Is tissue-type plasminogen activator a neuromodulator?

Mónica Fernández-Monreal, José P. López-Atalaya, Karim Benchenane, Frederic Léveillé, Mathias Cacquevel, Laurent Plawinski, Eric T. MacKenzie, Guojun D Bu, Alain Buisson, Denis Vivien

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

In the last few years, it has been evidenced that serine proteases play key roles in the mammalian brain, both in physiological and pathological conditions. It has been well established that among these serine proteases, the tissue-type plasminogen activator (t-PA) is critically involved in development, plasticity, and pathology of the nervous system. However, its mechanism of action remains to be further investigated. By using pharmacological and immunological approaches, we have evidenced in the present work that t-PA should be considered as a neuromodulator. Indeed, we have observed that: (i) neuronal depolarization induces a release of t-PA; (ii) this release of t-PA is sensitive to exocytosis inhibition and calcium chelation; (iii) released t-PA modulates NMDA receptor signaling and (iv) astrocytes are able to recapture extracellular t-PA through a low-density lipoprotein (LDL) receptor-related protein (LRP)-dependent mechanism.

Original languageEnglish (US)
Pages (from-to)594-601
Number of pages8
JournalMolecular and Cellular Neuroscience
Volume25
Issue number4
DOIs
StatePublished - Apr 2004
Externally publishedYes

Fingerprint

Plasminogen Activators
Tissue Plasminogen Activator
Neurotransmitter Agents
Serine Proteases
LDL-Receptor Related Proteins
LDL Receptors
Exocytosis
N-Methyl-D-Aspartate Receptors
Astrocytes
Nervous System
Pharmacology
Pathology
Calcium
Brain

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience
  • Developmental Neuroscience

Cite this

Fernández-Monreal, M., López-Atalaya, J. P., Benchenane, K., Léveillé, F., Cacquevel, M., Plawinski, L., ... Vivien, D. (2004). Is tissue-type plasminogen activator a neuromodulator? Molecular and Cellular Neuroscience, 25(4), 594-601. https://doi.org/10.1016/j.mcn.2003.11.002

Is tissue-type plasminogen activator a neuromodulator? / Fernández-Monreal, Mónica; López-Atalaya, José P.; Benchenane, Karim; Léveillé, Frederic; Cacquevel, Mathias; Plawinski, Laurent; MacKenzie, Eric T.; Bu, Guojun D; Buisson, Alain; Vivien, Denis.

In: Molecular and Cellular Neuroscience, Vol. 25, No. 4, 04.2004, p. 594-601.

Research output: Contribution to journalArticle

Fernández-Monreal, M, López-Atalaya, JP, Benchenane, K, Léveillé, F, Cacquevel, M, Plawinski, L, MacKenzie, ET, Bu, GD, Buisson, A & Vivien, D 2004, 'Is tissue-type plasminogen activator a neuromodulator?', Molecular and Cellular Neuroscience, vol. 25, no. 4, pp. 594-601. https://doi.org/10.1016/j.mcn.2003.11.002
Fernández-Monreal M, López-Atalaya JP, Benchenane K, Léveillé F, Cacquevel M, Plawinski L et al. Is tissue-type plasminogen activator a neuromodulator? Molecular and Cellular Neuroscience. 2004 Apr;25(4):594-601. https://doi.org/10.1016/j.mcn.2003.11.002
Fernández-Monreal, Mónica ; López-Atalaya, José P. ; Benchenane, Karim ; Léveillé, Frederic ; Cacquevel, Mathias ; Plawinski, Laurent ; MacKenzie, Eric T. ; Bu, Guojun D ; Buisson, Alain ; Vivien, Denis. / Is tissue-type plasminogen activator a neuromodulator?. In: Molecular and Cellular Neuroscience. 2004 ; Vol. 25, No. 4. pp. 594-601.
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