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Giornale Italiano di Dermatologia e Venereologia 2017 April;152(2):140-7

DOI: 10.23736/S0392-0488.16.05533-4

Copyright © 2016 EDIZIONI MINERVA MEDICA

lingua: Inglese

Profile of skin barrier proteins and cytokines in adults with atopic dermatitis

Raquel L. ORFALI, Mariana C. ZANIBONI, Valeria AOKI

Department of Dermatology, University of Sao Paulo Medical School, Sao Paulo, Brazil


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Atopic dermatitis (AD), an inflammatory skin disorder with chronic course and characterized by intense pruritus, is a dermatosis of high prevalence of childhood. However, persistence of the disease in adolescents and adults may occur, and more studies regarding the interactions of the complex triggering factors, especially between the adaptive and innate immune alterations and skin barrier defects are needed. In this review the authors summarize the major novel findings of a dysfunctional skin barrier in AD, with emphasis on tight junction components, such as claudins and on proteins of the keratinocyte differentiation, such as filaggrin. This review also provides an update on the characterization of immune response in adults with atopic dermatitis. The adaptive immune dysfunction in AD, classically known as a Th2/Th1 model, has changed its profile, with recent reported cytokines such as interleukins 17, 22, and 31; as for the innate immune system scenario in AD, the characterization of skin microbiome opens new frontiers for the understanding of such a complex inflammatory disease.


KEY WORDS: Dermatitis, atopic - Filaggrin - Claudins - Interleukins

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