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 …

Extracellular matrix and perineuronal nets in CNS repair

JCF Kwok, G Dick, D Wang… - Developmental …, 2011 - Wiley Online Library
A perineuronal net (PNN) is a layer of lattice‐like matrix which enwraps the surface of the
soma and dendrites, and in some cases the axon initial segments, in sub‐populations of …

Developmental pattern of perineuronal nets in the human prefrontal cortex and their deficit in schizophrenia

SA Mauney, KM Athanas, H Pantazopoulos… - Biological …, 2013 - Elsevier
Background Perineuronal nets (PNNs) are extracellular matrix structures that enwrap many
neurons in the brain. They regulate the postnatal experience-dependent maturation of brain …

Very long-term memories may be stored in the pattern of holes in the perineuronal net

RY Tsien - Proceedings of the National Academy of …, 2013 - National Acad Sciences
A hypothesis and the experiments to test it propose that very long-term memories, such as
fear conditioning, are stored as the pattern of holes in the perineuronal net (PNN), a …

Activity-dependent exocytosis of lysosomes regulates the structural plasticity of dendritic spines

Z Padamsey, L McGuinness, SJ Bardo, M Reinhart… - Neuron, 2017 - cell.com
Lysosomes have traditionally been viewed as degradative organelles, although a growing
body of evidence suggests that they can function as Ca 2+ stores. Here we examined the …

Genetic reduction of matrix metalloproteinase-9 promotes formation of perineuronal nets around parvalbumin-expressing interneurons and normalizes auditory cortex …

TH Wen, S Afroz, SM Reinhard, AR Palacios… - Cerebral …, 2018 - academic.oup.com
Abnormal sensory responses associated with Fragile X Syndrome (FXS) and autism
spectrum disorders include hypersensitivity and impaired habituation to repeated stimuli …

CD44: molecular interactions, signaling and functions in the nervous system

J Dzwonek, GM Wilczynski - Frontiers in cellular neuroscience, 2015 - frontiersin.org
CD44 is the major surface hyaluronan (HA) receptor implicated in intercellular and cell-
matrix adhesion, cell migration and signaling. It is a transmembrane, highly glycosylated …

Synaptic remodeling depends on signaling between serotonin receptors and the extracellular matrix

M Bijata, J Labus, D Guseva, M Stawarski, M Butzlaff… - Cell Reports, 2017 - cell.com
Rewiring of synaptic circuitry pertinent to memory formation has been associated with
morphological changes in dendritic spines and with extracellular matrix (ECM) remodeling …

[HTML][HTML] Perineuronal net digestion with chondroitinase restores memory in mice with tau pathology

S Yang, M Cacquevel, LM Saksida, TJ Bussey… - Experimental …, 2015 - Elsevier
Alzheimer's disease is the most prevalent tauopathy and cause of dementia. We investigate
the hypothesis that reactivation of plasticity can restore function in the presence of neuronal …

Genetic removal of matrix metalloproteinase 9 rescues the symptoms of fragile X syndrome in a mouse model

H Sidhu, LE Dansie, PW Hickmott… - Journal of …, 2014 - Soc Neuroscience
Fmr1 knock-out (ko) mice display key features of fragile X syndrome (FXS), including
delayed dendritic spine maturation and FXS-associated behaviors, such as poor …