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Myocardial Infarction accelerates breast cancer progression via innate immune reprogramming (RNA-seq: sham vs LAD ligation)

ABSTRACT: Myocardial Infarction accelerates breast cancer progression via innate immune reprogramming (RNA-seq: sham vs LAD ligation)

PROVIDER: PRJNA622560 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11466100_1.fastq.gz	Fastqsanger.gz
	SRR11466100_2.fastq.gz	Fastqsanger.gz
	SRR11466101_1.fastq.gz	Fastqsanger.gz
	SRR11466101_2.fastq.gz	Fastqsanger.gz
	SRR11466102_1.fastq.gz	Fastqsanger.gz

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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

Myocardial Infarction accelerates breast cancer progression via innate immune reprogramming (RNA-seq: sham vs LAD ligation)

Project description:Breast cancer patients have increased risk of myocardial infarction (MI), but whether these events impact cancer pathogenesis is not known. In mouse models of breast cancer, MI increased circulating Ly6Chigh monocytes and their recruitment to tumors, accelerating cancer progression and metastasis. Analysis of the bone marrow reservoir revealed that MI epigenetically reprogrammed Ly6Chigh monocytes to an immunosuppressive phenotype that was maintained in monocytes in the circulation and tumor at the transcriptional level. Depletion of Ly6Chigh monocytes abrogated MI-induced cancer progression and increased activated cytotoxic T cells in the tumor. In early-stage breast cancer patients, post-diagnosis incident cardiovascular events, such as MI, increased the risk of recurrence and cancer-specific mortality, highlighting the clinical relevance of our findings. Collectively, our results indicate that MI induces cross-disease communication that accelerates breast cancer progression.

2020-06-11 | GSE147929 | GEO

RNA-sequencing of WT and P2Y4 KO pericardial adipose tissue (PAT) 24 hours after left anterior descending artery (LAD) ligation

Project description:We identified differentially regulated genes in the pericardial adipose tissue of wild type (WT) and P2Y4 KO mice, 24 hours after left anterior descending artery (LAD) ligation as a model of myocardial infarction (MI). Differentially regulated genes were involved in metabolism, brown fat cell differentiation, immune response and inflammation. P2Y4 KO mice displayed adipocyte beiging with increased PD-L1 expression and a higher number of regulatory leukocytes in their PAT 24 hours after LAD ligation. Up-regulated genes linked to adipocyte beiging included Ucp1, Cited1 and Prdm16.

2022-08-25 | GSE211768 | GEO

mRNA Expression data from murine hearts subjected to ligation of the left anterior descending coronary artery (myocardial infarction, MI model) or sham surgery (SH)

Project description:The left anterior descending coronary artery permanent ligation model of myocardial infarction was used to study the time of day differences in genetic responses post-MI between sleep-time MI, wake-time MI, wake-sham and sleep-sham mouse hearts. The micorarray approach allows the investigation of gene expression changes of all genes in sleep-time MI vs. wake-time MI vs. sham hearts.

2018-08-06 | GSE71906 | GEO

DCA-TGR5 signaling activation alleviates inflammatory response and improves cardiac function in myocardial infarction

Project description:The progression of myocardial infarction (MI) involves multiple metabolic disorders. Bile acid metabolites have been increasingly recognized as pleiotropic signalling molecules that regulate multiple cardiovascular functions. G protein-coupled bile acid receptor (TGR5) is one of the receptors sensing bile acids to mediate their biological functions. In this study, we aimed to elucidate the effects of bile acids-TGR5 signaling pathways in myocardial infarction (MI).Mice underwent either the LAD ligation model of MI or sham operation. Both MI and sham mice were gavaged with 10 mg/kg/d DCA or vehicle control since 3-day before the operation. Administration of DCA improved cardiac function at the 3th-day post-MI. The effects of DCA in the heart were determined by RNA-sequencing experiments.

2020-09-24 | GSE158415 | GEO

Rat LAD IR study

Project description:Rats underwent surgery for LAD ligation for 30 min followed by reperfusion. Heart ventricles were collected 2d or 7d after reperfusion. Keywords: rat heart ventricles, LAD - left anterior descending coronary artery, IR - ischemia-reperfusion

2006-03-24 | GSE4105 | GEO

Single cell RNA sequencing of left ventricular endothelial cells after sham or acute myocardial infarction surgery in C57BL/6N wild-type mice.

Project description:Endothelial cells were isolated from the infarct region (anteroapical wall distal to the coronary artery ligation site representing the infarct core and border zone) 3 days after sham or acute myocardial infarction (AMI) surgery. AMI was induced by 60 min coronary ligation followed by reperfusion. Endothelial cells were subjected to single cell RNA sequencing.

2022-06-20 | GSE198401 | GEO

Evaluating the effects of cardiac telomerase re-activation after myocardial infarction in adult mice

Project description:Coronary heart disease is a main cause of death in the developed world and treatment success remains modest with high mortality rates within one year after myocardial infarction (MI). Thus, new therapeutic targets and effective treatments are necessary. Short telomeres are risk factors for age-associated diseases including heart disease. Here, we address the potential of telomerase (Tert) activation in prevention of heart failure after MI in adult mice. We use adeno-associated viruses for cardiac-specific Tert expression in a mouse model of MI. We find that upon MI, hearts expressing Tert show attenuated cardiac dilation, improved ventricular function and smaller infarct scars concomitant with increased mouse survival by 17% compared to controls. Furthermore, Tert treatment results in elongated telomeres, increased numbers of Ki67 and pH3-positive cardiomyocytes and a gene expression switch towards a regeneration signature of neonatal mice. Our work highlights telomerase activation as a novel therapeutic strategy to prevent heart failure after MI. Mice of one year of age were left untreated (control) or injected with 5*10^11 adeno associated viruses particles of serotype 9 (AAV9) that carry either en empty expression cassette or express telomerase under control of the CMV promoter. Virus injected mice then underwent myocardial infarction induced through permenant left anterior descending artery (LAD) ligation. Mice that survived for six weeks after LAD ligation were sacrificed and 4 hearts per group (AAV9-empty or AAV9-Tert) and 3 control hearts (no virus treatment, no ligation) were subjected to total RNA isolation for micro array analysis.

2014-12-15 | E-GEOD-62973 | biostudies-arrayexpress

Single-cell RNA sequencing data from murine hearts after infarction with endothelial tracing

Project description:Data set contains samples from isolated cells of murine hearts after myocardial infarction (LAD surgery). We used an endothelial tracing system to mark endothelial cells with EGFP prior to infarct. In brief, Cdh5-ERT2+/-;mT/mG mice, which were used at an age of 10-12 weeks. Cre expression was induced by daily intraperitoneal injections of 2 mg tamoxifen for 1 week in all mice. One week after tamoxifen injection, left anterior descending coronary artery ligation surgery was performed, inducing myocardial infarction. We collected samples at homeostasis, days(d) 1, 3, 7, 14 and 28 after infarction and isolated the non-cardiomyocyte fraction for single cell sequencing. Murine scRNA-seq libraries were prepared using Chromium Single Cell 3′ v3 Reagent Kit (10X Genomics), according to manufacturer’s protocols. Raw reads were mapped against a customized version of mm10 (GRCm38.p4) containing sequences of EGFP and tdTomato.

2020-12-15 | E-MTAB-9816 | biostudies-arrayexpress

Mouse model of myocardial infarction

Project description:This dataset is a time series (1 hour [h], 4 hours, 24 hours, 48 hours, 1 week [w], and 8 weeks) intended to compare normal functioning left ventricles [lv + lv2] with infarcted [ilv] and non-infarcted left ventricles [nilv]. Ilv samples are taken from the region between the LAD artery and the apex on a mouse with myocardial infarction. Lv2 samples are from the same region in a sham operated mouse. Nilv samples are taken from the region above the infartion and the left ventricle [lv] samples mimic that region in a sham mouse. The lv and lv2 samples can be compared as both are from normal functioning hearts. For more information visit http://cardiogenomics.med.harvard.edu/groups/proj1/pages/mi_home.html Keywords: other

2003-10-24 | GSE775 | GEO

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