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The absence of retinal input disrupts the development of cholinergic brainstem projections in the mouse dorsal lateral geniculate nucleus.

Guela Sokhadze | Tania A Seabrook | William Guido
Neural development | 2018

The dorsal lateral geniculate nucleus (dLGN) of the mouse has become a model system for understanding thalamic circuit assembly. While the development of retinal projections to dLGN has been a topic of extensive inquiry, how and when nonretinal projections innervate this nucleus remains largely unexplored. In this study, we examined the development of a major nonretinal projection to dLGN, the ascending input arising from cholinergic neurons of the brainstem. To visualize these projections, we used a transgenic mouse line that expresses red fluorescent protein exclusively in cholinergic neurons. To assess whether retinal input regulates the timing and pattern of cholinergic innervation of dLGN, we utilized the math5-null (math5-/-) mouse, which lacks retinofugal projections due to a failure of retinal ganglion cell differentiation.

Pubmed ID: 30541618

Research resources used in this publication

None found

Antibodies used in this publication

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Associated grants

  • Agency: NEI NIH HHS, United States
    Id: R01 EY012716
  • Agency: NEI NIH HHS, United States
    Id: EY012716

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