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Single-cell RNA sequencing of the rat carotid arteries uncovers mechanisms of in-stent restenosis

ABSTRACT: Single-cell RNA sequencing of the rat carotid arteries uncovers mechanisms of in-stent restenosis

PROVIDER: PRJNA728289 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14471074.fastq.gz	Fastqsanger.gz
	SRR14471075.fastq.gz	Fastqsanger.gz
	SRR14471076.fastq.gz	Fastqsanger.gz
	SRR14471077.fastq.gz	Fastqsanger.gz
	SRR14471078.fastq.gz	Fastqsanger.gz

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Single-cell RNA sequencing of the rat carotid arteries uncovers mechanisms of in-stent restenosis

Project description:Maps of heterogeneous cellular landscape in carotid artery were defined by single-cell RNA sequencing and revealed several cell types with their internal relations in the ISR model. This study highlights the crucial role of VSMC phenotype switching in the progression of ISR, and provides the clues of the underlying mechanism of ISR.

2021-12-29 | GSE174098 | GEO

Whole blood gene expression profiling for coronary in-stent restenosis: A Indian pilot case study.

Project description:Percutaneous coronary intervention (PCI) with stent placement is a standard treatment for coronary artery disease (CAD). Despite all medical advances, restenosis remains a challenging clinical problem. However, the molecular and biochemical pathways of restenotic process are not fully understood yet. Furthermore, as restenosis is assumed to be a multigenetic process and genetic predisposition is considered an important risk factor, analysis of the genome-wide gene expression is recommended for better insight of the phenomenon. We used microarray technology to monitor thousands of genes expression simultaneously. The whole genome expression will be analyzed with this technique to identify cluster of up-regulated and down-regulated genes which may be involved in this complex pathological condition. Coronary restenosis after percutaneous coronary intervention remains a challenging problem, despite all medical advances. Molecular and biochemical pathways of restenotic process are not fully understood yet. Furthermore, as restenosis is assumed to be a multigenetic process. We used microarray technology to monitor thousands of genes expression simultaneously in restenosis postive group with reference restenosis negative group, which will unravel potentially modifiable pathways, possible targets and biomarkers for coronary restenosis.

2014-04-30 | E-GEOD-46560 | biostudies-arrayexpress

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Balloon injury-induced gene expression in common carotid arteries of wistar rat

Project description:The whole rat genome microarray expression profiling of carotid artery specimen was emplyed to identify the gene expression profile before and after balloon injury. In our study, the neointimal formation of carotid arteries was apparent at day 7 and markedly increased at day 21 after balloon injury. In order to investigate the underlying mechanism of neointimal formationin in injured carotid arteries, all genes involved in signaling pathways whose expression was altered 2-fold in injured carotid arteries at day 7 and day 21 as compared to uninjured arteries were filtered out. Expression of four genes (TLR4, IRAK1, IκBα, IL-1β) from TLR signaling pathway was quantified in the same RNA samples by quantitative real-time PCR, conforming that TLR signaling pathway participated in neointimal formation of carotid arteries after balloon injury.

2013-06-29 | GSE48279 | GEO

Development of gene expression signatures for In-stent Restenosis

Project description:Development of gene expression signatures for In-stent Restenosis

| PRJNA755330 | ENA

Balloon injury-induced gene expression in common carotid arteries of wistar rat

Project description:The whole rat genome microarray expression profiling of carotid artery specimen was emplyed to identify the gene expression profile before and after balloon injury. In our study, the neointimal formation of carotid arteries was apparent at day 7 and markedly increased at day 21 after balloon injury. In order to investigate the underlying mechanism of neointimal formationin in injured carotid arteries, all genes involved in signaling pathways whose expression was altered 2-fold in injured carotid arteries at day 7 and day 21 as compared to uninjured arteries were filtered out. Expression of four genes (TLR4, IRAK1, IM-NM-:BM-NM-1, IL-1M-NM-2) from TLR signaling pathway was quantified in the same RNA samples by quantitative real-time PCR, conforming that TLR signaling pathway participated in neointimal formation of carotid arteries after balloon injury. Balloon injury-induced gene expression in wistar rat was measured at day 7 and day 21 after balloon injury as compared with uninjured arteries. Two independent experiments were performed at each time (uninjured, day 7 or day 21) using different wistar rats for each experiment.

2013-06-29 | E-GEOD-48279 | biostudies-arrayexpress

Inflammation and Extracellular Matrix Genes Differentially Expressed Following Overlapping Zotarolimus- and Sirolimus-Eluting Stent Implantation

2011-04-22 | GSE28781 | GEO

RNA sequencing of mouse carotid arteries after sacubitril/valsartan treatment

Project description:Purpose: To get insight into mouse strain-dependent differences in vascular remodeling, we analyzed gene expression profiles of the ligated carotid arteries after interventions in C57BL/6J and 129X1/SvJ mice Methods: mRNA isolations from snap-frozen single carotids (n=3 per group) were conducted. Tissue homogenization by Next Advance Bullet Blender with zirconium oxide beads and Trizol. Total RNA isolation using Trizol and Qiagen RNeasy Micro kit. Results: Multiple quality controls showed a reliable RNAseq of mRNAs from the ligated carotid arteries. Specifically, there was less than 2.6% drop in reads that ranged between 26.5 to 37.7 million reads. We found a good alignment and mapping to a mouse genome (82.4 - 91.0%) in this RNAseq study. A differential gene expression analysis was done by DESeq2-1.16.1 within R-3.4.1 for data normalization and differential expression analysis with an adjusted p-value threshold of 0.05 on each set of raw expression measures. Conclusions: Our study shows significant differences in gene expression signatures in carotid arteries from two inbred mouse strains after sacubitril/valsartan treatment. We conclude that genetic background determines efficacy of the sacubitril/valsartan in mice.

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Development of gene expression signatures for In-stent Restenosis

Project description:To further development of our gene expression approach to Restenosis, we have employed lncRNA microarray expression profiling.

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Inflammation and Extracellular Matrix Genes Differentially Expressed Following Overlapping Zotarolimus- and Sirolimus-Eluting Stent Implantation

Project description:An unanticipated complication of the use of bare metal stents in percutaneous transluminal coronary angioplasty is in-stent restenosis resulting in >50% late lumen diameter loss in treated patients. In an effort to reduce in-stent restenosis, drug eluting stents containing the immunosuppressant sirolimus or zotarolimus have recently been developed. We report here the molecular response of arterial tissue to the implanting of these drug-eluting stents. Gene expression profiling was performed on 4 artery segments surrounding bare metal stents (BMS), 4 artery segments surrounding sirolimus-eluting stents (SES), and 4 artery segments surrounding zotarolimus-eluting stents (ZES) implanted into porcine animal models for 28 days.

2011-04-22 | E-GEOD-28781 | biostudies-arrayexpress

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