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Characterization of myocardial B cells in naïve hearts, acutely injured hearts and acutely injured hearts of mice treated with Pirfenidone

ABSTRACT: Characterization of myocardial B cells in naïve hearts, acutely injured hearts and acutely injured hearts of mice treated with Pirfenidone

PROVIDER: PRJNA449679 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6983700.fastq.gz	Fastqsanger.gz
	SRR6983710.fastq.gz	Fastqsanger.gz
	SRR6983720.fastq.gz	Fastqsanger.gz
	SRR6983730.fastq.gz	Fastqsanger.gz
	SRR6983701.fastq.gz	Fastqsanger.gz

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Characterization of myocardial B cells in naïve hearts, acutely injured hearts and acutely injured hearts of mice treated with Pirfenidone

Project description:Myocardial CD19+CD11b+ and CD19+CD11b- cells were FACS sorted from transgenic mice expressing the Diphtheria Toxin (DT) receptor under the myocardial specific MLC2v promoter. Cells were sorted from hearts of mice not exposed to DT (naïve hearts), from the hearts of animals treated with DT 4 days prior to the experiment (DTR) and from the hearts of mice exposed to DT and fed chow enriched with the anti-inflammatory/anti-fibrotic drug Pirfenidone (0.5% in powdered chow, PFD)

2018-12-25 | GSE112984 | GEO

Transcription profiling of injured mouse hearts from C57Bl/6 and MRL sampled at 3 time points to investigate the regenerative capacity of the mammalian heart

Project description:Previous studies have suggested that the heart may be capable of limited repair and regeneration in response to a focal injury while other studies indicate that the mammalian heart has no regenerative capacity. To further explore this issue, we performed a series of superficial and transmural myocardial injuries in C57BL/6 and MRL/MpJ adult mice. At defined time intervals following the respective injury (Days 3, 14, 30 and 60) we examined cardiac function using echocardiography, morphology, FACS cell sorting for BrdU positive cells and molecular signature using microarray analysis. We observed complete restoration of myocardial function in the superficial MRL cryoinjured heart and significantly less scar formation as compared to the injured hearts of C57BL/6 mice. Following a severe transmural myocardial injury, the MRL mouse has increased survival and decreased ventricular remodeling compared to the C57BL/6 mouse but without evidence of significant regeneration. The cytoprotective program observed in the severely injured MRL heart is in part due to increased vasculogenesis and decreased apoptosis that limits the extension of the injury. We conclude that C57BL/6 and MRL injured hearts have evidence of limited myocardial regeneration, in response to superficial injury, but the improved function and survival observed in the MRL mouse heart following severe injury is not due to significant regenerative processes. Mouse hearts from C57BL/6 and MRL/MpJ strains were injured with LAD ligation and harvested at 3, 30 and 60 days after treatement.

2007-11-23 | E-GEOD-4710 | biostudies-arrayexpress

Genome wide gene expression analysis of acutely injured primary mouse neurons

Project description:Genome wide gene expression analysis of acutely injured primary mouse neurons

| PRJNA436989 | ENA

Mesothelioma xenografts in nude mice: PBS treated versus pirfenidone treated

Project description:Background: Malignant mesothelioma is an aggressive cancer with poor prognosis. It is characterized by prominent extracellular matrix, mesenchymal tumor cell phenotypes and chemoresistance. In this study, the ability of pirfenidone to alter mesothelioma cell proliferation and migration as well as mesothelioma tumor microenvironment was evaluated. Pirfenidone is an anti-fibrotic drug used in the treatment of idiopathic pulmonary fibrosis and has also anti-proliferative activities. Aims: Transcriptional profiling using RNA sequencing of human mesothelioma xenograft tumors treated with PBS or pirfenidone. Aim was to compare extracellular matrix and fibrosis related genes. Results: Treatment of mice harboring mesothelioma xenografts with pirfenidone alone did not reduce tumor proliferation in vivo. However, pirfenidone modified the tumor microenvironment by reducing the expression of extracellular matrix associated genes. In addition, GREM1 expression was downregulated by pirfenidone in vivo. Conclusion: By reducing two major upregulated pathways in mesothelioma and by targeting tumor cells and the microenvironment pirfenidone may present a novel anti-fibrotic and anti-cancer adjuvant therapy for mesothelioma.

2018-12-14 | GSE113803 | GEO

miRNA analysis of neonatal mice hearts after myocardial infarction

Project description:miRNA analysis of neonatal mice hearts after myocardial infarction

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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-Seq of injured mouse hearts depleted for myofibroblast Yap [I]

Project description:RNA-Seq of injured mouse hearts depleted for myofibroblast Yap [I]

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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.

2017-02-12 | GSE74135 | GEO

Bulk RNA-seq dataset of uninjured vs injured larval zebrafish hearts at 48 hours post injury on 5 days post fertilisation

Project description:This experiment sought to understand the transcriptomic changes that occur in the larval zebrafish heart following injury. 600 hearts were laser injured at 3 days post fertilisation, extracted 48 hours later and pooled into three groups of 200. RNA was extracted from the whole heart(s) and sent for sequencing along with 3 groups of 200 uninjured hearts, extracted and processed identically. RNA sequencing, quality control and alignment was performed by the commercial company GENEWIZ.

2021-10-01 | E-MTAB-10860 | biostudies-arrayexpress

Determining the Injury-Associated Microbial Nutrients that Facilitate Secondary Bacterial Infection in Acutely Injured Lungs

Project description:Determining the Injury-Associated Microbial Nutrients that Facilitate Secondary Bacterial Infection in Acutely Injured Lungs

| PRJNA1167754 | ENA