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Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation

ABSTRACT: Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation

PROVIDER: PRJNA971972 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24524168_1.fastq.gz	Fastqsanger.gz
	SRR24524168_2.fastq.gz	Fastqsanger.gz
	SRR24524169_1.fastq.gz	Fastqsanger.gz
	SRR24524169_2.fastq.gz	Fastqsanger.gz
	SRR24524170_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation

Project description:The ability of the pluripotent epiblast to contribute progeny to all three germ layers is thought to be lost after gastrulation. The later-forming neural crest (NC) rises from ectoderm and it remains poorly understood how its exceptionally high stem-cell potential to generate mesodermal- and endodermal-like cells is obtained. We monitored transcriptional changes from gastrulation to neurulation using single-cell-Multiplex-Spatial-Transcriptomics (scMST) complemented with RNA-sequencing. Unexpectedly, we find maintenance of undecided Nanog/Oct4-PouV/Klf4-positive pluripotent-like pan-ectodermal stem-cells spanning the entire ectoderm late in the neurulation process with ectodermal patterning completed only at the end of neurulation when pluripotency becomes restricted to NC, challenging our understanding of gastrulation. Furthermore, broad ectodermal pluripotency is found at all axial levels unrelated to the NC lineage the cells later commit to, suggesting a general role in stemness enhancement and proposing a mechanism by which the NC acquires its ability to form derivatives beyond “ectodermal-capacity” in chick and mouse embryos.

2023-08-28 | GSE232432 | GEO

Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation [bulk_RNASeq]

Project description:Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation [bulk_RNASeq]

| PRJNA913002 | ENA

Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation [scRNASeq]

Project description:Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation [scRNASeq]

| PRJNA913169 | ENA

Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation [bulk_RNASeq]

Project description:The ability of the pluripotent epiblast to contribute progeny to all three germ layers is thought to be lost after gastrulation. The later-forming neural crest (NC) rises from ectoderm and it remains poorly understood how its exceptionally high stem-cell potential to generate mesodermal- and endodermal-like cells is obtained. We monitored transcriptional changes from gastrulation to neurulation using single-cell-Multiplex-Spatial-Transcriptomics (scMST) complemented with RNA-sequencing. Here we show maintenance of pluripotency-signature (Nanog/Oct4-PouV/Klf4-positive) in undecided pan-ectodermal stem-cells spanning the entire ectoderm late during neurulation with ectodermal patterning completed only at the end of neurulation when the pluripotency-signature becomes restricted to NC, challenging our understanding of gastrulation. Furthermore, broad ectodermal pluripotency-signature is found at all axial levels unrelated to the NC lineage the cells later commit to, suggesting a general role in stemness enhancement and proposing a mechanism by which the NC acquires its ability to form derivatives beyond “ectodermal-capacity” in chick and mouse embryos.

2023-03-02 | GSE221125 | GEO

Maintenance of pluripotency signature in the entire ectoderm enables potential for neural crest formation [scRNASeq]

Project description:The ability of the pluripotent epiblast to contribute progeny to all three germ layers is thought to be lost after gastrulation. The later-forming neural crest (NC) rises from ectoderm and it remains poorly understood how its exceptionally high stem-cell potential to generate mesodermal- and endodermal-like cells is obtained. We monitored transcriptional changes from gastrulation to neurulation using single-cell-Multiplex-Spatial-Transcriptomics (scMST) complemented with RNA-sequencing. Here we show maintenance of pluripotency-signature (Nanog/Oct4-PouV/Klf4-positive) in undecided pan-ectodermal stem-cells spanning the entire ectoderm late during neurulation with ectodermal patterning completed only at the end of neurulation when the pluripotency-signature becomes restricted to NC, challenging our understanding of gastrulation. Furthermore, broad ectodermal pluripotency-signature is found at all axial levels unrelated to the NC lineage the cells later commit to, suggesting a general role in stemness enhancement and proposing a mechanism by which the NC acquires its ability to form derivatives beyond “ectodermal-capacity” in chick and mouse embryos.

2023-03-02 | GSE221188 | GEO

Maintenance of pluripotency in the entire ectoderm enables neural crest formation and challenges dogmatic viewpoints of gastrulation

Project description:Maintenance of pluripotency in the entire ectoderm enables neural crest formation and challenges dogmatic viewpoints of gastrulation

| PRJNA913168 | ENA

Maintenance of pluripotency-like signature in the entire ectoderm leads to neural crest stem cell potential.

Project description:The ability of the pluripotent epiblast to contribute progeny to all three germ layers is thought to be lost after gastrulation. The later-forming neural crest (NC) rises from ectoderm and it remains poorly understood how its exceptionally high stem-cell potential to generate mesodermal- and endodermal-like derivatives is obtained. Here, we monitor transcriptional changes from gastrulation to neurulation using single-cell-Multiplex-Spatial-Transcriptomics (scMST) complemented with RNA-sequencing. We show maintenance of pluripotency-like signature (Nanog, Oct4/PouV, Klf4-positive) in undecided pan-ectodermal stem-cells spanning the entire ectoderm late during neurulation with ectodermal patterning completed only at the end of neurulation when the pluripotency-like signature becomes restricted to NC, challenging our understanding of gastrulation. Furthermore, broad ectodermal pluripotency-like signature is found at multiple axial levels unrelated to the NC lineage the cells later commit to, suggesting a general role in stemness enhancement and proposing a mechanism by which the NC acquires its ability to form derivatives beyond "ectodermal-capacity" in chick and mouse embryos.

| S-EPMC10518019 | biostudies-literature

Maintenance of pluripotency in the entire ectoderm enables neural crest formation and challenges dogmatic viewpoints of gastrulation

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

2023-03-02 | GSE221190 | GEO

A Molecular Atlas of the Developing Ectoderm Defines Neural, Neural Crest, Placode and Non-Neural Progenitor Identity in Vertebrates.

Project description:During vertebrate neurulation, the embryonic ectoderm is patterned into lineage progenitors for neural plate, neural crest, placodes and epidermis. Here, we use Xenopus laevis embryos to analyze the spatial and temporal transcriptome of distinct ectodermal domains in the course of neurulation, during the establishment of cell lineages. In order to define the transcriptome of small groups of cells from a single germ layer, and to retain spatial information, dorsal and ventral ectoderm was subdivided along the anterior-posterior and medial-lateral axes by microdissections. Principal Component Analysis on the transcriptomes of these ectoderm fragments primarily identifies embryonic axes and temporal dynamics. This provides a genetic code to define positional information of any ectoderm sample along the anterior-posterior and dorsal-ventral axes, directly from its transcriptome. In parallel, we use Non-Negative Matrix Factorization to predict enhanced gene expression maps onto early and mid-neurula embryos, and specific signatures for each ectoderm area. The clustering of spatial and temporal datasets allowed detection of multiple biologically relevant groups (e.g. Wnt signaling, neural crest development, sensory placode specification, ciliogenesis, germ layer specification). We provide an interactive network interface, EctoMap, for exploring synexpression relationships among genes expressed in the neurula, and suggest several strategies to use this comprehensive dataset to address questions in developmental biology as well as stem cell or cancer research.

2017-10-25 | GSE103240 | GEO

Single cell gene expression of early E8.5 pioneer neural crest cells and paraxial mesoderm

Project description:Laser capture microdissection (LCM) was used to isolate cells from the principal critical micro-regions, whose development, differentiation and signaling interactions are responsible for the construction of the mammalian face. At E8.5, as migrating neural crest cells begin to exit the neural fold/epidermal ectoderm boundary, we examined the facial mesenchyme, composed of neural crest and paraxial mesoderm cells, as well as cells from adjacent neuroepithelium We performed single cell studies to better define the gene expression states of the early E8.5 pioneer neural crest cells and paraxial mesoderm, and present microarray data detailing expression patterns within these embryonic cell populations. Mouse emrbyos were harvested at developmental stage E8.5 and single cells were captured from the neuroepithilium, neural crest, and paraxial mesoderm. RNA was extracted, labelled, and quantified using the Mouse ST-l microarray.

2014-03-18 | E-GEOD-55964 | biostudies-arrayexpress

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