Low-Molecular-Weight Heparin (Dalteparin) Demonstrated a Weaker Effect on Rat Bone Metabolism Compared with Heparin

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We studied the pharmacological effects of dalteparin (low-molecular-weight heparin)and heparin on bone metabolism in rats. After their 28 days of consecutive intravenous injections, significant loss of bone weight and mineral contents was observed in the heparin-treated rats, whereas dalteparin slightly reduced bone mass. By the end of the experiment, the femora of 7 out of 8 rats fractured in the heparin (10, 000 U/kg/day)-treated group, but none had broken in the control and dalteparin-treated groups. Serum osteocalcin levels were significantly decreased in the former group. The growth plate width of the tibia was increased in a dose-dependent manner, especially in the heparin-treated group. Histomorphometric assessment of tibia showed that the osteoid surface and mineral apposition rates were significantly reduced in the heparin-treated group, whereas the eroded surface was significantly increased in the heparin-treated group. The above results suggest that heparin not only augments bone resorption but also suppressed bone formation and that dalteparin has a weaker suppressive effect on bone formation compared with heparin.

収録刊行物

  • The Japanese journal of pharmacology

    The Japanese journal of pharmacology 74(1), 59-68, 1997-05-01

    The Japanese Pharmacological Society

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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)
    10008678411
  • NII書誌ID(NCID)
    AA00691188
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00215198
  • NDL 記事登録ID
    4219983
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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