Vitamin E at Physiological Levels Enhances Mouse Macrophages to Bind and Incorporate Oxidized Low Density Lipoprotein

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We have reported that high exogenous vitamin E (0.1-1 mM) inhibits thioglycollate-induced mouse peritoneal macrophages from binding and uptake of oxidized low density lipoprotein (oxLDL). However, in the present study, we found the amount of oxLDL bound to mouse macrophages increased with increasing levels of endogenous vitamin E in macrophages. Different vitamin E levels in macrophages were obtained by feeding mice with vitamin E deficient-, adequate- or rich-diet for 3 weeks;0.02, 0.12 and 0.14 μg/mg protein, respectively. Exogenous vitamin E dose-dependently (up to 1 μM) increased the amount of oxLDL bound to macrophages from mice fed vitamin E adequate-diet and the numbers of lipid droplet positive macrophages. An increase of oxLDL binding with increasing of exogenous vitamin E was also observed in macrophages from mice fed vitamin E deficient-diet. Above results suggest that vitamin E at physiological levels enhances macrophages to bind and incorporate oxLDL.

収録刊行物

  • Journal of oleo science

    Journal of oleo science 51(6), 407-415, 2002-06-01

    Japan Oil Chemists' Society

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各種コード

  • NII論文ID(NAID)
    10008574210
  • NII書誌ID(NCID)
    AA11503337
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13473352
  • NDL 記事登録ID
    6261880
  • NDL 雑誌分類
    ZP25(科学技術--化学・化学工業--油脂類)
  • NDL 請求記号
    Z54-J571
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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