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Endocrinol Nutr. 2012 Apr;59(4):232-8. doi: 10.1016/j.endonu.2012.01.001. Epub 2012 Mar 8.

[High-fat diets and body composition over two generations. An experimental study].

[Article in Spanish]

Author information

1
Cátedra de Bioquímica General y Bucal, Facultad de Odontología, Universidad de Buenos Aires, Buenos Aires, Argentina.

Abstract

INTRODUCTION AND OBJECTIVE:

Despite recent findings reported on the nutritional factors that induce epigenetic changes, little information is available at early ages. This study analyzed in an experimental model, over two generations, potential changes in body composition and potential expression of epigenetic changes as the result of the intake of isoenergetic diets with different fat levels.

MATERIALS AND METHODS:

At weaning, Wistar female rats were divided into two groups that were fed either a control diet (fat=7% w/w) or a high-fat diet (15% w/w). Rats were mated at 70 days (M(1)) and their pups (P(1)) were the first generation; P(1) rats were mated at 70 days (M(2)) and their pups (P(2)) represented the second generation. At weaning, mothers and pups (M(1), M(2) and P(1), P(2)) were measured body weight (W) and composition (% body fat, %BF), and total skeleton bone mineral content (BMC), expressed as %BMC, using chemical and DXA methods respectively.

RESULTS:

At weaning, high-fat diet groups M(2) and P(2) showed significant increases in W and %BF (p<0.05); increased %BF values were already found in the M(1) and P(1) groups (p<0.001). By contrast, %BMC significantly decreased in M(2) and P(2) rats (p<0.001).

CONCLUSION:

This study demonstrates the need to review certain eating habits to avoid perpetuation of unhealthy patterns generation after generation.

PMID:
22406127
DOI:
10.1016/j.endonu.2012.01.001
[Indexed for MEDLINE]

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