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J Diabetes Complications. 2017 Nov;31(11):1630-1637. doi: 10.1016/j.jdiacomp.2017.07.014. Epub 2017 Jul 31.

Molecular mechanisms of nonalcoholic fatty liver disease: Potential role for 12-lipoxygenase.

Author information

1
Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
2
Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
3
Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
4
Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
5
Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA. Electronic address: rmirmira@iu.edu.

Abstract

Nonalcoholic fatty liver disease (NAFLD) is a spectrum of pathologies associated with fat accumulation in the liver. NAFLD is the most common cause of liver disease in the United States, affecting up to a third of the general population. It is commonly associated with features of metabolic syndrome, particularly insulin resistance. NAFLD shares the basic pathogenic mechanisms with obesity and insulin resistance, such as mitochondrial, oxidative and endoplasmic reticulum stress. Lipoxygenases catalyze the conversion of poly-unsaturated fatty acids in the plasma membrane-mainly arachidonic acid and linoleic acid-to produce oxidized pro-inflammatory lipid intermediates. 12-Lipoxygenase (12-LOX) has been studied extensively in setting of inflammation and insulin resistance. As insulin resistance is closely associated with development of NAFLD, the role of 12-LOX in pathogenesis of NAFLD has received increasing attention in recent years. In this review we discuss the role of 12-LOX in NAFLD pathogenesis and its potential role in emerging new therapeutics.

KEYWORDS:

Fatty liver; Lipoxygenase; Non-alcoholic fatty liver disease; Obesity; Oxidative stress

PMID:
28886991
PMCID:
PMC5643240
[Available on 2018-11-01]
DOI:
10.1016/j.jdiacomp.2017.07.014
[Indexed for MEDLINE]

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