FACS-array profiling of striatal projection neuron subtypes in juvenile and adult mouse brains - PubMed (original) (raw)

doi: 10.1038/nn1654. Epub 2006 Feb 19.

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• PMID: 16491081
• DOI: 10.1038/nn1654

FACS-array profiling of striatal projection neuron subtypes in juvenile and adult mouse brains

Mary Kay Lobo et al. Nat Neurosci. 2006 Mar.

Abstract

A major challenge in systems neuroscience is to perform precise molecular genetic analyses of a single neuronal population in the context of the complex mammalian brain. Existing technologies for profiling cell type-specific gene expression are largely limited to immature or morphologically identifiable neurons. In this study, we developed a simple method using fluorescent activated cell sorting (FACS) to purify genetically labeled neurons from juvenile and adult mouse brains for gene expression profiling. We identify and verify a new set of differentially expressed genes in the striatonigral and striatopallidal neurons, two functionally and clinically important projection neuron subtypes in the basal ganglia. We further demonstrate that Ebf1 is a lineage-specific transcription factor essential to the differentiation of striatonigral neurons. Our study provides a general approach for profiling cell type-specific gene expression in the mature mammalian brain and identifies a set of genes critical to the function and dysfunction of the striatal projection neuron circuit.

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