Cited by 499Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsProtease and Inhibitor Mechanisms

Matrix metalloproteinase-9 is required for hippocampal late-phase long-term potentiation and memory

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Nagy, Vanja, Bozdagi, Ozlem, Matynia, Anna, Balcerzyk, Marcin, Okulski, Pawel, Dzwonek, Joanna, Costa, Rui M., Silva, Alcino J. +2 more·2006·The Journal of Neuroscience

Abstract

Matrix metalloproteinases (MMPs) are extracellular proteases that have well recognized roles in cell signaling and remodeling in many tissues. In the brain, their activation and function are customarily associated with injury or pathology. Here, we demonstrate a novel role for MMP-9 in hippocampal synaptic physiology, plasticity, and memory. MMP-9 protein levels and proteolytic activity are rapidly increased by stimuli that induce late-phase long-term potentiation (L-LTP) in area CA1. Such regulation requires NMDA receptors and protein synthesis. Blockade of MMP-9 pharmacologically prevents induction of L-LTP selectively; MMP-9 plays no role in, nor is regulated during, other forms of short-term synaptic potentiation or long-lasting synaptic depression. Similarly, in slices from MMP-9 null-mutant mice, hippocampal LTP, but not long-term depression, is impaired in magnitude and duration; adding recombinant active MMP-9 to null-mutant slices restores the magnitude and duration of LTP to wild-type levels. Activated MMP-9 localizes in part to synapses and modulates hippocampal synaptic physiology through integrin receptors, because integrin function-blocking reagents prevent an MMP-9-mediated potentiation of synaptic signal strength. The fundamental importance of MMP-9 function in modulating hippocampal synaptic physiology and plasticity is underscored by behavioral impairments in hippocampal-dependent memory displayed by MMP-9 null-mutant mice. Together, these data reveal new functions for MMPs in synaptic and behavioral plasticity.

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Crossref · 10.1523/jneurosci.4359-05.2006

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Authors
Nagy, V., Bozdagi, O., Matynia, A., Balcerzyk, M., Okulski, P., Dzwonek, J., Costa, R. M., Silva, A. J., Kaczmarek, L., & Huntley, G. W.
Affiliations
  • Icahn School of Medicine at Mount Sinai (US)
  • University of California, Los Angeles (US)
  • Instytut Biologii Doświadczalnej im. Marcelego Nenckiego (PL)
Corresponding author
Huntley, George W.
Venue
The Journal of Neuroscience
Published
2006-02-15
Volume
26
Issue
7
Pages
1923-1934
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2117308838
Cited by
499
References
74
Citations by year
2026: 15 · 2025: 14 · 2024: 15 · 2023: 24 · 2022: 26 · 2021: 21 · 2020: 24 · 2019: 23 · 2018: 20 · 2017: 27 · 2016: 28 · 2015: 26 · 2014: 36 · 2013: 35 · 2012: 32
FWCI
10.63
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation (9724504)
  • National Institutes of Health
  • U.S. Public Health Service
  • National Institute of Mental Health (R01MH075783)
  • National Cancer Institute (R24CA095823)
  • National Institute of Neurological Disorders and Stroke (NS 34659)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Protease and Inhibitor Mechanisms
Keywords
MMP-9, hippocampus, CA1, synaptic plasticity, memory, NMDA receptor, protein synthesis, integrins, long-term depression, hippocampal-dependent memory
MeSH terms
Animals, Disease Models, Animal, Hippocampus, Memory, Mice, Inbred C57BL, Neuronal Plasticity, Rats, Sprague-Dawley, Long-Term Potentiation, Pyramidal Cells, Mice, Knockout, Matrix Metalloproteinase 9, Mice, Rats

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