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  • Title: [Renin-angiotensin system genes in chronic glomerulonephritis].
    Author: Buraczyńska M, Jóźwiak L, Spasiewicz D, Nowicka T, Ksiazek A.
    Journal: Pol Arch Med Wewn; 2001 Jun; 105(6):455-60. PubMed ID: 11865575.
    Abstract:
    Glomerulonephritis is a group of diseases with complex etiology, pathogenesis, morphological features and clinical course. The renin-angiotensin system genes are important group of candidate genes involved in pathogenesis of chronic renal diseases. The purpose of our study was to analyze the association of genetic polymorphisms of these genes with glomerular kidney diseases. The study population consisted of 52 patients with immunological glomerular kidney diseases and 50 hemodialyzed patients with end-stage renal failure with glomerulonephritis as primary disease. The control group consisted of 200 healthy subjects. By means of the polymerase chain reaction (PCR) the following polymorphisms were evaluated: insertion/deletion (I/D) polymorphism in intron 16 of the angiotensin-converting enzyme gene (ACE), M235T polymorphism of the angiotensinogen gene (AGT) and A1166C polymorphism of the angiotensin II type 1 receptor gene (AT1R). No significant association was found between the ACE allele and genotype frequencies and the disease. The allele frequency of the M235T polymorphism was different from that observed in the control group, but differences in the genotype distribution were not statistically significant. The CC genotype of the AT1R gene polymorphism was significantly more frequent in patients than controls. This suggests an increased susceptibility to renal diseases in individuals carrying the CC genotype. This relationship is not associated with hypertension. Our results suggest that in the Polish population the AT1R gene polymorphism might be associated with increased susceptibility to chronic renal diseases.
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