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  4. Induction of A9 dopaminergic neurons from neural stem cells improves motor function in an animal model of Parkinsons disease
 
research article

Induction of A9 dopaminergic neurons from neural stem cells improves motor function in an animal model of Parkinsons disease

O'Keeffe, Fiona E.
•
Scott, Sarah A.
•
Tyers, Pam
Show more
2008
Brain

Neural stem cells (NSCs) are widely endorsed as a cell source for replacement strategies in neurodegenerative disease. However, their usefulness is currently limited by the inability to induce specific neurotransmitter phenotypes in these cells. In order to direct dopaminergic neuronal fate, we overexpressed Pitx3 in NSCs that were then exposed to EII developing ventral mesencephalon (VM) in explant culture. This resulted in a significant potentiation of dopaminergic differentiation of the cells. When transplanted into the 6-hydroxydopamine lesioned Parkinsonian rats, these cografts of VM and Pitx3 overexpressing NSCs resulted in a significant restitution of motor function. In addition, there were greater numbers of Girk2 positive A9 neurons in the periphery of the transplants that were NSC derived. This demonstrates that given the correct signals, NSCs can be induced to become dopaminergic neurons that can differentiate into the correct nigrastriatal phenotype required for the treatment of Parkinsons disease.

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Type
research article
DOI
10.1093/brain/awm340
Web of Science ID

WOS:000253489800007

Author(s)
O'Keeffe, Fiona E.
Scott, Sarah A.
Tyers, Pam
O'Keeffe, Gerard W.
Dalley, Jeffrey W.
Zufferey, Romain
Caldwell, Maeve A.
Date Issued

2008

Publisher

Oxford University Press

Published in
Brain
Volume

131

Start page

630

End page

641

Subjects

Parkinson's disease

•

neural stem cells

•

transcription factors

•

dopamine neurons

•

Expanded Mesencephalic Precursors

•

Fetal Ventral Mesencephalon

•

Substantia-Nigra

•

In-Vitro

•

Pitx3

•

Transplantation

•

Mice

•

Differentiation

•

Proliferation

•

Survival

Note

National Licences

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SV  
Available on Infoscience
November 30, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/61580
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