Allergy Asthma Immunol Res.  2013 Jul;5(4):239-241. 10.4168/aair.2013.5.4.239.

Breastfeeding Might Have Protective Effects on Atopy in Children With the CD14C-159T CT/CC Genotype

• Lee SY
• Kang MJ
• Kwon JW
• Park KS
• Hong SJ

• KMID: 2260318
• DOI: http://doi.org/10.4168/aair.2013.5.4.239

Abstract

Breastfeeding is widely recommended to reduce risk of sensitization, eczema and asthma. However, the role of breastfeeding in prevention of allergic diseases is uncertain. We aimed to investigate whether the relationship between breastfeeding and sensitization to aeroallergens is modified by cluster of differentiation 14 (CD14) genotype. This study included 1,828 school children aged 9-12. We administered a detailed questionnaire and genotyped the CD14C-159T polymorphism. Skin prick tests for 12 aeroallergens were performed. School children who had been breastfed were less likely sensitized to aeroallergens (adjusted odds ratio [aOR] 0.712, 95% confidence interval [CI]: 0.555-0.914). There was no significant association between CD14C-159T genotype and atopy. Breastfeeding was associated with a decreased risk of atopic sensitization in children with CT/CC genotype (aOR 0.667, 95% CI: 0.463-0.960). Our data might identify the gene-environment interaction between the CD14C-159T polymorphism and breastfeeding in relation to aeroallergen sensitization.

Keyword

Breastfeeding; cluster of differentiation 14 (CD14); gene-environmental interaction; sensitization to aeroallergens

MeSH Terms

Aged
Asthma
Breast Feeding
Child
Eczema
Gene-Environment Interaction
Genotype
Humans
Odds Ratio
Skin
Surveys and Questionnaires

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