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RNA-sequencing of Shox2 knockout and wildtype mouse embryonic stem cell-derived sinoatrial node-like cardiomyocytes

ABSTRACT: RNA-sequencing of Shox2 knockout and wildtype mouse embryonic stem cell-derived sinoatrial node-like cardiomyocytes

PROVIDER: PRJNA694935 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13531990.fastq.gz	Fastqsanger.gz
	SRR13531991.fastq.gz	Fastqsanger.gz
	SRR13531992.fastq.gz	Fastqsanger.gz
	SRR13531993.fastq.gz	Fastqsanger.gz
	SRR13531994.fastq.gz	Fastqsanger.gz

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RNA-sequencing of Shox2 knockout and wildtype mouse embryonic stem cell-derived sinoatrial node-like cardiomyocytes

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Comparative iTRAQ analysis of proteomic expression in human sinoatrial node and working cardiomyocytes

Project description:The goal of this study was to assess the changes in protein expression in the human sinoatrial node (SAN) compared with working cardiomyocytes in order to identify specific SAN protein signatures. Four pair of samples (the SAN and working cardiomyocytes) were obtained post-mortem from four healthy human donors.

2018-03-05 | PXD004109 | Pride

Expression data from Shox2 knockout and wildtype right atria of E11.5 mouse hearts

Project description:The heartM-bM-^@M-^Ys rhythm is initiated and regulated by a group of specialized cells in the sinoatrial node (SAN), the primary pacemaker of the heart. Abnormalities in the development of the SAN can result in irregular heart rates (arrhythmias). Although several of the critical genes important for SAN formation have been identified, our understanding of the transcriptional network controlling SAN development remains at a relatively early stage. The homeodomain transcription factor Shox2 plays an essential early role in the specification and patterning of the SAN. Here, we compared gene expression levels in the right atria of wildtype and Shox2-/- hearts using microarray experiments to identify Shox2 target genes. Right atria of E11.5 mouse embryos were dissected and genotyped for RNA extraction. RNA from 6 embryos and 2 independent pregnancies was pooled per genotype (Wildtype and Shox2 Knockout) and compared.

2013-06-03 | E-GEOD-39924 | biostudies-arrayexpress

Expression data from Shox2 knockout and wildtype right atria of E11.5 mouse hearts

Project description:The heart’s rhythm is initiated and regulated by a group of specialized cells in the sinoatrial node (SAN), the primary pacemaker of the heart. Abnormalities in the development of the SAN can result in irregular heart rates (arrhythmias). Although several of the critical genes important for SAN formation have been identified, our understanding of the transcriptional network controlling SAN development remains at a relatively early stage. The homeodomain transcription factor Shox2 plays an essential early role in the specification and patterning of the SAN. Here, we compared gene expression levels in the right atria of wildtype and Shox2-/- hearts using microarray experiments to identify Shox2 target genes.

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Mouse sinoatrial node transcriptome

Project description:RNA Sequencing of Mouse Sinoatrial Node Reveals an Upstream Regulatory Role for Islet-1 in Cardiac Pacemaker Cells Rationale: Treatment of sinus node disease with regenerative or cell-based therapies will require a detailed understanding of gene regulatory networks in cardiac pacemaker cells (PCs). Objective: To characterize the transcriptome of PCs using RNA sequencing, and to identify transcriptional networks responsible for PC gene expression. Methods and Results: We used laser capture micro-dissection (LCM) on a sinus node reporter mouse line to isolate RNA from PCs for RNA sequencing (RNA-Seq). Differential expression and network analysis identified novel SAN-enriched genes, and predicted that the transcription factor Islet-1 (Isl1) is active in developing pacemaker cells. RNA-Seq on SAN tissue lacking Isl1 established that Isl1 is an important transcriptional regulator within the developing SAN. Conclusions: (1) The PC transcriptome diverges sharply from other cardiomyocytes; (2) Isl1 is a positive transcriptional regulator of the PC gene expression program. There are 25 RNA-Sequencing Samples

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Single-cell transcriptome analysis reveals CD34 as a marker of human sinoatrial node pacemaker cardiomyocytes [hPSC_SAN]

Project description:The sinoatrial node regulates the heart rate throughout life. Failure of this primary pacemaker results in life-threatening, slow heart rhythm. Despite its important function, the cellular and molecular composition of the human sinoatrial node is not resolved. Particularly, no cell surface marker to identify and isolate sinoatrial node pacemaker cells has been reported. Here we use single-nuclei/cell RNA sequencing of fetal and human pluripotent stem cell-derived sinoatrial node cells and show that they consist of three subtypes of pacemaker cells, including Core Pacemaker, Sinus Venosus, and Transitional Cells. Our study identifies a host of sinoatrial node pacemaker markers including MYH11, BMP4, and the cell surface antigen CD34. We demonstrate that sorting for CD34+ cells from stem cell differentiation cultures enriches for sinoatrial node cells with a functional pacemaker phenotype. This sinoatrial node pacemaker cell surface marker is highly valuable for stem cell-based disease modelling, drug discovery, cell replacement therapies, as well as the delivery of therapeutics to sinoatrial node cells in vivo using antibody-drug conjugates.

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Single-cell transcriptome analysis reveals CD34 as a marker of human sinoatrial node pacemaker cardiomyocytes [CITE-seq]

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Single-cell transcriptome analysis reveals CD34 as a marker of human sinoatrial node pacemaker cardiomyocytes [fetal SAN]

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