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Neonatal birth waist is positively predicted by second trimester maternal active ghrelin, a pro-appetite hormone, and negatively associated with third trimester maternal leptin, a pro-satiety hormone
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Valsamakis, Georgios, Papatheodorou, Dimitrios C., Naoum, Aikaterini, Margeli, Alexandra, Papassotiriou, Ioannis, Kapantais, Efthymios, Creatsas, George, Kumar, Sudhesh and Mastorakos, George (2014) Neonatal birth waist is positively predicted by second trimester maternal active ghrelin, a pro-appetite hormone, and negatively associated with third trimester maternal leptin, a pro-satiety hormone. Early Human Development, 90 (9). pp. 487-492. doi:10.1016/j.earlhumdev.2014.07.001 ISSN 0378-3782 .
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Official URL: http://dx.doi.org/10.1016/j.earlhumdev.2014.07.001
Abstract
In pregnancy physiological mechanisms activated by maternal appetite contribute to adequate energy intake for the mother and for the fetus. The role of maternal appetite-related peptides and their possible association with neonatal energy stores and glucose metabolism have not been investigated as yet. The aim was to investigate, during pregnancy, the association of fasting maternal appetite-related hormones levels [ghrelin (active), GLP1 (active), total PYY and leptin] with neonatal waist, percent total body fat and insulin levels at birth.
Methods
Forty-two normal and thirty eight overweight women (mean ± SD; age: 26.9 ± 2.5 years; pre-pregnancy BMI 26 ± 2.2 kg/m2) were seen during each of the three trimesters, had blood sampling and a 75 g oral glucose tolerance test. At birth, neonates underwent anthropometry and cord blood sampling for c-peptide, glucose, insulin.
Results
During all three trimesters maternal weight correlated positively with percent total neonatal body fat while during the second and third trimesters it correlated positively with birth weight. The second trimester maternal active ghrelin levels correlated positively with neonatal waist and were its best positive predictor. The third trimester maternal active ghrelin levels correlated positively with neonatal waist and negatively with percent total neonatal body fat, fetal cord blood insulin levels and were the best negative predictor of the latter. The third trimester maternal leptin levels correlated negatively with neonatal waist.
Conclusions
During pregnancy circulating maternal active ghrelin, a pro-appetite hormone, is associated with neonatal visceral energy storage (as expressed by neonatal waist). By inhibiting glucose-driven maternal insulin secretion, ghrelin might ensure adequate fasting glucose and nutrient supplies to the fetus while limiting overall fetal adipose tissue deposition.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences > Translational & Experimental Medicine > Metabolic and Vascular Health (- until July 2016) Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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Journal or Publication Title: | Early Human Development | ||||||||
Publisher: | Elsevier Ireland Ltd | ||||||||
ISSN: | 0378-3782 | ||||||||
Official Date: | September 2014 | ||||||||
Dates: |
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Volume: | 90 | ||||||||
Number: | 9 | ||||||||
Page Range: | pp. 487-492 | ||||||||
DOI: | 10.1016/j.earlhumdev.2014.07.001 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Adapted As: |
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