Cited by 1,452Neurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology ResearchNeuroinflammation and Neurodegeneration Mechanisms

Astroglia induce neurogenesis from adult neural stem cells

Song, Hongjun, Stevens, Charles F., Gage, Fred H.·2002·Nature

Abstract

During an investigation of the mechanisms through which the local environment controls the fate specification of adult neural stem cells, we discovered that adult astrocytes from hippocampus are capable of regulating neurogenesis by instructing the stem cells to adopt a neuronal fate. This role in fate specification was unexpected because, during development, neurons are generated before most of the astrocytes. Our findings, together with recent reports that astrocytes regulate synapse formation and synaptic transmission, reinforce the emerging view that astrocytes have an active regulatory role--rather than merely supportive roles traditionally assigned to them--in the mature central nervous system.

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Crossref · 10.1038/417039a

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44 of 44 references verified0 citation errors · 0 not checkable

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  • Radial glial cells, stem cell precursors, and astrocytes all express GFAP and are found in the dentate gyrus.

    “Radial glial cells, stem cell precursors, and astrocytes - all reported to express GFAP (reviewed in ref.26) - are found in the dentate gyrus2,27,28.”
  • Astrocytes within the adult hippocampus influence stem cell proliferation, their commitment to a neuronal phenotype, and their survival.

    “Astrocytes within the adult hippocampus influence stem cell proliferation, their commitment to a neuronal phenotype, and their survival (Song et al., 2002), raising the possibility that there are distinct properties of astrocytes in the hippocampus that promote adult neurogenesis (Figure 2A).”

    From Adult neurogenesis, glia, and the extracellular matrix (2019) · cites this paper as Song et al., 2002

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Authors
Song, H., Stevens, C. F., & Gage, F. H.
Affiliations
Salk Institute for Biological Studies (US)
Corresponding author
  • Stevens, Charles F.
  • Gage, Fred H.
Venue
Nature
Published
2002-05
Volume
417
Issue
6884
Pages
39-44
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2117523148
Cited by
1,452
References
44
Citations by year
2026: 8 · 2025: 23 · 2024: 22 · 2023: 20 · 2022: 41 · 2021: 32 · 2020: 41 · 2019: 38 · 2018: 39 · 2017: 56 · 2016: 47 · 2015: 61 · 2014: 58 · 2013: 74 · 2012: 83
FWCI
23.26
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
astrocytes, adult neural stem cells, neurogenesis, neuronal fate specification, hippocampus, astrocyte-neuron interaction, stem cell fate regulation
MeSH terms
Aging, Animals, Animals, Newborn, Astrocytes, Bromodeoxyuridine, Cell Differentiation, Cell Division, Cell Survival, Cells, Cultured, Fibroblasts, Hippocampus, Laminin, Neurons, Oligodendroglia, Organ Specificity, Rats, Inbred F344, Spinal Cord, Stem Cells, Culture Media, Serum-Free, Coculture Techniques, Cell Lineage, Rats

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