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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Lupus. 2008;17(5):405–411. doi: 10.1177/0961203308090025

Table 1. Coagulation Processes Disturbed by Antiphospholipid Antibodies.

Inhibition of protein C activity (acquired protein C resistance)
Inhibition of protein S cofactor activity
Inhibition of antithrombin activity
Induction of tissue factor in endothelial cells and monocytes
Inhibition of tissue factor pathway inhibitor
Inhibition of endothelial cell prostacyclin synthesis
Increased deposition of prothrombin leading to increased thrombin formation
Deposition of immune complexes
Inhibition of tPA activity
Inhibition of fibrinolysis via interaction with antiplasmin
Activation of factor XI
Induction of platelet aggregation
Disturbance of a protecting annexin A5 shield
Induction of microparticle formation
Induction of endothelial cell adhesion receptors
Complement activation