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Eur J Nutr. 2018 Dec;57(8):2877-2886. doi: 10.1007/s00394-017-1558-0. Epub 2017 Oct 26.

Decreased lipogenesis-promoting factors in adipose tissue in postmenopausal women with overweight on a Paleolithic-type diet.

Author information

1
Department of Public Health and Clinical Medicine, Medicine, Umeå University, By 6M, M31, SE-901 87, Umeå, Sweden. caroline.blomquist@umu.se.
2
Department of Public Health and Clinical Medicine, Medicine, Umeå University, By 6M, M31, SE-901 87, Umeå, Sweden.
3
Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden.
4
Department of Food and Nutrition and Sport Science, University of Gothenburg, Gothenburg, Sweden.
5
Department of Medical Biosciences, Umeå University, Umeå, Sweden.

Abstract

PURPOSE:

We studied effects of diet-induced postmenopausal weight loss on gene expression and activity of proteins involved in lipogenesis and lipolysis in adipose tissue.

METHODS:

Fifty-eight postmenopausal women with overweight (BMI 32.5 ± 5.5) were randomized to eat an ad libitum Paleolithic-type diet (PD) aiming for a high intake of protein and unsaturated fatty acids or a prudent control diet (CD) for 24 months. Anthropometry, plasma adipokines, gene expression of proteins involved in fat metabolism in subcutaneous adipose tissue (SAT) and lipoprotein lipase (LPL) activity and mass in SAT were measured at baseline and after 6 months. LPL mass and activity were also measured after 24 months.

RESULTS:

The PD led to improved insulin sensitivity (P < 0.01) and decreased circulating triglycerides (P < 0.001), lipogenesis-related factors, including LPL mRNA (P < 0.05), mass (P < 0.01), and activity (P < 0.001); as well as gene expressions of CD36 (P < 0.05), fatty acid synthase, FAS (P < 0.001) and diglyceride acyltransferase 2, DGAT2 (P < 0.001). The LPL activity (P < 0.05) and gene expression of DGAT2 (P < 0.05) and FAS (P < 0.05) were significantly lowered in the PD group versus the CD group at 6 months and the LPL activity (P < 0.05) remained significantly lowered in the PD group compared to the CD group at 24 months.

CONCLUSIONS:

Compared to the CD, the PD led to a more pronounced reduction of lipogenesis-promoting factors in SAT among postmenopausal women with overweight. This could have mediated the favorable metabolic effects of the PD on triglyceride levels and insulin sensitivity.

KEYWORDS:

Diet; Fat metabolism; Lipoprotein lipase; Obesity; Postmenopausal women

PMID:
29075849
DOI:
10.1007/s00394-017-1558-0

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