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Analysis of miRNA expression in mouse heart after myocardial infarction

ABSTRACT: Analysis of miRNA expression in mouse heart after myocardial infarction

PROVIDER: PRJNA574917 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10202300.fastq.gz	Fastqsanger.gz
	SRR10202301.fastq.gz	Fastqsanger.gz
	SRR10202302.fastq.gz	Fastqsanger.gz
	SRR10202303.fastq.gz	Fastqsanger.gz
	SRR10202296.fastq.gz	Fastqsanger.gz

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miRNA expression data from human myocardial infarction hearts

Project description:Sexual dimorphisms are well recognized in various cardiac diseases, including myocardial infarction (MI). MI develops later in women, but once established, it contributes more persistent symptoms and higher mortality than in men. Although mRNA-level sexual dimorphism of MI have been reported, whether miRNA transcriptome also confers such dimorphism remains unknown. Comprehensive understanding of the mRNA- and miRNA-level genetic programs underlying the heart sexual dimorphisms will expectedly improve clinical outcome by facilitating the development of gender specific treatment strategies. Here, by conducting miRNA microarray analysis of human MI samples, we set out to characterize the heart sexual dimorphisms at the level of miRNA transcriptome Human tissue samples, acquired during post-mortem examination and frozen in liquid nitrogen, were provided by the department of pathology, Tokyo Metropolitan Geriatric Hospital after the approval from the ethical committee. Age- and sex-matched cohorts were selected to compare healthy hearts to those with post-MI LV remodeling. Border zone for myocardial infarction was sampled. Total RNA was extracted using Sepasol solution (Sepasol-RNA I super G, nakalai tesque, Japan), and microarray analysis was performed using Affymetrix GeneChipÂ® miRNA 3.0 Arrays

2016-01-07 | E-GEOD-76591 | biostudies-arrayexpress

RNA-sequencing data of mouse heart in myocardial infarction

Project description:RNA-sequencing data of mouse heart in myocardial infarction

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Effects of Post-Myocardial Infarction Heart Failure on the Bone Vascular Niche (Mouse Data)

Project description:We demonstrate an age-independent loss of type H bone endothelium in heart failure after myocardial infarction in both mice and in humans. Using single-cell RNA sequencing, we delineate the transcriptional heterogeneity of human bone marrow endothelium showing increased expression of inflammatory genes, including IL1B and MYC, in ischemic heart failure. Endothelial-specific overexpression of MYC was sufficient to induce type H bone endothelial cells, whereas inhibition of NLRP3-dependent IL-1 production partially prevents the post-myocardial infarction loss of type H vasculature in mice.

2021-05-13 | E-MTAB-10448 | biostudies-arrayexpress

microRNA profiling of myocardial infarction on a PI3K setting in mouse models

Project description:Cardiac hypertrophy can lead to heart failure, and is induced either by physiological stimuli eg postnatal development, chronic exrcise training or pathological stimuli eg pressure or volume overload. This data set looks at microRNA profiles in mouse models to examine whether phosphoinositide 3-kinase (p110 alpha isoform) activity is critical for the maintenance of cardiac function and long term survival in a seeting of heart failure (myocardial infarction). The significance and expected outcome are to recognise genes involved in models of heart failure and attempt to examine underlying regulator pathways involved in possible cardica maintenance in the PI3K mouse model. The matching mRNA gene expression profile (GSE7487) is examined to look for mRNA and microRNA interactions. miRNA expression correlates directly with cardiac function. PI3K regulon ameliorates cardiac stress. Keywords: microRNA profiling, regulatory pathway discovery, genotype comparison Ntg (non-transgenics), dnPI3K (cardiac-specific transgenic model with reduced PI3K activity) and caPI3K (transgenic mice with increased PI3K activity) mice at 3-4 months of age were used. Mice were then subjected to myocardial infarction (occlusion of the left anterior descending aorta) and sham (open heart surgery) for 8 weeks. Left ventricles were harvested. The resulting 6 experimental models were profiled accordingly. The assignment of the mouse models is as follows: caPI3K Sham, Ntg Sham, dnPI3K Sham, caPI3K MI (myocardial infarction), Ntg MI and dnPI3K MI with n = 4 in each group.

2010-05-06 | E-GEOD-14267 | biostudies-arrayexpress

Expression data from mouse heart three days after myocardial infarction

Project description:Expression data from mouse heart three days after myocardial infarction

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Examination of mouse heart cell expression changes after myocardial Infarction

Project description:Examination of mouse heart cell expression changes after myocardial Infarction

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miRNA expression data from human myocardial infarction hearts

2016-01-07 | GSE76591 | GEO

myocardial infarction in Reg3beta knock-out mice

Project description:Affymetrix microarray analysis of molecular changes after myocardial infarction. Samples of heart tissue were analyzed after myocardial infarction from WT and reg3beta knock-out mice. Samples from scar tissue and samples adjacent to the scar were analyzed. In the experiment we primarily compared infarction zone of wild-type to infarction zone of knock-out animals, and remote zone of wild-type to remote zone of knock-outs.

2015-06-29 | E-MTAB-2561 | biostudies-arrayexpress

Effects of Post-Myocardial Infarction Heart Failure on the Bone Vascular Niche (Human Data)

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2023-04-13 | GSE229147 | GEO

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