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Current Gene Therapy


ISSN (Print): 1566-5232
ISSN (Online): 1875-5631

Non-Primate EIAV-Based Lentiviral Vectors as Gene Delivery System for Motor Neuron Diseases

Author(s): M. Azzouz and N. Mazarakis

Volume 4, Issue 3, 2004

Page: [277 - 286] Pages: 10

DOI: 10.2174/1566523043346291

Price: $65


Motor neuron diseases such as amyotrophic lateral sclerosis (ALS) and spinal muscular atrophy (SMA) are neurodegenerative diseases, which cause progressive paralysis and premature death in affected adults and children. The treatment rational for these diseases is to halt or delay the degeneration of motor neurons but to date there are no effective drugs. This may however change with recent advances in gene therapy using lentiviral vectors. These vectors can transfer genes to motor neurons with high efficiency and give long term expression. One of these vector systems, based on the equine infectious anaemia virus (EIAV), can insert genes into the cells of the central nervous system after remote delivery including delivery into the muscle by exploiting retrograde transport pathways. This opens up the exciting possibity of rescuing the denervation of key muscle groups in patients by simple injections of these neurotropic lentiviral vectors into the muscle. This review will describe the general features of lentiviral vectors derived from the EIAV. It will then describe some key examples of gene transfer and genetic correction in animal models of motor neuron disease. The prospects for the clinical evaluation of lentiviral vectors for the treatment of human motor neuron disease will be outlined.

Keywords: eiav, motor neuron, motor neuron diseases, als, sma, ientiviral, gene therapy

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