Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease

A growing number of new studies demonstrate that nuclear receptors are involved in the development of alcoholic liver disease (ALD). Ethanol metabolism and RXR/PPAR functions are tightly interconnected in the liver. Several ethanol metabolizing enzymes are potently regulated by RXR and PPAR𝛼 after a...

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Main Authors: Tommaso Mello, Simone Polvani, Andrea Galli
Format: Article
Language:English
Published: Wiley 2009-01-01
Series:PPAR Research
Online Access:http://dx.doi.org/10.1155/2009/748174
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author Tommaso Mello
Simone Polvani
Andrea Galli
author_facet Tommaso Mello
Simone Polvani
Andrea Galli
author_sort Tommaso Mello
collection DOAJ
description A growing number of new studies demonstrate that nuclear receptors are involved in the development of alcoholic liver disease (ALD). Ethanol metabolism and RXR/PPAR functions are tightly interconnected in the liver. Several ethanol metabolizing enzymes are potently regulated by RXR and PPAR𝛼 after alcohol consumption. The increased ethanol metabolism, in turn, leads to alteration of the redox balance of the cells and impairment of RXR/PPAR functions by direct and indirect effects of acetaldehyde, resulting in deranged lipid metabolism, oxidative stress, and release of proinflammatory cytokines. The use of animal models played a crucial role in understanding the molecular mechanisms of ALD. In this paper we summarize the reciprocal interactions between ethanol metabolism and RXR/PPAR functions. In conclusion, RXR and PPAR play a central role in the onset and perpetuation of the mechanisms underling all steps of the clinical progression in ALD.
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spelling doaj-art-0bb1c49b05de4c43aeb30fca2ea8e28f2025-02-03T06:07:01ZengWileyPPAR Research1687-47571687-47652009-01-01200910.1155/2009/748174748174Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver DiseaseTommaso Mello0Simone Polvani1Andrea Galli2Gastroenterology Unit, Department of Clinical Pathophysiology, University of Florence, Viale Pieraccini 6, 50134 Firenze, ItalyFiorGen Farmacogenomic Foundation, Via Luigi Sacconi 6, 50019 Firenze, ItalyGastroenterology Unit, Department of Clinical Pathophysiology, University of Florence, Viale Pieraccini 6, 50134 Firenze, ItalyA growing number of new studies demonstrate that nuclear receptors are involved in the development of alcoholic liver disease (ALD). Ethanol metabolism and RXR/PPAR functions are tightly interconnected in the liver. Several ethanol metabolizing enzymes are potently regulated by RXR and PPAR𝛼 after alcohol consumption. The increased ethanol metabolism, in turn, leads to alteration of the redox balance of the cells and impairment of RXR/PPAR functions by direct and indirect effects of acetaldehyde, resulting in deranged lipid metabolism, oxidative stress, and release of proinflammatory cytokines. The use of animal models played a crucial role in understanding the molecular mechanisms of ALD. In this paper we summarize the reciprocal interactions between ethanol metabolism and RXR/PPAR functions. In conclusion, RXR and PPAR play a central role in the onset and perpetuation of the mechanisms underling all steps of the clinical progression in ALD.http://dx.doi.org/10.1155/2009/748174
spellingShingle Tommaso Mello
Simone Polvani
Andrea Galli
Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease
PPAR Research
title Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease
title_full Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease
title_fullStr Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease
title_full_unstemmed Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease
title_short Peroxisome Proliferator-Activated Receptor and Retinoic X Receptor in Alcoholic Liver Disease
title_sort peroxisome proliferator activated receptor and retinoic x receptor in alcoholic liver disease
url http://dx.doi.org/10.1155/2009/748174
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