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Related Experiment Videos

Tissue factor-factor VIIa signaling.

L Vijaya Mohan Rao1, Usha R Pendurthi

  • 1Biomedical Research Division, The University of Texas Health Center at Tyler, 11937 US Highway 271, Tyler, TX 75708, USA. vijay.rao@uthct.edu

Arteriosclerosis, Thrombosis, and Vascular Biology
|December 1, 2004
PubMed
Summary
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Tissue factor (TF) initiates blood clotting and triggers cell signaling pathways. TF-FVIIa interactions activate protease-activated receptors (PARs), influencing cellular functions and disease processes.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Physiology

Background:

  • Tissue Factor (TF) is crucial for initiating the coagulation cascade via Factor VIIa (FVIIa).
  • Emerging evidence suggests TF-FVIIa interactions have roles beyond hemostasis, including cell signaling.

Purpose of the Study:

  • To review the mechanisms of TF-mediated cell signaling.
  • To elucidate how TF-VIIa signaling regulates cellular behavior and pathophysiological processes.

Main Methods:

  • Review of recent studies utilizing cell model systems.
  • Analysis of limited in vivo experimental data.

Main Results:

  • TF-FVIIa interaction initiates both blood clotting and cell signaling.

Related Experiment Videos

  • Signaling involves protease-activated receptors (PARs) and TF-cytoplasmic domain phosphorylation.
  • TF-mediated signaling regulates diverse cellular functions.

    • Conclusions:

    • TF plays a dual role in hemostasis and cell signaling.
    • TF-VIIa protease-dependent signaling is a key mechanism regulating cellular responses in various conditions.