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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.
MedLine Citation:
PMID:  25051539     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
INTRODUCTION: 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±2.5years; pre-pregnancy BMI 26±2.2kg/m(2)) were seen during each of the three trimesters, had blood sampling and a 75g 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.
Authors:
Georgios Valsamakis; Dimitrios C Papatheodorou; Aikaterini Naoum; Alexandra Margeli; Ioannis Papassotiriou; Efthymios Kapantais; George Creatsas; Sudhesh Kumar; George Mastorakos
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-19
Journal Detail:
Title:  Early human development     Volume:  90     ISSN:  1872-6232     ISO Abbreviation:  Early Hum. Dev.     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708381     Medline TA:  Early Hum Dev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  487-492     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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