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Genome-wide analysis of RNA binding proteins co-expression with alternative splicing events in mitral valve prolapse

ABSTRACT: Genome-wide analysis of RNA binding proteins co-expression with alternative splicing events in mitral valve prolapse

PROVIDER: PRJNA955812 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24175973_1.fastq.gz	Fastqsanger.gz
	SRR24175973_2.fastq.gz	Fastqsanger.gz
	SRR24175974_1.fastq.gz	Fastqsanger.gz
	SRR24175974_2.fastq.gz	Fastqsanger.gz
	SRR24175975_1.fastq.gz	Fastqsanger.gz

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Genome-wide analysis of RNA binding proteins co-expression with alternative splicing events in mitral valve prolapse

Project description:For RNA extraction, we obtained peripheral blood mononuclear cells (PBMCs) from 5 patients with mitral valve prolapse (MVP), with or without chordae tendineae rupture, and 5 healthy individuals. High-throughput sequencing was used for RNA-sequencing.

2023-04-18 | GSE229778 | GEO

Mitral Valve Tissue Shotgun Proteomics

Project description:In this study, we carried out a large-scale proteome profiling of human mitral valve tissues resected from patients with mitral valve prolapse.

2015-05-07 | PXD000774 | Pride

Mitral valve interstitial Tissue: Myxomatous P2 prolapse of the mitral valve vs. Control

Project description:Mitral valve interstitial Tissue: Myxomatous P2 prolapse of the mitral valve vs. Control

| PRJNA431911 | ENA

Genomic expression patterns of mitral valve tissues from dogs with degenerative mitral valve disease

Project description:Evaluation of global expression patterns provides a molecular portrait of mitral valve disease, yields insight into the pathophysiologic aspects of DMVD, and identifies intriguing genes and pathways for further study. (Am J Vet Res 2006;67:1307–1318) Keywords: control vs diseased 4 controls( beagle crosses) and 4 affected (1 Daschund, 1 Lhasa apso, 2 miniature poodles)

2008-05-15 | E-GEOD-11460 | biostudies-arrayexpress

Genomic expression patterns of mitral valve tissues from dogs with degenerative mitral valve disease

2008-05-15 | GSE11460 | GEO

Normal human mitral valve proteome: a preliminary investigation by gel-based and gel-free proteomic approaches

Project description:The mitral valve is a highly complex structure which regulates blood flow from the left atrium to the left ventricle (LV) avoiding a significant forward gradient during diastole or regurgitation during systole. The integrity of the mitral valve is also essential for the maintenance of normal LV size, geometry, and function. Significant advances in the comprehension of the biological, functional, and mechanical behavior of the mitral valve have recently been made. However, current knowledge of protein components in the normal human mitral valve is still limited and complicated by the low cellularity of this tissue and the presence of high abundant proteins from the extracellular matrix. We employed here an integrated proteomic approach to analyse the protein composition of the normal human mitral valve and reported confident identification of 422 proteins, some of which have not been previously described in this tissue. In particular, we described the ability of pre-MS separation technique based on liquid-phase IEF and SDS-PAGE to identify the largest number of proteins. These initial results provide a valuable basis for future studies aimed at analysing in depth the mitral valve protein composition and at investigating potential pathogenetic molecular mechanisms.

2016-08-18 | PXD004397 | Pride

Mitral valve transcriptome analysis in thirty-four age-matched Cavalier King Charles Spaniels with or without congestive heart failure caused by myxomatous mitral valve disease

Project description:We here report the results of a mitral valve transcriptome study designed to identify genes and molecular pathways involved in development of congestive heart failure (CHF) following myxomatous mitral valve disease (MMVD) in dogs. The study is focused on a cohort of elderly age-matched dogs (n=34, age ~10 years) from a single breed – Cavalier King Charles Spaniels (CKCS) – with a high incidence of MMVD. The cohort comprises 19 dogs (10♀, 9♂) without MMVD-associated CHF, and 15 dogs (6♀, 9♂) with CHF caused by MMVD. I.e. we compare gene expression in breed and age matched groups of dogs, which only differ with respect to CHF status. We identify 56 genes, which are differentially expressed between the two groups. In this list of genes, we confirm an enrichment of genes related to the TNFβ signaling pathway, extracellular matrix organization, vascular development, and endothelium damage, which also have been identified in previous studies. However, the genes with the greatest difference in expression between the two groups are CNTN3 and MYH1. Both genes encode proteins, which are predicted to have an effect on the contractile activity of myocardial cells, which in turn may have an effect on valvular performance and hemodynamics across the mitral valve. This may result in shear forces with impact on MMVD progression.

2023-11-10 | GSE217750 | GEO

Understanding the cell fate and behavior of progenitors at the origin of the mouse cardiac mitral valve

Project description:Congenital heart malformations include mitral valve defects, which remain largely unexplained. During embryogenesis, a restricted population of endocardial cells within the atrioventricular canal undergoes an endothelial-to-mesenchymal transition to give rise to mitral valvular cells. However, the identity and fate decisions of these progenitors as well as the behavior and distribution of their derivatives in valve leaflets remain unknown. We used single-cell RNA sequencing (scRNA-seq) of genetically labeled endocardial cells and microdissected mouse embryonic and postnatal mitral valves to characterize the developmental road. We defined the metabolic processes underlying the specification of the progenitors and their contributions to subtypes of valvular cells. Using retrospective multicolor clonal analysis, we describe specific modes of growth and behavior of endocardial cell-derived clones, which build up, in a proper manner, functional valve leaflets. Our data identify how both genetic and metabolic mechanisms specifically drive the fate of a subset of endocardial cells toward their distinct clonal contribution to the formation of the valve.

2023-12-02 | GSE230849 | GEO

The gene expression profiles associated with worsening left ventricle function after mitral valve repair

Project description:Background:To assess left ventricular (LV) transcriptome determinants of worsening LV function after mitral valve (MV) repair. Results:Upregulated protein ubiquitination-related genes associated with worsening-LVF after MV repair may likely exert its adverse effect in left ventricle through increased apoptosis and contractile protein degradation.

2020-08-12 | GSE150661 | GEO

Genome-wide analysis of RNA-binding proteins co-expression with alternative splicing events in mitral valve prolapse.

Project description:ObjectivesWe investigated the role and molecular mechanisms of RNA-binding proteins (RBPs) and their regulated alternative splicing events (RASEs) in the pathogenesis of mitral valve prolapse (MVP).MethodsFor RNA extraction, we obtained peripheral blood mononuclear cells (PBMCs) from five patients with MVP, with or without chordae tendineae rupture, and five healthy individuals. High-throughput sequencing was used for RNA sequencing (RNA-seq). Differentially expressed genes (DEGs) analysis, alternative splicing (AS) analysis, functional enrichment analysis, co-expression of RBPs, and alternative splicing events (ASEs) analysis were conducted.ResultsThe MVP patients exhibited 306 up-regulated genes and 198 down-regulated genes. All down- and up-regulated genes were enriched in both Gene Ontology (GO) terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. Furthermore, MVP was closely associated with the top 10 enriched terms and pathways. In MVP patients, 2,288 RASEs were found to be significantly different, and four suitable RASEs (CARD11 A3ss, RBM5 ES, NCF1 A5SS, and DAXX A3ss) were tested. We identified 13 RNA-binding proteins (RBPs) from the DEGs and screened out four RBPs (ZFP36, HSPA1A, TRIM21, and P2RX7). We selected four RASEs based on the co-expression analyses of RBPs and RASEs, including exon skipping (ES) of DEDD2, alternative 3' splice site (A3SS) of ETV6, mutually exclusive 3'UTRs (3pMXE) of TNFAIP8L2, and A3SS of HLA-B. Furthermore, the selected four RBPs and four RASEs were validated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and showed high consistency with RNA sequencing (RNA-seq).ConclusionDysregulated RBPs and their associated RASEs may play regulatory roles in MVP development and may therefore be used as therapeutic targets in the future.

| S-EPMC10171460 | biostudies-literature

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