The Effect of Taurine on the Cholesterol Metabolism in Rats Fed Diets Supplemented with Cholestyramine or High Amounts of Bile Acid
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- NISHIMURA Naomichi
- School of Food and Nutritional Sciences, The University of Shizuoka Nayoro City College, Department of Human Life and Development
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- UMEDA Chie
- School of Food and Nutritional Sciences, The University of Shizuoka
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- ODA Hiroaki
- School of Food and Nutritional Sciences, The University of Shizuoka Department of Applied Biological Sciences, Nagoya University
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- YOKOGOSHI Hidehiko
- School of Food and Nutritional Sciences, The University of Shizuoka
書誌事項
- タイトル別名
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- Effect of Taurine on the Cholesterol Metabolism in Rats Fed Diets Supplemented with Cholestyramine or High Amounts of Bile Acid
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説明
The effects of taurine on serum cholesterol levels and hepatic cholesterol 7α-hydroxylase activity (CYP 7A1) were studied in rats fed cholestyramine or high amounts of sodium cholate in order to alter the intestinal pool of bile acids. Rats were fed a diet supplemented with 1% cholesterol and 0.25% sodium cholate (high cholesterol, control; C), and C supplemented with 4% cholestyramine (CH) or 0.75% sodium cholate (BA) for 14 d. Taurine groups were fed the diet supplemented with 3% taurine (CT, CHT and BAT). Compared to rats fed C and BA diets, serum cholesterol levels were significantly reduced in rats fed CT and BAT diets, but a significant reduction of serum cholesterol by taurine feeding was not observed in the CHT group as compared to the CH group. An increase in hepatic CYP7A1 activity due to taurine intake was observed in the CT and BAT groups. However, the simultaneous administration of cholestyramine and taurine (CHT group) did not in-crease hepatic CYP7A1 activity compared the intake of cholestyramine only (CH group). A significant increase in fecal bile acid excretion due to taurine intake was found only in rats fed the CT diet. In conclusion, it is suggested that taurine facilitates hepatic CYP7A1 activ-ity regardless of the enlarged intestinal pool of bile acids due to increased intake of exogenous bile acid, and then reduces the serum cholesterol concentration.
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ Ｎｕｔｒｉｔｉｏｎａｌ Ｓｃｉｅｎｃｅ ａｎｄ Ｖｉｔａｍｉｎｏｌｏｇｙ
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Ｊｏｕｒｎａｌ ｏｆ Ｎｕｔｒｉｔｉｏｎａｌ Ｓｃｉｅｎｃｅ ａｎｄ Ｖｉｔａｍｉｎｏｌｏｇｙ 49 (1), 21-26, 2003
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詳細情報 詳細情報について
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- CRID
- 1390282681302991744
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- NII論文ID
- 10012072753
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- NII書誌ID
- AA00703822
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- ISSN
- 18817742
- 03014800
- http://id.crossref.org/issn/03014800
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- NDL書誌ID
- 6519248
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- PubMed
- 12882392
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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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- NDLサーチ
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- 使用不可
