Cited by 69Stroke Rehabilitation and RecoveryNerve injury and regenerationNeurogenesis and neuroplasticity mechanisms

Vascular endothelial growth factor induces contralesional corticobulbar plasticity and functional neurological recovery in the ischemic brain

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Reitmeir, Raluca, Kilic, Ertugrul, Reinboth, Barbara S., Guo, Zeyun, ElAli, Ayman, Zechariah, Anil, Kilic, Ülkan, Hermann, Dirk M.·2012·Acta Neuropathologica

Abstract

Vascular endothelial growth factor (VEGF) is a potent angiogenic factor, which also has neuroprotective activity. In view of these dual actions on vessels and neurons, we were interested whether VEGF promotes long distance axonal plasticity in the ischemic brain. Herein, we show that VEGF promotes neurological stroke recovery in mice when delivered in a delayed way starting 3 days after middle cerebral artery occlusion. Using anterograde tract-tracing experiments that we combined with histochemical and molecular biological studies, we demonstrate that although VEGF promoted angiogenesis predominantly in the ischemic hemisphere, pronounced axonal sprouting was induced by VEGF in the contralesional, but not the ipsilesional corticobulbar system. Corticobulbar plasticity was accompanied by the deactivation of the matrix metalloproteinase MMP9 in the lesioned hemisphere and the transient downregulation of the axonal growth inhibitors NG2 proteoglycan and brevican and the guidance molecules ephrin B1/2 in the contralesional hemisphere. The regulation of matrix proteinases, growth inhibitors, and guidance molecules offers insights how brain plasticity is controlled in the ischemic brain.

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Crossref · 10.1007/s00401-011-0914-z

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Authors
Reitmeir, R., Kilic, E., Reinboth, B. S., Guo, Z., ElAli, A., Zechariah, A., Kilic, Ü., & Hermann, D. M.
Affiliations
Essen University Hospital (DE)
Corresponding author
Hermann, Dirk M.
Venue
Acta Neuropathologica
Published
2011-11-23
Volume
123
Issue
2
Pages
273-284
ISSN
  • 0001-6322 (ISSN-L)
  • 1432-0533
OpenAlex
W2043535787
Cited by
69
References
37
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 5 · 2022: 4 · 2021: 3 · 2020: 5 · 2019: 2 · 2018: 3 · 2017: 6 · 2016: 7 · 2015: 1 · 2014: 11 · 2013: 9 · 2012: 4
FWCI
8.10
Type
journal article
Language
en
Open access
Locations
  • Acta Neuropathologica (publishedVersion)
  • PubMed (publishedVersion)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion, other-oa)
  • Open Access CRIS of the University of Bern
Topics
  • Health Sciences › Medicine › Rehabilitation › Stroke Rehabilitation and Recovery
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
vascular endothelial growth factor, stroke recovery, axonal sprouting, contralesional hemisphere, middle cerebral artery occlusion, ischemic brain, angiogenesis, MMP-9, NG2 proteoglycan, brevican, neuroplasticity
MeSH terms
Animals, Brain Ischemia, Disease Models, Animal, Male, Mice, Inbred C57BL, Motor Cortex, Neuronal Plasticity, Recovery of Function, Infarction, Middle Cerebral Artery, Vascular Endothelial Growth Factor A, Mice

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