Transient callosal projections of L4 neurons are eliminated for the acquisition of local connectivity
It is traditionally believed that callosal and non-callosal fates are determined early after a neuron’s birth, and that cortical layer (L) 4 excitatory neurons of the primary somatosensory (S1) barrel cortex project only ipsilaterally. However, here authors demonstrate, using a novel axonal retrotra...
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| Autores principales: | , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2019
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/106cb058e4634e248a4c78643c8fc11a |
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| Sumario: | It is traditionally believed that callosal and non-callosal fates are determined early after a neuron’s birth, and that cortical layer (L) 4 excitatory neurons of the primary somatosensory (S1) barrel cortex project only ipsilaterally. However, here authors demonstrate, using a novel axonal retrotracing strategy, that L4 neurons develop transient interhemispheric axons that are refined in an area- and layer-specific manner during postnatal development. |
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