| A defect in the activities of Δ and Δ desaturases and pro-resolution bioactive lipids in the pathobiology of non-alcoholic fatty liver disease. | |
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MedLine Citation:
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PMID: 22087354 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Non-alcoholic fatty liver disease (NAFLD) is a low-grade systemic inflammatory condition, since liver and adipose tissue tumor necrosis factor-α (TNF-α) and TNF receptor 1 transcripts and serum TNF-α levels are increased and IL-6(-/-) mice are less prone to NAFLD. Fatty liver damage caused by high-fat diets is associated with the generation of pro-inflammatory prostaglandin E(2) (PGE(2)). A decrease in the levels of arachidonic acid (AA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) and the usefulness of EPA and DHA both in the prevention and management of NAFLD has been reported. AA, EPA and DHA and their anti-inflammatory products lipoxins (LXs), resolvins and protectins suppress IL-6 and TNF-α and PGE(2) production. These results suggest that the activities of Δ(6) and Δ(5) desaturases are reduced in NAFLD and hence, the dietary essential fatty acids, linoleic acid (LA) and α-linolenic acid (ALA) are not metabolized to their long-chain products AA, EPA and DHA, the precursors of anti-inflammatory molecules, LXs, resolvins and protectins that could pre vent NAFLD. This suggests that an imbalance between pro- and anti-inflammatory bioactive lipids contribute to NAFLD. Hence, it is proposed that plasma and tissue levels of AA, EPA, DHA and LXs, resolvins and protectins could be used as predictors and prognostic biomarkers of NAFLD. It is suggested that the synthesis and use of more stable analogues of LXs, resolvins and protectins need to be explored in the prevention and management of NAFLD. |
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Authors:
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Undurti N Das |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: World journal of diabetes Volume: 2 ISSN: 1948-9358 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101547524 Medline TA: World J Diabetes Country: - |
Other Details:
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Languages: ENG Pagination: 176-188 Citation Subset: - |
Affiliation:
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Undurti N Das, UND Life Sciences, 13800 Fairhill Road, 321, Shaker Heights, OH 44120, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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