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Cardiac gene expression profiling of heart failure treatment with the anti-ischemic drug ranolazine

ABSTRACT: Heart failure is a leading cause of cardiovascular mortality with limited options for treatment. We analyzed whether the anti-ischemic drug ranolazine could retard the progression of heart failure in an experimental model of heart failure induced by 6 months of chronic pressure overload. The study showed that 2 months of ranolazine treatment improved cardiac function of aortic constricted C57BL/6J (B6) mice with symptoms of heart failure as assessed by echocardiography. The microarray gene expression study of heart tissue from failing hearts relative to ranolazine-treated and healthy control hearts identified heart failure-specific genes that were normalized during treatment with the anti-ischemic drug ranolazine.

ORGANISM(S): Mus musculus

PROVIDER: GSE25766 | GEO | 2010/12/03

SECONDARY ACCESSION(S): PRJNA134067

REPOSITORIES: GEO

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Cardiac gene expression profiling of heart failure treatment with the anti-ischemic drug ranolazine

Project description:Heart failure is a leading cause of cardiovascular mortality with limited options for treatment. We analyzed whether the anti-ischemic drug ranolazine could retard the progression of heart failure in an experimental model of heart failure induced by 6 months of chronic pressure overload. The study showed that 2 months of ranolazine treatment improved cardiac function of aortic constricted C57BL/6J (B6) mice with symptoms of heart failure as assessed by echocardiography. The microarray gene expression study of heart tissue from failing hearts relative to ranolazine-treated and healthy control hearts identified heart failure-specific genes that were normalized during treatment with the anti-ischemic drug ranolazine. Microarray gene expression profiling was performed with heart tissue isolated from three study groups: (i) untreated 10 month-old C57BL/6J (B6) mice with heart failure induced by 6 months of abdominal aortic constriction (AAC), (ii) 10 month-old B6 mice with 6 months of AAC and two months of treatment with the anti-ischemic drug ranolazine (200 mg/kg), and (iii) age-matched, untreated, sham-operated B6 control mice.

2010-12-03 | E-GEOD-25766 | biostudies-arrayexpress

Cardiac gene expression profiling of apoE-deficient mice receiving heart failure treatment with the anti-ischemic drug ranolazine

Project description:Heart failure is a leading cause of cardiovascular mortality with limited options for treatment. We used 18 month-old apolipoprotein E (apoE)- deficient mice as a model of atherosclerosis-induced heart failure to analyze whether the anti-ischemic drug ranolazine could retard the progression of heart failure. The study showed that 2 months of ranolazine treatment improved cardiac function of 18 month-old apoE-deficient mice with symptoms of heart failure as assessed by echocardiography. To identify changes in cardiac gene expression induced by treatment with ranolazine a microarray study was performed with heart tissue from failing hearts relative to ranolazine-treated and healthy control hearts. The microarray approach identified heart failure-specific genes that were normalized during treatment with the anti-ischemic drug ranolazine. Microarray gene expression profiling was performed with heart tissue isolated from (i) untreated 18 month-old apoE-deficient mice with heart failure relative to (ii) 18 month-old apoE-deficient mice treated for two months with the anti-ischemic drug ranolazine (200 mg/kg), and (iii) age-matched non-transgenic C57BL/6J (B6) control mice.

2010-12-03 | E-GEOD-25767 | biostudies-arrayexpress

Cardiac gene expression profiling of apoE-deficient mice receiving heart failure treatment with the anti-ischemic drug ranolazine

2010-12-03 | GSE25767 | GEO

Mus musculus

Project description:Cardiac gene expression profiling of heart failure treatment with the anti-ischemic drug ranolazine

| PRJNA134067 | ENA

Mus musculus

Project description:Cardiac gene expression profiling of apoE-deficient mice receiving heart failure treatment with the anti-ischemic drug ranolazine

| PRJNA134069 | ENA

RNA-seq analysis of human heart failure

Project description:The goal of this study is to compare the transcriptome of heart failure patients (with ischemic or dilated cardiomyopathy) undergoing heart transplantation compared with healthy controls. We analyzed 36 human samples. 13 from ischemic and 13 from dilated human hearts compared with 10 healthy control donors.

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changes in cardiac transcription profiles brought about by heart failure

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Project description:The microtubule (MT) cytoskeleton can provide a mechanical resistance that can impede the motion of contracting cardiomyocytes. Yet a role of the MT network in human heart failure is unexplored. Here we utilize mass spectrometry to characterize changes to the cytoskeleton in human heart failure. Proteomic analysis of left ventricle tissue reveals a consistent upregulation and stabilization of intermediate filaments and MTs in human heart failure. This dataset includes left ventricular (LV) myocardium from 34 human hearts – either non-failing (NF) or failing hearts. NF hearts are subdivided into normal or compensated hypertrophy (cHyp), while failing hearts are subdivided into ischemic cardiomyopathy (ICM), dilated cardiomyopathy (DCM), and hypertrophic cardiomyopathy with preserved or reduced ejection fraction (HCMpEF and HCMrEF, respectively). Further details on patient classification and in vivo parameters on each heart are listed in sample details.txt.

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