2008
DOI: 10.1016/j.pneurobio.2008.09.006
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Driving GDNF expression: The green and the red traffic lights

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Cited by 93 publications
(83 citation statements)
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References 453 publications
(616 reference statements)
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“…GDNF is present in several parts of the brain (mainly striatum, thalamus, and septum) and is normally expressed in neurons (Pochon et al, 1997;Trupp et al, 1997), but the nature of striatal neurons responsible for GDNF synthesis is not fully characterized (Bizon et al, 1999). Moreover, GDNF mRNA is detected in cultured astrocytes and microglia, but whether the trophic factor is produced in relevant amounts in vivo by these cell types has not been precisely evaluated (Saavedra et al, 2008). It has been reported that GDNF expression increases under brain injury due to recruitment of GDNF-synthesizing glial cells (astrocytes and microglia), which may eventually become the predominant source of the trophic agent (Hughes et al, 1999;Bresjanac and Antauer, 2000).…”
Section: Introductionmentioning
confidence: 99%
“…GDNF is present in several parts of the brain (mainly striatum, thalamus, and septum) and is normally expressed in neurons (Pochon et al, 1997;Trupp et al, 1997), but the nature of striatal neurons responsible for GDNF synthesis is not fully characterized (Bizon et al, 1999). Moreover, GDNF mRNA is detected in cultured astrocytes and microglia, but whether the trophic factor is produced in relevant amounts in vivo by these cell types has not been precisely evaluated (Saavedra et al, 2008). It has been reported that GDNF expression increases under brain injury due to recruitment of GDNF-synthesizing glial cells (astrocytes and microglia), which may eventually become the predominant source of the trophic agent (Hughes et al, 1999;Bresjanac and Antauer, 2000).…”
Section: Introductionmentioning
confidence: 99%
“…Such an approach may therefore lead to maximal transgene expression in the required brain region, while preventing offtarget effects resulting from ectopic expression in afferent regions. Moreover, since astrocytes are the major source of GDNF upon brain injury and may be responsible for maintenance of GDNF levels in the SN of PD brains (Mogi et al, 2001;Saavedra et al, 2008), astrocytic-hGDNF expression by the lentiviral vector GFAPp would be beneficial as demonstrated in this study.…”
Section: Discussionmentioning
confidence: 88%
“…Classiquement, le GDNF exerce ses effets via deux récepteurs de signalisation principaux : la tyrosine kinase RET (rearranged during transfection) et NCAM. RET et NCAM recrutent toutes deux un corécepteur, GFR1 (GDNF family receptor a1), qui augmente l'affinité de liaison de GDNF et l'activation des voies de signalisation intracellulaires [2,4]. Nous avons observé, par immunomarquages sur coupes et analyse d'une lignée murine dans laquelle une réponse à Sema3B ainsi créée.…”
Section: Régulation Des Réponses Axonales Aux Signaux De Guidageunclassified
“…Dans les systèmes nerveux central et périphérique, il est détecté dans la plupart des structures cérébrales. Il est ainsi accessible à de nombreuses populations de neurones : neurones dopaminergiques du mésencéphale ou cellules de Purkinje, motoneurones de la moelle épinière et, en périphérie, neurones sympathiques et neurones entériques dérivés des crêtes neurales [2]. Le GDNF possède des propriétés biologiques diversifiées : dans le cerveau adulte, un de ses effets majeurs est de promouvoir la survie des neurones dopaminergiques.…”
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