نتایج جستجو برای: human igg
تعداد نتایج: 1668481 فیلتر نتایج به سال:
The human placental transfer of maternal IgG is crucial for fetal and newborn immunity. Low-affinity immunoglobulin gamma Fc region receptor IIb2 (FCGR2B2 or FcγRIIb2) is exclusively expressed in an IgG-containing, vesicle-like organelle (the FCGR2B2 compartment) in human placental endothelial cells; thus, we hypothesized that the FCGR2B2 compartment functions as an IgG transporter. In this stu...
Treatment of covalently cross-linked or heat-aggregated oligomers of human IgG with 4 mMtetranitromethane abrogated their Clq-binding activity. In contrast, tetranitromethane modification of rabbit IgG oligomers, under identical conditions, had no effect upon their Clq-binding activity. The tetranitromethane treatment led to nitration of about ten tyrosine residues per IgG molecule in both spec...
The rheumatic disease autoantigen, Ro/SSA, was immunogenic to a rabbit host. The heteroimmune rabbit serum bound the Ro/SSA particle in immunoblots and in an ELISA. Both the rabbit anti-Ro/SSA and a human prototype anti-Ro/SSA serum also bound IgG; and moreover, IgG inhibited both rabbit and human anti-Ro/SSA activity. Anti-IgG activity of the rabbit and human anti-Ro/SSA sera bound Ro/SSA by W...
Real-time and label-free antibody screening systems are becoming more popular because of the increasing output of purified antibodies and antibody supernatant from many antibody discovery platforms. However, the properties of the biosensor can greatly affect the kinetic and epitope binning results generated by these label-free screening systems. ForteBio human-specific ProA, anti-human IgG quan...
Western blotting or immunoblotting commonly use for study of reaction between antigens and antibodies. Denaturation of many proteins in immunoblotting can affect greatly the reactivity of antibodies and outcome of the procedure. In this study proteins of Brucella abortus (S19) was extracted by a mild method and reaction of the extracted proteins with serum of infected&nbs...
IgG deposition at tissue sites characteristically leads to macrophage accumulation and organ injury. Although the mechanism by which deposited IgG induces tissue injury is not known, we have recently demonstrated that deposited IgG stimulates the release of IL-8 and monocyte chemoattractant protein-1 from normal human monocytes, which may drive inflammation. Since IgG also induces macrophage ac...
The role of advanced glycation end products (AGEs)–damaged immunoglobulin G (AGE-IgG) in type 1 diabetes has been investigated in the present study. IgG was isolated from the normal humans and was subjected to in vitro glycation with glucose. The AGEs caused extensive damaged to IgG. The AGE-IgG was found to be highly immunogenic in rabbits as compared to native IgG. The binding characteristics...
in endemic area the most challenging problem for brucellosis is to find a reliable diagnostic method. in this case-control study, we investigated the accuracy of elisa test for diagnosis of human brucellosis and determined the optimal cut-off value for elisa results in iran. the laboratory diagnosis of brucellosis was performed by blood isolation of brucella organism with a bactec 9240 system a...
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