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- McMaster, ML, et al.
(författare)
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Two high-risk susceptibility loci at 6p25.3 and 14q32.13 for Waldenström macroglobulinemia
- 2018
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Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 9:1, s. 4182-
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Tidskriftsartikel (refereegranskat)abstract
- Waldenström macroglobulinemia (WM)/lymphoplasmacytic lymphoma (LPL) is a rare, chronic B-cell lymphoma with high heritability. We conduct a two-stage genome-wide association study of WM/LPL in 530 unrelated cases and 4362 controls of European ancestry and identify two high-risk loci associated with WM/LPL at 6p25.3 (rs116446171, near EXOC2 and IRF4; OR = 21.14, 95% CI: 14.40–31.03, P = 1.36 × 10−54) and 14q32.13 (rs117410836, near TCL1; OR = 4.90, 95% CI: 3.45–6.96, P = 8.75 × 10−19). Both risk alleles are observed at a low frequency among controls (~2–3%) and occur in excess in affected cases within families. In silico data suggest that rs116446171 may have functional importance, and in functional studies, we demonstrate increased reporter transcription and proliferation in cells transduced with the 6p25.3 risk allele. Although further studies are needed to fully elucidate underlying biological mechanisms, together these loci explain 4% of the familial risk and provide insights into genetic susceptibility to this malignancy.
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| 5. |
- Landgren, O, et al.
(författare)
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Autoimmunity and Hodgkin lymphoma
- 2007
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Ingår i: HAEMATOLOGICA-THE HEMATOLOGY JOURNAL. - 0390-6078. ; 92, s. 11-11
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 6. |
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| 7. |
- Landgren, O, et al.
(författare)
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Patterns of autoimmunity and subsequent chronic lymphocytic leukemia in Nordic countries
- 2006
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Ingår i: Blood. - : American Society of Hematology. - 0006-4971 .- 1528-0020. ; 108:1, s. 292-296
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Tidskriftsartikel (refereegranskat)abstract
- A population-based case-control study was conducted to evaluate risk of developing chronic lymphocytic leukemia (CLL) associated with personal and/or family history of autoimmune and related diseases. Data were obtained for all (n = 7764) patients diagnosed with CLL in Sweden and Denmark over a 40-year period and with linkable relatives, 16 658 matched control subjects, and first-degree relatives of patients (n = 17 991) and control subjects (n = 39 388). Odds ratios (ORs) were calculated to quantify risk of CLL in relation to personal/family history of 32 autoimmune and related disorders. The risk of CLL was significantly increased among subjects with a personal history of pernicious anemia (OR = 1.94; 1.18-3.18), mainly in the 0- to 1-year latency period. A significantly decreased risk of CLL was found among individuals with a personal history of chronic rheumatic heart disease (OR = 0.55; 0.33-0.93), particularly persons with a long latency (10+ years) between the 2 conditions. We found no association between personal or familial occurrence of other autoimmune or related disorders and CLL. If our results are confirmed, mechanistic studies examining how pernicious anemia might promote increased occurrence of CLL and how chronic rheumatic heart disease protects against CLL, perhaps related to long-term antibiotics use, may provide insights to the as-yet-unknown etiology of CLL. (Blood. 2006;108:292-296)
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| 9. |
- Landgren, O, et al.
(författare)
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Risk of monoclonal gammopathy of undetermined significance (MGUS) and subsequent multiple myeloma among African American and white veterans in the United States
- 2006
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Ingår i: Blood. - : American Society of Hematology. - 1528-0020 .- 0006-4971. ; 107:3, s. 904-906
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Tidskriftsartikel (refereegranskat)abstract
- The age-adjusted incidence of multiple myeloma (MM) is 2-fold higher in African Americans than in whites. A few small studies have reported a higher prevalence of monoclonal gammopathy of undetermined significance (MGUS) in African Americans versus whites. Etiologic factors for MGUS and determinants for transformation of MGUS to MM are unknown. We quantified the prevalence of MGUS and subsequent risk of MM among 4 million African American and white male veterans admitted to Veterans Affairs (VA) hospitals. The age-adjusted prevalence ratio of MGUS in African Americans compared with whites was 3.0 (2.7-3.3 95% confidence interval). Among 2046 MGUS cases, the estimated cumulative risk of MM during the first 10 years of follow-up was similar (P = .37) for African Americans (17%) and whites (15%). In the largest study to date, we suggest that the excess risk of MM in African Americans results from an increase in risk of MGUS rather than an increased risk of progression from MGUS to MM.
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