نتایج جستجو برای: chicken antibodies
تعداد نتایج: 196604 فیلتر نتایج به سال:
Enterotoxigenic Escherichia coli K99 is one of the dominant pathogens associated with diarrhea of calves. Immunoglobulin Y (IgY), has been used as an inexpensive alternative to antibiotics for the prevention and therapy of several bacterial infections. The study aimed to prepare IgY antibodies against E. coli K99 and to investigate its in vitro effectiveness. E. c...
The measurement of chicken and human antibodies to Clostridium botulinum neurotoxins A, B, and E was accomplished by affinity isolation of complexes containing these antibodies. By this approach, a mixture of toxin with the test antibody, fluoresceinated antibody, and enzyme (Russell's viper venom factor X activator)-labeled antibody is allowed to form a complex in solution phase. This complex ...
Infectious bursal disease virus (IBDV) is the causative agent of Gumboro disease, an infectious disease of global economic importance in poultry. The expression of heterologous proteins in P.pastoris is fast, simple and inexpensive. In this study, VP2 encoding gene of classical D78 IBDV was amplified using reverse transcription (RT) polymerase chain reaction (PCR) and cloned into pPICZαA vector...
infectious bursal disease virus (ibdv) is the causative agent of gumboro disease, an infectious disease of global economic importance in poultry. the expression of heterologous proteins in p.pastoris is fast, simple and inexpensive. in this study, vp2 encoding gene of classical d78 ibdv was amplified using reverse transcription (rt) polymerase chain reaction (pcr) and cloned into ppiczαa vector...
Antibody technologies are the most representative success-case in biopharmaceutical industry. Widely available purification fail providing a dedicated universal platform that can accommodate antibodies structural diversity, namely from non-human sources, as chicken IgY, and antigen-binding fragments. In this work, we took inspiration natural engineered antibody-binding ligands, to rationally de...
Antibodies against a large and a small DNA polymerase isolated from chicken embryos and against avian myeloblastosis virus DNA polymerase were used to study the serological relationships of the DNA polymerase activities of three avian systems with RNA and a DNA polymerase-avian leukosis-sarcoma viruses, reticuloendotheliosis viruses, and a fraction from uninfected chicken cells. The DNA polymer...
Immunological reagents for wild, non-model species are limited or often non-existent for many species.In this study, we compare the reactivity of a new anti-passerine IgY secondary antibody with existing secondary antibodies developed for use with birds. Samples from 41 species from the following six avian orders were analysed: Anseriformes (1 family, 1 species), Columbiformes (1 family, 2 spec...
Immunological Specificity of Material Sedimentable at High Speed Present in Normal and Tumor Tissues
Materials sedimentable at high speed (approximately 27,000 R.P.M.) were found in all normal and neoplastic tissues studied. They are carriers of the Forssman antigen and of the Wassermann hapten. These heavy materials exhibit species, organ, and individual specificity and produce several antibodies which can be demonstrated by absorption tests. Heavy materials from chicken sarcoma and chicken s...
Monoclonal antibodies directed against Mycoplasma pneumoniae surface components were examined for their ability to block mycoplasma attachment to chicken erythrocytes. Purified preparations of antibodies which recognize the major mycoplasma ligand mediating cytadherence (protein P1, 165 kilodaltons) inhibited attachment by more than 85% of the control values. Monoclonal antibodies reactive with...
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