Whole body protein metabolism and resting energy expenditure in pregnant Gambian women.

Détails

ID Serval
serval:BIB_199453DAB831
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Whole body protein metabolism and resting energy expenditure in pregnant Gambian women.
Périodique
American Journal of Physiology. Endocrinology and Metabolism
Auteur(s)
Willommet L., Schutz Y., Whitehead R., Jéquier E., Fern E.B.
ISSN
0193-1849 (Print)
ISSN-L
0002-9513
Statut éditorial
Publié
Date de publication
1992
Volume
263
Numéro
4 Pt 1
Pages
E624-E631
Langue
anglais
Résumé
Whole body protein metabolism and resting energy expenditure (REE) were measured at 11, 23, and 33 wk of pregnancy in nine pregnant (not malnourished) Gambian women and in eight matched nonpregnant nonlactating (NPNL) matched controls. Rates of whole body nitrogen flux, protein synthesis, and protein breakdown were determined in the fed state from the level of isotope enrichment of urinary urea and ammonia during a period of 9 h after a single oral dose of [15N]glycine. At regular intervals, REE was measured by indirect calorimetry (hood system). Based on the arithmetic end-product average of values obtained with urea and ammonia, a significant increase in whole body protein synthesis was observed during the second trimester (5.8 +/- 0.4 g.kg-1.day-1) relative to values obtained both for the NPNL controls (4.5 +/- 0.3 g.kg-1.day-1) and those during the first trimester (4.7 +/- 0.3 g.kg-1.day-1). There was a significant rise in REE during the third trimester both in the preprandial and postprandial states. No correlation was found between REE after meal ingestion and the rate of whole body protein synthesis.
Mots-clé
Adult, Anthropometry, Energy Metabolism, Female, Gambia, Humans, Nitrogen/metabolism, Pregnancy/metabolism, Proteins/metabolism, Reference Values, Rest
Pubmed
Web of science
Création de la notice
21/01/2008 14:07
Dernière modification de la notice
20/08/2019 13:50
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