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Background: The aim of the study is to evaluate the relationship between serum periostin (POSTN), thymus and activation-regulated chemokine (TARC), and thymic stromal lymphopoietin (TSLP) levels and disease severity and atopy in children with atopic dermatitis.
Methods: Sixty children with atopic dermatitis and 31 healthy controls were included in the study. The disease severity was measured by SCORAD scores. Serum POSTN, TARC, and TSLP levels were measured in all participants. The demographic data were recorded, and skin prick tests were performed to evaluate atopy in children with atopic dermatitis.
Results: Serum POSTN, TARC, and TSLP levels were higher in children with atopic dermatitis than in healthy children (p = 0.041, p = 0.034, and p < 0.001, respectively). Serum POSTN levels were higher with atopy than without atopy in children with atopic dermatitis (p = 0.047). There was a positive moderate correlation between POSTN and the age and symptom duration in children with atopic dermatitis (r = 0.343, p = 0.007, r = 0.484, and p < 0.0001, respectively). In receiver operating characteristics (ROC) analysis, the area under the curve (AUC) was 0.789 (95% CI (0.694 - 0.883), p < 0.0001) for TSLP and the AUC was 0.636 (95% CI (0.522 - 0.750), p = 0.034) for TARC to predict severe atopic dermatitis.
Conclusions: Serum POSTN, TARC, and TSLP were higher in children with atopic dermatitis. Serum TARC and TSLP levels might be used as biomarkers to predict severe atopic dermatitis and serum POSTN to predict atopy and disease chronicity.
DOI: 10.7754/Clin.Lab.2017.161107
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