Angiotensin-converting enzyme i/d polymorphism in patients with malignant hypertension.

Eugenia Espinel, Jose Luis Tovar, Javier Borrellas, Luis Piera, Rosendo Jardi, Francisco Rodriguez Frias, Luis Armadans, Ana Gonzalez Bachs

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18 Citations (Scopus)


The angiotensin-converting enzyme (ACE) gene has been implicated in the manifestation of the phenotype of malignant hypertension (MH). In 1990 the ACE gene polymorphism characterized by the insertion or deletion of a 287-base pair fragment in the 17q23 chromosome was identified. The DD genotype is associated with increased tissue and circulating ACE levels and elevated angiotensin II. ACE polymorphism was studied in 48 patients with MH, 25 patients with non-MH, and a control group of 78 normotensive individuals by real-time polymerase chain reaction using the LightCycler system (Roche Diagnostics Corporation, Indianapolis, IN). The DD genotype was found statistically more frequently in MH patients than controls (p=0.028; odds ratio, 2.5; confidence interval, 1.1-5.5). Presence of the DD genotype of the ACE gene is more frequent in MH patients than in controls, indicating that this genotype could be a significant risk factor and a predictor for the development of MH.
Original languageEnglish
JournalJournal of clinical hypertension (Greenwich, Conn.)
Issue number1
Publication statusPublished - 1 Jan 2005

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