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- Palikhe, A, et al.
(författare)
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Lymphotoxin alpha LTA+496C allele is a risk factor for periodontitis in patients with coronary artery disease.
- 2008
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Ingår i: Tissue Antigens. - : Wiley. - 0001-2815 .- 1399-0039. ; 71:6, s. 530-7
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Tidskriftsartikel (refereegranskat)abstract
- Periodontitis and coronary artery disease (CAD) are inflammatory diseases and associated with each other. The major histocompatibility complex (MHC) region carries genes involved in immune response and inflammation. We investigated whether the MHC genes correlate with the presence of periodontitis or with the occurrence of periodontal pathogens in patients with CAD. Blood and saliva samples from CAD patients (n = 106) were collected at the time of hospitalization. Nine MHC genetic markers [human leukocyte antigen (HLA)-A, HLA-B, HLA-DRB1, lymphotoxin alpha (LTA) +253(a/g), +496(C/T), +633(c/g), +724(C/A), C4A and C4B)] were typed. Based on panoramic tomography, patients were categorized into nonperiodontitis and periodontitis groups. Two major periodontal pathogens, Aggregatibacter (Actinobacillus) actinomycetemcomitans and Porphyromonas gingivalis, were cultivated and polymerase chain reaction-amplified from salivary samples. Serum immunoglobulin (Ig)A and IgG antibody levels to these pathogens were measured. In the univariate analysis, LTA+496C allele (OR = 5.29; 95% CI = 2.07-13.51, P = 0.00027), and the occurrence of P. gingivalis in saliva (OR = 4.74; 95% CI = 1.64-13.70; P = 0.002) were more frequent in periodontitis when compared with nonperiodontitis. Similarly, serum IgA antibody level against the pathogen was increased in periodontitis (P = 0.048). In the multiple logistic regression analysis, when a wide range of covariates was included, the LTA+496C allele (OR = 10.87; 95% CI = 3.23-36.60; P = 0.00012) and the elevated serum IgA antibody level against P. gingivalis (OR = 1.56; 95% CI = 1.05-2.30; P = 0.026) remained as significant risk factors for periodontitis. In conclusion, the major finding of this study is that the LTA+496C allele is associated with periodontitis in patients with CAD.
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| 2. |
- Crawley, C, et al.
(författare)
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Outcomes for reduced-intensity allogeneic transplantation for multiple myeloma: an analysis of prognostic factors from the Chronic Leukaemia Working Party of the EBMT
- 2005
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Ingår i: Blood. - : American Society of Hematology. - 1528-0020 .- 0006-4971. ; 105:11, s. 4532-4539
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Tidskriftsartikel (refereegranskat)abstract
- We report the outcome of 229 patients who received an allograft for myeloma with reduced-intensity conditioning (RIC) regimens from 33 centers within the European Group for Blood and Marrow Transplantation (EBMT). The median age was 52 years and 64% were male. Conditioning regimens were heterogeneous, but most were fludarabine based and T cell depleted with antithymocyte globulin or alemtuzumab. Transplantation-related mortality (TRIM) at 1 year was 22%. The 3-year overall survival (OS) and progression-free survival (PFS) were 41% and 21 %, respectively. Adverse OS was associated with chemoresistant disease (relative risk [RR], 2.9), more than 1 prior transplantation (RR, 2.0), and male patients with female donors (FIR, 1.45). Adverse PFS was associated with chemoresistance (RR, 2.4) and alemtuzumab (RR, 1.8). TRM was increased with female-to-male donation (RR, 2.5) and transplantation more than 1 year from diagnosis (RR, 2.3). Grades II to IV acute graft-versus-host disease (aGvHD) occurred in 31%. Chronic GvHD was associated with better OS and PFS and were 84% and 46% for limited, 58% and 30% for extensive, and 29% and 12% in its absence suggesting that a graft-versus-myeloma effect is important. While RIC is feasible, heavily pretreated patients and patients with progressive disease do not benefit.
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