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Human tissue-type plasminogen activator.

E K O Kruithof¹, S Dunoyer-Geindre²

¹Egbert K.O. Kruithof, Division of Angiology and Hemostasis, Department of internal medicine, University Hospital of Geneva and Faculty of Medicine of the University of Geneva, University Medical Center CMU 9094, 1 Rue Michel Servet, CH1211 Geneva 4, Switzerland, Tel.: +41 22 3795493 or +41 22 3795567,

Thrombosis and Haemostasis

|April 11, 2014

Summary

Tissue-type plasminogen activator (t-PA) is crucial for fibrin removal and brain functions. This review details t-PA

Keywords:

Plasminogen activators endothelial cells gene regulation nervous system

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Area of Science:

Biochemistry
Molecular Biology
Physiology

Background:

Tissue-type plasminogen activator (t-PA) is vital for dissolving blood clots and has diverse roles in the brain.
Its production by various cells indicates functions beyond the vascular and central nervous systems.

Purpose of the Study:

To review current knowledge on t-PA functions.
To emphasize the regulation of t-PA gene expression and pericellular activity.

Main Methods:

Literature review of studies on t-PA.
Analysis of regulatory mechanisms at gene, mRNA, protein, and activity levels.

Main Results:

t-PA activity is tightly regulated through multiple pathways including gene transcription, mRNA stability, protein storage/release, cofactor interaction, inhibition, and clearance.
Gene transcription of t-PA is influenced by various signaling molecules and can be tissue-specific.

Conclusions:

t-PA exhibits complex regulation at multiple levels, particularly at the gene expression stage.
Understanding t-PA regulation is key to elucidating its physiological and pathological roles.