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Single cell RNAseq profiling of Tbx1 function in adult post myocardial infarction hearts [scRNA-seq]

ABSTRACT: Single cell RNAseq profiling of Tbx1 function in adult post myocardial infarction hearts [scRNA-seq]

PROVIDER: PRJNA563619 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10059500.fastq.gz	Fastqsanger.gz
	SRR10059501.fastq.gz	Fastqsanger.gz
	SRR10059502_1.fastq.gz	Fastqsanger.gz
	SRR10059502_2.fastq.gz	Fastqsanger.gz
	SRR10059503_1.fastq.gz	Fastqsanger.gz

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Transcription profiling of Tbx1 function in adult myocardial infarction hearts [bulk RNA-seq]

Project description:Post-myocardial infarction (Post-MI) heart failure is an unanswered clinical challenge. Current immunological intervention trials to reduce MI damage are unsatisfactory. Tbx1, the major 22q11.2 deletion syndrome (22q11.2DS) disease gene, reactivated in cardiac lymphatic endothelial cells (LECs) to promote post-MI repair. Endothelial deletion of Tbx1 deteriorated post-MI cardiac function. To identify the initial endothelial-derived gene expression changes that are responsible for lymphangiogenesis and cell non-autonomous functions towards immune cells after MI, we enriched CD31+ endothelial cells from 5 dpMI Ctrl and Tbx1cko hearts and performed RNA-seq. In conclusion, our findings revealed that Tbx1 can promote lymphangiogenesis and alleviate excessive cardiac inflammation in post MI hearts.

2023-08-28 | GSE137063 | GEO

Single cell RNAseq profiling of Tbx1 function in adult post myocardial infarction hearts [scRNA-seq]

Project description:Post-myocardial infarction (Post-MI) heart failure is an unanswered clinical challenge. Current immunological intervention trials to reduce MI damage are unsatisfactory. Thus a thorough understanding of post-MI immune response is imperative. Tbx1, the major 22q11.2 deletion syndrome (22q11.2DS) disease gene, reactivated in cardiac lymphatic endothelial cells (LECs) to promote post-MI repair. Endothelial deletion of Tbx1 deteriorated post-MI cardiac function through a dual approach, impaired lymphangiogenesis and weakened immunosuppression. To characterize cell autonous function of Tbx1 in endothelial population and cell non-autonous effect in immune cells, we set to performed scRNA-seq on Ctrl (Tbx1flox/flox) and Tbx1cko (Fabp4-Cre;Tbx1flox/flox) hearts. The dataset is comprised of total 55,106 single cells transcriptomes. We identified eight principal non-myocyte types with their known markers, including CD31-expressing vascular endothelial cell (VEC), LEC, pericyte, as well as CD45-expressing monocyte/macrophage, dendritic cell (DC), neutrophil, T/innate lymphoid cell (ILC), and B cell. Interestingly, we found that the relative percentage of monocyte/macrophage population, which is most abundant among all immune cells, was significantly decreased in Tbx1cko hearts, whereas T/ILC population was increased. Taken together, single cell transcriptomic analyses suggest a potential cell non-autonomous effect that Tbx1 deficiency in endothelium may cause imbalance in immune response.

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Transcription profiling of Tbx1 function in adult myocardial infarction hearts [bulk RNA-seq]

Project description:Transcription profiling of Tbx1 function in adult myocardial infarction hearts [bulk RNA-seq]

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microRNA data from mice hearts of 21 days post myocardial infarction versus sham control

Project description:microRNAs control cardiac remodeling post myocardial infarction, though the cellular and molecular mechanisms remain unclear. We used microarrays to examine microRNA profiles in mice hearts 21 days after ligation of left anterior descending coronary artery (LAD) versus sham control.

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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

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Targeting Immune-Fibroblast Crosstalk in Myocardial Infarction and Cardiac Fibrosis I

Project description:To define the cellular landscape of human myocardial infarction and heart failure, we performed Cellular Indexing of Transcriptomes and Epitomes by sequencing (CITE-seq) in 22 explanted human hearts from healthy donors, acute myocardial infarction (MI),and chronic ischemic and non-ischemic cardiomyopathy patients.

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