Abstract
Purpose
It was found that periostin and squamous cell carcinoma-related antigens (SCCAs) were strongly interleukin-13-inducible gene products. This study measures the serum periostin and SCCA levels in children suffering from atopic dermatitis (AD) and to evaluate the association between the severity of AD and their values.
Methods
Seventy AD children aged 1 month to 10 years were included in our study. Subjects were characterized as having atopic eczema (AE; n=55) or non-AE (NAE; n=15) by atopic sensitization. Serum SCCA and periostin levels were measured.
Results
The serum periostin levels were significantly higher in children with AE than in those with NAE (geometric mean [95% confidence interval]: 80.47 ng/mL [75.06–85.93 ng/mL] vs. 67.45 ng/mL [59.99–75.64] ng/mL, P=0.020). The serum concentrations of both SCCA1 and SCCA2 were significantly higher in children with AE than in those with NAE (geometric mean [95% confidence in-terval]: 1.401 [1.198–1.643] ng/mL vs. 0.969 [0.723–1.268] ng/mL, P=0.039 for SCCA1) (1.178 [0.974–1.455] ng/mL vs. 0.711 [0.540–0.994] ng/mL, P=0.025 for SCCA2). The serum periostin levels were significantly correlated with disease severity and with peripheral blood eosinophil counts. The SCCA levels were not significantly correlated with disease severity. Both SCCA1 and SCCA2 were significantly correlated with serum periostin levels and blood eosinophil counts.
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Table 1.
Characteristic | AE (n=55) | NAE (n=15) | P-value |
---|---|---|---|
Age (yr) | 5.1±1.6 | 4.9±1.5 | 0.314∗ |
Male sex (%) | 67.7 | 63.0 | 0.601† |
SCORAD Index | 37.67±13.29 | 20.87±9.16 | <0.001∗ |
PB eosinophil (/μL) | 581.3±519.6 | 243.8±150.7 | <0.001∗ |
ECP (ng/mL) | 38.75 (18.5–80.7) | 15.2 (12.1–20.3) | <0.001∗ |
Total IgE (IU/mL) | 820.6 (373.4–1,545.6) | 35.2 (12.6–62.4) | <0.001∗ |
Periostin (ng/mL) | 80.47 (75.06–85.93) | 67.45 (59.99–75.64) | 0.020∗ |
SCCA1 (ng/mL) | 1.401 (1.198–1.643) | 0.969 (0.723–1.268) | 0.039∗ |
SCCA2 (ng/mL) | 1.178 (0.974–1.455) | 0.711 (0.540–0.994) | 0.025∗ |
Table 2.
Table 3.
Variable | SCORAD index | ||
---|---|---|---|
Estimate | 95% CI | P-value∗ | |
Age | 0.015 | -0.412–1.166 | 0.961 |
Total IgE | 5.389 | -0.497–9.845 | 0.049 |
PB eosinophil | -0.007 | -0.011–0.010 | 0.092 |
Log periostin level | 52.868 | 20.063–80.102 | 0.004 |