Rescue of lesioned adult rat spinal motoneurons by adenoviral gene transfer of glial cell line‐derived neurotrophic factor
Identifieur interne : 003384 ( Main/Exploration ); précédent : 003383; suivant : 003385Rescue of lesioned adult rat spinal motoneurons by adenoviral gene transfer of glial cell line‐derived neurotrophic factor
Auteurs : K. Watabe [Japon] ; T. Ohashi [Japon] ; T. Sakamoto [Japon] ; Y. Kawazoe [Japon] ; T. Takeshima [Japon] ; K. Oyanagi [Japon] ; K. Inoue [Japon] ; Y. Eto [Japon] ; S. U. Kim [Canada]Source :
- [ 0360-4012 ]
Abstract
Glial cell line‐derived neurotrophic factor (GDNF) has been shown to protect cranial and spinal motoneurons, that suggests potential uses of GDNF in the treatment of spinal cord injury and motor neuron diseases. We examined neuroprotective effect of human GDNF encoded by an adenovirus vector (AxCAhGDNF) on the death of lesioned adult rat spinal motoneurons. The seventh cervical segment (C7) ventral and dorsal roots and dorsal root ganglia of adult Fisher 344 rats were avulsed, and AxCAhGDNF, AxCALacZ (adenovirus encoding β‐galactosidase gene) or PBS was inoculated in C7 vertebral foramen. One week after the avulsion and treatment with AxCALacZ, the animals showed expression of β‐galactosidase activity in lesioned spinal motoneurons. Animals avulsed and treated with AxCAhGDNF showed intense immunolabeling for GDNF in lesioned spinal motoneurons and expression of virus‐induced human GDNF mRNA transcripts in the lesioned spinal cord tissue. Nissl‐stained cell counts revealed that the treatment with AxCAhGDNF significantly prevented the loss of lesioned ventral horn motoneurons 2 to 8 weeks after avulsion, as compared to AxCALacZ or PBS treatment. Furthermore, the AxCAhGDNF treatment ameliorated choline acetyltransferase immunoreactivity in the lesioned motoneurons after avulsion. These results indicate that the adenovirus‐mediated gene transfer of GDNF may prevent the degeneration of motoneurons in adult humans with spinal cord injury and motor neuron diseases. J. Neurosci. Res. 60:511–519, 2000 © 2000 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/(SICI)1097-4547(20000515)60:4<511::AID-JNR10>3.0.CO;2-I
Affiliations:
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Kim</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Division of Neurology, Department of Medicine, University of British Columbia, Vancouver, BC</wicri:regionArea><wicri:noRegion>BC</wicri:noRegion></affiliation></author></analytic><series><idno type="ISSN">0360-4012</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0360-4012</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Glial cell line‐derived neurotrophic factor (GDNF) has been shown to protect cranial and spinal motoneurons, that suggests potential uses of GDNF in the treatment of spinal cord injury and motor neuron diseases. We examined neuroprotective effect of human GDNF encoded by an adenovirus vector (AxCAhGDNF) on the death of lesioned adult rat spinal motoneurons. The seventh cervical segment (C7) ventral and dorsal roots and dorsal root ganglia of adult Fisher 344 rats were avulsed, and AxCAhGDNF, AxCALacZ (adenovirus encoding β‐galactosidase gene) or PBS was inoculated in C7 vertebral foramen. One week after the avulsion and treatment with AxCALacZ, the animals showed expression of β‐galactosidase activity in lesioned spinal motoneurons. Animals avulsed and treated with AxCAhGDNF showed intense immunolabeling for GDNF in lesioned spinal motoneurons and expression of virus‐induced human GDNF mRNA transcripts in the lesioned spinal cord tissue. Nissl‐stained cell counts revealed that the treatment with AxCAhGDNF significantly prevented the loss of lesioned ventral horn motoneurons 2 to 8 weeks after avulsion, as compared to AxCALacZ or PBS treatment. Furthermore, the AxCAhGDNF treatment ameliorated choline acetyltransferase immunoreactivity in the lesioned motoneurons after avulsion. These results indicate that the adenovirus‐mediated gene transfer of GDNF may prevent the degeneration of motoneurons in adult humans with spinal cord injury and motor neuron diseases. J. Neurosci. Res. 60:511–519, 2000 © 2000 Wiley‐Liss, Inc.</div></front></TEI><affiliations><list><country><li>Canada</li><li>Japon</li></country><settlement><li>Tokyo</li></settlement></list><tree><country name="Japon"><noRegion><name sortKey="Watabe, K" sort="Watabe, K" uniqKey="Watabe K" first="K." last="Watabe">K. Watabe</name></noRegion><name sortKey="Eto, Y" sort="Eto, Y" uniqKey="Eto Y" first="Y." last="Eto">Y. Eto</name><name sortKey="Inoue, K" sort="Inoue, K" uniqKey="Inoue K" first="K." last="Inoue">K. Inoue</name><name sortKey="Kawazoe, Y" sort="Kawazoe, Y" uniqKey="Kawazoe Y" first="Y." last="Kawazoe">Y. Kawazoe</name><name sortKey="Ohashi, T" sort="Ohashi, T" uniqKey="Ohashi T" first="T." last="Ohashi">T. Ohashi</name><name sortKey="Oyanagi, K" sort="Oyanagi, K" uniqKey="Oyanagi K" first="K." last="Oyanagi">K. Oyanagi</name><name sortKey="Sakamoto, T" sort="Sakamoto, T" uniqKey="Sakamoto T" first="T." last="Sakamoto">T. Sakamoto</name><name sortKey="Sakamoto, T" sort="Sakamoto, T" uniqKey="Sakamoto T" first="T." last="Sakamoto">T. Sakamoto</name><name sortKey="Takeshima, T" sort="Takeshima, T" uniqKey="Takeshima T" first="T." last="Takeshima">T. Takeshima</name><name sortKey="Watabe, K" sort="Watabe, K" uniqKey="Watabe K" first="K." last="Watabe">K. Watabe</name></country><country name="Canada"><noRegion><name sortKey="Kim, S U" sort="Kim, S U" uniqKey="Kim S" first="S. U." last="Kim">S. U. Kim</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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