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 …

The extracellular matrix and perineuronal nets in memory

JW Fawcett, M Fyhn, P Jendelova, JCF Kwok… - Molecular …, 2022 - nature.com
All components of the CNS are surrounded by a diffuse extracellular matrix (ECM)
containing chondroitin sulphate proteoglycans (CSPGs), heparan sulphate proteoglycans …

Microglia-mediated degradation of perineuronal nets promotes pain

S Tansley, N Gu, AU Guzmán, W Cai, C Wong… - Science, 2022 - science.org
Activation of microglia in the spinal cord dorsal horn after peripheral nerve injury contributes
to the development of pain hypersensitivity. How activated microglia selectively enhance the …

Intrinsic activity development unfolds along a sensorimotor–association cortical axis in youth

VJ Sydnor, B Larsen, J Seidlitz, A Adebimpe… - Nature …, 2023 - nature.com
Animal studies of neurodevelopment have shown that recordings of intrinsic cortical activity
evolve from synchronized and high amplitude to sparse and low amplitude as plasticity …

Microglia as hackers of the matrix: sculpting synapses and the extracellular space

JD Crapser, MA Arreola, KI Tsourmas… - Cellular & molecular …, 2021 - nature.com
Microglia shape the synaptic environment in health and disease, but synapses do not exist
in a vacuum. Instead, pre-and postsynaptic terminals are surrounded by extracellular matrix …

A glial perspective on the extracellular matrix and perineuronal net remodeling in the central nervous system

BP Tewari, L Chaunsali, CE Prim… - Frontiers in cellular …, 2022 - frontiersin.org
A structural scaffold embedding brain cells and vasculature is known as extracellular matrix
(ECM). The physical appearance of ECM in the central nervous system (CNS) ranges from a …

Critical period regulation across multiple timescales

RK Reh, BG Dias, CA Nelson III… - Proceedings of the …, 2020 - National Acad Sciences
Brain plasticity is dynamically regulated across the life span, peaking during windows of
early life. Typically assessed in the physiological range of milliseconds (real time), these …

Adult neurogenesis, glia, and the extracellular matrix

EC Cope, E Gould - Cell Stem Cell, 2019 - cell.com
In the adult mammalian hippocampus, new neurons arise from stem and progenitor cell
division, in a process known as adult neurogenesis. Adult-generated neurons are sensitive …

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 …

Aggrecan directs extracellular matrix-mediated neuronal plasticity

D Rowlands, KK Lensjø, T Dinh, S Yang… - Journal of …, 2018 - Soc Neuroscience
In the adult brain, the extracellular matrix (ECM) influences recovery after injury,
susceptibility to mental disorders, and is in general a strong regulator of neuronal plasticity …