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Nutrients 2017, 9(3), 230; doi:10.3390/nu9030230

Fructose and NAFLD: The Multifaceted Aspects of  Fructose Metabolism

1
Department of Physiology, University of Lausanne, CH‐1005 Lausanne, Switzerland
2
EA4466, Faculty of Pharmacy, Paris Descartes University, Sorbonne Paris Cité, 75006 Paris, France
3
Clinical Chemistry Department, Hôpitaux Universitaires Paris Centre, Assistance Publique‐Hôpitaux de Paris, 75679 Paris, France
*
Author to whom correspondence should be addressed.
Received: 24 January 2017 / Accepted: 24 February 2017 / Published: 3 March 2017
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Abstract

Among various factors, such as an unhealthy diet or a sedentarity lifestyle, excessive fructose consumption is known to favor nonalcoholic fatty liver disease (NAFLD), as fructose is both a substrate and an inducer of hepatic de novo lipogenesis. The present review presents some well‐established mechanisms and new clues to better understand the pathophysiology of fructose‐induced NAFLD. Beyond its lipogenic effect, fructose intake is also at the onset of hepatic inflammation and cellular stress, such as oxidative and endoplasmic stress, that are key factors contributing to the progression of simple steatosis to nonalcoholic steatohepatitis (NASH). Beyond its hepatic effects, this carbohydrate may exert direct and indirect effects at the peripheral level. Excessive fructose consumption is associated, for example, with the release by the liver of several key mediators leading to alterations in the communication between the liver and the gut, muscles, and adipose tissue and to disease aggravation. These multifaceted aspects of fructose properties are in part specific to fructose, but are also shared in part with sucrose and glucose present in energy– dense beverages and foods. All these aspects must be taken into account in the development of new therapeutic strategies and thereby to better prevent NAFLD. View Full-Text
Keywords: fructose; nonalcoholic fatty liver disease; liver; gut; muscle fructose; nonalcoholic fatty liver disease; liver; gut; muscle
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Jegatheesan, P.; De Bandt, J. Fructose and NAFLD: The Multifaceted Aspects of  Fructose Metabolism. Nutrients 2017, 9, 230.

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