Transcriptomics

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Effect of fluoxetine treatment on translational profiles of S100a10 cortical pyramidal cells


ABSTRACT: Molecular phenotyping of cell types and neural circuits underlying pathological neuropsychiatric conditions and their responses to therapy provides one avenue for the development of more specific and effective treatments. In this study, we identify a cell population in the cerebral cortex that shows robust and specific molecular adaptations following long-term SSRI treatment. We employed the bacTRAP strategy, which uses BAC transgenic mice expressing EGFP-tagged ribosomal protein L10a in specific cell populations, to affinity purify polysome-bound mRNAs from S100a10-expressing corticostriatal projection neurons. We show that the S100a10 cells are a unique population of cortical cells that are strongly and specifically responsive to chronic SSRI administration and that this response requires p11 (the protein product of S100a10). Our data demonstrate that the beneficial actions of antidepressant therapy can be mediated by a single cell type that is positioned to normalize activity between cortical and subcortical sites, and suggest that development of drugs that specifically target the activity of these cells may result in improved therapies to treat depression.

ORGANISM(S): Mus musculus

PROVIDER: GSE35761 | GEO | 2012/06/01

SECONDARY ACCESSION(S): PRJNA155933

REPOSITORIES: GEO

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