炎症に伴う凝固・線溶異常におけるIL-6の保護的役割 Role of interleukin-6 in coagulatory and hemostatic disturbance during inflammation

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Although the role of interleukin(IL)-6 in inflammatory disease has been previously examined, its role in hemostasis, fibrinolysis, and coagulation during inflammation remins to be established. The present study reviewed the role of IL-6 in hemostatic and coagulatory changes during inflammation, with special emphasis on the inflammation induced by intraperitoneal administration of lipopolysaccharide in IL-6 null<SUP>-/-</SUP> mice and corresponding wild type(WT) mice. After LPS challenge, IL-6<SUP>-/-</SUP> mice revealed significant prolongation of prothrombin time and partial thromboplastin time and a significant decrease in platelet counts as compared with WT mice. LPS treatment induced marked pulmonary hemorrahage with neutrophilic inflammation in IL-6<SUP>-/-</SUP> mice, in contrast, only mild neutrophilic infiltration in WT mice confirmed by macroscopic and histological findings. The protein levels of proinflammatory mediators in the lungs were significantly greater in IL-6<SUP>-/-</SUP> mice than in WT mice after LPS challenge. Our results conclude that IL-6 is protective against coagulatory and hemostatic disturbance and subsequent pulmonary hemorrhage induced by bacterial endotoxin, at least party, via the modulation of proinflammatory processes. In addition, our studies suggest that anti-IL-6 therapy may not be efficient for systemic inflammatory disease such as disseminated intravascular coagulation, acute lung injury, and sepsis.

収録刊行物

  • 炎症・再生 : 日本炎症・再生医学会雑誌 = Inflammation and regeneration  

    炎症・再生 : 日本炎症・再生医学会雑誌 = Inflammation and regeneration 26(1), 40-43, 2006-01-25 

    The Japanese Society of Inflammation and Regeneration

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各種コード

  • NII論文ID(NAID)
    10018657166
  • NII書誌ID(NCID)
    AA11508953
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    13468022
  • データ提供元
    CJP書誌  J-STAGE 
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