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Cardiovasc Intervent Radiol. 2006 Jan-Feb;29(1):59-63.

Angiotensinogen and plasminogen activator inhibitor-1 gene polymorphism in relation to renovascular disease.

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Department of Nephrology, Gazi University Faculty of Medicine, Ankara, Turkey.


The present study was designed to evaluate angiotensinogen (AGT) M235T and plasminogen activator inhibitor-1 (PAI-1) (4G/5G) polymorphisims in relation to the occurrence of atherosclerotic renal artery stenosis (ARAS) and recurrent stenosis. In this study, 30 patients were enrolled after angiographic demonstration of ARAS; 100 healthy subjects for AGT polymorphism and 80 healthy subjects for PAI-1 polymorphism were considered the control group. The patients were followed for a mean 46.1 +/- 9.2 months. The patients had significantly higher frequencies of the MT genotype and the T allele than control group (chi(2) = 18.2, p < 0.001 and chi(2) = 11.5 p < 0.001). There were no significant differences in the PAI-1 genotype and allele findings when the data for all patients were compared with that for the controls (chi(2)= 2.45, p = 0.29 and chi(2) = 0.019, p = 0.89). There were no significant differences in the genotype and allele findings for the patients with and without restenosis (p > 0.05). The C-reactive protein (CRP) level was higher in the patients with restenosis than in the patients without restenosis (7.694 +/- 0.39 mg/L and 1.56 +/- 1.08 mg/L) (p = 0.001). Our results suggest that the M235T MT genotype and T allele might be associated with increased risk of atherosclerotic renal artery stenosis. The CRP level might be an independent predictor for recurrent stenosis.

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