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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 ; POPULATION ; RISK ; CHRONIC LYMPHOCYTIC-LEUKEMIA ; FOLLICULAR LYMPHOMA ; TUMORIGENESIS ; NON-HODGKIN-LYMPHOMA ; COMMON VARIANTS ; NECROSIS-FACTOR TNF ; RAL GTPASES
    Abstract: Diffuse large B cell lymphoma (DLBCL) is the most common lymphoma subtype and is clinically aggressive. To identify genetic susceptibility loci for DLBCL, we conducted a meta-analysis of 3 new genome-wide association studies (GWAS) and 1 previous scan, totaling 3,857 cases and 7,666 controls of European ancestry, with additional genotyping of 9 promising SNPs in 1,359 cases and 4,557 controls. In our multi-stage analysis, five independent SNPs in four loci achieved genome-wide significance marked by rs116446171 at 6p25.3 (EXOC2; P = 2.33 x 10-21), rs2523607 at 6p21.33 (HLA-B; P = 2.40 x 10-10), rs79480871 at 2p23.3 (NCOA1; P = 4.23 x 10-8) and two independent SNPs, rs13255292 and rs4733601, at 8q24.21 (PVT1; P = 9.98 x 10-13 and 3.63 x 10-11, respectively). These data provide substantial new evidence for genetic susceptibility to this B cell malignancy and point to pathways involved in immune recognition and immune function in the pathogenesis of DLBCL.
    Type of Publication: Journal article published
    PubMed ID: 25261932
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  • 3
    Keywords: RECEPTOR ; CANCER ; COHORT ; RISK ; GENE ; MECHANISM ; MARKER ; RISK-FACTORS ; mechanisms ; BINDING ; CELL-LINES ; ASSOCIATION ; LINKAGE ; polymorphism ; POLYMORPHISMS ; single nucleotide polymorphism ; VARIANTS ; BREAST ; breast cancer ; BREAST-CANCER ; prevention ; HEALTH ; WOMEN ; SNP ; risk factors ; prostate cancer ; PROSTATE-CANCER ; MARKERS ; cancer risk ; DATABASE ; REGION ; REGIONS ; LINKAGE DISEQUILIBRIUM ; nutrition ; POSTMENOPAUSAL WOMEN ; PROGRAM ; VARIANT ; SINGLE NUCLEOTIDE POLYMORPHISMS ; LOCUS ; single-nucleotide ; BLOCKS ; DEHYDROEPIANDROSTERONE-SULFATE ; SEX-HORMONE LEVELS ; prospective ; RISK-FACTOR ; CANCER-RISK ; MULTIETHNIC COHORT ; ANDROGEN ; BASE-LINE CHARACTERISTICS ; CAG REPEAT POLYMORPHISM ; COMMON VARIANT ; LINKAGE-DISEQUILIBRIUM ; NURSES HEALTH ; POLYGLUTAMINE TRACTS ; POSSIBLE MECHANISMS ; RECEPTOR GENE ; SET ; VITAMIN-D-RECEPTOR
    Abstract: Introduction Androgens have been hypothesised to influence risk of breast cancer through several possible mechanisms, including their conversion to estradiol or their binding to the oestrogen receptor and/ or androgen receptor ( AR) in the breast. Here, we report on the results of a large and comprehensive study of the association between genetic variation in the AR gene and risk of breast cancer in the National Cancer Institute Breast and Prostate Cancer Cohort Consortium ( BPC3). Methods The underlying genetic variation was determined by first sequencing the coding regions of the AR gene in a panel of 95 advanced breast cancer cases. Second, a dense set of markers from the public database was genotyped in a panel of 349 healthy women. The linkage disequilibrium relationships ( blocks) across the gene were then identified, and haplotypetagging single nucleotide polymorphisms ( htSNPs) were selected to capture the common genetic variation across the locus. The htSNPs were then genotyped in the nested breast cancer cases and controls from the Cancer Prevention Study II, European Prospective Investigation into Cancer and Nutrition, Multiethnic Cohort, Nurses' Health Study, and Women's Health Study cohorts ( 5,603 breast cancer cases and 7,480 controls). Results We found no association between any genetic variation ( SNP, haplotype, or the exon 1 CAG repeat) in the AR gene and risk of breast cancer, nor were any statistical interactions with known breast cancer risk factors observed. Conclusion Among postmenopausal Caucasian women, common variants of the AR gene are not associated with risk of breast cancer
    Type of Publication: Journal article published
    PubMed ID: 16987421
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  • 4
    Keywords: CANCER ; PROSTATE ; COMMON ; CT ; SUPPORT ; COHORT ; POPULATION ; RISK ; GENE ; ASSOCIATION ; LINKAGE ; polymorphism ; POLYMORPHISMS ; single nucleotide polymorphism ; SUSCEPTIBILITY ; ALPHA ; BREAST ; breast cancer ; BREAST-CANCER ; hormone ; ENCODES ; HEALTH ; WOMEN ; SNP ; MEN ; prostate cancer ; PROSTATE-CANCER ; LINE ; REGION ; LINKAGE DISEQUILIBRIUM ; POPULATIONS ; POSTMENOPAUSAL WOMEN ; SINGLE ; DEFICIENCY ; ONCOLOGY ; ASSOCIATIONS ; SNPs ; CANCER SUSCEPTIBILITY ; METAANALYSIS ; biomarker ; INTERVAL ; HAPLOTYPE ; HAPLOTYPES ; single-nucleotide ; USA ; HORMONES ; STEROID-HORMONES ; odds ratio ; cancer research ; MULTIETHNIC COHORT ; PREDICT ; steroids ; postmenopausal ; block ; HORMONE-LEVELS ; EXONS ; GENETIC-VARIATION ; ANDROGEN RECEPTOR GENE ; BRAZILIAN PATIENTS ; SERUM ANDROGENS
    Abstract: CYP17 encodes cytochrome p450c17 alpha, which mediates activities essential for the production of sex steroids. Common germ line variation in the CYP17 gene has been related to inconsistent results in breast and prostate cancer, with most studies focusing on the nonsynonymous single nucleotide polymorphism (SNP) T27C (rs743572). We comprehensively characterized variation in CYP17 by direct sequencing of exons followed by dense genotyping across the 58 kb region around CYP17 in five racial/ethnic populations. Two blocks of strong linkage disequilibrium were identified and nine haplotype-tagging SNPs, including T27C, were chosen to predict common haplotypes (R-h(2) 〉= 0.85). These haplotype-tagging SNPs were genotyped in 8,138 prostate cancer cases and 9,033 controls, and 5,333 breast cancer cases and 7,069 controls from the Breast and Prostate Cancer Cohort Consortium. We observed borderline significant associations with prostate cancer for rs2486758 [TC versus TT, odds ratios (OR), 1.07; 95% confidence intervals (95% Cl), 1.00-1.14; CC versus TT, OR, 1.09; 95% CI, 0.95-1.26; P trend = 0.04] and rs6892 (AG versus AA, OR, 1.08; 95% CI, 1.00-1.15; GG versus AA, OR, 1.11; 95% CI, 0.95-1.30; P trend = 0.03). We also observed marginally significant associations with breast cancer for rs4919687 (GA versus GG, OR, 1.04; 95% CI, 0.97-1.12, AA versus GG, OR, 1.17; 95% CI, 1.03-1.34; P trend = 0.03) and rs4919682 (CT versus CC, OR, 1.04; 95% CI, 0.97-1.12; TT versus CC, OR, 1.16; 95% CI, 1.01-1.33; P trend = 0.04). Common variation at CYP17 was not associated with circulating sex steroid hormones in men or postmenopausal women. Our findings do not support the hypothesis that common germ line variation in CYP17 makes a substantial contribution to postmenopausal breast or prostate cancer susceptibility
    Type of Publication: Journal article published
    PubMed ID: 18006912
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  • 5
    Keywords: CANCER ; PATHWAY ; PROSTATE ; COHORT ; RISK ; GENE ; GENES ; BIOLOGY ; MOLECULAR-BIOLOGY ; ASSOCIATION ; CANDIDATE GENE ; POLYMORPHISMS ; hormone ; genetics ; SNP ; MEN ; prostate cancer ; PROSTATE-CANCER ; CARRIERS ; molecular biology ; VARIANT ; SNPs ; CANDIDATE GENES ; LEVEL ; USA ; HORMONES ; TESTOSTERONE ; CIRCULATING LEVELS ; LOCI ; HORMONE-BINDING GLOBULIN ; SERUM ANDROGENS ; CONSORTIUM ; ESTROGEN-RECEPTOR-ALPHA ; sex hormone-binding globulin ; 3 ; Genetic ; genetic variation ; SEX-STEROID-HORMONES
    Abstract: Twin studies suggest a heritable component to circulating sex steroid hormones and sex hormone-binding globulin (SHBG). In the NCI-Breast and Prostate Cancer Cohort Consortium, 874 SNPs in 37 candidate genes in the sex steroid hormone pathway were examined in relation to circulating levels of SHBG (N = 4720), testosterone (N = 4678), 3 alpha-androstanediol-glucuronide (N = 4767) and 17 beta-estradiol (N = 2014) in Caucasian men. rs1799941 in SHBG is highly significantly associated with circulating levels of SHBG (P = 4.52 x 10(-21)), consistent with previous studies, and testosterone (P = 7.54 x 10(-15)), with mean difference of 26.9 and 14.3%, respectively, comparing wild-type to homozygous variant carriers. Further noteworthy novel findings were observed between SNPs in ESR1 with testosterone levels (rs722208, mean difference = 8.8%, P = 7.37 x 10(-6)) and SRD5A2 with 3 alpha-androstanediol-glucuronide (rs2208532, mean difference = 11.8%, P = 1.82 x 10(-6)). Genetic variation in genes in the sex steroid hormone pathway is associated with differences in circulating SHBG and sex steroid hormones
    Type of Publication: Journal article published
    PubMed ID: 19574343
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  • 6
    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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  • 7
    Keywords: CANCER ; POPULATION ; RISK ; GENE-EXPRESSION ; SUSCEPTIBILITY ; VARIANTS ; IDENTIFICATION ; METAANALYSIS ; LOCUS ; 8Q24 ; susceptibility loci ; GENOME-WIDE ASSOCIATION ; MULTIPLE LOCI ; HEPATOCYTE NUCLEAR FACTOR-1-BETA
    Abstract: Previous genome-wide association studies have identified two independent variants in HNF1B as susceptibility loci for prostate cancer risk. To fine-map common genetic variation in this region, we genotyped 79 single nucleotide polymorphisms (SNPs) in the 17q12 region harboring HNF1B in 10 272 prostate cancer cases and 9123 controls of European ancestry from 10 case-control studies as part of the Cancer Genetic Markers of Susceptibility (CGEMS) initiative. Ten SNPs were significantly related to prostate cancer risk at a genome-wide significance level of P 〈 5 x 10(-8) with the most significant association with rs4430796 (P = 1.62 x 10(-24)). However, risk within this first locus was not entirely explained by rs4430796. Although modestly correlated (r(2) = 0.64), rs7405696 was also associated with risk (P = 9.35 x 10(-23)) even after adjustment for rs4430769 (P = 0.007). As expected, rs11649743 was related to prostate cancer risk (P = 3.54 x 10(-8)); however, the association within this second locus was stronger for rs4794758 (P = 4.95 x 10(-10)), which explained all of the risk observed with rs11649743 when both SNPs were included in the same model (P = 0.32 for rs11649743; P = 0.002 for rs4794758). Sequential conditional analyses indicated that five SNPs (rs4430796, rs7405696, rs4794758, rs1016990 and rs3094509) together comprise the best model for risk in this region. This study demonstrates a complex relationship between variants in the HNF1B region and prostate cancer risk. Further studies are needed to investigate the biological basis of the association of variants in 17q12 with prostate cancer
    Type of Publication: Journal article published
    PubMed ID: 21576123
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  • 8
    Keywords: CANCER ; human ; PATHWAY ; PATHWAYS ; DISEASE ; EPIDEMIOLOGY ; POPULATION ; RISK ; GENE ; GENES ; TUMOR-NECROSIS-FACTOR ; ASSOCIATION ; polymorphism ; SUSCEPTIBILITY ; LYMPHOMA ; case-control studies ; INDIVIDUALS ; ALCOHOL-CONSUMPTION ; B-CELL LYMPHOMA ; FACTOR-ALPHA ; CYTOKINE ; case-control study ; case control studies ; single-nucleotide ; single-nucleotide polymorphism ; GENOTYPE DATA ; pooled analysis ; INTERLEUKIN-10 ; PROMOTER POLYMORPHISMS ; BIOLOGICAL IMPLICATIONS
    Abstract: Background Common genetic variants in immune and inflammatory response genes can affect the risk of developing non-Hodgkin lymphoma. We aimed to test this hypothesis using previously unpublished data from eight European, Canadian, and US case-control studies of the International Lymphoma Epidemiology Consortium (InterLymph). Methods We selected 12 single-nucleotide polymorphisms for analysis, on the basis of previous functional or association data, in nine genes that have important roles in lymphoid development, Th1/Th2 balance, and proinflammatory or anti-inflammatory pathways (IL1A, IL1RN, IL1B, IL2, IL6, IL10, TNF, LTA, and CARD15). Genotype data for one or more single-nucleotide polymorphisms were available for 3586 cases of non-Hodgkin lymphoma and for 4018 controls, and were assessed in a pooled analysis by use of a random-effects logistic regression model. Findings The tumour necrosis factor (TNF) -308G -〉 A polymorphism was associated with increased risk of nonHodgkin lymphoma (p for trend=0 . 005), particularly for diffuse large B-cell lymphoma, the main histological subtype (odds ratio 1 . 29 [95% CI 1 . 10-1 . 51] for GA and 1.65 [1 . 16-2 . 34] for AA, p for trend 〈 0 . 0001), but not for follicular lymphoma. The interleukin 10 (IL10) -3575T -〉 A polymorphism was also associated with increased risk of non-Hodgkin lymphoma (p for trend=0 . 02), again particularly for diffuse large B-cell lymphoma (p for trend=0 . 006). For individuals homozygous for the TNF -308A allele and carrying at least one IL 10 -3575A allele, risk of diffuse large B-cell lymphoma doubled (2 . 13 [1 . 37-3 . 32], p=0 . 00083). Interpretation Common polymorphisms in TNF and IL10, key cytokines for the inflammatory response and Th1/Th2 balance, could be susceptibility loci for non-Hodgkin lymphoma. Moreover, our results underscore the importance of consortia for investigating the genetic basis of chronic diseases like cancer
    Type of Publication: Journal article published
    PubMed ID: 16389181
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  • 9
    Keywords: CANCER ; PROSTATE ; COHORT ; RISK ; polymorphism ; POLYMORPHISMS ; BREAST ; breast cancer ; BREAST-CANCER ; prostate cancer ; PROSTATE-CANCER ; cancer risk ; LEVEL ; IGFBP3 ; CANCER-RISK ; IGFBP-3 ; PREDICT ; IGF1 ; breast cancer risk ; CONSORTIUM
    Type of Publication: Journal article published
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  • 10
    Keywords: RECEPTOR ; CANCER ; CELLS ; proliferation ; CELL ; MODEL ; MODELS ; PATHWAY ; PROSTATE ; THERAPY ; DIAGNOSIS ; COHORT ; HISTORY ; RISK ; GENE ; GENES ; PROTEIN ; PROTEINS ; FAMILY ; IMPACT ; INDEX ; CARCINOGENESIS ; BINDING ; ASSOCIATION ; polymorphism ; POLYMORPHISMS ; single nucleotide polymorphism ; BREAST ; breast cancer ; BREAST-CANCER ; NO ; STAGE ; PATTERNS ; family history ; WOMEN ; SNP ; prostate cancer ; PROSTATE-CANCER ; cancer risk ; REGION ; REGIONS ; LINKAGE DISEQUILIBRIUM ; BINDING-PROTEINS ; body mass index ; POSTMENOPAUSAL WOMEN ; BINDING PROTEIN ; ANIMAL-MODELS ; BODIES ; IGF-I ; REGRESSION ; FAMILIES ; PATTERN ; THERAPIES ; SINGLE NUCLEOTIDE POLYMORPHISMS ; SNPs ; LEVEL ; analysis ; HAPLOTYPE ; HAPLOTYPES ; MASS ; ANIMAL-MODEL ; IGFBP3 ; FAMILY-HISTORY ; CANCER-RISK ; animal ; IGFBP-3 ; PREDICT ; animal model ; BINDING PROTEINS ; postmenopausal ; block ; IGF1 ; modification ; body mass ; animal models ; breast cancer risk ; CONSORTIUM ; NUCLEOTIDE ; hormone therapy ; effect modification ; MENOPAUSAL STATUS
    Abstract: IGF-1 has been shown to promote proliferation of normal epithelial breast cells, and the IGF pathway has also been linked to mammary carcinogenesis in animal models. We comprehensively examined the association between common genetic variation in the IGF1, IGFBP1, and IGFBP3 genes in relation to circulating IGF-I and IGFBP-3 levels and breast cancer risk within the NCI Breast and Prostate Cancer Cohort Consortium (BPC3). This analysis included 6,912 breast cancer cases and 8,891 matched controls (n = 6,410 for circulating IGF-I and 6,275 for circulating IGFBP-3 analyses) comprised primarily of Caucasian women drawn from six large cohorts. Linkage disequilibrium and haplotype patterns were characterized in the regions surrounding IGF1 and the genes coding for two of its binding proteins, IGFBP1 and IGFBP3. In total, thirty haplotype-tagging single nucleotide polymorphisms (htSNP) were selected to provide high coverage of common haplotypes; the haplotype structure was defined across four haplotype blocks for IGF1 and three for IGFBP1 and IGFBP3. Specific IGF1 SNPs individually accounted for up to 5% change in circulating IGF-I levels and individual IGFBP3 SNPs were associated up to 12% change in circulating IGFBP-3 levels, but no associations were observed between these polymorphisms and breast cancer risk. Logistic regression analyses found no associations between breast cancer and any htSNPs or haplotypes in IGF1, IGFBP1, or IGFBP3. No effect modification was observed in analyses stratified by menopausal status, family history of breast cancer, body mass index, or postmenopausal hormone therapy, or for analyses stratified by stage at diagnosis or hormone receptor status. In summary, the impact of genetic variation in IGF1 and IGFBP3 on circulating IGF levels does not appear to substantially influence breast cancer risk substantially among primarily Caucasian postmenopausal women
    Type of Publication: Journal article published
    PubMed ID: 18596909
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