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Perineuronal Nets: Old Structures, New Functions
The NeuroscientistPerineuronal nets (PNNs) are morphologically distinct aggregates of extracellular matrix that predominantly ensheath fast-spiking GABAergic neurons in the brain. Discovered in the late 19th century by Camilo Golgi, PNNs have emerged as an important stabilizing structure of synapses during development.
Bhanu P. Tewari +2 more
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Distribution of perineuronal nets in the adult rat neocortex
Somatosensory & Motor ResearchPerineuronal nets (PNNs) are specialised extracellular matrix structures of the central nervous system that predominantly surround inhibitory interneurons. The development of PNNs is activity dependent and relies on sensory input to mature to an adult expression pattern, coinciding with the crysallization of synaptic circuitry following the closure of ...
Kumarie Budhu +4 more
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Perineuronal Nets: From Structure to Neurological Disorders
Current Medicinal ChemistryPerineuronal nets (PNN) is condensed extracellular matrix (ECM) in the central nervous system (CNS), which surrounds cell soma, axon initial segments, and synapses. In the brain, most neurons surrounded by PNN are interneurons, especially the parvalbumin-expressing interneurons (PVI).
Xianghe, Li +5 more
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Perineuronal Nets in the Superior Olivary Complex
2018Abstract This chapter addresses perineuronal nets in the superior olivary complex, a collection of nuclei in the auditory brainstem that are involved in the processing of sound source location. Perineuronal nets, a specific form of extracellular matrix, are believed to control synaptic plasticity.
Markus Morawski, Mandy Sonntag
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An Extracellular Perspective on CNS Maturation: Perineuronal Nets and the Control of Plasticity
International Journal of Molecular Sciences, 2021Joost Verhaagen +2 more
exaly
Cerebellar plasticity and associative memories are controlled by perineuronal nets
Proceedings of the National Academy of Sciences of the United States of America, 2020Chris De Zeeuw +2 more
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2.26 - Perineuronal nets in memory
Perineuronal nets (PNN) are specialized structures surrounding certain nerve cells. Although considered as a part of the extracellular matrix (ECM), they are composed of sugars stemming from the cells they surround as well as of extracellular glycoproteins.Zhang, Hui +5 more
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