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Träfflista för sökning "WFRF:(Zheng Lilly S) srt2:(2006)"

Sökning: WFRF:(Zheng Lilly S) > (2006)

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  • Lindstrom, Sara, et al. (författare)
  • Systematic replication study of reported genetic associations in prostate cancer : Strong support for genetic variation in the androgen pathway
  • 2006
  • Ingår i: The Prostate. - Karolinska Inst, Dept Med Epidemiol & Biostat, SE-17177 Stockholm, Sweden. Umea Univ, Dept Radiat Sci Oncol, Umea, Sweden. Wake Forest Univ, Sch Med, Ctr Human Genome, Winston Salem, NC USA. Karolinska Inst, Ctr Genome & Bioinformat, Stockholm, Sweden. Univ Leicester, Dept Genet, Leicester, Leics, England. Johns Hopkins Med Inst, Dept Urol, Baltimore, MD USA. Karolinska Inst, CLINTEC, Ctr Oncol, Stockholm, Sweden. : WILEY-LISS. - 0270-4137 .- 1097-0045. ; 66:16, s. 1729-1743
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUND. Association studies have become a common and popular method to identify genetic variants predisposing to complex diseases. Despite considerable efforts and initial promising findings, the field of prostate cancer genetics is characterized by inconclusive reports and no prostate cancer gene has yet been established. METHODS. We performed a literature review and identified 79 different polymorphisms reported to influence prostate cancer risk. Of these, 46 were selected and tested for association in a large Swedish population-based case-control prostate cancer population. RESULTS. We observed significant (P < 0.05) confirmation for six polymorphisms located in five different genes. Three of them coded for key enzymes in the androgen biosynthesis and response pathway; the CAG repeat in the androgen receptor (AR) gene (P = 0.03), one SNP in the CYP17 gene (P = 0.04), two SNPs in the SRD5A2 gene (P = 0.02 and 0.02, respectively), a deletion of the GSTT1. gene (P = 0.006), and one SNP in the MSR1 gene, IVS5-59C > A, (P = 0.009). CONCLUSIONS. Notwithstanding the difficulties to replicate findings in genetic association studies, our results strongly support the importance of androgen pathway genes in prostate cancer etiology.
  • Zheng, S. Lilly, et al. (författare)
  • A comprehensive association study for genes in inflammation pathway provides support for their roles in prostate cancer risk in the CAPS study
  • 2006
  • Ingår i: The Prostate. - Wake Forest Univ, Bowman Gray Sch Med, Ctr Human Genom, Winston Salem, NC USA. Karolinska Inst, Dept Med Epidemiol & Biotat, Stockholm, Sweden. Orebro Univ Hosp, Dept Urol & Clin Med, Orebro, Sweden. Translat Genom Res Inst, Phoenix, AZ USA. Johns Hopkins Med Inst, Dept Urol, Baltimore, MD 21205 USA. : WILEY-LISS. - 0270-4137 .- 1097-0045. ; 66:14, s. 1556-1564
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND. Recently identified associations of prostate cancer risk with several genes involved in innate immunity support a role of inflammation in the etiology of prostate cancer. Considering inflammation is regulated by a complex system of gene products, we hypothesize sequence variants in many other genes of this pathway are associated with prostate cancer. METHODS. We evaluated 9,275 SNPs; in 1,086 genes of the inflammation pathway using a MegAlleleTM genotyping system among 200 familial cases and 200 unaffected controls selected from a large Swedish case-control population (CAPS). RESULTS. We found that significantly more than the expected numbers of SNPs were significant at a nominal P-value of 0.01, 0.05, and 0.1, providing overall support for our hypothesis. The excess was largest when using a more liberal nominal P-value (0.1); we observed 992 significant SNPs compared with the 854 significant SNPs expected by chance, and this difference was significant based on a permutation test (P = 0.0025). We also began the effort of differentiating true associated SNPs by selecting a small subset of significant SNPs (N = 26) and genotyped these in an independent sample of similar to 1,900 CAPS1 subjects. We were able to confirm 3 of these 26 SNPs. It is expected that many more true associated SNPs will be confirmed among the 992 significant SNPs identified in our pathway screen. CONCLUSIONS. Our study provides the first objective support for an association between prostate cancer and multiple modest-effect genes in inflammatory pathways.
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