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

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

PROVIDER: PRJNA420232 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6321840_1.fastq.gz	Fastqsanger.gz
	SRR6321840_2.fastq.gz	Fastqsanger.gz
	SRR6329010_1.fastq.gz	Fastqsanger.gz
	SRR6329010_2.fastq.gz	Fastqsanger.gz
	SRR6321841_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

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

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]

| PRJNA420213 | ENA

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]

| PRJNA419747 | ENA

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

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

2025-07-24 | GSE273298 | GEO

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

2024-09-30 | GSE273295 | GEO

Identification of PITX2 as a novel factor in arrhythmogenic cardiomyopathy pathogenesis

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

| PRJNA858786 | ENA

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

Myocardial transcriptome analysis of human arrhythmogenic right ventricular cardiomyopathy (ARVC)

Project description:Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited cardiomyopathy primarily of the right ventricle characterized through fibrofatty replacement of cardiomyocytes. The genetic etiology in ARVC patients is most commonly caused by dominant inheritance and high genetic heterogeneity. Though histological examinations of ARVC affected human myocardium reveals fibrolipomatous replacement, the molecular mechanisms leading to loss of cardiomyocytes are largely unknown. We therefore analyzed the transcriptomes of 6 ARVC specimen derived from heart transplantation candidates and compared our findings to 6 non-failing donor hearts (NF) which could not be transplanted for technical reasons. In addition, we compared our findings to 7 hearts from patients with idiopathic dilated cardiomyopathy. From each heart left (LV) and right ventricular (RV) myocardial samples were analyzed by Affymetrix HG-U133 Plus 2.0 arrays, adding up to six sample groups. Unsupervised cluster analyses of the six sample groups revealed a clear separation of NF and cardiomyopathy samples. However, in contrast to the other samples, unsupervised cluster analyses revealed no distinct expression pattern in LV and RV samples from ARVC-hearts. We further identified differentially expressed transcripts using t-tests and found transcripts separating diseased and NF ventricular myocardium. Of note, in failing myocardium only about 15-16% of the genes are commonly regulated compared to NF samples. In addition both cardiomyopathies are clearly distinct on the transcriptome level. Comparison of the expression patterns between the failing RV and LV using a paired t-test revealed a lack of major differences between LV and RV gene expression in ARVC hearts. Microarrays were used to elucidate the differences between non-failing control hearts and those, suffering from arrhythmogenic right ventricular cardiomyopathy (ARVC).

2011-11-30 | E-GEOD-29819 | biostudies-arrayexpress

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

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