食環境因子による血清リポタンパク質代謝の変動機構に関する研究 Changes in Serum Lipoprotein Metabolism Induced by Dietary Protein and Xenobiotics

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著者

    • 小田 裕昭 ODA Hiroaki
    • 名古屋大学農学部応用生物科学科 Department of Applied Biological Sciences, School of Agricultural Sciences, Nagoya University

抄録

It is well known that dietary xenobiotics and protein nutrition affect cholesterol and serum lipoprotein metabolism, although these precise mechanism has not been fully clarified. Treatment of rats with xenobiotics such as polychlorinated biphenyls (PCB) resulted in hyper-α-lipoproteinemia, characterized by an increase of apolipoprotein A-I (apo A-I) and replacement of apo E by apo A-I. Dietary PCB increased the hepatic levels of mRNA for apo A-I and HMG-CoA reductase. In hepatocyte culture, a direct effect of PCB on hepatocytes was revealed. The dietary level of protein regulated the expression of the liver apo A-I gene transcriptionally in a liver-specific manner. Soy protein isolate (SPI) decreased the cholesterol level of very-low-density lipoproteins and of high-density lipoproteins in comparison with casein. SPI lowered the level of apo E-rich lipoproteins, and then decreased that of apo A-I-rich lipoproteins. The hepatic apo A-I mRNA level was decreased by SPI, and elevated by addition of methionine. These results demonstrate that dietary xenobiotics and protein are regulators of apo A-I gene expression and the serum level of high-density lipoproteins.

収録刊行物

  • 日本栄養・食糧学会誌 : Nippon eiyo shokuryo gakkaishi = Journal of Japanese Society of Nutrition and Food Science

    日本栄養・食糧学会誌 : Nippon eiyo shokuryo gakkaishi = Journal of Japanese Society of Nutrition and Food Science 48(5), 357-364, 1995-10-10

    Japan Society of Nutrition and Food Science

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被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    10008562970
  • NII書誌ID(NCID)
    AN00311992
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    02873516
  • NDL 記事登録ID
    3645073
  • NDL 刊行物分類
    SC226(衛生学・公衆衛生--食品衛生・栄養学)
  • NDL 雑誌分類
    ZS8(科学技術--医学--解剖学・生理学・生化学)
  • NDL 請求記号
    Z19-53
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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