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  • Title: [Serum levels of 25-(OH)D3 and immunoglobulin in children with bronchiolitis].
    Author: Jiang ZG, Wu J, Liu L, Lin Y, Yang CY.
    Journal: Zhongguo Dang Dai Er Ke Za Zhi; 2012 Aug; 14(8):578-80. PubMed ID: 22898276.
    Abstract:
    OBJECTIVE: To study the changes in the serum levels of 25-(OH)D3 and immunoglobulins in children with bronchiolitis, and the clinical significance of these changes. METHODS: Serum levels of 25-(OH)D3 were measured using ELISA in 35 children with bronchiolitis in the acute and recovery phases and 20 healthy children. Serum levels of immunoglobulins were determined by rate nephelometry. RESULTS: Compared with the healthy children, serum 25-(OH)D3, IgG and IgA levels in children with bronchiolitis in the acute phase were significantly lower and, in contrast, serum IgE levels were significantly higher (P<0.05). Serum 25-(OH)D3 levels increased and serum IgE levels decreased significantly in the recovery phase compared with the acute phase in children with bronchiolitis (P<0.05). However, compared with the healthy children, serum 25-(OH)D3 and IgA levels were significantly lower and serum IgE levels were significantly higher in children with bronchiolitis in the recovery phase (P<0.05). Serum 25-(OH)D3 levels in children with bronchiolitis in the acute phase were positively correlated with serum IgG (r=0.36, P<0.05) and IgA levels (r=0.63, P<0.01), and negatively correlated with serum IgE levels (r=-0.72, P<0.01). A negative correlation was found between serum 25-(OH)D3 and IgE levels in children with bronchiolitis in the recovery phase (r=-0.34, P<0.05). CONCLUSIONS: Serum 25-(OH)D3 levels decrease and there is immunoglobulin level imbalance in children with bronchiolitis, suggesting that 25-(OH)D3 and immunoglobulins may play important roles in the pathogenesis of bronchiolitis.
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