Journal
FRONTIERS IN NUTRITION
Volume 8, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2021.667370
Keywords
wheat; amylase; trypsin-inhibitors; health; pathology; food technology; genetics
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Funding
- Nutrition Committee of the Rank Prize Funds
- StichtingWetenschappelijk Onderzoek Limburg (SWOL)
- Biotechnology and Biological Sciences Research Council (BBSRC) of the UK [BB/P016855/1]
- BBSRC [BBS/E/C/000I0250] Funding Source: UKRI
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Amylase/trypsin-inhibitors (ATIs) are proteins in wheat grains that may play a role in natural defense and adverse reactions in humans. Studies have shown that ATIs can activate the innate immune system, potentially affecting conditions like coeliac disease and non-coeliac wheat sensitivity. Further research is needed to understand the mechanisms and implications of ATIs in wheat.
Amylase/trypsin-inhibitors (ATIs) comprise about 2-4% of the total wheat grain proteins and may contribute to natural defense against pests and pathogens. However, they are currently among the most widely studied wheat components because of their proposed role in adverse reactions to wheat consumption in humans. ATIs have long been known to contribute to IgE-mediated allergy (notably Bakers' asthma), but interest has increased since 2012 when they were shown to be able to trigger the innate immune system, with attention focused on their role in coeliac disease which affects about 1% of the population and, more recently, in non-coeliac wheat sensitivity which may affect up to 10% of the population. This has led to studies of their structure, inhibitory properties, genetics, control of expression, behavior during processing, effects on human adverse reactions to wheat and, most recently, strategies to modify their expression in the plant using gene editing. We therefore present an integrated account of this range of research, identifying inconsistencies, and gaps in our knowledge and identifying future research needs. Note This paper is the outcome of an invited international ATI expert meeting held in Amsterdam, February 3-5 2020
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