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Cited by 286

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

The aging neurogenic subventricular zone

Open access
Luo, Jie, Daniels, Stephen B., Lennington, Jessica B., Notti, Ryan Q., Conover, Joanne C.·2006·Aging Cell

Abstract

Summary: In the adult mouse brain, the subventricular zone (SVZ) is a neurogenic stem cell niche only 4–5 cell diameters thick. Within this narrow zone, a unique microenvironment supports stem cell self‐renewal, gliogenesis or neurogenesis lineage decisions and tangential migration of newly generated neurons out of the SVZ and into the olfactory bulb. However, with aging, SVZ neurogenesis declines. Here, we examine the dynamic interplay between SVZ cytoarchitecture and neurogenesis through aging. Assembly of high‐resolution electron microscopy images of corresponding coronal sections from 2‐, 10‐ and 22‐month‐old mice into photomontages reveal a thinning of the SVZ with age. Following a 2‐h BrdU pulse, we detect a significant decrease in cell proliferation from 2 to 22 months. Neuroblast numbers decrease with age, as do transitory amplifying progenitor cells, while both SVZ astrocytes and adjacent ependymal cells remain relatively constant. At 22 months, only residual pockets of neurogenesis remain and neuroblasts become restricted to the anterior dorsolateral horn of the SVZ. Within this dorsolateral zone many key components of the younger neurogenic niche are maintained; however, in the aged SVZ, increased numbers of SVZ astrocytes are found interposed within the ependyma. These astrocytes co‐label with markers to ependymal cells and astrocytes, form intercellular adherens junctions with neighboring ependymal cells, and some possess multiple basal bodies of cilia within their cytoplasm. Together, these data reveal an age‐related, progressive restriction of SVZ neurogenesis to the dorsolateral aspect of the lateral ventricle with increased numbers of SVZ astrocytes interpolated within the ependyma.

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Crossref · 10.1111/j.1474-9726.2006.00197.x

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Metadata

Authors
Luo, J., Daniels, S. B., Lennington, J. B., Notti, R. Q., & Conover, J. C.
Venue
Aging Cell
Publisher
Wiley
Published
2006-02-22
Volume
5
Issue
2
Pages
139-152
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W2070439522
Cited by
286
References
9
FWCI
3.93
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The aging neurogenic subventricular zone. https://app.cochat.ai/papers/10.1111/j.1474-9726.2006.00197.x
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Luo, J., Daniels, S. B., Lennington, J. B., Notti, R. Q., & Conover, J. C. (2006). The aging neurogenic subventricular zone. Aging Cell. https://doi.org/10.1111/j.1474-9726.2006.00197.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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