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Pediatr Res. 2007 Jul;62(1):83-7.

Angiotensin II type 2 receptor gene polymorphism in Caucasian children with a wide spectrum of congenital anomalies of the kidney and urinary tract.

Author information

1
Department of Pediatrics, University Hospital of Ioannina, 45500 Ioannina, Greece. eksiomou@yahoo.gr

Abstract

The A-1332G transition of the angiotensin II type 2 receptor (AT2R) gene was found to occur more often in males with ureteropelvic (UPJO) or ureterovesical junction obstruction (UVJO). However, other studies have shown controversial results. Tauhe frequency of this polymorphism was investigated in 275 Caucasian children (153 boys, 122 girls) with a wide spectrum of congenital anomalies both of upper (165) and lower (110) urinary tract system and in 200 controls (100 boys, 100 girls). Among the included malformations, renal agenesis and duplex collecting system (DCS) were studied for the first time. The frequency of the G allele did not differ among patients (193 of 397 total alleles, 48.6%) and controls (146 of 300, 48.7%). No significant difference was also found in the frequency of the G allele in subgroups of congenital uropathies compared with controls. When analysis was performed in males and females separately, no significant difference was found in the frequency of the G allele in male (45.1%) or female (50.8%) patients compared with male (57.0%) or female (44.5%) controls. Our data indicate that the AT2R gene A-1332G transition is not associated with the development of human congenital uropathies and further investigations should be carried out to unravel their etiology.

PMID:
17515833
DOI:
10.1203/PDR.0b013e3180679101
[Indexed for MEDLINE]

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