Abstract
Effects of adenovirus-mediated gene transfer of glial cell line-derived neurotrophic factor (GDNF) were studied in transgenic (Tg) mice model for amyotrophic lateral sclerosis (ALS). Adenoviral vector containing GDNF gene (Ad-GDNF), E. coli lacZ (Ad-LacZ), or vehicle was injected once a week from 35 weeks of age into the right gastrocnemius muscle of Tg mice carrying mutant human Cu/Zn superoxide dismutase (SOD1) gene, and histological analysis was performed at 46 W. Clinical data showed a tendency of improvement, but was not significantly different among the three animal groups. In contrast, total number of and phospho-Akt (p-Akt) positive large motor neurons in the treated side was significantly preserved in Ad-GDNF-treated group than in vehicle- and Ad-LacZ-treated groups (*p < 0.05). Immunoreactivity of phospho-ERK (p-ERK) and active caspases-3 and -9 showed no difference. These results indicate that the Ad-GDNF treatment prevented motor neuron loss with preserving survival p-Akt signal and without affecting caspase activations, suggesting a future possibility for the therapy of the disease.
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Manabe, Y., Nagano, I., Gazi, M.S.A. et al. Adenovirus-mediated gene transfer of glial cell line-derived neurotrophic factor prevents motor neuron loss of transgenic model mice for amyotrophic lateral sclerosis. Apoptosis 7, 329–334 (2002). https://doi.org/10.1023/A:1016123413038
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DOI: https://doi.org/10.1023/A:1016123413038