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Cux2-Positive Radial Glial Cells Generate Diverse Subtypes of Neocortical Projection Neurons and Macroglia


We recently published genetic lineage-tracing experiments using the Fezf2 and Cux2 loci. These experiments demonstrated that at both the clonal and population levels Fezf2(+) RGCs are multipotent and that at the population level Cux2(+) RGCs are multipotent. Here, we extend our work on the lineages of Fezf2(+) and Cux2(+) RGCs. Clonal analysis of E10.5 neocortical progenitors suggests that most, if not all, Cux2(+) and Fezf2(+) RGCs generate diverse projection neuron subtypes located throughout layers 2-6. These results support our previous conclusion that both Fezf2(+) and Cux2(+) RGCs are multipotent neocortical progenitors. This Matters Arising Response paper addresses the Gil-Sanz et al. (2015) Matters Arising paper, published concurrently in Neuron.

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