Sex and age dimorphism of myocardial gene expression in nonischemic human heart failure.

ABSTRACT:

Background

We report the first comprehensive analysis of gene expression differences by sex and age in left ventricular samples from 102 patients with dilated cardiomyopathy.

Methods and results

Gene expression data (HG-U133A gene chip, Affymetrix) were analyzed from 30 females and 72 males from 3 separate centers. More than 1800 genes displayed sexual dimorphism in the heart (adjusted P value <0.05). A significant number of these genes were highly represented in gene ontology pathways involved in ion transport and G-protein-coupled receptor signaling. Localization of these genes revealed enrichment on both the sex chromosomes as well as chromosomes 3, 4, and 14. The second goal of this study was to determine the effect of age on gene expression. Within the female cohort, >1

SUBMITTER: Fermin DR 

PROVIDER: S-EPMC3090727 | biostudies-literature | 2008 Dec

REPOSITORIES: biostudies-literature