BMI at age 8 years is influenced by the type 2 diabetes susceptibility genes HHEX-IDE and CDKAL1.
Diabetes 59, 2063-2067 (2010)
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
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Keywords
Genome-wide association; For-gestational-age; Low-birth-weight; Insulin-resistance; Childhood growth; Risk; Metaanalysis; Variants; PRO12ALA; Children
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Language
english
Publication Year
2010
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2010
ISSN (print) / ISBN
0012-1797
e-ISSN
1939-327X
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Volume: 59,
Issue: 8,
Pages: 2063-2067
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American Diabetes Association
Publishing Place
Alexandria, VA.
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Peer reviewed
POF-Topic(s)
30201 - Metabolic Health
30503 - Chronic Diseases of the Lung and Allergies
30502 - Diabetes: Pathophysiology, Prevention and Therapy
Research field(s)
Helmholtz Diabetes Center
Genetics and Epidemiology
PSP Element(s)
G-502100-001
G-503900-003
G-521600-002
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Erfassungsdatum
2010-05-11