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Subcortical Visual Shell Nuclei Targeted by ipRGCs Develop from a Sox14+-GABAergic Progenitor and Require Sox14 to Regulate Daily Activity Rhythms

Research output: Contribution to journalArticle

Alessio Delogu, Katherine Sellers, Laskaro Zagoraiou, Alina Bocianowska-Zbrog, Shyamali Mandal, Jordi Guimera, John L. R. Rubenstein, David Sugden, Thomas Jessell, Andrew Lumsden

Original languageEnglish
Article numberN/A
Pages (from-to)648-662
Number of pages15
JournalNeuron
Volume75
Issue number4
DOIs
Published23 Aug 2012

King's Authors

Abstract

Intrinsically photosensitive retinal ganglion cells (ipRGCs) and their nuclear targets in the subcortical visual shell (SVS) are components of the non-image-forming visual system, which regulates important physiological processes, including photoentrainment of the circadian rhythm. While ipRGCs have been the subject of much recent research, less is known about their central targets and how they develop to support specific behavioral functions. We describe Sox14 as a marker to follow the ontogeny of the SVS and find that the complex forms from two narrow stripes of Dlx2-negative GABAergic progenitors in the early diencephalon through sequential waves of tangential migration. We characterize the requirement for Sox14 to orchestrate the correct distribution of neurons among the different nuclei of the network and describe how Sox14 expression is required both to ensure robustness in circadian entrainment and for masking of motor activity.

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