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Perineuronal net expression in the brain of a hibernating mammal
Brain Structure and Function, 2019During hibernation, mammals like the 13-lined ground squirrel cycle between physiological extremes. Most of the hibernation season is spent in bouts of torpor, where body temperature, heart rate, and cerebral blood flow are all very low. However, the ground squirrels periodically enter into interbout arousals (IBAs), where physiological parameters ...
Anna, Marchand, Christine, Schwartz
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Extracellular matrix and perineuronal nets in CNS repair
Developmental Neurobiology, 2011AbstractA 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 neurons in the central nervous system (CNS). First reported by Camillo Golgimore than a century ago, the molecular structure and the potential role of this matrix have
Jessica C F, Kwok +3 more
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Perineuronal Nets Protect Fear Memories from Erasure
Science, 2009Adult Fears Why are fear memories almost impossible to get rid of—even with extensive extinction training? Animal studies have shown that the efficacy of extinction learning depends on age. Fear memories in young animals can be permanently erased, but in adults they can be easily recovered after extinction ...
Gogolla, N. +3 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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Sexually dimorphic perineuronal nets in the rodent and primate reproductive circuit
Journal of Comparative Neurology, 2021Alessandro Ciccarelli +2 more
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An Extracellular Perspective on CNS Maturation: Perineuronal Nets and the Control of Plasticity
International Journal of Molecular Sciences, 2021Daniela Carulli, Joost Verhaagen
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