期刊
CLINICAL ENDOCRINOLOGY
卷 85, 期 1, 页码 70-75出版社
WILEY
DOI: 10.1111/cen.13057
关键词
-
资金
- National Institutes of Child Health and Human Development [K12 HD055884]
- Genentech Growth Disorders [G-29954]
ObjectiveInfants with higher adiposity at birth may be at greater risk of developing obesity later in life. IGF-1 is important for intrauterine growth and may be a useful early life marker of adiposity, and thus later obesity risk. The aim of this study was to determine the relationship between cord blood IGF-1, neonatal anthropometrics and markers of neonatal adiposity. Design, Patients and MeasurementsA cross-sectional study design was utilized to study a multiethnic cohort of full-term neonates born to healthy mothers with normal glucose tolerance at a large university hospital. Neonatal cord blood was collected after birth and assayed for IGF-1, leptin and C-peptide. Neonatal body composition was measured between 24 and 72 h of life using the method of air displacement plethysmography. ResultsCord blood IGF-1 was positively and significantly associated with markers of neonatal adiposity in models adjusted for maternal age at delivery, race, maternal prepregnancy BMI, gestational age at delivery and neonatal sex: birthweight (r = 062, P < 0001), leptin (r = 033, P = 0018), fat mass (r = 052, P < 0001) and percent body fat (r = 051, P < 0001). Cord blood IGF-1 was not associated with cord blood C-peptide. ConclusionsCord blood IGF-1 is strongly associated with all measures of neonatal adiposity suggesting that IGF-1 may be an important contributor to in utero neonatal fat accumulation.
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