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  • Title: Low-birth weight children develop lower sex hormone binding globulin and higher dehydroepiandrosterone sulfate levels and aggravate their visceral adiposity and hypoadiponectinemia between six and eight years of age.
    Author: Ibáñez L, Lopez-Bermejo A, Díaz M, Suárez L, de Zegher F.
    Journal: J Clin Endocrinol Metab; 2009 Oct; 94(10):3696-9. PubMed ID: 19737922.
    Abstract:
    BACKGROUND: Most children born small for gestational age (SGA) normalize their body size by late infancy. Between 2 and 6 yr, such SGA children develop higher circulating levels of insulin, lower levels of adiponectin, and more visceral fat than appropriate-for-gestational-age (AGA) controls, even in the absence of overweight. Here we report on their further course between 6 and 8 yr. STUDY DESIGN AND POPULATION: Longitudinal study over 2 yr comparing data from 32 AGA vs. 32 SGA children, matched for gender, height, weight, and body mass index at the age of 6 yr. MAIN OUTCOMES: Fasting insulin, dehydroepiandrosterone sulfate (DHEAS), SHBG, high-molecular-weight (HMW) adiponectin, leptin, IGF-I; body composition by absorptiometry; and abdominal fat partitioning by magnetic resonance imaging. RESULTS: Between 6 and 8 yr, novel AGA-vs.-SGA divergences emerged (higher DHEAS and lower SHBG in SGA; P < 0.001), and some earlier divergences widened further (HMW adiponectin, visceral fat; P < 0.001), whereas others stabilized (fasting insulin, IGF-I). At age 8 yr, the most discerning features of SGA children were a high ratio of visceral over sc fat in the abdominal region (69% of SGA children), HMW hypoadiponectinemia (41%), fasting hyperinsulinemia (34%), and elevated circulating IGF-I levels (31%). CONCLUSION: SGA children with spontaneous catch-up growth develop relatively high DHEAS and low SHBG levels and become more often HMW hypoadiponectinemic and viscerally adipose between 6 and 8 yr of age.
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