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Träfflista för sökning "WFRF:(Sun Jielin) ;pers:(Lindström Sara)"

Sökning: WFRF:(Sun Jielin) > Lindström Sara

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  • Lindström, 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.
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  • Xu, Jianfeng, et al. (författare)
  • Estimation of absolute risk for prostate cancer using genetic markers and family history
  • 2009
  • Ingår i: The Prostate. - : Wiley. - 0270-4137 .- 1097-0045. ; 69:14, s. 1565-1572
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Multiple DNA sequence variants in the form of single-nucleotide polymorphisms (SNPs) have been found to be reproducibly associated with prostate cancer (PCa) risk. METHODS: Absolute risk for PCa among men with various numbers of inherited risk alleles and family history of PCa was estimated in a population-based case-control study in Sweden (2,893 cases and 1,781 controls), and a nested case-control study from the Prostate, Lung, Colon and Ovarian (PLCO) Cancer Screening Trial in the U.S. (1,172 cases and 1,157 controls). RESULTS: Increased number of risk alleles and positive family history were independently associated with PCa risk. Considering men with 11 risk alleles (mode) and negative family history as having baseline risk, men who had >or=14 risk alleles and positive family history had an odds ratio (OR) of 4.92 [95% confidence interval (CI): 3.64-6.64] in the Swedish study. These associations were confirmed in the U.S. population. Once a man's SNP genotypes and family history are known, his absolute risk for PCa can be readily calculated and easily interpreted. For example, 55-year-old men with a family history and >or=14 risk alleles have a 52% and 41% risk of being diagnosed with PCa in the next 20 years in the Swedish and U.S. populations, respectively. In comparison, without knowledge of genotype and family history, these men had an average population absolute risk of 13%. CONCLUSION: This risk prediction model may be used to identify men at considerably elevated PCa risk who may be selected for chemoprevention.
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