التفاصيل البيبلوغرافية
| العنوان: |
Hyperinsulinemia in Cord Blood in Mothers With Type 2 Diabetes and Gestational Diabetes Mellitus in New Zealand. |
| المؤلفون: |
Westgate, Jenny A., Lindsay, Robert S., Beattie, Judith, Pattison, Neil S., Gamble, Greg, Mildenhall, Lindsay F. J., Breier, Bernhard H., Johnstone, Frank D. |
| المصدر: |
Diabetes Care; Jun2006, Vol. 29 Issue 6, p1345-1350, 6p, 3 Charts |
| مصطلحات موضوعية: |
GESTATIONAL diabetes, DIABETES in children, TYPE 2 diabetes, INSULIN shock, LEPTIN, BLOOD sugar analysis |
| مستخلص: |
OBJECTIVE -- In genetically diabetes-prone populations, maternal diabetes during pregnancy increases the risk of their children developing diabetes and obesity (the vicious cycle of type 2 diabetes). Fetal hyperinsulinemia at birth acts as a marker of this risk. We therefore examined whether cord insulin and leptin concentrations are increased in offspring of Maori and Pacific Island mothers with type 2 and gestational diabetes mellitus (GDM) and varying degrees of glycemic control (HbA1c). RESEARCH DESIGNS AND METHODS -- Maori and Pacific Island mothers were prospectively recruited at Middlemore Hospital, South Auckland. Cord blood was taken from umbilical vein at birth from singleton babies born after 32 weeks of gestation to 138 mothers with GDM, 39 mothers with type 2 diabetes, and 95 control mothers. RESULTS -- Babies born to mothers with both type 2 diabetes and GDM had higher birth weight and skinfold thickness and markedly higher concentrations of insulin (median [inter-quartile range] type 2 diabetes 77 pmol/l [42-143], GDM 67 pmol/l [42-235], and control subjects 33 pmol/l [18-62]; P < 0.001) and leptin (type 2 diabetes 39 ng/ml [18-75], GDM 31 ng/ml [17-58], and control subjects 13 ng/ml [8-22]; P < 0.001) in cord blood. Cord insulin concentrations > 120 pmol/l were found in 29% of offspring of mothers with GDM and 31% of mothers with type 2 diabetes. Many mothers with GDM had abnormalities of glucose tolerance postpartum (20% type 2 diabetes, 34% impaired glucose tolerance or impaired fasting glucose). Higher cord insulin (57 pmol/l [40-94]) and leptin (26 ng/ml [17-39]) concentrations were found even in offspring of GDM mothers with normal glucose tolerance postpartum. CONCLUSIONS-- Raised cord insulin and leptin concentrations are a common finding in offspring of mothers with type 2 diabetes and GDM in this population. [ABSTRACT FROM AUTHOR] |
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