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Tytuł pozycji:

Polymorphism of the Angiotensin-Converting Enzyme Gene in End-Stage Renal Failure Patients.

Tytuł :
Polymorphism of the Angiotensin-Converting Enzyme Gene in End-Stage Renal Failure Patients.
Autorzy :
Aucella, Filippo
Vigilante, Mimmo
Margaglione, Maurizio
Grandone, Elvira
del Popolo, Annamaria
Forcella, Mauro
Procaccini, Deni
Salatino, Giovanna
Passione, Antonio
Ktena, Maria
de Min, Alva
Stallone, Carmine
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Źródło :
Nephron; 2000, Vol. 85 Issue 1, p54-59, 6p
Czasopismo naukowe
The plasma levels of angiotensin-converting enzyme (ACE) are modulated by the insertion (I)/deletion (D) polymorphism within the ACE gene locus. An association between progressive renal disease, raised cardiovascular risk, and ACE plasma levels has been shown. To evaluate the genotype frequencies of the I/D polymorphism in terminal renal failure, we have enrolled 341 dialysis patients (321 on hemodialysis and 20 on peritoneal dialysis) in a district of southern Italy (Foggia). As controls, 1,307 subjects from the same area have been enrolled. Genomic DNA was obtained from leukocytes, and the ACE I/D polymorphism was determined by polymerase chain reaction. Among uremics, 151 subjects (44.3%) carried the DD genotype, 149 (43.7%) the ID, and 41 (12.0%) the II genotype. In controls, 560 subjects (42.8%) had the DD genotype, 577 (44.1%) the ID, and 170 (13.1%) the II genotype (p = n.s.). Among patients, the frequency of DD subjects was higher in men (48.3%) than in women (39.7%, p < 0.01). A slight different frequency of the DD genotype was found according to the duration of dialysis treatment: 47.5% in patients on dialysis up to 60 months and 41.7 and 40.6% in those with a dialytic age of 60–120 and >120 months, respectively (p for trend: 0.53). Patients with or without cardiovascular diseases, such as hypertension, left ventricular hypertrophy, coronary artery disease, and chronic cardiac failure, did not exhibit any difference in ACE I/D allele and genotype frequencies (p always >0.05). In conclusion, frequencies of the ACE DD genotype were similar in uremics and in controls and did not differ between patients with and without cardiovascular diseases. A nonsignificant inverse relationship with the time spent on dialysis was observed, suggesting that ACE I/D polymorphism may influence the cardiovascular death rate.Copyright © 2000 S. Karger AG, Basel [ABSTRACT FROM AUTHOR]
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