期刊
EUROPEAN JOURNAL OF HEART FAILURE
卷 10, 期 1, 页码 3-13出版社
WILEY
DOI: 10.1016/j.ejheart.2007.11.008
关键词
beta adrenergic receptor; gene; polymorphism; heart failure
资金
- British Heart Foundation [RG/08/008/25291] Funding Source: Medline
Heart Failure (HF) is a common disorder associated with substantial morbidity and mortality. beta adrenergic receptors (beta AR) are the primary pathway through which cardiac function is influenced. Chronic beta(1)AR activation is implicated in the pathogenesis of HF and beta AR blockade improves survival in left ventricular systolic dysfunction. Common functional polymorphisms in beta adrenergic receptor genes (ADRB) have been associated with HF phenotypes, and with pharmacogenetic interaction with beta adrenergic receptor blockers (beta blockers). However, these associations have not been consistently replicated. The evidence for ADRB variant involvement in pathogenesis, progression and response to beta blockers in HF is reviewed. In addition, a meta-analysis of three studies analysing the effect of ADRB1 Arg389Gly polymorphism on left ventricular remodelling with the use of beta blockers, demonstrating a 5% improvement in left ventricular ejection fraction in Arg389 homozygotes, is presented. There is now accumulating molecular evidence for a different functional response to beta blockers associated with this polymorphism. In the future, confirmed genotypic associations may enable patients to be identified who are either at greater risk of developing HF, whose HF may rapidly progress, or who are unlikely to benefit from beta blockers, and such patients may benefit from targeted aggressive therapy. (c) 2007 European Society of Cardiology. Published by Elsevier B.V. All rights reserved.
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