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G-Protein Receptor Kinase 4 Polymorphism and Response to Antihypertensive Therapy


Muskalla, Anne M; Suter, Paolo M; Saur, Matthias; Nowak, Albina; Hersberger, Martin; Krayenbuehl, Pierre-Alexandre (2014). G-Protein Receptor Kinase 4 Polymorphism and Response to Antihypertensive Therapy. Clinical Chemistry, 60(12):1543-1548.

Abstract

BACKGROUND G-protein receptor kinase 4 polymorphism influences blood pressure regulation via modulation of dopamine receptor D1 in renal proximal tubular cells. We investigated the role of G-protein receptor kinase 4 polymorphism in the response to hypertensive therapy in patients with essential hypertension. METHODS In a prospective study, we assessed the G-protein receptor kinase 4 polymorphisms R65L, A142V, and A486V in 100 hypertensive patients. We analyzed the association of the 3 gene variants on blood pressure control and response to antihypertensive therapy with single-locus analysis, haplotype analysis, and regression analysis. RESULTS Hypertensive individuals with a homozygous double variant of 65L and 142V needed significantly more antihypertensive treatment (number of antihypertensives 2.59 vs 1.95, P = 0.043) and especially diuretic therapy (0.82 vs 0.49, P = 0.029) to reach the same mean arterial blood pressure than did homozygous carriers of only 1 variant or heterozygous/wild-type carriers of R65L, A142V, and A486V alleles. CONCLUSIONS G-protein receptor kinase 4 polymorphism is associated with antihypertensive treatment response in patients with essential hypertension. Determination of G-protein receptor kinase 4 polymorphism may improve individual antihypertensive blood pressure control in patients with essential hypertension.

Abstract

BACKGROUND G-protein receptor kinase 4 polymorphism influences blood pressure regulation via modulation of dopamine receptor D1 in renal proximal tubular cells. We investigated the role of G-protein receptor kinase 4 polymorphism in the response to hypertensive therapy in patients with essential hypertension. METHODS In a prospective study, we assessed the G-protein receptor kinase 4 polymorphisms R65L, A142V, and A486V in 100 hypertensive patients. We analyzed the association of the 3 gene variants on blood pressure control and response to antihypertensive therapy with single-locus analysis, haplotype analysis, and regression analysis. RESULTS Hypertensive individuals with a homozygous double variant of 65L and 142V needed significantly more antihypertensive treatment (number of antihypertensives 2.59 vs 1.95, P = 0.043) and especially diuretic therapy (0.82 vs 0.49, P = 0.029) to reach the same mean arterial blood pressure than did homozygous carriers of only 1 variant or heterozygous/wild-type carriers of R65L, A142V, and A486V alleles. CONCLUSIONS G-protein receptor kinase 4 polymorphism is associated with antihypertensive treatment response in patients with essential hypertension. Determination of G-protein receptor kinase 4 polymorphism may improve individual antihypertensive blood pressure control in patients with essential hypertension.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic and Policlinic for Internal Medicine
04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:9 October 2014
Deposited On:05 Dec 2014 13:31
Last Modified:05 Apr 2016 18:31
Publisher:American Association for Clinical Chemistry
ISSN:0009-9147
Publisher DOI:https://doi.org/10.1373/clinchem.2014.226605
PubMed ID:25301854

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