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| Titel: |
A genetic fusion GDNF-C fragment of tetanus toxin prolongs survival in a symptomatic mouse ALS model |
| Auteur: |
Ciriza, J. Moreno-Igoa, M. Calvo, A.C. Yague, G. Palacio, J. Miana-Mena, F.J. Muñoz, M.J. Zaragoza, P. Brûlet, P. Pinzolas, R. y Osta |
| Verschenen in: |
Restorative neurology and neuroscience |
| Paginering: | Jaargang 26 (2008) nr. 6 pagina's 459-465 |
| Jaar: |
2008-12-16 |
| Inhoud: |
Purpose: Amyotrophic Lateral Sclerosis (ALS) is a paralyzing disorder that kills individuals within three to five years of onset without any possibility for effective treatment. One proposed therapy has been the use of neurotrophic factors to inhibit the apoptosis of motorneurones. At the present, one way to deliver neurotrophic factors after intramuscular injection to the motor neurones is through the use of adenoviral vectors. An alternative strategy is the use of the atoxic C fragment of tetanus toxin (TTC) as a neurotrophic factor carrier for motorneurones. Methods: We have produced the recombinant protein fusion Glial Derived Neurotrophic Factor and C fragment of tetanus toxin (GDNF-TTC) and we have tested its antiapoptotic activity in degeneration culture cells and in the symptomatic SOD^{G93A} transgenic animal model for ALS. Results: We demonstrated that GDNF-TTC induces the neuronal survival Akt kinase pathway in mouse cortical culture neurons and~maintains its antiapoptotic neuronal activity in Neuro2A cells. Moreover, we have found that genetic fusion is able to increase survival by 9 days and improves life quality in symptomatic ALS animal models. Conclusion: These results suggest that recombinant GDNF-TTC fusion protein intramuscular injections provide a potential therapy for ALS treatment. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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