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Effect of reduced maternal protein consumption during pregnancy in the rat on plasma lipid concentrations and expression of peroxisomal proliferator-activated receptors in the liver and adipose tissue of the offspring

Burdge, G.C., Phillips, E.S., Dunn, R.L., Jackson, A.A. and Lillycrop, K.A. (2004) Effect of reduced maternal protein consumption during pregnancy in the rat on plasma lipid concentrations and expression of peroxisomal proliferator-activated receptors in the liver and adipose tissue of the offspring Nutrition Research, 24, (8), pp. 639-646. (doi:10.1016/j.nutres.2003.12.009).

Record type: Article

Abstract

The effect of protein consumption during pregnancy on peroxisomal proliferator-activated receptor (PPAR) expression and plasma lipid concentrations in the offspring were determined in the rat. Rats were fed isocaloric diets containing either 18% (w/w) (control) or 9% (w/w) casein throughout pregnancy, and chow during lactation. Maternal protein intake did not alter fetal hepatic PPAR? and ? expression at 20/21 days gestation (n = 5/group). Liver PPAR? expression was 69% greater (P < 0.0001) in the 9% group, whereas PPAR? was not altered, in the offspring 6 days after weaning (n = 5/group). Adipose PPAR? expression was 59% lower (P < 0.01) in the 9% group after weaning. This was accompanied by an increase (35%, P < 0.02) in plasma triacylglycerol and nonesterified fatty acid concentrations (55%, (P < 0.01) in the 9% group after weaning. These data show that maternal protein intake during pregnancy alters the regulation of PPAR expression, which represents a potential mechanism to explain impaired lipid homeostasis in the offspring.

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Published date: August 2004
Keywords: lipid metabolism, fetal development, pregnancy, liver, maternal nutrition

Identifiers

Local EPrints ID: 56168
URI: http://eprints.soton.ac.uk/id/eprint/56168
ISSN: 0271-5317
PURE UUID: 0c639912-dc81-4ddd-98a2-a13bd090830b
ORCID for G.C. Burdge: ORCID iD orcid.org/0000-0002-7665-2967
ORCID for E.S. Phillips: ORCID iD orcid.org/0000-0001-5268-4203
ORCID for K.A. Lillycrop: ORCID iD orcid.org/0000-0001-7350-5489

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Date deposited: 08 Aug 2008
Last modified: 17 Jul 2017 14:31

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Contributors

Author: G.C. Burdge ORCID iD
Author: E.S. Phillips ORCID iD
Author: R.L. Dunn
Author: A.A. Jackson
Author: K.A. Lillycrop ORCID iD

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