The Glu27 allele of the β2 adrenergic receptor increases the risk of cardiac hypertrophy in hypertension

Guido Iaccarino, Francesca Lanni, Ersilia Cipolletta, Valentina Trimarco, Raffaele Izzo, Gianni Luigi Iovino, Nicola De Luca, Bruno Trimarco

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Objective: Cardiac and vascular remodeling occur in response to hypertension. Genetic background appears to modify the development of target organ damage (TOD). We evaluated the impact on hypertension-associated TOD of a highly polymorphic gene with elevated significance for the regulation of the cardiovascular system, the β2AR gene. Methods: We recruited 775 hypertensives (mean ± SE: age 53.5 ± 0.5, from 20 to 84 years; female 32.7%; systolic (SBP)/diastolic (DBP) blood pressure: 159 ± 1.2/ 101 ± 0.6 mmHg) referred to the departmental outpatient clinic and screened them for the Arg16Gly, Gln27Glu, and lle164Thr variants of β2AR gene. We performed association analyses on clinical, anamnesis, anthropometrical and biochemical parameters as well as cardiac and vascular ultrasound. Results: We found that the three polymorphisms did not affect blood pressure levels. Cardiac TOD appeared to be related to the Glu27 variant. In fact, the Glu27 allele associates with a 1.4-fold higher risk of developing cardiac hypertrophy, and directly correlated with larger systolic and diastolic left ventricle internal diameters. Vascular TOD was not affected by the three polymorphisms. Ancillary to our finding we observed that the Glu27 variant is associated with a higher incidence of dyslipidemia. Conclusions: Our data indicate that β2AR gene polymorphisms participate in the determination of cardiac TOD associated with hypertension.

Original languageEnglish
Pages (from-to)2117-2122
Number of pages6
JournalJournal of Hypertension
Volume22
Issue number11
DOIs
Publication statusPublished - Nov 2004

Fingerprint

Cardiomegaly
Adrenergic Receptors
Alleles
Hypertension
Genes
Blood Vessels
Blood Pressure
Dyslipidemias
Cardiovascular System
Ambulatory Care Facilities
Heart Ventricles
Incidence

Keywords

  • Cardiac hypertrophy
  • Genetics
  • Hypertension

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology

Cite this

Iaccarino, G., Lanni, F., Cipolletta, E., Trimarco, V., Izzo, R., Iovino, G. L., ... Trimarco, B. (2004). The Glu27 allele of the β2 adrenergic receptor increases the risk of cardiac hypertrophy in hypertension. Journal of Hypertension, 22(11), 2117-2122. https://doi.org/10.1097/00004872-200411000-00013

The Glu27 allele of the β2 adrenergic receptor increases the risk of cardiac hypertrophy in hypertension. / Iaccarino, Guido; Lanni, Francesca; Cipolletta, Ersilia; Trimarco, Valentina; Izzo, Raffaele; Iovino, Gianni Luigi; De Luca, Nicola; Trimarco, Bruno.

In: Journal of Hypertension, Vol. 22, No. 11, 11.2004, p. 2117-2122.

Research output: Contribution to journalArticle

Iaccarino, G, Lanni, F, Cipolletta, E, Trimarco, V, Izzo, R, Iovino, GL, De Luca, N & Trimarco, B 2004, 'The Glu27 allele of the β2 adrenergic receptor increases the risk of cardiac hypertrophy in hypertension', Journal of Hypertension, vol. 22, no. 11, pp. 2117-2122. https://doi.org/10.1097/00004872-200411000-00013
Iaccarino, Guido ; Lanni, Francesca ; Cipolletta, Ersilia ; Trimarco, Valentina ; Izzo, Raffaele ; Iovino, Gianni Luigi ; De Luca, Nicola ; Trimarco, Bruno. / The Glu27 allele of the β2 adrenergic receptor increases the risk of cardiac hypertrophy in hypertension. In: Journal of Hypertension. 2004 ; Vol. 22, No. 11. pp. 2117-2122.
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