Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA128749 | ENA |
REPOSITORIES: ENA
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Project description:The purpose of this project was to elucidate gene expression in the peripheral whole blood of acute ischemic stroke patients to identify a panel of genes for the diagnosis of acute ischemic stroke. Peripheral blood samples were collected in Paxgene Blood RNA tubes from stroke patients who were >18 years of age with MRI diagnosed ischemic stroke and controls who were non-stroke neurologically healthy. The results suggest a panel of genes can be used to diagnose ischemic stroke, and provide information about the biological pathways involved in the response to acute ischemic stroke in humans. Total RNA extracted from whole blood in n=39 ischemic stroke patients compared to n=24 healthy control subjects.
2010-06-08 | E-GEOD-16561 | biostudies-arrayexpress
Project description:Gene expression analysis of peripheral whole blood RNA following ischemic stroke
| PRJNA116197 | ENA
Project description:blood miRNA expression in ischemic stroke compared to controls miRNA expression in blood cells from patients with ischemic stroke were compared to controls with vascular risk factors
2014-07-01 | E-GEOD-55937 | biostudies-arrayexpress
Project description:Obesity is well recognized as a risk factor for coronary heart disease and mortality. The relationship between abdominal obesity and ischemic stroke remains less clear. Previous publication showed the obesity is an independent, potent risk factor for ischemic stroke in all race-ethnic groups. It is a stronger risk factor than BMI and has a greater effect among younger persons. The goal of this experiment was to compare genome wide enrichment of H3K9ac histone mark profile of white blood cells of healthy controls, patients with obesity and/or stroke in order to understand the histone modifications differences behind the different phenotypes. There were 3 subjects in each group.
2024-02-29 | E-MTAB-2828 | biostudies-arrayexpress
Project description:The purpose of this project was to elucidate gene expression in the peripheral whole blood of acute ischemic stroke patients to identify a panel of genes for the diagnosis of acute ischemic stroke. Peripheral blood samples were collected in Paxgene Blood RNA tubes from stroke patients who were >18 years of age with MRI diagnosed ischemic stroke and controls who were non-stroke neurologically healthy. The results suggest a panel of genes can be used to diagnose ischemic stroke, and provide information about the biological pathways involved in the response to acute ischemic stroke in humans.
2010-06-01 | GSE16561 | GEO
Project description:Elevated plasma homocysteine is an independent risk factor for cardiovascular disease and stroke, however the etiology remains poorly understood. Elevated homocysteine is known to inhibit methyltransferases including DNA methyltransferases, but no methylome-wide analysis of elevated homocysteine has been reported. Peripheral blood genomic DNA methylation in 8 Singaporean-Chinese ischemic stroke patients (4 male, 4 female) with varying homocysteine titer and hypertensive status were profiled using methyl-CpG binding domain (MBD) protein-enriched genome sequencing (MBD-seq) on Illumina Genome Analyzer IIx. A methylome wide screen was undertaken for gender, total plasma homocysteine, hypertension and age. The data show considerable variability within the small cohort, including at genes which are related to one carbon metabolism and cardiovascular disease. Peripheral blood genomic DNA methylation in 8 Singaporean-Chinese ischemic stroke patients (4 male, 4 female) was profiled using methyl-CpG binding domain (MBD) protein-enriched genome sequencing (MBD-seq) on Illumina Genome Analyzer IIx. Methylation parrterns were correlated with homocysteine levels, lypertensive status, gender and age.
2014-05-27 | E-GEOD-57962 | biostudies-arrayexpress
Project description:blood miRNA expression in ischemic stroke compared to controls
2014-07-01 | GSE55937 | GEO
Project description:Blood monocytes/macrophages infiltrate the brain after ischemic stroke and critically influence brain injury and regeneration. We investigated stroke-induced transcriptomic changes of monocytes/macrophages by RNA sequencing profiling, using a mouse model of permanent focal cerebral ischemia. Compared to non-ischemic conditions, brain ischemia induced only moderate genomic changes in blood monocytes, but triggered robust genomic reprogramming in monocytes/macrophages invading the brain. Surprisingly, functional enrichment analysis of the transcriptome of brain macrophages revealed significant overrepresentation of biological processes linked to neurovascular remodeling, such as angiogenesis and axonal regeneration, as early as 5 days after stroke, suggesting a previously underappreciated role for macrophages in initiating post-stroke brain repair. Upstream Regulator analysis predicted peroxisome proliferator-activated receptor gamma (PPARγ) as a master regulator driving the transcriptional reprogramming in post-stroke brain macrophages. Importantly, myeloid cell-specific PPARγ knockout (mKO) mice demonstrated lower post-stroke angiogenesis and neurogenesis than wild-type mice, which correlated significantly with the exacerbation of post-stroke neurological deficits in mKO mice. Collectively, our findings reveal a novel repair-enhancing transcriptome in brain macrophages during post-stroke neurovascular remodeling. As a master switch controlling genomic reprogramming, PPARγ is a rational therapeutic target for promoting and maintaining beneficial macrophage functions, facilitating neurorestoration, and improving long-term functional recovery after ischemic stroke.
2019-11-07 | GSE138805 | GEO
Project description:Blood genomic expression profile for Behçet’s disease.
| PRJNA119733 | ENA