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We studied the associations of three renin-angiotensin system polymorphisms, angiotensin-converting enzyme (ACE) I/D, angiotensinogen 235 M/T, and angiotensin II receptor type I 573 C/T, with arterial stiffness. The study was embedded in the Rotterdam Study, a population-based study older adults. The association of the polymorphisms with pulse wave velocity, the carotid distensibility, and pulse pressure was investigated in 3706 subjects. We found no association of the ACE I/D polymorphism with pulse wave velocity, but the D-allele was associated with a lower distensibility coefficient (p = 0.05) and higher pulse pressure (p = 0.01). For the angiotensinogen 235 M/T polymorphism, no significant associations with either pulse wave velocity (p = 0.71), the distensibility coefficient (p = 0.16) or pulse pressure (p = 0.34) were found. Also, we found no significant associations of pulse wave velocity (PWV) (p = 0.32), the distensibility coefficient (p = 0.08), and pulse pressure (p = 0.09) with the angiotensin II receptor type 1 573 C/T polymorphism. No epistatic effects were observed between the three renin-angiotensin system (RAS) genes with arterial stiffness. Our findings suggest that genetic variation in the renin-angiotensin system may play a role in determining carotid distensibility and pulse pressure.

Original publication

DOI

10.1080/10641960802668706

Type

Journal article

Journal

Clinical and experimental hypertension (New York, N.Y. : 1993)

Publication Date

07/2009

Volume

31

Pages

389 - 399

Addresses

Department of Epidemiology & Biostatistics, Erasmus Medical Center, Rotterdam, The Netherlands.

Keywords

Arteries, Humans, Peptidyl-Dipeptidase A, Angiotensinogen, Receptor, Angiotensin, Type 1, Retrospective Studies, Cohort Studies, Prospective Studies, Renin-Angiotensin System, Blood Pressure, Regional Blood Flow, Polymorphism, Genetic, Elasticity, Pulsatile Flow, Aged, Netherlands, Female, Male