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 …

Dynamic regulation of the extracellular matrix in reward memory processes: a question of time

J Valeri, B Gisabella, H Pantazopoulos - Frontiers in cellular …, 2023 - frontiersin.org
Substance use disorders are a global health problem with increasing prevalence resulting in
significant socioeconomic burden and increased mortality. Converging lines of evidence …

Neural mechanisms mediating sex differences in motivation for reward: cognitive bias, food, gambling, and drugs of abuse

CA Orsini, TE Brown, TE Hodges… - Journal of …, 2022 - Soc Neuroscience
Sex differences in motivation for food rewards, gambling, and drugs of abuse are modulated
by multiple factors, including sensory stimuli, gonadal hormones, and cognitive bias. Cues …

Extracellular matrix abnormalities in the hippocampus of subjects with substance use disorder

J Valeri, C Stiplosek, SM O'Donovan, D Sinclair… - Translational …, 2024 - nature.com
Contextual triggers are significant factors contributing to relapse in substance use disorders
(SUD). Emerging evidence points to a critical role of extracellular matrix (ECM) molecules as …

Enhanced expression of parvalbumin and perineuronal nets in the medial prefrontal cortex after extended‐access cocaine self‐administration in rats

JC Wingert, JN Anguiano, JD Ramos… - Addiction …, 2023 - Wiley Online Library
The medial prefrontal cortex (mPFC) drives cocaine‐seeking behaviour in rodent models of
cocaine use disorder. Parvalbumin (PV)‐containing GABAergic interneurons powerfully …

[HTML][HTML] Role of Perineuronal nets in the cerebellar cortex in cocaine-induced conditioned preference, extinction, and reinstatement

J Guarque-Chabrera, A Sanchez-Hernandez… - …, 2022 - Elsevier
Perineuronal nets (PNNs) are cartilage-like structures of extracellular matrix molecules that
enwrap in a net-like manner the cell-body and proximal dendrites of special subsets of …

Choice impulsivity after repeated social stress is associated with increased perineuronal nets in the medial prefrontal cortex

CA Martinez, H Pantazopoulos, B Gisabella… - Scientific Reports, 2024 - nature.com
Repeated stress can predispose to substance abuse. However, behavioral and
neurobiological adaptations that link stress to substance abuse remain unclear. This study …

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

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

Age‐dependent increase of perineuronal nets in the human hippocampus and precocious aging in epilepsy

A Lehner, L Hoffmann, S Rampp, R Coras… - Epilepsia …, 2024 - Wiley Online Library
Objective Perineuronal nets (PNN) are specialized extracellular matrix (ECM) components
of the central nervous system, frequently accumulating at the surface of inhibitory GABAergic …

Interactions between astrocytes and extracellular matrix structures contribute to neuroinflammation-associated epilepsy pathology

ALM Woo, H Sontheimer - Frontiers in Molecular Medicine, 2023 - frontiersin.org
Often considered the “housekeeping” cells of the brain, astrocytes have of late been rising to
the forefront of neurodegenerative disorder research. Identified as crucial components of a …