Large-for-Gestational-Age May Be Associated With Lower Fetal Insulin Sensitivity and β-Cell Function Linked to Leptin

The Journal of Clinical Endocrinology and Metabolism
Yu Dong3D Cohort Study Group

Abstract

Fetal overgrowth is associated with increased risk for type 2 diabetes in adulthood. It is unclear whether there are alterations in insulin sensitivity and β-cell function in early life. To determine whether large-for-gestational-age (LGA) (birth weight > 90th percentile), an indicator of fetal overgrowth, is associated with altered fetal insulin sensitivity and β-cell function. In the Design, Development, and Discover birth cohort in Canada, we studied 106 pairs of LGA and optimal-for-gestational-age (OGA; birth weight, 25th to 75th percentiles) infants matched by maternal ethnicity, smoking status, and gestational age. Cord plasma glucose-to-insulin ratio was used as an indicator of fetal insulin sensitivity, and proinsulin-to-insulin ratio was used as an indicator of β-cell function. Cord plasma leptin and high-molecular-weight (HMW) adiponectin concentrations were measured. Comparisons of infants who were born LGA vs OGA, adjusted for maternal and newborn characteristics, showed that cord blood insulin, proinsulin, and leptin concentrations were significantly higher, whereas HWM adiponectin concentrations were similar. Glucose-to-insulin ratios were significantly lower (15.4 ± 28.1 vs 22.0 ± 24.9; P = 0.004), and proinsulin...Continue Reading

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Citations

Dec 19, 2019·Frontiers in Endocrinology·Ziqiang ZhuXiaozhong Li
Mar 16, 2021·Pharmacological Research : the Official Journal of the Italian Pharmacological Society·Omran A H MusaSuhail A Doi
May 4, 2021·Archives of Endocrinology and Metabolism·Liliana FonsecaJorge Dores
Mar 20, 2021·The Journal of Clinical Endocrinology and Metabolism·Hua HeZhong-Cheng Luo
Sep 4, 2021·The Journal of Clinical Endocrinology and Metabolism·Rong HuangZhong-Cheng Luo

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