Allergy. 2021 Mar 2. doi: 10.1111/all.14797. Online ahead of print.


Sensitization to one or more non-specific lipid transfer proteins(nsLTP), initially thought to exist mainly in southern Europe,is becoming accepted as a cause of allergic reactions to plant foods across Europe and beyond.The peach nsLTP allergen Pru p 3 is a dominant sensitizing allergen, and peaches a common food trigger, although multiple foods can be involved. A frequent feature of reactions is the requirement for a co-factor (exercise, alcohol, non-steroidal anti-inflammatory drugs, Cannabis sativa)to be present for a food to elicit a reaction. The variability in the food and co-factor triggers make it essential to include an allergy focused diet and clinical history in the diagnostic work-up. Testing on suspected food triggers, should also establish whether sensitization to nsLTP is present, usingpurified or recombinant nsLTP allergens such as Pru p 3. Theavoidance of known trigger foods and advice on co-factors is currently the main management for this condition. Studies on immunotherapy are promising, but it is unknown whether such treatments will be useful in populations where Pru p 3 is not the primary sensitizing allergen. Future research should focus on the mechanisms of co-factors, improving diagnostic accuracy and establishing the efficacy of immunotherapy.

PMID:33655502 | DOI:10.1111/all.14797

Source: ncbi 2

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