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Trisomy 21 human iPSC derived interneuron progenitors

ABSTRACT: Trisomy 21 human iPSC derived interneuron progenitors

PROVIDER: PRJNA832126 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18920681_1.fastq.gz	Fastqsanger.gz
	SRR18920681_2.fastq.gz	Fastqsanger.gz
	SRR18920682_1.fastq.gz	Fastqsanger.gz
	SRR18920682_2.fastq.gz	Fastqsanger.gz
	SRR18920683_1.fastq.gz	Fastqsanger.gz

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Trisomy 21 human iPSC derived interneuron progenitors

Project description:Individuals with Down syndrome (DS, Ts21) have impaired neurogenesis during development. Using Ts21 human induced pluripotent stem cells (iPSCs) and isogenic controls, we carried out single cell RNA-sequencing of Ts21 interneuron progenitors .

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Transcriptome profiling of trisomy 21 and euploid iPSC-derived hematopoietic progenitors expressing wtGATA1 or an amino-truncated isoform of GATA1, GATA1short (GATA1s).

Project description:We generated human induced pluripotent stem cells (iPSCs) from trisomy 21 (T21) and euploid patient tissues with and without GATA1 mutations causing exclusive expression of truncated GATA1, termed GATA1short (GATA1s). Transcriptome analysis comparing expression levels of genes in GATA1s vs. wtGATA1-expressing progenitors demonstrated that GATA1s impairs erythropoiesis and enhances megakaryopoiesis and myelopoiesis in both T21 and euploid contexts in the iPSC-model system. We analyzed the transcriptome of (i) T21 iPSC-derived heamtopoietic progenitors expressing wtGATA1 (6 replicates) or GATA1s (3 replicates), as well as of (ii) euploid iPSC-derived progenitors expressing wtGATA1 (2 replicates) or GATA1s (2 replicates).

2015-01-26 | E-GEOD-36787 | biostudies-arrayexpress

Transcriptome profiling of trisomy 21 and euploid iPSC-derived hematopoietic progenitors expressing wtGATA1 or an amino-truncated isoform of GATA1, GATA1short (GATA1s).

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Project description:We modeled human Trisomy 21 primitive hematopoiesis using induced pluripotent stem cells (iPSCs). Primitive multipotent progenitor populations generated from Trisomy 21 iPSCs showed normal proliferative capacity and megakaryocyte production, enhanced erythropoiesis and reduced myeloid development compared to euploid iPSCs. CD41+/235+ iPSC-derived progenitor cells were flow cytometrically sorted for RNA extraction and hybridization onto Affymetrix microarrays.

2012-09-24 | E-GEOD-35561 | biostudies-arrayexpress

Altered patterning of trisomy 21 interneuron progenitors.

Project description:Individuals with Down syndrome (DS; Ts21), the most common genetic cause of intellectual disability, have smaller brains that reflect fewer neurons at pre- and post-natal stages, implicating impaired neurogenesis during development. Our stereological analysis of adult DS cortex indicates a reduction of calretinin-expressing interneurons. Using Ts21 human induced pluripotent stem cells (iPSCs) and isogenic controls, we find that Ts21 progenitors generate fewer COUP-TFII+ progenitors with reduced proliferation. Single-cell RNA sequencing of Ts21 progenitors confirms the altered specification of progenitor subpopulations and identifies reduced WNT signaling. Activation of WNT signaling partially restores the COUP-TFII+ progenitor population in Ts21, suggesting that altered WNT signaling contributes to the defective development of cortical interneurons in DS.

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Trisomy 21 and TS13

Project description:Gene expression was measured in trisomy 21 and trisomy 13 human fetal samples. For TS21, regions assayed were cerebrum, cerebellum, heart, and cerebrum-derived astrocyte cell lines. Keywords = trisomy 21 Keywords = Down syndrome Keywords = aneuploidy Keywords = brain Keywords = heart Keywords = trisomy 13 Keywords: other

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Expression data from trisomy 21 and euploid induced pluripotent stem cell hematopoietic progenitors

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Trisomy 21 and GRO-seq of family

Project description:GRO-seq of lymphoblastoid cells from a family of individuals (one of which has Trisomy 21) was used to determine the molecular origin of dosage compensation in Trisomy 21.

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Trisomy 21 and RNA-seq of family

Project description:RNA-seq of lymphoblastoid cells from a family of individuals (one of which has Trisomy 21) was used to determine the molecular origin of dosage compensation in Trisomy 21.

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