PMID: 16521406Mar 9, 2006Paper

Pharmacogenetics of chronic heart failure--beta blockers

Casopís lékar̆ů c̆eských
A VaskůJ Vítovec

Abstract

Activation of the renin-angiotensin (RAS) cascade and sympathetic nervous systems adversely affect heart failure progression. ACE deletion allele (ACE D) of insertion/deletion polymorphism in the gene coding for angiotensin-1 converting enzyme is associated with increased renin-angiotensin activation. The aim of the study was to test pharmacogenetic associations of I/D ACE genotype with beta blockers therapy in patients with chronic heart failure. A total of 241 patients were included in the study, 63% with betablocker therapy and 37% without it. Using polymerase chain reaction (PCR) method, I/D genotype was detected in 2% agarose electrophoretic gel in UV light. Patients with chronic heart failure and with the II genotype of polymorphism I/D ACE were younger, with more frequent administration of betablockers and diuretics, with less regular administration of aspirin and with lower glycemia and plasma TNFalpha level. A significant difference in genotype distribution and allele frequency between patients with recommended dose and patients without betablockers therapy was proved, when a decrease of the D allele in patients with betablockers had been observed. Contemporary evaluating of AC inhibitor and betablocker therapy, a decr...Continue Reading

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