Gene therapy in epilepsy |
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Authors: | Riban Véronique Fitzsimons Helen L During Matthew J |
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Institution: | Neuroscience Program, Department of Molecular Virology, Immunology and Medical Genetics, The Ohio State University, Biological Research Tower, Columbus, Ohio, U.S.A.;;and Neurologix, Inc., Fort Lee, New Jersey, U.S.A. |
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Abstract: | Results from animal models suggest gene therapy is a promising new approach for the treatment of epilepsy. Several candidate genes such as neuropeptide Y and galanin have been demonstrated in preclinical studies to have a positive effect on seizure activity. For a successful gene therapy-based treatment, efficient delivery of a transgene to target neurons is also essential. To this end, advances have been made in the areas of cell transplantation and in the development of recombinant viral vectors for gene delivery. Recombinant adeno-associated viral (rAAV) vectors in particular show promise for gene therapy of neurological disorders due to their neuronal tropism, lack of toxicity, and stable persistence in neurons, which results in robust, long-term expression of the transgene. rAAV vectors have been recently used in phase I clinical trials of Parkinson's disease with an excellent safety profile. Prior to commencement of phase I trials for gene therapy of epilepsy, further preclinical studies are ongoing including evaluation of the therapeutic benefit in chronic models of epileptogenesis, as well as assessment of safety in toxicological studies. |
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Keywords: | Seizures Transplantation Adeno–associated viral vector Neuropeptide Y Galanin |
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