A Close Association of Abnormal Iron Metabolism with Steatosis in the Mice Fed a Choline-Deficient Diet
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- Tsuchiya Hiroyuki
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Sakabe Tomohiko
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Akechi Yuji
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Ikeda Remina
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Nishio Ren
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Terabayashi Kei
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Matsumi Yoshiaki
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Hoshikawa Yoshiko
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Kurimasa Akihiro
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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- Shiota Goshi
- Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University
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抄録
Hepatic iron overload has been frequently observed in the liver of patients with chronic liver diseases. In this study, the effect of hepatic fatty acid accumulation on the iron metabolism was investigated. Mice fed a choline-deficient diet developed severe steatosis associated with increased total amount of non-heme iron in the liver. Hepatic lipid contents were well correlated with the iron amount. The choline-deficient diet significantly downregulated hepcidin while increases in hemojuvelin and transferrin receptor 2 and a decrease in Tmprss6 expression were observed. Moreover, ferroportin expression was downregulated in the livers of choline-deficient mice while increases in transferrin receptor 1 and divalent metal transporter 1 and a decrease in ferritin expression were observed in accordance with increased hepatic iron content. The expression of hepcidin and ferroportin mRNA was negatively correlated to hepatic lipid concentrations. These results suggest that enhanced dietary iron intake and reduced hepatic iron efflux occur in the mice fed a choline-deficient diet. In addition, a possible link between hepatic iron and lipid metabolism is also suggested.
収録刊行物
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- Biological & Pharmaceutical Bulletin
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Biological & Pharmaceutical Bulletin 33 (7), 1101-1104, 2010
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204627983872
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- NII論文ID
- 130000300270
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- NII書誌ID
- AA10885497
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- ISSN
- 13475215
- 09186158
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- NDL書誌ID
- 10738081
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 抄録ライセンスフラグ
- 使用不可