Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2018
Longitudinal vitamin D deficiency is inversely related to mite sensitization in early childhood.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Chiu Chih-Yung, Su Kuan-Wen, Tsai Ming-Han, Hua Man-Chin, Liao Sui-Ling, Lai Shen-Hao, Chen Li-Chen, Yao Tsung-Chieh, Yeh Kuo-Wei, Huang Jing-Long
Аннотация
BACKGROUND: There are few studies addressing the longitudinal analysis of vitamin D deficiency and its impact on the development of atopic diseases in early childhood.
METHODS: We investigated 155 children who regularly followed up at our clinic for 5 years as subjects enrolled in a birth cohort study. The pattern of vitamin D levels from birth to 5 years of age was clustered using K-means method in R software. Absolute eosinophil count (AEC), and total serum and specific immunoglobulin E antibodies against food (egg white, milk, and wheat) and inhalant allergens (Dermatophagoides pteronyssinus, Dermatophagoides farina, and Cladosporium herbarum) were measured at 1.5, 3, 4 and 5 years of age.
RESULTS: A total of 137 children with serum samples obtained over at least 3 time points during the follow-up period were recruited. Using K-means clustering, the dynamic changes in vitamin D levels were significantly stratified into 3 clusters (cluster A, ≥30 ng/mL, n = 61; cluster B, 20-29.9 ng/mL, n = 53; cluster C, <20 ng/mL, n = 23). Despite no statistical association with atopic diseases, a persistent vitamin D deficiency appeared to be associated with eosinophilia at age 3, and total serum and mite-specific immunoglobulin E (IgE) levels at age 4. Furthermore, an associated higher prevalence of mite sensitization at age 4 was significantly associated with the risk of allergic rhinitis and asthma.
CONCLUSIONS: Vitamin D deficiency is inversely associated with AEC and mite-specific IgE levels, which may potentially increase susceptibility to develop allergies including rhinitis and asthma in early childhood.
METHODS: We investigated 155 children who regularly followed up at our clinic for 5 years as subjects enrolled in a birth cohort study. The pattern of vitamin D levels from birth to 5 years of age was clustered using K-means method in R software. Absolute eosinophil count (AEC), and total serum and specific immunoglobulin E antibodies against food (egg white, milk, and wheat) and inhalant allergens (Dermatophagoides pteronyssinus, Dermatophagoides farina, and Cladosporium herbarum) were measured at 1.5, 3, 4 and 5 years of age.
RESULTS: A total of 137 children with serum samples obtained over at least 3 time points during the follow-up period were recruited. Using K-means clustering, the dynamic changes in vitamin D levels were significantly stratified into 3 clusters (cluster A, ≥30 ng/mL, n = 61; cluster B, 20-29.9 ng/mL, n = 53; cluster C, <20 ng/mL, n = 23). Despite no statistical association with atopic diseases, a persistent vitamin D deficiency appeared to be associated with eosinophilia at age 3, and total serum and mite-specific immunoglobulin E (IgE) levels at age 4. Furthermore, an associated higher prevalence of mite sensitization at age 4 was significantly associated with the risk of allergic rhinitis and asthma.
CONCLUSIONS: Vitamin D deficiency is inversely associated with AEC and mite-specific IgE levels, which may potentially increase susceptibility to develop allergies including rhinitis and asthma in early childhood.