نتایج جستجو برای: somatic antigens
تعداد نتایج: 157498 فیلتر نتایج به سال:
This study was undertaken to characterize the properties of a 100 kDa somatic antigen from Metagonimus yokogawai. Monoclonal antibodies (mAbs) were produced against this 100 kDa antigen, and their immunoreactivity was assessed by western blot analysis with patients' sera. The mAbs against the 100 kDa antigen commonly reacted with various kinds of trematode antigens, including intestinal (Gymnop...
Anti-Aspergillus IgG antibodies are important biomarkers for the diagnosis of chronic pulmonary aspergillosis (CPA) and allergic bronchopulmonary aspergillosis (ABPA). We compared the performance of a new commercial enzyme immunoassay (EIA) (Bordier Affinity Products) with that of the Bio-Rad and Virion\Serion EIAs. This assay is novel in its association of two recombinant antigens with somatic...
IgE antibodies with high affinity for their antigens can be stably cross-linked at low concentrations by trace amounts of antigen, whereas IgE antibodies with low affinity bind their antigens weakly. In this study, we find that there are two distinct pathways to generate high and low affinity IgE. High affinity IgE is generated through sequential class switching (μ→γ→ε) in which an intermediary...
Activation of cancer promoting genes or silencing of tumour suppressors is often due to aberrant expression of transcription factors or transcriptional regulators; interestingly, the expression of many of these transcriptional regulators is usually restricted to male germ cells (Rousseaux et al, 2013; Simpson et al, 2005). The similarities between germ cell development and cancer have long been...
(CBA/N X BALB/c male)F1 mice bear on X-linked defect making them totally unresponsive to T-independent (TI), TI-2 antigens such as type III pneumococcal polysaccharide (SSS-III). We found that somatic cell hybrids between CB nonresponder spleen cells and NS1 plasmacytoma cells secreted antibody specific for SSS-III. The solid-phase binding of such antibody was completely inhibited by the additi...
Reich, C. V. (Pennsylvania State University, University Park), C. E. Heist, and H. W. Dunne. Agglutinin-adsorption analysis of Vibrio fetus. J. Bacteriol. 82:210-214. 1961.-All pathogenic strains of Vibrio fetus are apparently members of a single serotype. Within this broad grouping, it was possible to define the relationship of certain selected strains by a system of complete reciprocal adsorp...
Follicular lymphoma is a monoclonal B-cell malignancy with each patient's tumor expressing a unique cell surface immunoglobulin (Ig), or B-cell receptor (BCR), that can potentially recognize antigens and/or transduce signals into the tumor cell. Here we evaluated the reactivity of tumor derived Igs for human tissue antigens. Self-reactivity was observed in 26% of tumor Igs (25 of 98). For one f...
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