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Single-nuclei RNA sequencing of the locus coeruleus and pericoerulear brain regions

GSE201998 Mus musculus Expression profiling by high throughput sequencing 4 samples Submitted 2025/01/31 Platform GPL21493
Summary
As the primary source of norepinephrine (NE) in the brain, the locus coeruleus (LC) regulates both arousal and stress responses, but how neuromodulatory inputs contribute to LC modulation remains incompletely understood. In this study, we isolated a network of transcriptionally diverse inhibitory pericoerulear (peri-LC) GABAergic neurons that integrate distant stimuli and modulate modes of LC firing. To define the peri-LC anatomy, we used viral tracing, single-nuclei and high-resolution spatial RNA transcriptomics to molecularly characterize both LC and peri-LC cell types. We complemented this approach with techniques in electrophysiology, photometry, optogenetics, and chemogenetics to probe the function of peri-LC neurons in behaving mice. These findings indicate that LC and peri-LC neurons comprise transcriptionally heterogenous neuronal groups which integrate diverse inputs to influence behavioral arousal states and avoidance. We used snRNAseq to characterize the peri-LC and LC brain regions. Our dataset contains 30,838 cells, of which 12,278 are neurons.
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Direct links to NCBI, no account and no request form: the whole study as GSE201998_RAW.tar, processed values as the series matrix, the supplementary file directory, and per-sample supplementary files for any of the 4 samples. Raw sequencing reads are also available from ENA.

Also filed as BioProject PRJNA834021 and SRA study SRP373105. Searching any of these in the dataset finder brings you back here.

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