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Related Experiment Videos

[Antiphospholipid syndrome]

T Atsumi1, T Koike

  • 1Department of Internal Medicine II, Hokkaido University School of Medicine.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|February 18, 1998
PubMed
Summary
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Antiphospholipid antibodies (aPL) are linked to thrombosis and pregnancy loss. These autoantibodies may trigger clotting by binding to cells via specific proteins, contributing to antiphospholipid syndrome (APS).

Area of Science:

  • Immunology
  • Hematology
  • Autoimmunity

Context:

  • Antiphospholipid antibodies (aPL) are autoantibodies targeting negatively charged phospholipids or associated binding proteins.
  • Their presence is a hallmark of antiphospholipid syndrome (APS), a common acquired thrombophilia.
  • APS is characterized by arterial/venous thrombosis and recurrent pregnancy loss.

Purpose:

  • To explore the role of phospholipid-binding proteins in the pathophysiology of thrombotic events in APS.
  • To investigate the hypothesis that aPL binding to cells, mediated by these proteins, induces procoagulant activity.

Summary:

  • Beta 2-glycoprotein I (beta 2GPI) is identified as a key binding protein for anticardiolipin antibodies (aCL).
  • Lupus anticoagulant activity is dependent on beta 2GPI or prothrombin.

Related Experiment Videos

  • Phospholipid-binding proteins are crucial in mediating aPL's prothrombotic effects.

    • Impact:

    • Elucidates the mechanism by which aPL contribute to thrombosis in APS.
    • Highlights the critical role of beta 2GPI and other binding proteins in aPL-associated pathology.
    • Provides insights for potential therapeutic targets in managing APS and related thrombotic disorders.