Cited by 30Neuroscience and Neuropharmacology ResearchHearing, Cochlea, Tinnitus, GeneticsNeurogenesis and neuroplasticity mechanisms

Perineuronal nets and GABAergic cells in the inferior colliculus of guinea pigs

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Foster, Nichole L., Mellott, Jeffrey G., Schofield, Brett R.·2014·Frontiers in Neuroanatomy

Abstract

Perineuronal nets (PNs) are aggregates of extracellular matrix that have been associated with neuronal plasticity, critical periods, fast-spiking cells and protection from oxidative stress. Although PNs have been reported in the auditory system in several species, there is disagreement about the distribution of PNs within the inferior colliculus (IC), an important auditory hub in the midbrain. Furthermore, PNs in many brain areas are preferentially associated with GABAergic cells, but whether such an association exists in the IC has not been addressed. We used Wisteria floribunda agglutinin staining and immunohistochemistry in guinea pigs to examine PNs within the IC. PNs are present in all IC subdivisions and are densest in the central portions of the IC. Throughout the IC, PNs are preferentially associated with GABAergic cells. Not all GABAergic cells are surrounded by PNs, so the presence of PNs can be used to subdivide IC GABAergic cells into "netted" and "non-netted" categories. Finally, PNs in the IC, like those in other brain areas, display molecular heterogeneity that suggests a multitude of functions.

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  • GABAergic neurons represent one of the largest populations bearing PNNs in several brain regions, including cortical areas, striatum, hippocampus, inferior colliculus, septum, and amygdala.

    “Among these, GABAergic neurons undoubtedly represent one of the largest populations in several brain regions, including several cortical areas, striatum, hippocampus, inferior colliculus, septum and amygdala (Foster et al., 2014; Hartig et al., 1994; Lee et al., 2012; Pantazopoulos et al., 2006; Seeger et al., 1996; Shah and Lodge, 2013).”

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Authors
Foster, N. L., Mellott, J. G., & Schofield, B. R.
Affiliations
  • Northeast Ohio Medical University (US)
  • Kent State University (US)
Corresponding author
Schofield, Brett R.
Venue
Frontiers in Neuroanatomy
Published
2014
Volume
7
Pages
53-53
ISSN
1662-5129 (ISSN-L)
OpenAlex
W1995234724
Cited by
30
References
53
Citations by year
2025: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 5 · 2019: 4 · 2018: 6 · 2017: 2 · 2016: 6 · 2015: 3
FWCI
1.68
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Neuroanatomy (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health
  • National Institute on Deafness and Other Communication Disorders (F32DC012450, R01DC004391)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Sensory Systems › Hearing, Cochlea, Tinnitus, Genetics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
perineuronal nets, inferior colliculus, GABAergic neurons, extracellular matrix, auditory midbrain, guinea pig, neuroplasticity, oxidative stress, Wisteria floribunda agglutinin

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