识别相关的潜在危害至关重要。提出了确定变应原性的分层方法,其中包括评估具有现有变应原的新型蛋白质的结构和序列同源性以及血清学特性,测量对蛋白水解的抗性并使用动物模型评估致敏潜力。过敏性个体具有易感的(即特应性)遗传背景,因此在动物模型中希望与此设置非常相似,这可以通过使用易于发生过敏性疾病的动物物种的品系来实现。到目前为止,在安全性评估的范围内,尚未为验证危害而对任何动物模型进行验证。但是,现有的知识表明,适当使用动物模型的明智使用可以提供有关新型蛋白过敏潜力的重要信息。本文提供了在该方向上体内模型开发领域中取得的最新进展以及必须实现的其他目标的最新信息。

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