書誌事項
- タイトル別名
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- Effects of Excess Iron Supplementation and Total Body X-Ray-Irradiation on Oxidative Damage in the Bone Marrow and Liver of Mice Fed on a Low-Protein Diet
- テツ カジョウ フカ ナラビニ Xセン ゼンシン ショウシャ ガ テイタンパクシツショク セッシュ マウス ノ コツズイ ト カンゾウ ノ サンカ ショウガイ ニ オヨボス エイキョウ
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We examined whether excess iron supplementation to a low-protein diet (7% casein) caused oxidative damage, and whether an additional treatment of total body irradiation (TBI) enhanced this oxidative damage. A preliminary study showed that more than 1 week of feeding a low protein diet decreased plasma iron, increased liver non-heme iron, and also enhanced TBI-induced chromosomal damage in bone marrow. Based on these findings, mice were fed on the low-protein diet for 1 week and then on the same diet with and without excess iron (2.5% carbonyl iron) for an additional week, before being exposed to TBI (0.5Gy) or not. Iron supplementation significantly increased the non-heme iron and lipid peroxidation in the liver, but did not increase chromosomal damage in the bone marrow. Simultaneous treatment with TBI and iron supplementation did not influence the degree of chromosomal damage or lipid peroxidation due to each treatment. These findings indicate that excess iron supplementation with a low-protein diet did not induce chromosomal damage in the bone marrow, but did induce marked lipid peroxidation in the liver.
収録刊行物
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- 栄養学雑誌
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栄養学雑誌 66 (5), 241-245, 2008
特定非営利活動法人 日本栄養改善学会
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詳細情報 詳細情報について
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- CRID
- 1390001206548769664
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- NII論文ID
- 130003448383
- 10024334920
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- NII書誌ID
- AN00023058
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- ISSN
- 18837921
- 00215147
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- NDL書誌ID
- 9699181
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可