Exp Clin Endocrinol Diabetes 2011; 119(10): 649-655
DOI: 10.1055/s-0031-1287791
Article
© J. A. Barth Verlag in George Thieme Verlag KG Stuttgart · New York

Relationship between Plasma Aldosterone Concentration and Soluble Cellular Adhesion Molecules in Patients Referred to Coronary Angiography

A. Tomaschitz*
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Medical University of Graz, Graz, Austria
,
S. Pilz
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Medical University of Graz, Graz, Austria
2   Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
,
E. Ritz
3   Department of Nephrology, University of Heidelberg, Heidelberg, Germany
,
T. Grammer
4   Mannheim Institute of Public Health, Rupertus Carola University ­Heidelberg, Medical Faculty Mannheim, Mannheim, Germany
,
K. Amrein
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Medical University of Graz, Graz, Austria
,
S. Merger
5   Division of Endocrinology, Diabetes and Metabolism, Graduate School of ­Molecular Diabetology and Endocrinology, Ulm University, Ulm, Germany
,
A. Meinitzer
6   Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
,
B. R. Winkelmann
7   Cardiology Group Sachsenhausen, Frankfurt, Germany
,
B. O. Boehm*
5   Division of Endocrinology, Diabetes and Metabolism, Graduate School of ­Molecular Diabetology and Endocrinology, Ulm University, Ulm, Germany
,
W. März*
4   Mannheim Institute of Public Health, Rupertus Carola University ­Heidelberg, Medical Faculty Mannheim, Mannheim, Germany
6   Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
8   Synlab Centre of Laboratory Diagnostics, Heidelberg, Germany
› Author Affiliations
Further Information

Publication History

received 26 March 2011
first decision 18 July 2011

accepted 06 September 2011

Publication Date:
08 November 2011 (online)

Abstract

Objective:

Evidence is emerging that aldosterone contributes to the development and progression of atherosclerosis and cardiovascular disease. Little is known, however, regarding an association between circulating aldosterone levels and soluble cellular adhesion molecules in humans.

Methods:

We investigated the relationship between plasma aldosterone concentration (PAC) and soluble cellular adhesion molecules in a large cohort of patients referred to coronary angiography. After exclusion of patients with ongoing mineralocorticoid receptor blocker use, oral contraceptive or hormone replacement therapy, 1 733 patients (mean age: 62.5±10.8 years; 26.4%% women; mean PAC: 101.5±93.5 pg/mL) remained eligible for analyses.

Results:

Pearson correlation analysis as well as age and gender adjusted partial correlation analysis revealed a positive association between PAC and soluble (s) E-, L- and P-selectin levels but not with sICAM-1 and sVCAM-1, respectively. In multivariate adjusted analyses of covariance (ANCOVA) sE- (p=0.026), sL- (p=0.049) and sP-selectin (p<0.001) levels increased steadily from the first (reference) to the third gender-specific tertile of PAC. No significant variation across PAC tertiles was found for sICAM-1 (p=0.767) and sVCAM1 (p=0.425) levels, respectively. Finally, multivariate regression analyses revealed circulating aldosterone as an important predictor for soluble selectin levels.

Conclusion:

Our findings in a large cohort of patients indicate that upregulation of selectins might represent a novel mechanism of aldosterone mediated development and progression of atherosclerosis. In view of aldosterone as a novel cardiovascular risk factor independent of angiotensin II, our findings warrant further interventional studies which should evaluate anti-atherosclerotic effects of aldosterone blocking treatment strategies in humans.

*

* These authors contributed equally to this work.


 
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