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Molecular and anatomical organization of the dorsal raphe nucleus

ABSTRACT: Molecular and anatomical organization of the dorsal raphe nucleus

PROVIDER: PRJNA554121 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9672150.fastq.gz	Fastqsanger.gz
	SRR9672160.fastq.gz	Fastqsanger.gz
	SRR9672151.fastq.gz	Fastqsanger.gz
	SRR9672161.fastq.gz	Fastqsanger.gz
	SRR9672152.fastq.gz	Fastqsanger.gz

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Molecular and anatomical organization of the dorsal raphe nucleus

Project description:The dorsal raphe nucleus (DRN) is an important source of neuromodulators and has been implicated in a wide variety of behavioral and neurological disorders. The DRN is subdivided into distinct anatomical subregions comprised of multiple cell types, and its complex cellular organization has impeded efforts to investigate the distinct circuit and behavioral functions of its subdomains. Here we used single-cell RNA sequencing, in situ hybridization, anatomical tracing, and spatial correlation analysis to map the transcriptional and spatial profiles of cells from the mouse DRN. Our analysis of 39,411 single-cell transcriptomes revealed at least 18 distinct neuron subtypes and 5 serotonergic neuron subtypes with distinct molecular and anatomical properties, including a serotonergic neuron subtype that preferentially innervates the basal ganglia. Our study lays out the molecular organization of distinct serotonergic and non-serotonergic subsystems, and will facilitate the design of strategies for further dissection the DRN and its diverse functions.

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Effect of Ovarian Hormone on Gene Expression in Rhesus Dorsal Raphe Nucleus with Human U95A Affymetrix Chip

Project description:Small blocks of the midbrain containing the dorsal raphe nucleus was obtained from ovariectomized monkeys treated with placebo, estrogen, progesterone or estrogen plus progesterone for one month. The RNA was extracted and hybridized to the human U95A Affymetrix chip. Each chip represents one monkey. N=3 monkeys per treatment.

2009-05-21 | E-GEOD-16171 | biostudies-arrayexpress

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Project description:A small block of the midbrain containing the dorsal raphe nucleus was obtained from ovariectomized monkeys treated with placebo, estrogen, progesterone or estrogen plus progesterone for one month. The RNA was extracted and hybridized to the Rhesus Affymetrix chip. The results were analyzed with GCOS 1.0 Each chip represents one monkey. N=3 monkeys per treatment.

2010-04-09 | E-GEOD-16172 | biostudies-arrayexpress

Molecular and anatomical organization of the dorsal raphe nucleus.

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Effect of Ovarian Hormone on Gene Expression in Rhesus Dorsal Raphe Nucleus with Human U95A Affymetrix Chip

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Molecular profiling of dorsal raphe nucleus Vgat and VGLUT3-expressing neurons

Project description:Hunger, driven by negative energy balance, elicits the search for and consumption of food. In mammals, this is orchestrated principally through the activity of neurons in the hypothalamus, direct manipulation of which can potently drive food intake. However, the neural circuits outside of the hypothalamus that control feeding are poorly understood. Here, we identify two functionally opponent cell types within the dorsal raphe nucleus (DRN), marked by the vesicular transporters for GABA (Vgat) or glutamate (VGLUT3), that project to many known feeding centers and rapidly control feeding. We find that DRNVgat neurons drive, while DRNVGLUT3 neurons suppress, food intake. Furthermore, through the development and application of cell type-specific molecular profiling technologies, we identify many differentially expressed transmembrane receptors, which may represent unique druggable targets. Local application of agonists for these receptors potently modulates feeding, recapitulating the effects of cell-specific manipulations. Together, these data establish a key role for the DRN in controlling food intake and add an important anatomic site that controls energy balance.

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mRNA profiles from dorsal raphe and amygdala of high-responder and low-responder rats

Project description:We identified 271 transcripts as differentially regulated in the dorsal raphe and/or the amygdala of high-responder and low-responder rats

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microRNA profiles from dorsal raphe and amygdala of high-responder and low-responder rats

Project description:We report 33 microRNAs are differentially expressed in the dorsal raphe and/or amygdala of rats selectively bred for high and low locomotor response to novelty (high responder and low responder rats)

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Single cell RNA-seq of mouse dorsal raphe Pet1 neurons

Project description:Single cell RNA-seq of mouse dorsal raphe Pet1 neurons

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