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Malprogramming of Hepatic Lipid Metabolism due to Excessive Early Cholesterol Exposure in Adult Progeny.


ABSTRACT: SCOPE:The programming of hepatic lipid dysfunction in response to early cholesterol exposure and the influencing effects of postnatal diet is evaluated in apoE-/- mice. METHODS AND RESULTS:In two separate studies, female mice are assigned to a standard chow (S) or a cholesterol-enriched chow (C) diet during gestation and lactation. Male offspring from each dam are weaned on a postnatal S or a hypercaloric western (W) diet resulting in four experimental groups: S-S and C-S (Experiment 1) and S-W and C-W (Experiment 2). At weaning, litters from hypercholesterolemic mothers weighed less (p < 0.05) and pups had higher blood lipids, glucose, and hepatic cholesterol compared with pups from S-fed mothers. Adult C-S offspring demonstrate an atherogenic lipid profile and increased (p < 0.05) hepatic cholesterol and triglyceride content with altered lipid regulatory mRNA expression and protein content compared with S-S offspring. Alternatively, no difference (p > 0.05) is observed between S-W and C-W in serum and hepatic lipid profiles; however, serum AST and ALT are higher (p < 0.05) in C-W versus S-W offspring. CONCLUSION:The degree of hepatic lipid deposition observed in adult offspring exposed to excessive early cholesterol is influenced by the postnatal diet.

SUBMITTER: Dumolt JH 

PROVIDER: S-EPMC6362455 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Malprogramming of Hepatic Lipid Metabolism due to Excessive Early Cholesterol Exposure in Adult Progeny.

Dumolt Jerad H JH   Browne Richard W RW   Patel Mulchand S MS   Rideout Todd C TC  

Molecular nutrition & food research 20181126 2


<h4>Scope</h4>The programming of hepatic lipid dysfunction in response to early cholesterol exposure and the influencing effects of postnatal diet is evaluated in apoE<sup>-/-</sup> mice.<h4>Methods and results</h4>In two separate studies, female mice are assigned to a standard chow (S) or a cholesterol-enriched chow (C) diet during gestation and lactation. Male offspring from each dam are weaned on a postnatal S or a hypercaloric western (W) diet resulting in four experimental groups: S-S and C  ...[more]

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