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Regulating lineage progression of cortical neural stem cells by extrinsic signaling molecule SHH [bulk RNA-seq]

ABSTRACT: Regulating lineage progression of cortical neural stem cells by extrinsic signaling molecule SHH [bulk RNA-seq]

PROVIDER: PRJNA577670 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10280162_1.fastq.gz	Fastqsanger.gz
	SRR10280162_2.fastq.gz	Fastqsanger.gz
	SRR10280163_1.fastq.gz	Fastqsanger.gz
	SRR10280163_2.fastq.gz	Fastqsanger.gz
	SRR10280164_1.fastq.gz	Fastqsanger.gz

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Regulating lineage progression of cortical neural stem cells by extrinsic signaling molecule SHH [single-cell RNA-seq]

Project description:Regulating lineage progression of cortical neural stem cells by extrinsic signaling molecule SHH [single-cell RNA-seq]

| PRJNA591016 | ENA

Regulating lineage progression of cortical neural stem cells by extrinsic signaling molecule SHH [single-cell RNA-seq]

Project description:Purpose:To asses changes in gene expression profiles of single cell from the E16.5 wild type littermate controls cortex, and ShhN IUE (ShhN palsmid were electroporated to wild type mice cortex at E13.5 and the cortex were dissected at E16.5) mice. Methords: E16.5 wild type and ShhN-IUE cortices were carefully dissected under a fluorescent stereoscope, and incubated in 4 ml of papain solution for 20 min at 37℃, The cortical tissues were gently triturated, filtered through a 40 mm strainer, and washed with HBSS to obtain the single cell suspension. The Chromium droplet-based sequencing platform (10X Genomics) was used to generate scRNA-seq libraries, following the manufacturer’s instructions. The cDNA libraries were purified, quantified using Agilent 2100 Bioanalyzer, and sequenced on the Illumina Hiseq4000 Results: 7834 cells (2368 median genes per cell) captured for the Control cortex. And 8538 cells with 2422 median genes per cell captured for Shh-IUE mice.

2020-02-19 | GSE140816 | GEO

Cortical Neural Stem Cell Lineage Progression Is Regulated by Extrinsic Signaling Molecule Sonic Hedgehog

Project description:Cortical Neural Stem Cell Lineage Progression Is Regulated by Extrinsic Signaling Molecule Sonic Hedgehog

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Regulating lineage progression of cortical neural stem cells by extrinsic signaling molecule SHH [bulk RNA-seq]

Project description:Purpose:To asses changes in gene expression profiles from the P0 wild type littermate controls cortex, hGFAP-Cre, SmoM2f/+ mice cortex and ShhN IUE (ShhN palsmid were electroporated to wild type mice cortex at E13.5 and the cortex were dissected at P0) mice. Methords:Total RNA was isolated and sequenced using an illumina high-seq 2500. Raw data was analyzed using TopHat. Genes were considered significantly changed whicn perform fold-change>=2 and P value <= 0.05 Results: Compared to controls, 2466 genes were significantly down-regulated, and 5289 genes were up regulated in the RNA expression level of the SmoM2 mice; 3492 genes were significantly down-regulated, and 3577 genes were up regulated in the RNA expression level of the cortex of ShhN IUE mice.

2020-02-19 | GSE138878 | GEO

NOTCH, ERK and SHH signaling respectively control the fate determination of cortical astrocytes, oligodendrocytes, and olfactory bulb interneurons

Project description:During cortical development, radial glial cells, known as neural stem cells, initially generate a large number of cortical glutamatergic pyramidal neurons through a process called neurogenesis. This is followed by the generation of a diversity of cortical astrocytes, oligodendrocytes, and olfactory bulb interneurons, known as gliogenesis. However, the molecular mechanisms underlying the switch from cortical neurogenesis to gliogenesis, and the subsequent fate determination of cortical astrocytes, oligodendrocytes, and olfactory bulb interneurons, remain unclear. Here, we report that extracellular signal-regulated kinase (ERK) signaling plays a fundamental role in promoting cortical gliogenesis and the generation of cortical glial progenitors. Additionally, SHH-SMO-GLI activator signaling has an auxiliary function to ERK during these processes. We further demonstrate that NOTCH signaling is absolutely required for the fate determination of astrocytes, while ERK signaling plays a prominent role in oligodendrocyte fate specification, and SHH signaling is crucial for the fate determination of olfactory bulb interneurons from cortical progenitors. We provide evidence suggesting that this mechanism is conserved in both mice and humans. Finally, we propose a unifying principle of mammalian cortical gliogenesis.

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NOTCH, ERK and SHH signaling respectively control the fate determination of cortical astrocytes, oligodendrocytes, and olfactory bulb interneurons [CUT&Tag]

2024-08-21 | GSE275004 | GEO

Cortical Neural Stem Cell Lineage Progression Is Regulated by Extrinsic Signaling Molecule Sonic Hedgehog.

Project description:Neural stem cells (NSCs) in the prenatal neocortex progressively generate different subtypes of glutamatergic projection neurons. Following that, NSCs have a major switch in their progenitor properties and produce ?-aminobutyric acid (GABAergic) interneurons for the olfactory bulb (OB), cortical oligodendrocytes, and astrocytes. Herein, we provide evidence for the molecular mechanism that underlies this switch in the state of neocortical NSCs. We show that, at around E16.5, mouse neocortical NSCs start to generate GSX2-expressing (GSX2+) intermediate progenitor cells (IPCs). In vivo lineage-tracing study revealed that GSX2+ IPC population gives rise not only to OB interneurons but also to cortical oligodendrocytes and astrocytes, suggesting that they are a tri-potential population. We demonstrated that Sonic hedgehog signaling is both necessary and sufficient for the generation of GSX2+ IPCs by reducing GLI3R protein levels. Using single-cell RNA sequencing, we identify the transcriptional profile of GSX2+ IPCs and the process of the lineage switch of cortical NSCs.

| S-EPMC7197103 | biostudies-literature

mRNA-seq of neuronal compartments in shRNA-mediated + small-molecule knockdown of Mettl3 in mouse primary cortical neurons (mPCN)

Project description:To study the effect of m6A modifications on subcellular mRNA localization we depleted m6A writer Mettl3 with shRNA and small molecule from mouse primary cortical neurons (mPCN) and sequenced neuritic and somatic compartments in parallel with scrambled shRNA control.

2023-07-12 | E-MTAB-11570 | biostudies-arrayexpress

Cortical Neural Stem Cell Lineage Progression Is Regulated by Extrinsic Signaling Molecule Sonic Hedgehog

Project description:This SuperSeries is composed of the SubSeries listed below.

2020-02-19 | GSE140817 | GEO

ERK signaling expands mammalian cortical radial glial cells and extends the neurogenic period

Project description:The molecular basis for cortical expansion during evolution remains largely unknown. Here, we report that fibroblast growth factor (FGF)-extracellular signal-regulated kinase (ERK) signaling promotes the self-renewal and expansion of cortical radial glial (RG) cells. Furthermore, FGF-ERK signaling induces bone morphogenic protein 7 (Bmp7) expression in cortical RG cells, which increases the length of the neurogenic period. We demonstrate that ERK signaling and Sonic Hedgehog (SHH) signaling mutually inhibit each other in cortical RG cells. We provide evidence that ERK signaling is elevated in cortical RG cells during development and evolution. We propose that the expansion of the mammalian cortex, notably in human, is driven by the ERK-BMP7-GLI3R signaling pathway in cortical RG cells, which participates in a positive feedback loop through antagonizing SHH signaling. We also propose that the relatively short cortical neurogenic period in mice is partly due to mouse cortical RG cells receiving higher SHH signaling that antagonizes ERK signaling.

2023-08-09 | GSE240381 | GEO

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