Association of the INS VNTR with size at birth

Dunger, D. B. et al. (1998) Association of the INS VNTR with size at birth. Nature Genetics, 19(1), pp. 98-100. (doi:10.1038/ng0598-98)

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Publisher's URL: http://dx.doi.org/10.1038/ng0598-98

Abstract

Size at birth is an important determinant of perinatal survival and has also been associated with the risk for cardiovascular disease and type 2 diabetes in adult life. Common genetic variation that regulates fetal growth could therefore influence perinatal survival and predispose to the development of adult disease. We have tested the insulin gene (INS) variable number of tandem repeats (VNTR) locus, which in Caucasians has two main allele sizes (class I and class III; ref. 3)r as a functional candidate polymorphism for association with size at birth, as it has been shown to influence transcription of INS (refs 3−5). In a cohort of 758 term singletons (Avon Longitudinal Study of Pregnancy and Childhood; ALSPAC) followed longitudinally from birth to 2 years, we detected significant genetic associations with size at birth: class III homozygotes had larger mean head circumference (P= 0.004) than class I homozygotes. These associations were amplified in babies who did not show postnatal realignment of growth (45%), and were also evident for length (P=0.015) and weight (P=0.009) at birth. The INS VNTR Ill/Ill genotype might have bestowed a perinatal survival during human history by conferring larger size at birth. Common genetic variation of this kind may contribute to reported associations between birth size and adult disease.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Sherriff, Dr Andrea
Authors: Dunger, D. B., Ong, K. K.L., Huxtable, S. J., Sherriff, A., Woods, K. A., Ahmed, M. L., Golding, J., Pembrey, M. E., Ring, S., Bennett, S. T., and Todd, J. A.
College/School:College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing > Dental School
Journal Name:Nature Genetics
Publisher:Nature Publishing Group
ISSN:1061-4036
ISSN (Online):1546-1718
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