Endocrine journal · 2008
Case-control study of the role of the Gitelman's syndrome gene in essential hypertension.
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Aoi Noriko, Nakayama Tomohiro, Sato Naoyuki, Kosuge Kotoko, Haketa Akira, Sato Mikano, Soma Masayoshi
Аннотация
BACKGROUND: Gitelman's syndrome is an inherited tubular disorder characterized by sodium wasting, low blood pressure, secondary hyperaldosteronism, metabolic alkalosis, hypokalemia, hypomagnesemia of renal origin, and hypocalciuria. The majority of patients with this syndrome carry inactivating mutations in the SLC12A3 gene encoding the thiazide-sensitive Na (+)-Cl (-) cotransporter (NCC) located in the distal convoluted tubule, which is involved in renal sodium reabsorption. This suggests that the SLC12A3 gene is involved in mediation of blood pressure levels. The aim of the present study was to investigate relationships between single nucleotide polymorphisms (SNPs) in the human SLC12A3 gene and essential hypertension (EH) in Japanese.
METHOD: We selected 3 SNPs in the human SLC12A3 gene (T180K, A569V, L849H), and performed a case-control study of 315 EH patients and 305 normotensive (NT) individuals.
RESULTS: There was no significant difference in overall distribution of genotypes or alleles of any of the SNPs between the EH and NT groups.
CONCLUSION: We conclude that the causal gene of Gitelman's syndrome is not involved in determining blood pressure levels.
METHOD: We selected 3 SNPs in the human SLC12A3 gene (T180K, A569V, L849H), and performed a case-control study of 315 EH patients and 305 normotensive (NT) individuals.
RESULTS: There was no significant difference in overall distribution of genotypes or alleles of any of the SNPs between the EH and NT groups.
CONCLUSION: We conclude that the causal gene of Gitelman's syndrome is not involved in determining blood pressure levels.