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Träfflista för sökning "WFRF:(Tang Nelson L.S.) srt2:(2010-2014)"

Sökning: WFRF:(Tang Nelson L.S.) > (2010-2014)

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1.
  • Estrada, Karol, et al. (författare)
  • Genome-wide meta-analysis identifies 56 bone mineral density loci and reveals 14 loci associated with risk of fracture.
  • 2012
  • Ingår i: Nature genetics. - : Springer Science and Business Media LLC. - 1546-1718 .- 1061-4036. ; 44:5, s. 491-501
  • Tidskriftsartikel (refereegranskat)abstract
    • Bone mineral density (BMD) is the most widely used predictor of fracture risk. We performed the largest meta-analysis to date on lumbar spine and femoral neck BMD, including 17 genome-wide association studies and 32,961 individuals of European and east Asian ancestry. We tested the top BMD-associated markers for replication in 50,933 independent subjects and for association with risk of low-trauma fracture in 31,016 individuals with a history of fracture (cases) and 102,444 controls. We identified 56 loci (32 new) associated with BMD at genome-wide significance (P < 5 × 10(-8)). Several of these factors cluster within the RANK-RANKL-OPG, mesenchymal stem cell differentiation, endochondral ossification and Wnt signaling pathways. However, we also discovered loci that were localized to genes not known to have a role in bone biology. Fourteen BMD-associated loci were also associated with fracture risk (P < 5 × 10(-4), Bonferroni corrected), of which six reached P < 5 × 10(-8), including at 18p11.21 (FAM210A), 7q21.3 (SLC25A13), 11q13.2 (LRP5), 4q22.1 (MEPE), 2p16.2 (SPTBN1) and 10q21.1 (DKK1). These findings shed light on the genetic architecture and pathophysiological mechanisms underlying BMD variation and fracture susceptibility.
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2.
  • Jiang, Jieying, et al. (författare)
  • Association of genetic variations in aromatase gene with serum estrogen and estrogen/testosterone ratio in Chinese elderly men.
  • 2010
  • Ingår i: Clinica chimica acta. - : Elsevier BV. - 1873-3492 .- 0009-8981. ; 411:1-2, s. 53-8
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Single nucleotide polymorphism (SNP) rs2470152 of the gene CYP19A1 is associated with serum estradiol (E2) levels in Caucasian men. However, it remains to be verified if rs2470152 is the sole determinant accounting for the association. We determined whether 2 CYP19A1 SNPs tagging different haploblocks (rs2470152 and rs2899470) are associated with sex steroid levels in Chinese men. METHOD: Serum sex steroid level including E2, estrone (E1) and testosterone (T), of 1402 Chinese men aged > or = 65 years were analyzed. Genotyping of the two CYP19A1 SNPs was performed using Tm-shift allele-specific PCR. RESULTS: SNP rs2899470 was significantly associated with serum E2, E1 levels and E2/T ratio (p<0.001). However, SNP rs2470152 was only modestly associated with E2/T ratio (p=0.023). Analysis of haplotype showed a significant association between C-G, T-T haplotype with serum E2/T ratio (p=0.019 and p=1 x 10(-5), respectively). Similarly, E2 levels was also associated the T-T and T-G haplotypes (p=1 x 10(-5)). CONCLUSION: The genetic variation of CYP19A1 was associated with circulating estrogen levels in Chinese elderly men. In addition, it revealed that haplotype of rs2899470 and rs2470152, rather than rs2899470 alone, was a better indicator for the serum E2/T ratio and E2 levels.
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3.
  • Jiang, Jieying, et al. (författare)
  • Association of SRD5A2 variants and serum androstane-3alpha,17beta-diol glucuronide concentration in Chinese elderly men.
  • 2010
  • Ingår i: Clinical chemistry. - : Oxford University Press (OUP). - 1530-8561 .- 0009-9147. ; 56:11, s. 1742-9
  • Tidskriftsartikel (refereegranskat)abstract
    • Results of recent studies have demonstrated that genetic variants of the enzyme steroid 5α reductase type II (SRD5A2) are associated with serum concentrations of major androgen metabolites such as conjugates of androstane-3α,17β-diol-glucuronide (3α-diol-G). However, this association was not consistently found among different ethnic groups. Thus, we aimed to determine whether the association with SRD5A2 genetic variations exists in a cohort of healthy Chinese elderly men, by examining 2 metabolite conjugates: androstane-3α,l7β-diol-3-glucuronide (3α-diol-3G) and androstane-3α,17β-diol-17-glucuronide (3α-diol-17G).
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