Cited by 209Stroke Rehabilitation and RecoverySpinal Cord Injury ResearchNerve injury and regeneration

Anti-Nogo-A antibody infusion 24 hours after experimental stroke improved behavioral outcome and corticospinal plasticity in normotensive and spontaneously hypertensive rats

Wiessner, Christoph, Bareyre, Florence M., Allegrini, Peter R., Mir, Anis K., Frentzel, Stefan, Zurini, Mauro, Schnell, Lisa, Oertle, Thomas +1 more·2003·Journal of Cerebral Blood Flow & Metabolism

Abstract

Nogo-A is a myelin-associated neurite outgrowth inhibitory protein limiting recovery and plasticity after central nervous system injury. In this study, a purified monoclonal anti-Nogo-A antibody (7B12) was evaluated in two rat stroke models with a time-to-treatment of 24 hours after injury. After photothrombotic cortical injury (PCI) and intraventricular infusion of a control mouse immunoglobulin G for 2 weeks, long-term contralateral forepaw function was reduced to about 55% of prelesion performance until the latest time point investigated (9 weeks). Forepaw function was significantly better in the 7B12-treated group 6 to 9 weeks after PCI, and reached about 70% of prelesion levels. Cortical infarcts were also produced in spontaneously hypertensive rats (SHR) by permanent middle cerebral artery occlusion (MCAO). In the control group, forepaw function remained between 40% and 50% of prelesion levels 4 to 12 weeks after MCAO. In contrast, 7B12-treated groups showed significant improvement between 4 and 7 weeks after MCAO from around 40% of prelesion levels at week 4 to about 60% to 70% at 7 to 12 weeks after MCAO. Treatment in both models was efficacious without influencing infarct volume or brain atrophy. Neuroanatomically in the spinal cord, a significant increase of midline crossing corticospinal fibers originating in the unlesioned sensorimotor cortex was found in 7B12-treated groups, reaching 2.3 +/- 1.5% after PCI (control group: 1.1 +/- 0.5%) and 4.5 +/- 2.2% after MCAO in SHR rats (control group: 1.8 +/- 0.8%). Behavioral outcome and the presence of midline crossing fibers in the cervical spinal cord correlated significantly, suggesting a possible contribution of the crossing fibers for forepaw function after PCI and MCAO. The results suggest that specific anti-Nogo-A antibodies bear potential as a new rehabilitative treatment approach for ischemic stroke with a prolonged time-to-treatment window.

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Crossref · 10.1097/00004647-200302000-00003

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Authors
Wiessner, C., Bareyre, F. M., Allegrini, P. R., Mir, A. K., Frentzel, S., Zurini, M., Schnell, L., Oertle, T., & Schwab, M. E.
Affiliations
  • Novartis (Switzerland) (CH)
  • University of Zurich (CH)
Venue
Journal of Cerebral Blood Flow & Metabolism
Published
2003-02
Volume
23
Issue
2
Pages
154-165
ISSN
0271-678X (ISSN-L)
OpenAlex
W2051058230
Cited by
209
References
61
Citations by year
2025: 4 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 5 · 2020: 8 · 2019: 6 · 2018: 3 · 2017: 7 · 2016: 9 · 2015: 8 · 2014: 22 · 2013: 8 · 2012: 14
FWCI
14.83
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Cerebral Blood Flow & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Rehabilitation › Stroke Rehabilitation and Recovery
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Spinal Cord Injury Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
Keywords
Nogo-A, anti-Nogo-A antibody, ischemic stroke, corticospinal plasticity, middle cerebral artery occlusion, spontaneously hypertensive rats, stroke rehabilitation, spinal cord
MeSH terms
Nogo Proteins, Animals, Antibodies, Monoclonal, Arterial Occlusive Diseases, Behavior, Animal, Brain, Cerebral Arteries, Cerebral Infarction, Drug Administration Schedule, Hypertension, Injections, Intraventricular, Male, Myelin Proteins, Neuronal Plasticity, Pyramidal Tracts, Rats, Inbred F344, Rats, Inbred SHR, Tissue Distribution, Stroke, Rats

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