The roles of perineuronal nets and the perinodal extracellular matrix in neuronal function

JW Fawcett, T Oohashi, T Pizzorusso - Nature Reviews Neuroscience, 2019 - nature.com
Perineuronal nets (PNNs) are extracellular matrix (ECM) chondroitin sulfate proteoglycan
(CSPG)-containing structures that surround the soma and dendrites of various mammalian …

Impact of perineuronal nets on electrophysiology of parvalbumin interneurons, principal neurons, and brain oscillations: a review

JC Wingert, BA Sorg - Frontiers in synaptic neuroscience, 2021 - frontiersin.org
Perineuronal nets (PNNs) are specialized extracellular matrix structures that surround
specific neurons in the brain and spinal cord, appear during critical periods of development …

A comprehensive atlas of perineuronal net distribution and colocalization with parvalbumin in the adult mouse brain

L Lupori, V Totaro, S Cornuti, L Ciampi, F Carrara… - Cell Reports, 2023 - cell.com
Perineuronal nets (PNNs) surround specific neurons in the brain and are involved in various
forms of plasticity and clinical conditions. However, our understanding of the PNN role in …

Neuroinflammation: a signature or a cause of epilepsy?

E Pracucci, V Pillai, D Lamers, R Parra… - International journal of …, 2021 - mdpi.com
Epilepsy can be both a primary pathology and a secondary effect of many neurological
conditions. Many papers show that neuroinflammation is a product of epilepsy, and that in …

[HTML][HTML] Shifting developmental trajectories during critical periods of brain formation

N Dehorter, I Del Pino - Frontiers in cellular neuroscience, 2020 - frontiersin.org
Research on critical periods of brain development is greatly expanding our understanding of
the cellular and molecular mechanisms underlying the epochs of heightened plasticity …

Perineuronal nets: subtle structures with large implications

H Carceller, Y Gramuntell, P Klimczak… - The …, 2023 - journals.sagepub.com
Perineuronal nets (PNNs) are specialized structures of the extracellular matrix that surround
the soma and proximal dendrites of certain neurons in the central nervous system …

Perineuronal nets in the rat medial prefrontal cortex alter hippocampal-prefrontal oscillations and reshape cocaine self-administration memories

JC Wingert, JD Ramos, SX Reynolds… - Journal of …, 2024 - jneurosci.org
The medial prefrontal cortex (mPFC) is a major contributor to relapse to cocaine in humans
and to reinstatement in rodent models of cocaine use disorder. Output from the mPFC is …

Acan downregulation in parvalbumin GABAergic cells reduces spontaneous recovery of fear memories

M Lavertu-Jolin, B Chattopadhyaya, P Chehrazi… - Molecular …, 2023 - nature.com
While persistence of fear memories is essential for survival, a failure to inhibit fear in
response to harmless stimuli is a feature of anxiety disorders. Extinction training only …

Perineuronal nets stabilize the grid cell network

AC Christensen, KK Lensjø, ME Lepperød… - Nature …, 2021 - nature.com
Grid cells are part of a widespread network which supports navigation and spatial memory.
Stable grid patterns appear late in development, in concert with extracellular matrix …

Regulation of perineuronal nets in the adult cortex by the activity of the cortical network

G Devienne, S Picaud, I Cohen, J Piquet… - Journal of …, 2021 - Soc Neuroscience
Perineuronal net (PNN) accumulation around parvalbumin-expressing (PV) inhibitory
interneurons marks the closure of critical periods of high plasticity, whereas PNN removal …