Search results for: goat serum against chicken IgG Fab
#25638373 // To Up
Effect of chicken antibodies on inflammation in human lung epithelial cell lines.
As an alternative therapeutic approach for the prevention and treatment of bacterial infections with P. aeruginosa of cystic fibrosis (CF) patients, chicken yolk antibodies (IgY) could be used. The most significant advantage of IgY, in contrast to mammalian IgG, consists in the fact, that when bound to the antigen, they usually do not induce inflammatory reaction. In addition, the simplicity of egg production and the ease of IgY preparation makes this kind of antibody an excellent tool for passive immunization. Thus, the aim of our project was to study the effect of IgY and its Fab fragment on the potential induction of pro-inflammatory reactions in lung epithelial cells.Bozena Kubickova, Barbora Majerova, Jana Hadrabova, Libuse Noskova, Marie Stiborova, Petr Hodek
1489 related Products with: Effect of chicken antibodies on inflammation in human lung epithelial cell lines.
4 Membranes/Box25 TESTS4 Membranes/Box25 4 Membranes/Box100 μg4 Arrays/Slide100 μg100 μg100 μg1000 100 μgRelated Pathways
#670706 // To Up
Kinetic assessment of alternative complement pathway activity in a hemolytic system. II. Influence of antibody on alternative pathway activation.
By using a kinetic assay, we have examined the role of antibody in the lysis of rabbit erythrocytes (RaRBC) through the alternative complement (C) pathway. Sera from some hypogammaglobulinemic (Hgamma) humans and all agammaglobulinemic chickens tested had subnormal activity in the assay. Heated normal human or chicken sera, but not heated Hgamma sera, restored activity to deficient Hgamma serum and initiated hemolysis in the presence of rabbit serum as C source. Absorption of heated normal human serum with RaRBC, but not with sheep erythrocytes or zymosan, removed its ability to reconstitute deficient Hgamma serum. Normal hemolytic activity could be resotred to Hgamma serum with human IgM, IgG, or colostral IgA, with goat anti-RaRBC IgG, or with an eluate from serum-sensitized RaRBC, but not with myeloma IgA. Restoration of hemolytic activity to Hgamma serum could be achieved in a dose-dependent fashion with the F(ab')2 fragment of IgG. These results suggest that antibody exerts a significant rate-limiting effect on alternative pathway activity in the RaRBC lytic system. This raises the possibility that antibody may be required for efficient alternative pathway activity in vivo and that the pyogenic infections that occur in Hgamma individuals are due to inefficient activation and fixation of C3 through either the classical or alternative pathway.R B Polhill, S L Newman, K M Pruitt, R B Johnston
1798 related Products with: Kinetic assessment of alternative complement pathway activity in a hemolytic system. II. Influence of antibody on alternative pathway activation.
2 Pieces/Box2 Pieces/Box2 Pieces/Box2 Pieces/Box100ug2 Pieces/Box2 Pieces/Box2 Pieces/Box2 Pieces/Box2 Pieces/Box2 Pieces/Box2 Pieces/BoxRelated Pathways
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