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Tytuł oryginału: Ser9Gly polymorphism in the dopamine D3 receptor gene is not associated with essential hypertension in the Japanese.
Autorzy: Soma Masayoshi, Nakayama Tomohiro, Rahmutula Dolkun, Uwabo Jiro, Sato Mikano, Kunimoto Masako, Aoi Noriko, Kosuge Kotoko, Kanmatsuse Katsuo
Źródło: Med. Sci. Monitor 2002: 8 (1) s.CR1-CR4, tab., bibliogr. 26 poz.
Sygnatura GBL: 313,278

Hasła klasyfikacyjne GBL:
  • genetyka
  • kardiologia

    Typ dokumentu:
  • praca kliniczna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • ludzie
  • dorośli 19-44 r.ż.
  • dorośli 45-64 r.ż.

    Streszczenie angielskie: Background: The Dopamine D3 receptor (DRD3) gene is thought to be involved in essential hypertension (EH) because dopamine inhibits renin secretion via this receptor and because disruption of the DRD3 gene increases blood pressure in mice. EH is a complex, polygenetic disease. Association studies using the candidate gene approach may provide important clues regarding the etiology of hypertension and define a basis for further genetic investigation. Therefore we examined the association between the Ser9Gly polymorphism in the DRD3 gene and EH. Material/methods: One hundred eighty-one patients with EH and 181 age-matched subjects with normal blood pressure were enrolled. Genomic DNA was extracted from peripheral blood leukocytes. Polymerase chain reaction (PCR) was used to amplify the Ser9Gly polymorphic site in the DRD3 gene, and restriction fragment length polymorphism (RFLP) analysis of the PCR product was used to score the A and G alleles. Plasma renin acitvity and plasma aldosterone concentration were measured in untreated EH subjects. Results: The genotype distribution was in Hardy-Weinberg equilibrium, and was not significantly different between the NT and EH groups. The frequencies of A and G alleles were 0.674 (244/362) adn 0.326 (118/362) for the NT group and 0.688 (249/362) and 0.312 (113/362) for the EH group, respectively, and did not differ significantly between the two groups. The genotype did not influence the plasma renin activity and aldosterone concentration in untreated EH patients. Conclusions: The Ser9Gly polymorphism in the DRD3 gene are not associated with EH. However, our negative result does not exclude the possibility of another variant elsewhere in or near the DRD3 gene in EH.

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