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  • 1
    Keywords: CANCER ; MODEL ; PROSTATE ; DISEASE ; RISK ; GENE ; MARKER ; IMPACT ; BIOMARKERS ; ASSOCIATION ; LINKAGE ; polymorphism ; single nucleotide polymorphism ; SUSCEPTIBILITY ; VARIANTS ; STAGE ; IDENTIFICATION ; HEALTH ; SNP ; PROSTATE-CANCER ; MARKERS ; LINKAGE DISEQUILIBRIUM ; diabetes ; REPLICATION ; FUTURE ; DIABETES-MELLITUS ; ONCOLOGY ; VARIANT ; METAANALYSIS ; biomarker ; methods ; MULTIETHNIC COHORT ; LINKAGE-DISEQUILIBRIUM ; 8Q24 ; susceptibility loci ; GENOME-WIDE ASSOCIATION ; genetic association ; SCAN ; Genetic ; COMMON VARIANTS ; Type ; single nucleotide ; RISK-ASSOCIATED LOCI
    Abstract: Background: Genome-wide association studies have identified multiple genetic variants associated with susceptibility to prostate cancer (PrCa). In the two-stage Cancer Genetic Markers of Susceptibility prostate cancer scan, a single-nucleotide polymorphism (SNP), rs10486567, located within intron 2 of JAZF1 gene on chromosome 7p15.2, showed a promising association with PrCa overall (P = 2.14 x 10(-6)), with a suggestion of stronger association with aggressive disease (P = 1.2 x 10(-7)). Methods: In the third stage of genome-wide association studies, we genotyped 106 JAZF1 SNPs in 10,286 PrCa cases and 9,135 controls of European ancestry. Results: The strongest association was observed with the initial marker rs10486567, which now achieves genome-wide significance [P = 7.79 x 10(-11); ORHET, 1.19 (95% confidence interval, 1.12-1.27); ORHOM, 1.37 (95% confidence interval, 1.20-1.56)]. We did not confirm a previous suggestion of a stronger association of rs10486567 with aggressive disease (P = 1.60 x 10(-4) for aggressive cancer, n = 4,597; P = 3.25 x 10(-8) for non-aggressive cancer, n = 4,514). Based on a multilocus model with adjustment for rs10486567, no additional independent signals were observed at chromosome 7p15.2. There was no association between PrCa risk and SNPs in JAZF1 previously associated with height (rs849140; P = 0.587), body stature (rs849141, tagged by rs849136; P = 0.171), and risk of type 2 diabetes and systemic lupus erythematosus (rs864745, tagged by rs849142; P = 0.657). Conclusion: rs10486567 remains the most significant marker for PrCa risk within JAZF1 in individuals of European ancestry. Impact: Future studies should identify all variants in high linkage disequilibrium with rs10486567 and evaluate their functional significance for PrCa. Cancer Epidemiol Biomarkers Prev; 19(5); 1349-55. (C)2010 AACR
    Type of Publication: Journal article published
    PubMed ID: 20406958
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  • 2
    Keywords: CANCER ; PROSTATE ; RISK ; MARKER ; ASSOCIATION ; SUSCEPTIBILITY ; SUSCEPTIBILITY LOCUS ; IDENTIFICATION ; genetics ; COLORECTAL-CANCER ; prostate cancer ; PROSTATE-CANCER ; MARKERS ; cancer risk ; VARIANT ; CANCER SUSCEPTIBILITY ; CORE ; LOCUS ; USA ; CANCER-RISK ; 8Q24 ; GENOME-WIDE ASSOCIATION ; SCAN ; Genetic ; Genome-wide association studies ; RANGE ; MULTIPLE LOCI
    Abstract: We report a genome-wide association study in 10,286 cases and 9,135 controls of European ancestry in the Cancer Genetic Markers of Susceptibility (CGEMS) initiative. We identify a new association with prostate cancer risk on chromosome 8q24 (rs620861, P = 1.3 x 10(-10), heterozygote OR = 1.17, 95% CI 1.10-1.24; homozygote OR = 1.33, 95% CI 1.21-1.45). This defines a new locus associated with prostate cancer susceptibility on 8q24
    Type of Publication: Journal article published
    PubMed ID: 19767755
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  • 3
    Keywords: RECEPTOR ; CANCER ; tumor ; COHORT ; DISEASE ; EPIDEMIOLOGY ; RISK ; GENE ; METABOLISM ; TUMORS ; ASSOCIATION ; polymorphism ; POLYMORPHISMS ; BREAST ; breast cancer ; BREAST-CANCER ; PROSTATE-CANCER ; INDIVIDUALS ; POSTMENOPAUSAL WOMEN ; SUBSET ; RE ; VARIANT ; SINGLE NUCLEOTIDE POLYMORPHISMS ; ESTROGEN ; single-nucleotide ; haplotype-tagging ; MULTIETHNIC COHORT ; BASE-LINE CHARACTERISTICS ; 17-BETA-HYDROXYSTEROID-DEHYDROGENASE TYPE-1 ; HORMONE-RECEPTOR
    Abstract: The 17 beta-hydroxysteroid dehydrogenase 1 gene (HSD17B1) encodes 17HSD1, which catalyzes the final step of estradiol biosynthesis. Despite the important role of HSD17B1 in hormone metabolism, few epidemiologic studies of HSD17B1 and breast cancer have been conducted. This study includes 5,370 breast cancer cases and 7,480 matched controls from five large cohorts in the Breast and Prostate Cancer Cohort Consortium. We characterized variation in HSD17B1 by resequencing and dense genotyping a multiethnic sample and identified haplotype-tagging single nucleotide polymorphisms (htSNP) that capture common variation within a 33.3-kb region around HSD17B1. Four htSNPs, including the previously studied SNP rs605059 (S312G), were genotyped to tag five common haplotypes in all cases and controls. Conditional logistic regression was used to estimate odds ratios (OR) for disease. We found no evidence of association between common HSD17B1 haplotypes or htSNPs and overall risk of breast cancer. The OR for each haplotype relative to the most common haplotype ranged from 0.98 to 1.07 (omnibus test for association: X-2 = 3.77, P = 0.58, 5 degrees of freedom). When cases were subdivided by estrogen receptor (ER) status, two common haplotypes were associated with ER-negative tumors (test for trend, Ps = 0.0009 and 0.0076; n = 353 cases). HSD17B1 variants that are common in Caucasians are not associated with overall risk of breast cancer; however, there was an association among the subset of ER-negative tumors. Although the probability that these ER-negative findings are false-positive results is high, these findings were consistent across each cohort examined and warrant further study
    Type of Publication: Journal article published
    PubMed ID: 16489054
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  • 4
    Keywords: RECEPTOR ; APOPTOSIS ; CANCER ; EXPRESSION ; proliferation ; CELL ; CELL-PROLIFERATION ; MODEL ; MODELS ; PROSTATE ; COMMON ; COHORT ; HISTORY ; RISK ; GENE ; GENES ; FAMILY ; INDEX ; SEQUENCE ; ASSOCIATION ; polymorphism ; POLYMORPHISMS ; single nucleotide polymorphism ; VARIANTS ; BREAST ; NO ; STAGE ; HEALTH ; AGE ; family history ; SNP ; MEN ; prostate cancer ; PROSTATE-CANCER ; cancer risk ; HUMAN GENOME ; BETA ; POPULATIONS ; case-control studies ; BODY ; ESTROGEN-RECEPTOR ; REGRESSION-MODELS ; MASS INDEX ; MASSES ; BODIES ; SINGLE ; ONCOLOGY ; case control study ; case-control study ; REGRESSION ; FAMILIES ; VARIANT ; SINGLE NUCLEOTIDE POLYMORPHISMS ; SNPs ; GRADE ; regulation ; cell proliferation ; GROWTH-FACTOR-I ; ESTROGEN ; biomarker ; case control studies ; INTERVAL ; analysis ; methods ; HAPLOTYPE ; HAPLOTYPES ; LOCUS ; single-nucleotide ; estrogen receptor ; FAMILY-HISTORY ; USA ; INCREASED RISK ; cancer research ; CANCER-RISK ; MULTIETHNIC COHORT ; SET ; nested case-control study ; case control ; LOGISTIC-REGRESSION ; BODY-MASS ; BODY-MASS-INDEX ; ER-BETA ; EXONS ; GENETIC-VARIATION ; TAG SNPS
    Abstract: Background: Estrogen receptor beta (ESR2) may play a role in modulating prostate carcirtogenesis through the regulation of genes related to cell proliferation and apoptosis. Methods: We conducted nested case-control studies in the Breast and Prostate Cancer Cohort Consortium (BPC3) that pooled 8,323 prostate cancer cases and 9,412 controls from seven cohorts. Whites were the predominant ethnic group. We characterized genetic variation in ESR2 by resequencing exons in 190 breast and prostate cancer cases and genotyping a dense set of single nucleotide polymorphisms (SNP) spanning the locus in a multiethnic panel of 349 cancer-free subjects. We selected four haplotype-tagging SNPs (htSNP) to capture common ESR2 variation in Whites; these htSNPs were then genotyped in all cohorts. Conditional logistic regression models were used to assess the association between sequence variants of ESR2 and the risk of prostate cancer. We also investigated the effect modification by age, body mass index, and family history, as well as the association between sequence variants of ESR2 and advanced-stage (〉= T3b, N-1, or M-1) and high-grade (Gleason sum 〉= 8) prostate cancer, respectively. Results: The four tag SNPs in ESR2 were not significantly associated with prostate cancer risk, individually. The global test for the influence of any haplotype on the risk of prostate cancer was not significant (P = 0.31). However, we observed that men carrying two copies of one of the variant haplotypes (TACC) had a 1.46-fold increased risk of prostate cancer (99% confidence interval, 1.06-2.01) compared with men carrying zero copies of this variant haplotype. No SNPs or haplotypes were associated with advanced stage or high grade of prostate cancer. Conclusion: In our analysis focused on genetic variation common in Whites, we observed little evidence for any substantial association of inherited variation in ESR2 with risk of prostate cancer. A nominally significant (P 〈 0.01) association between the TACC haplotype and prostate cancer risk under the recessive model could be a chance finding and, in any event, would seem to contribute only slightly to the overall burden of prostate cancer
    Type of Publication: Journal article published
    PubMed ID: 17932344
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