Vol 21: Intracisternal delivery of AAV9 results in oligodendrocyte and motor neuron transduction in the whole central nervous system of cats.Reportar como inadecuado



 Vol 21: Intracisternal delivery of AAV9 results in oligodendrocyte and motor neuron transduction in the whole central nervous system of cats.


Vol 21: Intracisternal delivery of AAV9 results in oligodendrocyte and motor neuron transduction in the whole central nervous system of cats. - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

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This article is from Gene Therapy, volume 21.AbstractSystemic and intracerebrospinal fluid delivery of adeno-associated virus serotype 9 AAV9 has been shown to achieve widespread gene delivery to the central nervous system CNS. However, after systemic injection, the neurotropism of the vector has been reported to vary according to age at injection, with greater neuronal transduction in newborns and preferential glial cell tropism in adults. This difference has not yet been reported after cerebrospinal fluid CSF delivery. The present study analyzed both neuronal and glial cell transduction in the CNS of cats according to age of AAV9 CSF injection. In both newborns and young cats, administration of AAV9-GFP in the cisterna magna resulted in high levels of motor neurons MNs transduction from the cervical 84±5% to the lumbar 99±1% spinal cord, demonstrating that the remarkable tropism of AAV9 for MNs is not affected by age at CSF delivery. Surprisingly, numerous oligodendrocytes were also transduced in the brain and in the spinal cord white matter of young cats, but not of neonates, indicating that i age of CSF delivery influences the tropism of AAV9 for glial cells and ii AAV9 intracisternal delivery could be relevant for both the treatment of MN and demyelinating disorders.



Autor: Bucher, T; Dubreil, L; Colle, M-A; Maquigneau, M; Deniaud, J; Ledevin, M; Moullier, P; Joussemet, B

Fuente: https://archive.org/







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