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Accession IconE-MEXP-2296

Transcription profiling of human heart characterizing the progression of heart failure in patients with aortic valve stenosis

Organism Icon Homo sapiens
Sample Icon 18 Downloadable Samples
Technology Badge Icon Affymetrix Human Genome U133B Array (hgu133b), Affymetrix Human Genome U133A Array (hgu133a)

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Description
Myocardial left ventricular biopsies from male patients (n=6) with isolated aortic stenosis and pronounced left ventricular hypertrophy undergoing aortic valve replacement were harvested either from hearts with normal ejection fraction (EF,>50%) or with low EF (<30%). Biopsies were further obtained from non-hypertrophied hearts with normal EF (>60%) from coronary artery disease patients undergoing coronary artery bypass graft surgery (n=3). Total RNA isolated from biopsies was analyzed using Affymetrix HG-U133A and U133B GeneChip sets.
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