Infant frequent wheezing correlated to Clara cell protein 10 (CC10) polymorphism and concentration, but not allergy sensitization, in a perinatal cohort study

Kuender D. Yang, Chia Yu Ou, Jen Chieh Chang, Rong Fu Chen, Chieh An Liu, Hsiu Mei Liang, Te Yao Hsu, Li Chen Chen, Shau Ku Huang

研究成果: 雜誌貢獻文章同行評審

41 引文 斯高帕斯(Scopus)

摘要

Background: Wheezing episodes are common in young infants. However, the molecular mechanism of wheezing is unclear, and very few therapeutic regimens are effective. Objective: This study investigated the genetic and environmental factors predisposing to infant wheezing in a birth cohort study. Methods: A cohort of 1211 pregnant women was recruited for this study. Infant wheezing episodes during the first 18 months of life were correlated to parental atopic history, parental smoking, prematurity, CB IgE levels, and the sequence variant (G+38A) of the Clara cell protein 10 (CC10) gene encoding a secretary anti-inflammatory CC10 protein. Results: Nine hundred eighty-three infants completed umbilical cord blood collection, and 813 infants completed the 18-month postnatal follow-up. Twenty-two percent of the infants experienced at least 1 wheezing episode, and 6.6% of the infants experienced frequent wheezing (≥3 episodes). Multivariate logistic regression showed that male sex and the CC10 G+38A polymorphism, but not prematurity, CB IgE level, passive smoking, or parental atopy, were predictors of frequent wheezing. Further studies found that infant frequent wheezing was significantly associated with the CC10 +38AA genotype and lower plasma CC10 levels at 18 months of age (P = .046), and infants with acute wheezing episodes had significantly lower CC10 levels than those without (P = .023). No association of wheezing episodes with allergic sensitization was observed in this cohort population. Conclusion: Infant frequent wheezing is associated with the CC10 G+38A polymorphism and lower CC10 levels but not infant atopy. Clinical implications: Lower CC10 expression, but not allergy sensitization, is involved in the pathogenesis of infant frequent wheezing.

原文英語
頁(從 - 到)842-848
頁數7
期刊Journal of Allergy and Clinical Immunology
120
發行號4
DOIs
出版狀態已發佈 - 十月 1 2007
對外發佈Yes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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