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Transcriptome analysis by RNA sequencing of human trisomy 21 and normal control blood cells

ABSTRACT: Transcriptome analysis by RNA sequencing of human trisomy 21 and normal control blood cells

PROVIDER: PRJNA635385 | ENA |

REPOSITORIES: ENA

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Transcriptome analysis by RNA sequencing of human trisomy 21 and normal control blood cells

Project description:The aim of this study is to analyse trisomy 21 (T21) transcriptome. We generated RNA sequencing (RNA-Seq) paired-end data from ribosomal RNA-depleted total RNA isolated from blood cell samples of four T21 and four normal control individuals.

2021-05-04 | GSE151282 | GEO

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

2005-05-10 | GSE1397 | GEO

Epigenome analysis of first trimester CVS samples from normal and Trisomy 13,18,21 pregnancies, and maternal whole blood samples.

Project description:Genome wide DNA methylation profiling of normal and trisomic placentas, and maternal blood cell DNA. The aim of this study was to search for methylation differences between maternal and fetal(placenta) cell free DNA, and between normal and trisomic placentas for an optimized methylation based noninvasive prenatal diagnosis of fetal chromosomal aberations. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in DNA samples from Chorionic villus samples(CVS) and DNA samples from whole blood. Samples included 12 Maternal blood cell samples from normal pregnancies, 12 normal CVS, 12 Trisomy 21 CVS, 12 trisomy 18 CVS and 6 trisomy 13 CVS samples.

2015-03-31 | GSE66210 | GEO

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

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.

2012-09-24 | GSE35561 | GEO

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.

2023-04-29 | GSE230995 | GEO

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.

2023-04-29 | GSE230994 | GEO

Epigenome analysis of first trimester CVS samples from normal and Trisomy 13,18,21 pregnancies, and maternal whole blood samples.

2015-03-31 | E-GEOD-66210 | biostudies-arrayexpress

Transcriptional Consequences of Trisomy 21 on Neural Induction

Project description:Down syndrome, caused by trisomy 21, is a complex developmental disorder associated with intellectual disability and reduced growth of multiple organs. Structural pathologies are present at birth, reflecting embryonic origins. A fundamental unanswered question is how an extra copy of human chromosome 21 contributes to organ-specific pathologies that characterize individuals with Down syndrome. Relevant to the hallmark intellectual disability in Down syndrome, how does trisomy 21 affect neural development? We tested the hypothesis that trisomy 21 exerts effects on human neural development as early as neural induction. Bulk RNA sequencing was performed on isogenic trisomy 21 and euploid human induced pluripotent stem cells (iPSCs) at successive stages of neural induction: embryoid bodies at Day 6, early neuroectoderm at Day 10, and differentiated neuroectoderm at Day 17. Gene expression analysis revealed over 1,300 differentially expressed genes in trisomy 21 cells along the differentiation pathway compared to euploid controls. Less than 5% of the gene expression changes included upregulated chromosome 21 encoded genes at every timepoint. Genes involved in specific growth factor signaling pathways (Wnt and Notch), metabolism (including interferon response and oxidative stress), and extracellular matrix were altered in trisomy 21 cells. Further analysis revealed heterochronic expression of genes. This comprehensive analysis reveals that trisomy 21 impacts discrete developmental pathways at the earliest stages of neural development. Further, the results suggest that metabolic dysfunction arises early in embryogenesis in trisomy 21 and may thus affect development and function more broadly.

2024-01-31 | GSE247990 | GEO

Gene expression variation increase in trisomy 21 tissues

Project description:Congenital development disorders with variable severity occur in trisomy 21. However, how these phenotypic abnormalities develop with variations remains elusive. We hypothesize that the difference in euploidy gene expression variation among trisomy 21 tissues are perturbed by the presence of an extra copy of chromosome 21 and this may contribute to the phenotypic variations in Down syndrome. Keywords: Disease state analysis

2008-03-18 | GSE10758 | GEO

Molecular Signatures of cardiac defects in Down syndrome lymphoblastoid cell lines (trisomy 21)

Project description:Molecular consequences of trisomy in lymphoblastoid cell lines from patients with Down syndrome. This project analyses differentially expressed genes between humans with trisomy 21 and humans without trisomy 21.

2012-08-15 | GSE34458 | GEO

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