Thymic stromal lymphopoietin variation, filaggrin loss of function, and the persistence of atopic dermatitis

David J. Margolis, Brian Kim, Andrea J. Apter, Jayanta Gupta, Ole Hoffstad, Maryte Papadopoulos, Nandita Mitra

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68 Scopus citations


IMPORTANCE: Atopic dermatitis (AD) is a common chronic illness of childhood. OBJECTIVE: To evaluate the association between thymic stromal lymphopoietin (TSLP) variation and the persistence of skin symptoms of AD. DESIGN, SETTING, AND PARTICIPANTS: A prospective cohort studywas conducted in the general community. Participants included 796 children enrolled in the Pediatric Eczema Elective Registry. EXPOSURE: Evaluation of TSLP variation. MAIN OUTCOMES AND MEASURES: Self-reported outcome of whether a child's skin had no symptoms of AD and required no medications for 6 months at 6-month intervals. RESULTS: We evaluated 14 variants of TSLP. The variant rs1898671 was significantly associated with the outcome in white children (P = .01). As measured by overlapping CIs, similar odds ratios (ORs) were noted among whites (OR, 1.72; 95%CI, 1.11-2.66) and African Americans (1.33; 0.52-3.45). Further within the subcohort of individuals with a filaggrin protein (FLG) loss-of-function mutation, those with TSLP variation were more likely to have less-persistent disease (OR, 4.92; 95%CI, 2.04-11.86). CONCLUSIONS AND RELEVANCE: The TSLP variation is associated with less persistent AD. Therefore, TSLP may be a potential therapeutic target for the treatment of AD, especially in individuals with diminished barrier function due to FLG mutations. This is an attractive hypothesis that can be tested in clinical trials.

Original languageEnglish
Pages (from-to)254-259
Number of pages6
JournalJAMA Dermatology
Issue number3
StatePublished - Mar 2014


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