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Front Immunol. 2012 Dec 18;3:385. doi: 10.3389/fimmu.2012.00385. eCollection 2012.

The emerging role of neutrophils in thrombosis-the journey of TF through NETs.

Author information

1
First Department of Internal Medicine, University General Hospital of Alexandroupolis, Democritus University of Thrace Alexandroupolis, Greece.

Abstract

The production of TF by neutrophils and their contribution in thrombosis was until recently a matter of scientific debate. Experimental data suggested the de novo TF production by neutrophils under inflammatory stimuli, while others proposed that these cells acquired microparticle-derived TF. Recent experimental evidence revealed the critical role of neutrophils in thrombotic events. Neutrophil derived TF has been implicated in this process in several human and animal models. Additionally, neutrophil extracellular trap (NET) release has emerged as a major contributor in neutrophil-driven thrombogenicity in disease models including sepsis, deep venous thrombosis, and malignancy. It is suggested that NETs provide the scaffold for fibrin deposition and platelet entrapment and subsequent activation. The recently reported autophagy-dependent extracellular delivery of TF in NETs further supports the involvement of neutrophils in thrombosis. Herein, we seek to review novel data regarding the role of neutrophils in thrombosis, emphasizing the implication of TF and NETs.

KEYWORDS:

coagulation cascade; neutrophil; neutrophil extracellular traps; thrombosis; tissue factor

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