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Single cell transcriptome analysis of developing arcuate nucleus neurons uncovers their key developmental regulators

ABSTRACT: Single cell transcriptome analysis of developing arcuate nucleus neurons uncovers their key developmental regulators

PROVIDER: PRJNA522054 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8571790.fastq.gz	Fastqsanger.gz
	SRR8571791.fastq.gz	Fastqsanger.gz
	SRR8571782.fastq.gz	Fastqsanger.gz
	SRR8571792.fastq.gz	Fastqsanger.gz
	SRR8571783.fastq.gz	Fastqsanger.gz

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Single cell transcriptome analysis of developing arcuate nucleus neurons uncovers their key developmental regulators

Project description:This report contains a scRNA-seq analysis of E15 hypothalamic arcuate nucleus (ARC), which uncovers many cell type-specific markers, including a group of transcription factors. This study newly demonstrate critical roles of two of these transcription factors in specifying the identity of ARC neurons. Many of these transcription factors are enriched in specific single cell transcriptomes while being excluded from other single cell transcriptomes, suggesting their crucial roles in cell fate determination.

2019-07-22 | GSE126480 | GEO

Single cell transcriptome analysis of developing arcuate nucleus neurons uncovers their key developmental regulators.

Project description:Despite the crucial physiological processes governed by neurons in the hypothalamic arcuate nucleus (ARC), such as growth, reproduction and energy homeostasis, the developmental pathways and regulators for ARC neurons remain understudied. Our single cell RNA-seq analyses of mouse embryonic ARC revealed many cell type-specific markers for developing ARC neurons. These markers include transcription factors whose expression is enriched in specific neuronal types and often depleted in other closely-related neuronal types, raising the possibility that these transcription factors play important roles in the fate commitment or differentiation of specific ARC neuronal types. We validated this idea with the two transcription factors, Foxp2 enriched for Ghrh-neurons and Sox14 enriched for Kisspeptin-neurons, using Foxp2- and Sox14-deficient mouse models. Taken together, our single cell transcriptome analyses for the developing ARC uncovered a panel of transcription factors that are likely to form a gene regulatory network to orchestrate fate specification and differentiation of ARC neurons.

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Transcriptomic response of the arcuate nucleus to oral corticosterone treatment

Project description:Glucocorticoids (GCs) are widely prescribed to treat inflammatory and autoimmune conditions. However, patients often develop adverse metabolic effects, including hyperphagia, obesity, and hyperglycemia.The arcuate nucleus has an established role in the central control of energy balance. In this study we examined the transcriptomic response of the arcuate nucleus to oral corticosterone treatment. Gene expression changes were measured after 2 days and 4 weeks of Cort treatment in ad libitum fed C57BL6/J mice.

2019-04-01 | GSE128148 | GEO

Transcript Profiling of Arcuate Nucleus in Response to Electroacupuncture on Rats

Project description:The electroacupuncture-induced analgesic effect has been used widely to alleviate diverse pains. However, significant individual variations in analgesic effect of EA for both experiments and clinics were reported. According to the sensitivity of the analgesic response to EA stimulation, the subjects could be categorized into high responders (HR) and non responders (NR). However, the molecular mechanism of individual variability in the analgesic response to acupuncture stimulation is still uncertain. This study aims to investigate the potential gene expression in arcuate nucleus induced by 2Hz/100Hz electroacupuncture in HR and NR rats. Rats were given 2Hz or 100Hz electroacupuncture for 30 min and using cDNA microarrays to compare different gene expression in arcuate nucleus. Rats were exposed to different frequencies (2Hz or 100Hz) electroacupuncture stimulation for 30 min and nociceptive testing and returned to home cages for 1 hour before sacrificed. According to the sensitivity of the analgesic response to 2Hz or 100Hz EA stimulation, the rats divided into four groups: 2Hz-HR group, 2Hz-NR group, 100Hz-HR group and 100Hz-NR group. Subsequently analyzed their dorsal horn transcript profile using cDNA microarrays, the rats were without receiving electroacupuncture as control. The tissue of arcuate nucleus (Arc) of three rats was selected for transcript analysis in each group. The three control rats were mixed and labeled with cy5, each rat of experiment groups was labeled with cy3.

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Single-nucleus transcriptome sequencing reveals a specific neuronal subtype in the arcuate nucleus.

Project description:Over recent decades, research has established the hypothalamus, particularly the arcuate nucleus, as a central hub for the homeostatic control of energy balance. The hypothalamic arcuate nucleus is a pivotal regulator of energy balance, containing anorexic proopiomelanocortin (POMC) neurons and orexigenic agouti-related peptide (AgRP) neurons, which exert opposing effects on energy homeostasis. However, the molecular identity of “non-AgRP, non-POMC” neurons remains unclear. We identified a distinct neuronal subtype characterized by the absence of Agrp and Pomc expressions, while exhibiting robust Crabp1 expression.

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Single-nucleus RNA-seq of mouse arcuate nucleus of the hypothalamus after DOCA-salt treatment

Project description:We compared the transcriptomic changes in cell populations of the arcuate nucleus of the hypothalamus in 21 day treated DOCA-salt male mice versus sham male mice using high-throughput single-nucleus RNA-seq.

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Sex-specific epigenetic development in the mouse hypothalamic arcuate nucleus pinpoints human genomic regions associated with body mass index

Project description:Developmental epigenetic study of DNA methylation in arcuate nucleus neurons and glia.

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Project description:We report RNA sequencing of single Agrp neurons isolated from the arcuate nucleus of the hypothalamus. Analyses of Agrp neuron transcriptomes reveals differential expression of receptors for multiple neuromodulators. Neuroanatomical mapping of known ligands of the receptors define subsets of neurons directly upstream of AgRP neurons in specific brain areas.

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