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  • Title: Association of TNFRSF4 gene polymorphisms with essential hypertension.
    Author: Mashimo Y, Suzuki Y, Hatori K, Tabara Y, Miki T, Tokunaga K, Katsuya T, Ogihara T, Yamada M, Takahashi N, Makita Y, Nakayama T, Soma M, Hirawa N, Umemura S, Ohkubo T, Imai Y, Hata A.
    Journal: J Hypertens; 2008 May; 26(5):902-13. PubMed ID: 18398332.
    Abstract:
    BACKGROUND: Essential hypertension is a complex disorder that results from the interaction of a number of susceptibility genes and environmental factors. The TNFRSF4 (tumor necrosis factor receptor superfamily, member 4) gene was one of the genes that showed altered renal expression in long-term salt loading in mice. Moreover, association of the TNFRSF4 and TNFSF4 (tumor necrosis factor (ligand) superfamily, member 4) genes with myocardial infarction was recently reported. Since essential hypertension is a well-known risk factor for myocardial infarction, we hypothesized that TNFRSF4 could be a susceptibility gene for essential hypertension. METHODS: We performed a case-control study of TNFRSF4 in two independent population. RESULTS: Extensive investigation of single nucleotide polymorphisms of the entire gene suggested that it resided in one linkage disequilibrium block, and four single nucleotide polymorphisms in the 5' flanking region sufficiently represented major haplotypes. In the combined population, the frequency of the most frequent haplotype, C-C-A-A, was significantly lower (P = 8.07 x 10(-5)) and that of the second most frequent haplotype, C-T-G-A, was significantly higher (P = 6.07 x 10(-4)) in hypertensive subjects than in control subjects. This difference was observed only in female patients. The C-T-G-A haplotype showed a lower promoter activity than other haplotypes, suggesting a relationship with disease susceptibility. CONCLUSION: Our results suggest that TNFRSF4 is a female-specific susceptible gene for essential hypertension.
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