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Extracellular Vesicle contents of mouse trophoblast cells and their predicted influence on fetal brain development

ABSTRACT: Current work characterizes mRNA expression derived from mouse neural cortical stem cells incubated with and without EVs derived from either mouse parietal trophoblast giant cells or mouse trophoblast stem cells

ORGANISM(S): Mus musculus

PROVIDER: GSE230783 | GEO | 2024/08/28

REPOSITORIES: GEO

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Extracellular vesicle contents of mouse trophoblast cells and their predicted influence on fetal brain development

Project description:Current work characterizes small RNA within EVs derived from culture media of undifferentiated mouse trophoblast stem cells (mTSC), and mTSC differentiated into pTGCs

2024-08-28 | GSE222855 | GEO

Trophoblast giant cell underrepresentation (sequencing)

Project description:We characterized the mouse trophoblast giant cell epigenome and gene expression profiles. We then compared these data to our data on underrepresentation in the polyploid trophoblast giant cells. We profiled 5 histone modifications (+ chromatin input) using ChIP-Seq, and digital expression profiles (3' RNA-Seq) for trophoblast giant cells derived from mouse. Furthermore, we profiled digital expression profiles (3' RNA-Seq) for in vivo trophoblast giant cells samples from e9.5 wildtype mouse trophoblast giant cells. We found that underrepresented domains in trophoblast giant cells are enriched for repressive marks and anti-correlate with active marks and transcription.

2014-05-29 | E-GEOD-50561 | biostudies-arrayexpress

Extracellular vesicle contents of mouse trophoblast cells and their predicted influence on fetal brain development

Project description:Extracellular vesicle contents of mouse trophoblast cells and their predicted influence on fetal brain development

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Extracellular Vesicle contents of mouse trophoblast cells and their predicted influence on fetal brain development

Project description:Extracellular Vesicle contents of mouse trophoblast cells and their predicted influence on fetal brain development

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Trophoblast giant cell underrepresentation (sequencing)

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Trophoblast giant cell underrepresentation (CGH)

Project description:We characterized regions of underrepresentation that are specific to mouse polyploid trophoblast giant cells. We performed array Comparative Genomics Hybridization (aCGH) to examine copy number variation (CNV) in mouse polyploid trophoblast giant cells (TGCs). We performed the following experiments in duplicates to examine CNV during various stages of in vivo and in vitro TGC development: e9.5 TGCs vs. embryonic controls, e11.5 TGCs vs. embryonic controls, e13.5 TGCs vs. embryonic controls, e16.5 TGCs vs. embryonic controls, as well as TGCs cultured 3, 5 and 7 days vs. 2N trophoblast stem cells. We also performed the following controls to show that underrepresentation is only found in polypoid trophoblast giant cells and not in either 2N placental cell types nor in other types of polyploid cells: 2N placenta disk vs. embryonic controls, 2N trophoblast stem cells vs. embryonic stem cells, and polyploid Megakaryocytes vs. embryonic controls. When possible, we performed arrays with the test and control samples of opposite sex (F-female, M-male), as an internal control for the array.

2014-05-29 | E-GEOD-50543 | biostudies-arrayexpress

Molecular function of Prdm1/Blimp1 in trophoblast giant cell differentiation.

2016-03-14 | GSE74409 | GEO

Trophoblast giant cell underrepresentation (CGH)

Project description:We characterized regions of underrepresentation that are specific to mouse polyploid trophoblast giant cells.

2014-05-29 | GSE50543 | GEO

Molecular function of Prdm1/Blimp1 in trophoblast giant cell differentiation.

Project description:Expression profiling of wild-type and Prdm1 null mouse trophoblast giant cell cultures using Illumina whole genome mouse V2 arrays. The hypothesis tested was that Prdm1/Blimp1 regulates expression of genes required for spiral artery trophoblast giant cell function. Prdm1 null and littermate control wild-type trophoblast stem cell clones were generated from blastocyst outgrowths. Total RNA was obtained from multiple replicates of four wild-type TS cell clones and four Prdm1 null TS cell clones differenitated for zero, two, four and six days by growth factor withdrawal and hybridized to Illumina WG6_V2 arrays

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A Single Trophoblast Layer Acts as the Gatekeeper at the Endothelial-Hematopoietic Crossroad in the Placenta

Project description:During embryonic development the placental vasculature acts as a major hematopoietic niche, where endolthelial to hematopoietic transition ensures emergence of hematopoietic stem cells (HSCs). However, the molecular mechanisms that regulate the placental hematoendothelial niche are poorly understood. Using a parietal trophoblast giant cell (TGC)-specific knockout mouse model and single-cell RNA-sequencing, we show that the paracrine factors secreted by this single layer of TGCs are critical in the development of this niche. Disruptions in the TGC specific paracrine signaling leads to the loss of HSC population and the concomitant expansion of a KDR+/DLL4+/PROM1+ hematoendothelial cell-population in the placenta. Combining single-cell transcriptomics and receptor-ligand pair analyses, we also define the parietal TGC-dependent paracrine signaling network and identify Integrin signaling as a fundamental regulator of this process. Our study elucidates novel mechanisms by which non autonomous signaling from the primary parietal TGCs maintains the delicate placental hematopoietic-angiogenic balance and ensures embryonic and extraembryonic development.

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