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  • 1
    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 We aimed to test this hypothesis using previously unpublished data from eight European, Canadian, and US case-control studies of the International Lymphoma Epidemiology Consortium (InterLymph).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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  • 2
    Keywords: CANCER ; CELLS ; DISEASE ; EPIDEMIOLOGY ; RISK ; INFECTION ; ASSOCIATION ; LYMPHOMA ; EPSTEIN-BARR-VIRUS ; serology ; BLOOD-DONORS ; human herpes virus 8 ; HUMAN-HERPESVIRUS-8 SEROPREVALENCE ; Kaposi's sarcoma-associated herpes virus
    Abstract: BACKGROUND: Kaposi's sarcoma-associated herpes virus is associated with primary effusion lymphoma and multicentric Castleman's disease. METHODS: Seropositivity to lytic and latent Kaposi's sarcoma herpes virus (KSHV) antigens were examined in 2083 lymphomas and 2013 controls from six European countries. RESULTS: Antibodies against KSHV latent and lytic antigens were detectable in 4.5% and 3.4% of controls, respectively, and 3.6% of cases (P〉0.05). The KSHV seropositivity was associated with splenic marginal zone lymphoma (SMZL) (odds ratio (OR)=4.11, 95% confidence interval (CI)=1.57-10.83) and multiple myeloma (OR=0.31, 95% CI=0.11-0.85). CONCLUSION: The KSHV is unlikely to contribute importantly to lymphomagenesis among immunocompetent subjects. However, the observed association with SMZL may underline a chronic antigen mechanism in its aetiology.
    Type of Publication: Journal article published
    PubMed ID: 21952625
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  • 3
    Keywords: Germany ; human ; MODEL ; EXPOSURE ; HEPATOCELLULAR-CARCINOMA ; HISTORY ; RISK ; RNA ; INFECTION ; FAMILY ; T cell ; T-CELL ; ASSOCIATION ; POLYMORPHISMS ; virus ; LYMPHOMA ; MALIGNANCIES ; AGE ; family history ; etiology ; COUNTRIES ; leukemia ; PATHOGENESIS ; REPLICATION ; case-control studies ; INDIVIDUALS ; PREVALENCE ; INTERVIEW ; MULTICENTER ; B-CELL LYMPHOMA ; immunoassay ; NON-HODGKINS-LYMPHOMA ; SERUM ; MALIGNANCY ; case-control study ; RE ; FAMILIES ; VIRUS-INFECTION ; LYMPHOPROLIFERATIVE DISORDERS ; MIXED CRYOGLOBULINEMIA ; METAANALYSIS ; case control studies ; INTERVAL ; ENZYME ; SUBTYPES ; LYMPHOMAS ; SIZE ; FAMILY-HISTORY ; EUROPEAN COUNTRIES ; odds ratio ; B-CELL ; EXPOSURES ; MULTICENTER CASE-CONTROL ; RARE ; SAMPLE-SIZE ; HCV INFECTION
    Abstract: Background & Aims: Increasing evidence points toward a role of hepatitis C virus (HCV) infection in the etiology of malignant lymphomas. However, previous epidemiologic studies were limited in size to establish an association between HCV infection and specific lymphoma subtypes. We performed a large, multicenter, case-control study to address this question. Methods: The study comprised 5 European countries and included newly diagnosed cases of any lymphoid malignancy recruited between 1998 and 2004. Controls were matched to cases by 5-year age group, sex, and study center. In-person interviews were conducted to collect data on demographic, medical, and family history as well as environmental exposures. Serum samples of 1807 cases and 1788 controls (excluding human immunodeficiency virus-positive and organ-transplantation subjects) were screened for HCV infection using an enzyme immunoassay. Positive as well as randomly selected negative samples were subjected to HCV RNA detection and HCV genotyping. Results: HCV infection was detected in 53 (2.9%) lymphoma cases and in 41 (2.3%) control subjects (odds ratio [OR], 1.42; 95% confidence interval [CI]: 0.93-2.15). Restricted to individuals who tested positive for HCV-RNA (indicating persistent infection and active viral replication), the OR was 1.82 (95% CI: 1.13-2.91). In subtype-specific analyses, HCV prevalence was associated with diffuse large B-cell lymphoma (OR, 2.19; 95% CI: 1.23-3.91) but not with chronic lymphocytic leukemia or follicular, Hodgkin's, or T-cell lymphoma. The sample size was not sufficient to derive any conclusions for rare lymphoma entities such as splenic marginal zone lymphoma. Conclusions: These results support a model that chronic HCV replication contributes to lymphomagenesis and establish a specific role of HCV infection in the pathogenesis of diffuse large B-cell lymphoma
    Type of Publication: Journal article published
    PubMed ID: 17087949
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  • 4
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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