期刊
CHILDREN-BASEL
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/children10010088
关键词
eczema; filaggrin; infant; PreventADALL; respiratory function tests; transepidermal water loss
类别
This study aimed to investigate the association between high transepidermal water loss (TEWL), eczema, Filaggrin (FLG) mutations and lung function in three-month-old infants. The results showed that high TEWL was associated with lower lung function, while eczema or FLG mutations were not.
Background: The relationship between the skin barrier- and lung function in infancy is largely unexplored. We aimed to explore if reduced skin barrier function by high transepidermal water loss (TEWL), or manifestations of eczema or Filaggrin (FLG) mutations, were associated with lower lung function in three-month-old infants. Methods: From the population-based PreventADALL cohort, 899 infants with lung function measurements and information on either TEWL, eczema at three months of age and/or FLG mutations were included. Lower lung function by tidal flow-volume loops was defined as a ratio of time to peak tidal expiratory flow to expiratory time (t(PTEF)/t(E)) t(PTEF) <0.17 s (<25th percentile). A high TEWL >8.83 g/m(2)/h (>75th percentile) denoted reduced skin barrier function, and DNA was genotyped for FLG mutations (R501X, 2282del4 and R2447X). Results: Neither a high TEWL, nor eczema or FLG mutations, were associated with a lower t(PTEF)/t(E). While a high TEWL was associated with a lower t(PTEF); adjusted OR (95% CI) 1.61 (1.08, 2.42), the presence of eczema or FLG mutations were not. Conclusions: Overall, a high TEWL, eczema or FLG mutations were not associated with lower lung function in healthy three-month-old infants. However, an inverse association between high TEWL and t(PTEF) was observed, indicating a possible link between the skin barrier- and lung function in early infancy.
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