Immunological and molecular basis of anaphylaxis caused by peanut and tree nut allergy

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/124327

Funding Status
Closed

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Funded Activity Summary

An allergy to nuts is estimated to affect 1% of the population and peanuts are the major cause of fatal food-induced anaphylaxis. Five deaths occurred in the UK in 1993 which attracted media attention to the gravity of this problem. Proteins in the nut trigger a massive immunological reaction that causes the body to go into anaphylactic shock in which all the major body systems shut down. Nut allergy usually presents in infancy and persists indefinitely. As nuts are used in a wider and less visible range of food products, sensitisation is increasing and occurring earlier. It has been proposed, wrongly, that peanut (groundnut) allergic patients do not suffer from allergy to tree nuts (hazel, almond, Brazil, walnut). However a British survey of 1250 patients suffering from peanut anaphylaxis revealed that 50% of people with peanut allergy are also allergic to other nuts confirming our own clinical observations. At present, unlike insect venom allergy, grass pollen allergy and house dust mite allergy, there is no preventative treatment available. We plan to explore peanut allergy and investigate cross-reactivity between peanuts and major tree nuts to attempt to identify an allergen(s) that could explain the molecular nature of the allergy and offer approaches to immunotherapy. This information is necessary if we are to achieve safe and effective allergy shots for patients with this life long and life-threatening allergy as well as assisting in the development of better diagnostic

Funded Activity Details

Start Date: 01-01-2000

End Date: 01-01-2002

Funding Scheme: NHMRC Project Grants

Funding Amount: $195,691.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Anaesthesiology

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

T cell epitopes | allergy | allergy and asthma | anaphylaxis | nut allergens | nut allergy

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