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The atypical Rho GTPase Rnd2 is critical for dentate granule neuron development and anxiety-like behavior during adult but not neonatal neurogenesis
KERLOCH, Thomas
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
FARRUGIA, Fanny
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
BOUIT, Lou
Interdisciplinary Institute for Neuroscience / Institut interdisciplinaire de neurosciences [Bordeaux] [IINS]
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Interdisciplinary Institute for Neuroscience / Institut interdisciplinaire de neurosciences [Bordeaux] [IINS]
KERLOCH, Thomas
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
FARRUGIA, Fanny
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
BOUIT, Lou
Interdisciplinary Institute for Neuroscience / Institut interdisciplinaire de neurosciences [Bordeaux] [IINS]
Interdisciplinary Institute for Neuroscience / Institut interdisciplinaire de neurosciences [Bordeaux] [IINS]
MAITRE, Marlene
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
TERRAL, Geoffrey
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
KOEHL, Muriel
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
MORTESSAGNE, Pierre
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
BLANCHARD, Mylene
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
LESTE-LASSERRE, Thierry
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
GORON, Adeline
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
GONZALES, Delphine
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
PERRAIS, David
Interdisciplinary Institute for Neuroscience / Institut interdisciplinaire de neurosciences [Bordeaux] [IINS]
Interdisciplinary Institute for Neuroscience / Institut interdisciplinaire de neurosciences [Bordeaux] [IINS]
ABROUS, Djoher Nora
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
PACARY, Emilie
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
< Reduce
Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale [U1215 Inserm - UB]
Language
EN
Article de revue
This item was published in
Molecular Psychiatry. 2021-09-24, vol. 26, n° 12, p. 7280–7295
English Abstract
Despite the central role of Rho GTPases in neuronal development, their functions in adult hippocampal neurogenesis remain poorly explored. Here, by using a retrovirus-based loss-of-function approach in vivo, we show that ...Read more >
Despite the central role of Rho GTPases in neuronal development, their functions in adult hippocampal neurogenesis remain poorly explored. Here, by using a retrovirus-based loss-of-function approach in vivo, we show that the atypical Rho GTPase Rnd2 is crucial for survival, positioning, somatodendritic morphogenesis, and functional maturation of adult-born dentate granule neurons. Interestingly, most of these functions are specific to granule neurons generated during adulthood since the deletion of Rnd2 in neonatally-born granule neurons only affects dendritogenesis. In addition, suppression of Rnd2 in adult-born dentate granule neurons increases anxiety-like behavior whereas its deletion in pups has no such effect, a finding supporting the adult neurogenesis hypothesis of anxiety disorders. Thus, our results are in line with the view that adult neurogenesis is not a simple continuation of earlier processes from development, and establish a causal relationship between Rnd2 expression and anxiety.Read less <
ANR Project
Développement et fonction des nouveaux neurones dans l'hippocampe adulte: exploration du rôle clé joué par Rnd2
Bordeaux Region Aquitaine Initiative for Neuroscience - ANR-10-LABX-0043
Développment d'une infrastructure française distribuée coordonnée
Bordeaux Region Aquitaine Initiative for Neuroscience - ANR-10-LABX-0043
Développment d'une infrastructure française distribuée coordonnée
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