Cited by 2,799Neurogenesis and neuroplasticity mechanismsNeuroinflammation and Neurodegeneration MechanismsCongenital heart defects research

Neuronal replacement from endogenous precursors in the adult brain after stroke

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Arvidsson, Andreas, Collin, Tove, Kirik, Deniz, Kokaia, Zaal, Lindvall, Olle·2002·Nature Medicine

Abstract

In the adult brain, new neurons are continuously generated in the subventricular zone and dentate gyrus, but it is unknown whether these neurons can replace those lost following damage or disease. Here we show that stroke, caused by transient middle cerebral artery occlusion in adult rats, leads to a marked increase of cell proliferation in the subventricular zone. Stroke-generated new neurons, as well as neuroblasts probably already formed before the insult, migrate into the severely damaged area of the striatum, where they express markers of developing and mature, striatal medium-sized spiny neurons. Thus, stroke induces differentiation of new neurons into the phenotype of most of the neurons destroyed by the ischemic lesion. Here we show that the adult brain has the capacity for self-repair after insults causing extensive neuronal death. If the new neurons are functional and their formation can be stimulated, a novel therapeutic strategy might be developed for stroke in humans.

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Authors
Arvidsson, A., Collin, T., Kirik, D., Kokaia, Z., & Lindvall, O.
Affiliations
Skåne University Hospital (SE)
Corresponding author
Arvidsson, Andreas
Venue
Nature Medicine
Published
2002-08-05
Volume
8
Issue
9
Pages
963-970
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2168272960
Cited by
2,799
References
36
Citations by year
2026: 38 · 2025: 55 · 2024: 54 · 2023: 71 · 2022: 59 · 2021: 82 · 2020: 106 · 2019: 101 · 2018: 113 · 2017: 121 · 2016: 138 · 2015: 125 · 2014: 150 · 2013: 187 · 2012: 182
FWCI
21.00
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion, other-oa)
Funders
Vetenskapsrådet
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
Keywords
stroke, adult neurogenesis, subventricular zone, dentate gyrus, neuronal replacement, cell proliferation, neuroblast migration, striatum, medium spiny neurons, neuronal differentiation, ischemic brain injury, self-healing, middle cerebral artery occlusion
MeSH terms
Pre-B-Cell Leukemia Transcription Factor 1, Doublecortin Domain Proteins, Animals, Brain, Cell Division, Cell Movement, DNA-Binding Proteins, Male, Microtubule-Associated Proteins, Neurons, Neuropeptides, Proto-Oncogene Proteins, Stem Cells, Biomarkers, Rats, Wistar, Homeodomain Proteins, Stroke, Lateral Ventricles, Rats

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