Journal
NEUROSCIENCE LETTERS
Volume 411, Issue 1, Pages 32-36Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2006.08.089
Keywords
copper/zinc superoxide dismutase; gene therapy; stroke; focal ischemia; cerebral ischemia
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Funding
- NINDS NIH HHS [P01 NS037520] Funding Source: Medline
- PHS HHS [NINDS P01 37520] Funding Source: Medline
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Reactive oxygen species contribute to neuronal death following cerebral ischemia. Prior studies using transgenic animals have demonstrated the neuroprotective effect of the antioxidant, copper/zinc superoxide dismutase (SOD1). In this study, we investigated whether SOD1 overexpression using gene therapy techniques in non-transgenic animals would increase neuronal survival. A neurotropic, herpes simplex virus-1 (HSV-1) vector containing the SOD1 gene was injected into the striatum either before or after transient focal cerebral ischemia. Striatal neuron survival at 2 days was improved by 52% when vector was delivered 12-15 h prior to ischemia and by 53% when vector delivery was delayed 2 h following ischemia. These data add to the growing literature, which suggests that an antioxidant approach, perhaps by employing gene therapy techniques, may be beneficial in the treatment of stroke. (c) 2006 Elsevier Ireland Ltd. All rights reserved.
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