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Multicenter Study
. 2010 Jul;95(7):3242-50.
doi: 10.1210/jc.2009-2718. Epub 2010 May 5.

The role of the polycystic ovary syndrome susceptibility locus D19S884 allele 8 in maternal glycemia and fetal size

C M Ackerman  1 , L P Lowe, H Lee, F Chen, E Hughes, P Cholod, A R Dyer, M G Hayes, B E Metzger, W L Lowe, M Urbanek; HAPO Study Cooperative Research Group
Affiliations
Multicenter Study

The role of the polycystic ovary syndrome susceptibility locus D19S884 allele 8 in maternal glycemia and fetal size

C M Ackerman et al. J Clin Endocrinol Metab. 2010 Jul.

Abstract

Context: The high incidence of insulin resistance, type 2 diabetes, and metabolic syndrome in Western societies and their impact on quality of life emphasize the importance of identifying underlying susceptibility loci for metabolic diseases. The polycystic ovary syndrome (PCOS) susceptibility locus D19S884 allele 8 (A8) is associated with measures of insulin resistance, beta-cell dysfunction, and other metabolic phenotypes in PCOS families. We now investigate the role of D19S884 A8 in pregnancy.

Objective: Using the multiethnic Hyperglycemia and Adverse Pregnancy Outcome cohort, we assessed the associations of D19S884 A8 with measures of maternal glycemia and fetal size.

Design: We tested for association of maternal D19S884 A8 with maternal outcomes (fasting, 1-h, and 2-h plasma glucose, and fasting and 1-h C-peptide from an oral glucose tolerance test) and fetal and maternal D19S884 A8 with fetal outcomes (birth weight, length, head circumference, sum of skin folds, fat mass, cord C-peptide, and 2-h neonatal plasma glucose).

Subjects: We analyzed 4424 Caucasian mothers and 3347 offspring of northern European ancestry, 1957 Thai mothers and 2089 offspring from Bangkok, 1208 Afro-Caribbean mothers and 1209 offspring from Barbados, and 774 Hispanic mothers and 762 offspring from Bellflower, California.

Results: After adjusting for confounding variables and multiple testing, neither maternal nor fetal D19S884 A8 showed significant evidence for association with any of the outcomes tested.

Conclusions: The PCOS susceptibility locus, D19S884 A8, is not a major factor contributing to glycemia during pregnancy or fetal size in a general obstetric population.

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Figures

Figure 1
Figure 1
Frequencies of D19S884 (CA)n alleles and repeat number by ethnic group in the HAPO study. The repeat number (Rpt #) represents the number of CA repeats present at the corresponding allele. Only alleles with frequencies greater than 0.005 are shown. Black bars, Afro-Caribbeans; white, Caucasians; light gray, Hispanics; dark gray, Thais. n, Number of chromosomes.
See this image and copyright information in PMC

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