Cited by 329Neurogenesis and neuroplasticity mechanismsStroke Rehabilitation and RecoveryNerve injury and regeneration

The DOI matches its Crossref record; 71 of the 71 references it cites were found in a registry or an index.

Human neural stem cells enhance structural plasticity and axonal transport in the ischaemic brain

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Abstract

Stem cell transplantation promises new hope for the treatment of stroke although significant questions remain about how the grafted cells elicit their effects. One hypothesis is that transplanted stem cells enhance endogenous repair mechanisms activated after cerebral ischaemia. Recognizing that bilateral reorganization of surviving circuits is associated with recovery after stroke, we investigated the ability of transplanted human neural progenitor cells to enhance this structural plasticity. Our results show the first evidence that human neural progenitor cell treatment can significantly increase dendritic plasticity in both the ipsi- and contralesional cortex and this coincides with stem cell-induced functional recovery. Moreover, stem cell-grafted rats demonstrated increased corticocortical, corticostriatal, corticothalamic and corticospinal axonal rewiring from the contralesional side; with the transcallosal and corticospinal axonal sprouting correlating with functional recovery. Furthermore, we demonstrate that axonal transport, which is critical for both proper axonal function and axonal sprouting, is inhibited by stroke and that this is rescued by the stem cell treatment, thus identifying another novel potential mechanism of action of transplanted cells. Finally, we established in vitro co-culture assays in which these stem cells mimicked the effects observed in vivo. Through immunodepletion studies, we identified vascular endothelial growth factor, thrombospondins 1 and 2, and slit as mediators partially responsible for stem cell-induced effects on dendritic sprouting, axonal plasticity and axonal transport in vitro. Thus, we postulate that human neural progenitor cells aid recovery after stroke through secretion of factors that enhance brain repair and plasticity.

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Metadata

Authors
Andres, R. H., Horie, N., Slikker, W., Keren-Gill, H., Zhan, K., Sun, G., Manley, N. C., Pereira, M. P., Sheikh, L. A., McMillan, E. L., Schaar, B. T., Svendsen, C. N., Bliss, T. M., & Steinberg, G. K.
Affiliations
  • Stanford Medicine (US)
  • Stanford University (US)
  • University of Wisconsin–Madison (US)
  • Cedars-Sinai Medical Center (US)
Corresponding author
  • Bliss, Tonya M.
  • Steinberg, Gary K.
Venue
Brain
Published
2011-05-24
Volume
134
Issue
6
Pages
1777-1789
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2009703235
Cited by
329
References
71
Citations by year
2026: 4 · 2025: 9 · 2024: 18 · 2023: 18 · 2022: 14 · 2021: 22 · 2020: 20 · 2019: 16 · 2018: 23 · 2017: 30 · 2016: 18 · 2015: 39 · 2014: 28 · 2013: 33 · 2012: 24
FWCI
10.19
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Brain (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion, other-oa)
  • Open Access CRIS of the University of Bern
Funders
  • National Science Foundation
  • Hearst Foundations
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (123221, 117034, PASMP3-123221/1)
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (R01 NS27292, R01NS058784, P01 NS 37520, P01NS057778, P01NS037520, R01NS027292)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Rehabilitation › Stroke Rehabilitation and Recovery
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
Keywords
neural stem cell transplantation, neural progenitor cells, stroke, cerebral ischemia, structural plasticity, dendritic sprouting, axonal transport, corticospinal axons, functional recovery, vascular endothelial growth factor, thrombospondin, slits, co-culture, brain repair
MeSH terms
Analysis of Variance, Animals, Axonal Transport, Biotin, Cell Survival, Cells, Cultured, Cerebral Cortex, Brain Ischemia, Corpus Callosum, Dendrites, Dextrans, Disease Models, Animal, Fetus, Gene Expression Regulation, Humans, Male, Nerve Tissue Proteins, Neuronal Plasticity, Psychomotor Performance, Rats, Nude, RNA, Messenger, Time Factors, Vibrissae, Rats, Sprague-Dawley, Brain Infarction, Rats, Neural Stem Cells

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