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Sci Rep. 2015 Oct 5;5:14691. doi: 10.1038/srep14691.

Differential Responses of Plasma Adropin Concentrations To Dietary Glucose or Fructose Consumption In Humans.

Author information

1
Department of Pharmacology and Physiology, Saint Louis University School of Medicine, 1402 South Grand Boulevard, St Louis, Missouri 63104, USA.
2
College of Physicians and Surgeons, Columbia University, New York, NY, USA.
3
Division of Gastroenterology, School of Medicine , University of California at Davis, 1 Shields Ave, Davis, CA 95616.
4
Departments of Nutrition and Molecular Biosciences, School of Veterinary Medicine, University of California at Davis, 1 Shields Ave, Davis, CA 95616.

Abstract

Adropin is a peptide hormone encoded by the Energy Homeostasis Associated (ENHO) gene whose physiological role in humans remains incompletely defined. Here we investigated the impact of dietary interventions that affect systemic glucose and lipid metabolism on plasma adropin concentrations in humans. Consumption of glucose or fructose as 25% of daily energy requirements (E) differentially affected plasma adropin concentrations (P < 0.005) irrespective of duration, sex or age. Glucose consumption reduced plasma adropin from 3.55 ± 0.26 to 3.28 ± 0.23 ng/ml (N = 42). Fructose consumption increased plasma adropin from 3.63 ± 0.29 to 3.93 ± 0.34 ng/ml (N = 45). Consumption of high fructose corn syrup (HFCS) as 25% E had no effect (3.43 ± 0.32 versus 3.39 ± 0.24 ng/ml, N = 26). Overall, the effect of glucose, HFCS and fructose on circulating adropin concentrations were similar to those observed on postprandial plasma triglyceride concentrations. Furthermore, increases in plasma adropin levels with fructose intake were most robust in individuals exhibiting hypertriglyceridemia. Individuals with low plasma adropin concentrations also exhibited rapid increases in plasma levels following consumption of breakfasts supplemented with lipids. These are the first results linking plasma adropin levels with dietary sugar intake in humans, with the impact of fructose consumption linked to systemic triglyceride metabolism. In addition, dietary fat intake may also increase circulating adropin concentrations.

PMID:
26435060
PMCID:
PMC4592955
DOI:
10.1038/srep14691
[Indexed for MEDLINE]
Free PMC Article

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