نتایج جستجو برای: immunoglobulin igg
تعداد نتایج: 93281 فیلتر نتایج به سال:
Abstract Our objective was to estimate the diagnostic accuracy of real-time polymerase chain reaction (RT-PCR) and lateral flow immunoassay (LFIA) tests for coronavirus disease 2019 (COVID-19), depending on time after symptom onset. Based cross-classified results RT-PCR LFIA, we used Bayesian latent-class models, which do not require a gold standard evaluation diagnostics. Data were extracted f...
BACKGROUND Many individuals have serum antibodies against Clostridium difficile toxins. Those with an impaired antitoxin response may be susceptible to recurrent, prolonged, or severe C difficile diarrhoea and colitis. AIMS To examine whether treatment with intravenous immunoglobulin might be effective in patients with severe pseudomembranous colitis unresponsive to standard antimicrobial the...
Monoclonal gammopathies are B cell neoplasms that are characterized by the presence of monoclonal immunoglobulins (M-proteins) in the serum. By an unknown mechanism, the normal polyclonal immunoglobulin levels are frequently reduced in sera of these patients. To assess the role of M-protein isotype in this effect, we used serum protein electrophoresis to quantitate monoclonal and polyclonal imm...
Background—Many individuals have serum antibodies against Clostridium difficile toxins. Those with an impaired antitoxin response may be susceptible to recurrent, prolonged, or severe C diYcile diarrhoea and colitis. Aims—To examine whether treatment with intravenous immunoglobulin might be eVective in patients with severe pseudomembranous colitis unresponsive to standard antimicrobial therapy....
Serum of 37 brain tumour patients was studied for, Total protein, Protein electrophoresis, IgG, IgA, and IgM in an attempt to ascertain humoral immune response. Findings were compared with 20 healthy subjects, matched for age, sex and socioeconomic status. There was significant rise in alpha-II globulin, while IgG was suppressed in tumour patients. Decrease of IgG was more marked in patients wi...
BACKGROUND Rituximab is a B cell depleting anti-CD20 monoclonal antibody. CD20 is not expressed on mature plasma cells and accordingly rituximab does not have immediate effects on immunoglobulin levels. However, after rituximab some patients develop hypogammaglobulinaemia. METHODS We performed a single centre retrospective review of 177 patients with multisystem autoimmune disease receiving r...
This study was undertaken to determine humoral immune response to the presence of anti-immunoglobulin antibodies in children with newly diagnosed type 1 diabetes mellitus, using as a target cow immunoglobulins, in an attempt to elucidate further complex immuno-pathogenetic interactions of the disease. Serum immunoglobulin G (IgG) concentrations were measured by ELISA in 30 children with type 1 ...
Of 137 Staphylococcus aureus strains, 87 agglutinated in normal rabbit serum. The agglutination was shown to be caused by the Fc-part of immunoglobulin G (IgG). F(ab(1))(2)-fragments of IgG and immunoglobulin M (IgM) in corresponding concentrations were unreactive. The agglutinating strains had a high or moderate content of protein A. Strains with a low content of protein A and protein A-negati...
The posters presented at the Sixth International Immunoglobulin Symposium covered a wide range of fields and included both basic science and clinical research. From the abstracts accepted for poster presentation, 12 abstracts were selected for oral presentations in three parallel sessions on immunodeficiencies, autoimmunity and basic research. The immunodeficiency presentations dealt with novel...
Abstract We present a wireless quartz crystal microbalance (QCM) biosensor fabricated using MEMS technology. The QCM contains 125 MHz AT-cut resonator embedded in the microchannel. Because of compact design, is suitable for mass production and device miniaturization. performed immunoglobulin G (IgG) detection measurements with different concentrations IgG. limit was 1 ng ml –1 or less, which su...
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