id:"swepub:oai:gup.ub.gu.se/232224"
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- Ullemar, V.Karolinska Institutet (author)
Heritability and confirmation of genetic association studies for childhood asthma in twins
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- 2015-11-23
- Stockholm :Wiley,2016
Numbers
- LIBRIS-ID:oai:gup.ub.gu.se/232224
- ISSN:0105-4538
- 10616/45077hdl
- https://gup.ub.gu.se/publication/232224URI
- https://doi.org/10.1111/all.12783DOI
- http://hdl.handle.net/10616/45077URI
- http://kipublications.ki.se/Default.aspx?queryparsed=id:132842967URI
Supplementary language notes
- Language:English
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- BackgroundAlthough the genetics of asthma has been extensively studied using both quantitative and molecular genetic analysis methods, both approaches lack studies specific to the childhood phenotype and including other allergic diseases. This study aimed to give specific estimates for the heritability of childhood asthma and other allergic diseases, to attempt to replicate findings from genomewide association studies (GWAS) for childhood asthma and to test the same variants against other allergic diseases. MethodsIn a cohort of 25 306 Swedish twins aged 9 or 12 years, data on asthma were available from parental interviews and population-based registers. The interviews also inquired about wheeze, hay fever, eczema, and food allergy. Through structural equation modeling, the heritability of all phenotypes was calculated. A subset of 10 075 twins was genotyped for 16 single nucleotide polymorphisms (SNPs) selected from previous GWAS; these were first tested for association with asthma and significant findings also against the other allergic diseases. ResultsThe heritability of any childhood asthma was 0.82 (95% CI 0.79-0.85). For the other allergic diseases, the range was approximately 0.60-0.80. Associations for six SNPs with asthma were replicated, including rs2305480 in the GSDMB gene (OR 0.80, 95% CI 0.74-0.86, P = 1.5*10(-8); other significant associations all below P = 3.5*10(-4)). Of these, only rs3771180 in IL1RL1 was associated with any other allergic disease (for hay fever, OR 0.64, 95% CI 0.53-0.77, P = 2.5*10(-6)). ConclusionAsthma and allergic diseases of childhood are highly heritable, and these high-risk genetic variants associated specifically with childhood asthma, except for one SNP shared with hay fever.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Immunologi inom det medicinska området hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Immunology in the medical area hsv//eng
- cohort study
- epidemiology
- heritability
- pediatric
- population-based twin cohort
- genome-wide association
- hay-fever
- atopic-dermatitis
- adolescent twins
- norwegian twins
- reported asthma
- swedish twin
- large-scale
- eczema
- risk
- Allergy
- Immunology
Added entries (persons, corporate bodies, meetings, titles ...)
- Magnusson, P. K. E.Karolinska Institutet (author)
- Lundholm, C.Karolinska Institutet (author)
- Zettergren, Anna,1978Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry,Institute of Neuroscience and Physiology, Department of Pharmacology(Swepub:gu)xhakan (author)
- Melen, E.Karolinska Institutet (author)
- Lichtenstein, P.Karolinska Institutet (author)
- Almqvist, C.Karolinska Institutet (author)
- Karolinska InstitutetInstitutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi (creator_code:org_t)
- Karolinska Institutet
- Karolinska Institutet
Related titles
- In:AllergyStockholm : Wiley71:2, s. 230-2380105-45381398-9995
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