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Winkler, C. ; Bonifacio, E.* ; Grallert, H. ; Henneberger, L. ; Illig, T. ; Ziegler, A.-G.

BMI at age 8 years is influenced by the type 2 diabetes susceptibility genes HHEX-IDE and CDKAL1.

Diabetes 59, 2063-2067 (2010)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
OBJECTIVE: To determine whether HHEX-IDE and CDKAL1 genes, which are associated with birth weight and susceptibility to type 2 diabetes, continue to influence growth during childhood. RESEARCH DESIGN AND METHODS: BMI, weight, and height at age 8 years expressed as age- and sex-corrected standard deviation scores (SDS) against national reference data and single-nucleotide polymorphism genotyping of HHEX-IDE and CDKAL1 loci were analyzed in 646 prospectively followed children in the German BABYDIAB cohort. All children were singleton full-term births; 386 had mothers with type 1 diabetes, and 260 had fathers with type 1 diabetes and a nondiabetic mother. RESULTS: Type 2 diabetes risk alleles at the HHEX-IDE locus were associated with reduced BMI-SDS at age 8 years (0.17 SDS per allele; P = 0.004). After stratification for birth weight, both HHEX-IDE and CDKAL1 risk alleles were associated with reduced BMI-SDS (0.45 SDS, P = 0.0002; 0.52 SDS, P = 0.0001) and weight-SDS (0.22 SDS, P = 0.04; 0.56 SDS, P = 0.0002) in children born large for gestational age (>90th percentile) but not children born small or appropriate for gestational age. Within children born large for gestational age, BMI and weight decreased with each additional type 2 diabetes risk allele ( approximately -2 kg per allele; >8 kg overall). Findings were consistent in children of mothers with type 1 diabetes (P < 0.0001) and children of nondiabetic mothers (P = 0.008). CONCLUSIONS: The type 2 diabetes susceptibility alleles at HHEX-IDE and CDKAL1 loci are associated with low BMI at age 8 years in children who were born large for gestational age.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Genome-wide association; For-gestational-age; Low-birth-weight; Insulin-resistance; Childhood growth; Risk; Metaanalysis; Variants; PRO12ALA; Children
ISSN (print) / ISBN 0012-1797
e-ISSN 1939-327X
Journal Diabetes
Quellenangaben Volume: 59, Issue: 8, Pages: 2063-2067 Article Number: , Supplement: ,
Publisher American Diabetes Association
Publishing Place Alexandria, VA.
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Diabetes Research Type 1 (IDF)
Institute of Epidemiology (EPI)
CCG Nutrigenomics and Type 2 Diabetes (KKG-KDN)
Institute for Pancreatic Beta Cell Research (IPI)