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排序方式: 共有146条查询结果,搜索用时 15 毫秒
1.
Szakos E Lakos G Aleksza M Gyimesi E Páll G Fodor B Hunyadi J Sólyom E Sipka S 《Allergy》2004,59(2):164-167
BACKGROUND: As the literature has only controversial data on the role of nonallergen-specific antibodies in atopic eczema dermatitis syndrome, the authors investigated the link between the occurrence of the antiphospholipid [anticardiolipin (ACL), anti-beta2-glycoprotein I] and allergen-specific immunoglobulin E (IgE) antibodies in 72 children with atopic eczema/dermatitis syndrome (AEDS). METHODS: The measurement of antiphospholipid antibodies was carried out by enzyme-linked immunosorbent assay (ELISA), serum total IgE by nephelometry, and allergen-specific IgE by immunoblotting assay. The statistical analysis was carried out by Fisher's exact test and odds ratio was calculated. RESULTS: Thirteen of 72 children with AEDS (mean age 8.3 years) had elevated serum levels of ACL, and eight anti-beta2-glycoprotein I antibodies. The presence of allergen-specific IgE against inhalant allergens and nutritive allergens was among eight of 13 and three of eight in the cases with elevated ACL. The ratio of patients with highly increased severity scoring of atopic dermatitis (SCORAD) index (>75) was significantly higher in the group with elevated (4/13) than in those with the normal ACL levels (2/59). There was a significant association between the appearance of mite (Dermatophagoides pteronyssinus, D. farinae)-specific IgE and ACL IgM antibodies (6/13). CONCLUSION: These findings show that there are significant linkage and association between the appearance of ACL IgM or the production of allergen-specific IgE against inhalant (mainly mite) allergens in children with atopic eczema/dermatitis syndrome. 相似文献
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The thyroid gland is often injured by supradiaphragmatic irradiation for Hodgkin's lymphoma. The aim of the present study was to examine whether the parathyroid gland gets injured by the treatment for Hodgkin's disease. Calcium, phosphorus and parathormone levels of 143 patients with primary treatment for Hodgkin's disease and in complete remission for 2 years were measured as well as the presence of antiparathyroid antibody in patients having antithyroid antibody. Out of the 143 patients studied, 104 received neck irradiation (with or without chemotherapy); among them laboratory alterations were observed in 7 cases. 39 patients received only chemotherapy; 3 of them had alterations. In contrast to the injury of the thyroid gland, no damage to the parathyroid glands associated with the treatment for Hodgkin's disease was noted. It has been concluded that the use of high-dose external radiotherapy does not mean a higher risk as regards the parathyroid gland but further follow-up studies of the patients may result in the revelation of the development of parathyroid lesions. 相似文献
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Lakos G Soós L Fekete A Szabó Z Zeher M Horváth IF Dankó K Kapitány A Gyetvai A Szegedi G Szekanecz Z 《Clinical and experimental rheumatology》2008,26(2):253-260
OBJECTIVE: Anti-cyclic citrullinated peptide (anti-CCP) antibodies of IgG isotype are specific diagnostic markers of rheumatoid arthritis (RA). Recent evidence also points to their direct involvement in the pathophysiology. Little information is available, however, regarding the isotype distribution of anti-CCP antibodies and the characteristics of IgA and IgM anti-CCP. METHODS: IgG, IgA and IgM anti-CCP2 and rheumatoid factor (RF) levels were measured in the sera of 119 RA patients and 118 controls, including patients with other rheumatic diseases and healthy subjects. We analyzed the diagnostic performance of IgA and IgM anti-CCP2 antibodies and their relationship with IgG anti-CCP2, RFs, disease duration and the presence of HLA-DRB1 shared epitope (SE) alleles. RESULTS: Patients with RA had significantly higher serum IgA and IgM anti-CCP2 antibody levels than healthy subjects and patients with other rheumatic diseases (p<0.0001). IgG, IgA and IgM anti-CCP2 antibodies were present in 74.8%, 52.9% and 44.5% of RA patients, and their diagnostic specificity was 95.8%, 95.8% and 91.6%, respectively. The presence of anti-CCP2 antibodies was significantly associated with SE alleles (p=0.03). The frequency of IgM anti-CCP2 positivity was lower in longstanding disease compared to early RA (p=0.03). CONCLUSION: IgA and IgM anti-CCP2 antibodies are present in RA patients, and they are similarly specific for RA as IgG anti-CCP2. The higher frequency of IgM anti-CCP2 antibodies in early RA suggests that they are mostly generated during the first phase of immune response; nonetheless, their production seems to be sustained in some patients. Further analysis of IgM and IgA anti-CCP2 antibodies may provide insights into the pathogenesis of RA. 相似文献
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Fodor B Ladányi E Aleksza M Takács M Lakos G Arkossy O Koós A Nagy A Széll J Klenk N Sárváry E Sipka S 《Nephron》2002,92(4):933-937
AIM: We aimed to examine the distribution and activation of peripheral T cells in TTV positive (n = 32) and negative (n = 17) hemodialyzed patients. The control group (n = 20) consisted of healthy blood donors. METHOD: TTV-DNA was detected by seminested PCR. CD3, CD4, CD8, CD19, CD56, CD3/HLA-DR, CD3/CD69 and the Th1/Th2 ratio of T cells were analyzed by flow cytometry. Circulating IFN-gamma, IL-2, IL-4, IL-6, IL-10, IL-13, TNF-alpha, TGF-beta levels were measured by ELISA in the sera. RESULTS: There was no difference between the CD3, CD4, CD8 and CD19 values of HD subjects. In addition, the expression of both activation markers, HLA-DR and CD69, was significantly elevated in the TTV-positive and -negative HD groups compared to the controls, but not showing any difference from each other. The measurements of intracellular cytokines showed the enhanced occurrence of INF-gamma + CD4 T cells, and decreased appearance of IL-4 + CD4 lymphocytes in the HD groups without any significant difference between the TTV virus positive and negative patients. In addition, HD also elevated the expression of IL-10 in CD4 and CD8 (Th2) cells. There were only two significant changes in the levels of circulating cytokines: (a) IL-2 increased; (b) IL-13 decreased in both groups of HD patients compared to the controls, independently of TTV positivity or negativity. CONCLUSIONS: We assume that transfusion-transmitted virus does not cause any specific change in the distribution and activation of lymphocytes in the peripheral blood of hemodialyzed patients. Hemodialysis itself, however, results in a significant activation of peripheral T cells with the domination of increased production of Th1 type cytokines, IFN-gamma, IL-2, in contrast to the decreased synthesis of Th2 type cytokines, IL-4 and IL-13. Furthermore, the increased expression of IL-10 in the CD4 and CD8 cells of HD patients can be the sign of a contraregulatory Th2 activation as an answer on the Th1 effect. 相似文献
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Tarján P Sipka S Maródi L Nemes E Lakos G Gyimesi E Kiss E Ujj G Szegedi G 《Scandinavian journal of rheumatology》2002,31(4):211-215
OBJECTIVE: to investigate the early immunological effects of Pneumococcus vaccination in SLE patients and healthy controls. METHODS: First-four-week follow-up of 18 patients and 9 healthy controls by repeated measurements of anti-nuclear antibodies, anti-dsDNA, C-reactive protein, complement factor 3 (C3) and 4 (C4), total IgG, IgA and IgM. Specific antibody response, percentage of blood lymphocyte populations and whole blood chemiluminescence measurements were carried out in six patients and six controls. RESULTS: No disease flare was detected in the vaccinated patients. all side effects were mild. The concentrations of serum IgG, IgA, C3 and C4 decreased significantly, but still remained within the normal range. The other changes were statistically non-significant. The specific antibody responses to 6B and 23F Pneumococcus serotypes showed striking individual differences. CONCLUSION: There was no short-term immunological effect of Pneumococcus vaccination in the patients with SLE. The non-responders. without any sign of disease activation should possibly be given more immunogenic, new vaccines to avoid life-threatening Pneumococcus infections. 相似文献
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The risk of thromboembolism during oral contraceptive (OC) use is increased among factor V Leiden (FVL) carriers compared to women with wild-type genotype of the gene for coagulation factor V (FV). The carrier frequency in the general population is too high for FVL alone to be responsible for the reported association. Additional risk factors may be required to explain the increased risk of thromboembolism of carriers during OC use. We conducted a case-control study to compare the titer of anti-beta2-glycoprotein I immunoglobulin G (IgG) and the frequency of elevated titer of IgG type anti-beta2-glycoprotein I antibody between FVL carriers and individuals with FV wild-type genotype with and without pill use. An asymptomatic population of 313 unrelated nonpregnant women were screened for FVL and for the presence of anti-beta2-glycoprotein I IgG antibody. Sixty-six women were FVL carriers and 247 had normal genotype. One-hundred and thirty-five women used OC at the time of screening and 178 did not. Among FVL carriers, OC pill users had a higher mean anti-beta2-glycoprotein I IgG titer than nonusers (9.2 SGU/mL vs. 4.7 SGU/mL, p = 0.0485). Among women with FV wild-type genotype, there was no significant difference in anti-beta2-glycoprotein I IgG titers between users and nonusers of OCs (6.4 SGU/mL and 6.0 SGU/mL, respectively; p = 0.7010). The odds of an elevated anti-beta2-glycoprotein I IgG titer during OC use in FVL heterozygous women was 2.41 (95% confidence interval: 0.79-7.39) relative to users with-type genotype. FVL may contribute to the development of elevated titer of IgG type anti-beta2-glycoprotein I antibody during OC use. The elevated titer of IgG type anti-beta2-glycoprotein I antibody may select women among FVL carriers during OC use with an increased risk of thromboembolism. 相似文献
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