12 January - 20 June 2016

Link between peanut in household dust and peanut allergy

03 December 2014

A recent publication in the Journal of Allergy and Clinical Immunology suggests that a trigger of peanut allergy may be due to the exposure to peanut protein in household dust.  The research conducted by Sampson et al. with four sites in the United States and King’s College London, involved 359 children aged between 3 and 15 months who were taking part in the NIH-sponsored Consortium for Food Allergy Research (CoFAR) study.  The children were considered to be at high risk of developing a peanut allergy based on having likely egg or milk allergy or eczema.  Hugh Sampson, MD, Professor of Pediatrics, Dean of Translational Biomedical Sciences at the Ichan School of Medicine, Director of the Jaffe Food Allergy Institute at The Mount Sinai Hospital, and the Principal Investigator for the CoFAR said ‘the relationship was especially strong among children with severe atopic dermatitis (eczema) suggesting that exposure to peanut in the environment through an impaired skin barrier could be a risk’.  The investigators noted that further work was needed and that it was too early to make any recommendations on the results.  Research is needed to see if early interventions, such as earlier food consumption, improving the damaged skin barrier, or reducing household exposure will counter the development of peanut allergy. [Science Daily]


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