Document Detail


Soya protein- and casein-based nutritionally complete diets fed during gestation and lactation differ in effects on characteristics of the metabolic syndrome in male offspring of Wistar rats.
MedLine Citation:
PMID:  21733315     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The AIN-93G diets based on soya protein or casein were fed to pregnant Wistar rats from day 3 of gestation and compared for their effects on characteristics of the metabolic syndrome in male offspring. Pregnant rats were randomised to either a casein (C) or soya protein (S) diet (n 12) during gestation only (Expt 1) or during gestation and lactation (Expt 2). Male offspring were weaned to either a C or S diet for 9 weeks (Expt 1) or 15 weeks (Expt 2). In Expt 1, pups born to S-fed dams had higher fasting blood glucose (BG), systolic blood pressure (SBP) and diastolic blood pressure (DBP) at week 4, higher blood glucose (BG) response to a glucose administration (P < 0·001) and higher body weight (BW) at week 8 (P < 0·05). In Expt 2, consumption of the S diet throughout gestation and lactation resulted in higher BW (P < 0·05), DBP (P < 0·005) and SBP (P < 0·005) in the offspring. They also had higher homeostasis model assessment of insulin resistance (HOMA-IR; P < 0·05) and plasma homocysteine (P < 0·05) at weaning, higher fasting BG and glucose response to glucose administration (P < 0·005) at week 12 and higher HOMA-IR (P < 0·01) at week 15. Although composition of the weaning diets interacted with the diet of the dams, the latter was the dominant factor in determining metabolic outcomes in the offspring. In conclusion, the S diet, compared with the C diet, when consumed during gestation or throughout gestation and lactation increased the presence of characteristics of the metabolic syndrome in the offspring.
Authors:
Alireza Jahan-Mihan; Ignatius M Y Szeto; Bohdan L Luhovyy; Pedro S P Huot; G Harvey Anderson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-29
Journal Detail:
Title:  The British journal of nutrition     Volume:  -     ISSN:  1475-2662     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-7-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-11     Citation Subset:  -    
Affiliation:
Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Room 322, Toronto, ON, Canada M5S 3E2.
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