The association between phthalate exposure and atopic dermatitis with a discussion of phthalate induced secretion of interleukin-1β and thymic stromal lymphopoietin

Line E K Overgaard, Charlotte M Bonefeld, Hanne Frederiksen, Katharina M Main, Jacob P Thyssen

6 Citationer (Scopus)

Abstract

Phthalate diesters are widely used as emollients in plastic and cosmetics as well as in food packaging and perfumes, potentially leading to prolonged and repeated dermal, oral and airborne exposure. We here review published articles that have evaluated the putative role of phthalate diesters in the pathogenesis of atopic dermatitis and discuss possible pathogenic pathways. A literature search resulted in 563 articles in Embase and 263 articles in Pubmed. After identification of relevant articles based on screening of titles, abstracts and reference lists, a total of 39 articles were selected and included. While no clear association has been shown between systemic phthalate levels and atopic dermatitis in human studies, animal data suggests that phthalates may worsen dermatitis and in vitro data suggests that interleukin-4 could be upregulated. Moreover, both loss-of-function mutations in the filaggrin gene and atopic dermatitis have been associated with elevated systemic phthalate levels. There is a need for prospective studies to clarify the possible pathogenic role of phthalate diesters in atopic dermatitis and the associated health risk, especially with the general trend towards barrier restoration with emollients in infants at risk of developing atopic dermatitis. In summary, we conclude that the results from published studies are controversial and inconclusive.

OriginalsprogEngelsk
TidsskriftExpert Review of Clinical Immunology
Vol/bind12
Udgave nummer6
Sider (fra-til)609-16
Antal sider8
ISSN1744-666X
DOI
StatusUdgivet - jun. 2016

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