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Brain matrix metalloproteinase-9 activity is altered in the corticosterone mouse model of depression.

Authors :
Breviario S
Senserrich J
Florensa-Zanuy E
Garro-Martínez E
Díaz Á
Castro E
Pazos Á
Pilar-Cuéllar F
Source :
Progress in neuro-psychopharmacology & biological psychiatry [Prog Neuropsychopharmacol Biol Psychiatry] 2023 Jan 10; Vol. 120, pp. 110624. Date of Electronic Publication: 2022 Aug 28.
Publication Year :
2023

Abstract

Major depressive disorder is a highly prevalent psychiatric condition. Metalloproteinase 9 (MMP-9), a gelatinase involved in synaptic plasticity, learning and memory processes, is elevated in both chronic stress animal models and human peripheral blood samples of depressed patients. In this study we have evaluated the MMP-9 activity and protein expression in brain areas relevant to depression using the chronic corticosterone mouse model of depression. These mice show a depressive- and anxious-like behaviour. The MMP-9 activity and protein levels are significantly elevated in both the hippocampus and the cortex, and nectin-3 levels are lower in these brain areas in this model. In particular, these mice display an increased gelatinase activity in the CA1 and CA3 subfields of the hippocampus and in the internal layer of the prefrontal cortex. Moreover, the immobility time in the tail suspension test presents a positive correlation with the cortical MMP-9 activity, and a negative correlation with nectin-3 levels. In conclusion, the chronic corticosterone model of depression leads to an increase in the protein expression and activity of MMP-9 and a reduction of its substrate nectin-3 in relevant areas implicated in this disease. The MMP-9 activity correlates with behavioural despair in this model of depression. All these findings support the role of MMP-9 in the pathophysiology of depression, and as a putative target to develop novel antidepressant drugs.<br />Competing Interests: Declaration of Competing Interest None of the authors report potential conflicts of interest.<br /> (Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.)

Details

Language :
English
ISSN :
1878-4216
Volume :
120
Database :
MEDLINE
Journal :
Progress in neuro-psychopharmacology & biological psychiatry
Publication Type :
Academic Journal
Accession number :
36038021
Full Text :
https://doi.org/10.1016/j.pnpbp.2022.110624