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Genome-wide profiling of the cardiac transcriptome identifies novel heart specific long non-coding RNAs involved in pathogenesis of Arrhythmogenic Cardiomyopathy

ABSTRACT: Genome-wide profiling of the cardiac transcriptome identifies novel heart specific long non-coding RNAs involved in pathogenesis of Arrhythmogenic Cardiomyopathy

PROVIDER: PRJNA419173 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6308260_1.fastq.gz	Fastqsanger.gz
	SRR6308260_2.fastq.gz	Fastqsanger.gz
	SRR6308261_1.fastq.gz	Fastqsanger.gz
	SRR6308261_2.fastq.gz	Fastqsanger.gz
	SRR6308641_1.fastq.gz	Fastqsanger.gz

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Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy

Project description:Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy

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Unravelling Role of miRNA-mRNA Interactome in Pathophysiology of Arrhythmogenic Cardiomyopathy [mRNA-seq]

Project description:Arrhythmogenic cardiomyopathy is an inherited entity characterized by irregular cell-cell adhesion, cardiomyocyte death, fibro-fatty replacement of ventricular myocytes, leading to malignant ventricular arrythmias, contractile dysfunction and sudden cardiac death. Pathogenic variants in genes that encode desmosome are the predominant cause of arrhythmogenic cardiomyopathy. Moreover, signalling pathways such as Wnt/ß-catenin and transforming growth factor-β have been involved in the disease progression. However, still little is known about the molecular pathophysiological mechanisms that underlie arrhythmogenic cardiomyopathy pathogenesis. We used mRNA and small RNA sequencing to analyse the transcriptome of health and arrhythmogenic cardiomyopathy autopsied human hearts. Our results showed 697 differentially expressed genes, and eight differentially expressed miRNAs. Functional enrichment revealed mitochondrial respiratory-related pathways, impaired response to oxidative stress, apoptotic signalling pathway, inflammatory response-related and extracellular matrix response pathways. Furthermore, analysis of miRNA-mRNA interactome identified eleven negatively correlated miRNA-target pairs for arrhythmogenic cardiomyopathy. Our finding revealed novel arrhythmogenic cardiomyopathy-related miRNAs with important regulatory function in disease pathogenesis highlighting their value as potential key targets for therapeutic approaches.

2024-09-30 | GSE273295 | GEO

Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy [ARVC patients' heart RV]

Project description:Arrhythmogenic cardiomyopathy (AC) is an inherited cardiomyopathy characterized by fibrofatty replacement predominantly involved in right ventricle and clinically by ventricular arrhythmias.In this study, we set out to characterize the cardiac novel long-noncoding RNAs using deep RNA sequencing data from human heart tissues. Particularly, we identified AC specific novel lncRNAs that contribute to AC pathophysiology by comparing the lncRNAs transcripts of nine AC explanted hearts (RV), five non-diseased donor hearts (RV), four non-AC failing hearts (dilated cardiomyopathy, RV). To dissect the roles of novel lncRNAs in ARVC from LV, we also include six non-diseased donor hearts (LV) and six ARVC explanted hearts (LV) in the analysis. In the identified novel AC lncRNAs, a large part of them are derived from enhancer regions and acting as cis- elements to potentially regulate lipogenesis or lipid metabolism related genes. Finally, we validated several of these AC specific novel lncRNAs and their potential targets in independent patient samples. Collectively, we identified high-confidence AC specific novel lncRNAs from human samples and suggest their potential roles as cis- elements in AC pathology. Further study of these novel AC lncRNAs could provide new opportunities for diagnosis and therapeutic intervention.

2020-01-01 | GSE107475 | GEO

Genetic Activation and Suppression of the Canonical WNT Pathway in Cardiac Myocyte-Specific Dsp Deficient Mouse Model of Arrhythmogenic Cardiomyopathy

Project description:The cWNT pathway has been implicated in the pathogenesis of arrhythmogenic cardiomyopathy (ACM), including in cardiac dysfunction, apoptosis, and fibro-adipogenesis, the latter being the histological hallmark of ACM. The study was designed to determine effects of genetic activation or suppression of cWNT in a mouse model of arrhythmogenic cardiomyopathy. The data show that activation of the cWNT in ACM deleterious whereas it suppression is benefiial.

2022-02-02 | GSE180972 | GEO

Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy [ARVC patients' heart LV]

Project description:Arrhythmogenic cardiomyopathy (AC) is an inherited cardiomyopathy characterized by fibrofatty replacement predominantly involved in right ventricle and clinically by ventricular arrhythmias.In this study, we set out to characterize the cardiac novel long-noncoding RNAs using deep RNA sequencing data from human heart tissues. Particularly, we identified AC specific novel lncRNAs that contribute to AC pathophysiology by comparing the lncRNAs transcripts of nine AC explanted hearts (RV), five non-diseased donor hearts (RV), four non-AC failing hearts (dilated cardiomyopathy, RV). To dissect the roles of novel lncRNAs in ARVC from LV, we also include six non-diseased donor hearts (LV; GSE107125) and six ARVC explanted hearts (LV) in the analysis. In the identified novel AC lncRNAs, a large part of them are derived from enhancer regions and acting as cis- elements to potentially regulate lipogenesis or lipid metabolism related genes. Finally, we validated several of these AC specific novel lncRNAs and their potential targets in independent patient samples. Collectively, we identified high-confidence AC specific novel lncRNAs from human samples and suggest their potential roles as cis- elements in AC pathology. Further study of these novel AC lncRNAs could provide new opportunities for diagnosis and therapeutic intervention. Please note that the GSE107157 records represent the 'five non-diseased donor hearts (RV) and six non-diseased donor hearts (LV)' data.

2020-01-01 | GSE107311 | GEO

Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy [ARVC patients' heart LV]

Project description:Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy [ARVC patients' heart LV]

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Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy [ARVC patients' heart RV]

Project description:Novel heart specific long non-coding RNAs contribute to pathogenesis of Arrhythmogenic Cardiomyopathy [ARVC patients' heart RV]

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Identification of PITX2 as a novel factor in arrhythmogenic cardiomyopathy pathogenesis

Project description:Identification of PITX2 as a novel factor in arrhythmogenic cardiomyopathy pathogenesis

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The arrhythmogenic cardiomyopathy-specific coding and non-coding transcriptome in human cardiac stromal cells

Project description:Background: Arrhythmogenic cardiomyopathy (ACM) is a genetic autosomal disease characterized by abnormal cell-cell adhesion, cardiomyocyte death, progressive fibro-adipose replacement of the myocardium, arrhythmias and sudden death. Several different cell types contribute to the pathogenesis of ACM, including, as recently described, cardiac stromal cells (CStCs). In the present study, we aim to identify ACM-specific expression profiles of human CStCs derived from endomyocardial biopsies of ACM patients and healthy individuals employing TaqMan Low Density Arrays for miRNA expression profiling, and high throughput sequencing for gene expression quantification. Results: We identified 5 miRNAs and 272 genes as significantly differentially expressed. Both the differentially expressed genes as well as the target genes of the ACM-specific miRNAs were found to be enriched in cell adhesion related biological processes. Functional similarity and protein interaction based network analyses performed on the identified deregulated genes, miRNA targets and known ACM-causative genes revealed clusters of highly related genes involved in cell adhesion, extracellular matrix organization, lipid transport and ephrin receptor signaling. Conclusions: We determined for the first time the coding and non-coding transcriptome characteristic of ACM cardiac stromal cells, finding evidence for a potential contribution of miRNAs to ACM pathogenesis or phenotype maintenance. Besides known pathways, we identified also deregulation of genes encoding ephrin receptors and ephrins, thus suggesting a potential involvement of Eph-ephrin signaling in CStCs from ACM hearts.

2018-06-27 | GSE95120 | GEO

Identification of PITX2 as a novel factor in arrhythmogenic cardiomyopathy pathogenesis [KI]

Project description:Identification of PITX2 as a novel factor in arrhythmogenic cardiomyopathy pathogenesis [KI]

| PRJNA858791 | ENA