Cited by 961Neurogenesis and neuroplasticity mechanismsNeuroinflammation and Neurodegeneration MechanismsGlioma Diagnosis and Treatment

PDGFRA/NG2 glia generate myelinating oligodendrocytes and piriform projection neurons in adult mice

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Rivers, Leanne E, Young, Kaylene M, Rizzi, Matteo, Jamen, Françoise, Psachoulia, Konstantina, Wade, Anna, Kessaris, Nicoletta, Richardson, William D·2008·Nature Neuroscience

Abstract

Platelet-derived growth factor alpha receptor (PDGFRA)/NG2-expressing glia are distributed throughout the adult CNS. They are descended from oligodendrocyte precursors (OLPs) in the perinatal CNS, but it is not clear whether they continue to generate myelinating oligodendrocytes or other differentiated cells during normal adult life. We followed the fates of adult OLPs in Pdgfra-creER(T2)/Rosa26-YFP double-transgenic mice and found that they generated many myelinating oligodendrocytes during adulthood; >20% of all oligodendrocytes in the adult mouse corpus callosum were generated after 7 weeks of age, raising questions about the function of the late-myelinating axons. OLPs also produced some myelinating cells in the cortex, but the majority of adult-born cortical cells did not appear to myelinate. We found no evidence for astrocyte production in gray or white matter. However, small numbers of projection neurons were generated in the forebrain, especially in the piriform cortex, which is the main target of the olfactory bulb.

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  • Oligodendrocyte precursors (OPs) continue to proliferate and generate myelinating oligodendrocytes (OLs) well into adulthood.

    “Oligodendrocyte precursors (OPs) continue to proliferate and generate myelinating oligodendrocytes (OLs) well into adulthood.”

    From Oligodendrocyte Dynamics in the Healthy Adult CNS: Evidence for Myelin Remodeling (2013) · cites this paper as Rivers et al., 2008

  • At P120+7, 19.9% ± 3.2% of all optic nerve OPs (defined by NG2 immunolabeling) were YFP labeled, less than in adult corpus callosum (approximately 45%) or spinal cord (approximately 39%).

    “A short time later (P120+7), 19.9% ± 3.2% of all optic nerve OPs (defined by NG2 immunolabeling) were YFP labeled (mean ±SD, n = 3 mice), less than in the adult corpus callosum (∼45%; Rivers et al., 2008) or spinal cord (∼39%; Zawadzka et al., 2010; Tripathi et al., 2010).”

    From Oligodendrocyte Dynamics in the Healthy Adult CNS: Evidence for Myelin Remodeling (2013) · cites this paper as Rivers et al., 2008

  • Because the number-density of OPs within a given region does not change much with age, half of the daughters of OP divisions must either differentiate or die.

    “Because the number-density of OPs within a given region does not change much with age (Rivers et al., 2008), it follows that half of the daughters of OP divisions must either differentiate (and lose OP markers) or die.”

    From Oligodendrocyte Dynamics in the Healthy Adult CNS: Evidence for Myelin Remodeling (2013) · cites this paper as Rivers et al., 2008

  • Approximately 30% of all OLs present in the corpus callosum of 8-month-old mice are generated after 7 weeks of age.

    “The scale of new OL genesis in the adult is unexpectedly large: ∼30% of all OLs present in the corpus callosum of 8-month-old mice are generated after 7 weeks of age (Rivers et al., 2008; Zhu et al., 2011).”

    From Oligodendrocyte Dynamics in the Healthy Adult CNS: Evidence for Myelin Remodeling (2013) · cites this paper as Rivers et al., 2008

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Authors
Rivers, L. E., Young, K. M., Rizzi, M., Jamen, F., Psachoulia, K., Wade, A., Kessaris, N., & Richardson, W. D.
Affiliations
University College London (GB)
Corresponding author
Richardson, William D
Venue
Nature Neuroscience
Published
2008-10-08
Volume
11
Issue
12
Pages
1392-1401
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2058915525
Cited by
961
References
55
Citations by year
2026: 35 · 2025: 52 · 2024: 42 · 2023: 54 · 2022: 53 · 2021: 52 · 2020: 67 · 2019: 62 · 2018: 52 · 2017: 53 · 2016: 50 · 2015: 70 · 2014: 60 · 2013: 61 · 2012: 60
FWCI
13.86
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eCite Digital Repository (University of Tasmania) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
  • Wellcome Trust (080513)
  • Biotechnology and Biological Sciences Research Council
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
Keywords
oligodendrocyte lineage, myelinating oligodendrocytes, adult neurogenesis, piriform cortex, projection neurons, corpus callosum, cortical myelination, olfactory bulb, fate mapping
MeSH terms
Oligodendrocyte Transcription Factor 2, Chondroitin Sulfate Proteoglycan 4, Animals, Antigens, Bromodeoxyuridine, Cell Differentiation, Cerebral Cortex, Myelin Basic Protein, Estrogen Antagonists, Gene Expression Regulation, Humans, Luminescent Proteins, Mice, Transgenic, Nerve Tissue Proteins, Neural Pathways, Neurons, Oligodendroglia, Phosphopyruvate Hydratase, Proteins, Proteoglycans, Tamoxifen, 2',3'-Cyclic-Nucleotide Phosphodiesterases, Receptor, Platelet-Derived Growth Factor alpha, RNA, Untranslated, Mice, Receptor, Fibroblast Growth Factor, Type 3, Basic Helix-Loop-Helix Transcription Factors, Basic Helix-Loop-Helix Proteins, Adult Stem Cells, SOXE Transcription Factors

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