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Related Experiment Videos

Tissue factor localization in non-human primate cerebral tissue.

G J del Zoppo1, J Q Yu, B R Copeland

  • 1Department of Molecular and Experimental Medicine, Scripps Clinic and Research Foundation, La Jolla, CA 92037.

Thrombosis and Haemostasis
|December 7, 1992
PubMed
Summary
This summary is machine-generated.

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Tissue factor (TF) is found in specific brain regions of baboons, primarily in gray matter. This procoagulant protein is associated with the microvasculature, suggesting localized roles in the primate central nervous system.

Area of Science:

  • Neuroscience
  • Hematology
  • Biochemistry

Background:

  • Tissue factor (TF) is the primary initiator of blood coagulation in humans.
  • The distribution and function of TF in the non-human primate central nervous system (CNS) are not well understood.
  • Understanding TF localization in the primate brain is crucial for studying neurological and hemostatic processes.

Purpose of the Study:

  • To investigate the regional distribution and localization of TF antigen and procoagulant activity in the baboon CNS.
  • To compare TF distribution in gray matter versus white matter.
  • To determine the association of TF with the microvasculature in the primate brain.

Main Methods:

  • Immunohistochemistry using anti-human TF monoclonal antibodies (MoAbs).

Related Experiment Videos

  • Sandwich ELISA and one-stage coagulation assays.
  • Analysis of TF antigen and activity in cortex, basal ganglia, cerebellum, and spinal cord.

    • Main Results:

    • TF antigen was detected in the cortex, basal ganglia, cerebellum, and cervical spinal cord of baboons.
    • TF showed a gray matter predilection over white matter.
    • Procoagulant activity correlated with TF antigen levels and was largely inhibitable by anti-TF MoAbs.
    • TF antigen was primarily associated with the non-capillary microvasculature.

    Conclusions:

    • TF is regionally distributed in the baboon CNS, predominantly in gray matter.
    • TF is localized to the microvasculature, suggesting specific roles in primate neurovascular hemostasis.
    • These findings provide insights into the neurobiology of coagulation in primates.