نتایج جستجو برای: single chain antibody
تعداد نتایج: 1279817 فیلتر نتایج به سال:
Hybridomas, fusions of primary mouse B cells and myelomas, are stable, rapidly-proliferating cell lines widely utilized for antibody screening and production. Antibody specificity of a hybridoma clone is determined by the immunoglobulin sequence of the primary B cell. Here we report a platform for rapid reprogramming of hybridoma antibody specificity by immunogenomic engineering. Here we use CR...
BACKGROUND Antibody fragments selected from large combinatorial libraries have numerous applications in diagnosis and therapy. Most existing antibody repertoires are derived from human immunoglobulin genes. Genes from other species can, however, also be used. Because of the way in which gene conversion introduces diversity, the naïve antibody repertoire of the chicken can easily be accessed usi...
diphtheria is a fatal disease caused by exotoxin of corynebacterium diphtheria . this toxin consists of two chains, catalytic chain (a) and binding (b) chain. by binding chain (b), the toxin binds to its receptor on numerous body cells such as myocardial, kidney and peripheral nerve cells. after entering, catalytic chain (a) inhibits protein synthesis and finally can cause cell dea...
This report describes the design, construction, and expression of a bivalent bispecific single-chain antibody (SCA) protein in Escherichia coli. The bispecificity of the bivalent protein was based on two previously constructed monovalent single-chain antibody molecules possessing distinct specificities, SCA 4-4-20 (anti-fluorescein) and SCA 04-01 (anti-single-stranded DNA). A flexible linker, m...
We have previously described an approach that employs retroviral receptor-ligand bridge proteins to target retroviral vectors to specific cell types. To determine whether targeted retroviral entry can also be achieved using a retroviral receptor-single-chain antibody bridge protein, the TVA-MR1 fusion protein was generated. TVA-MR1 is comprised of the extracellular domain of the TVA receptor fo...
Over three decades after the generation of the first mouse monoclonal antibodies by Kohler and Milstein, recombinant antibodies are the fastest growing class of therapeutic proteins. Furthermore, antibodies are key detection reagents in research and diagnostics. Technology improvements have provided several approaches to manufacturing human antibodies with high affinity for biologically relevan...
The pro-inflammatory cytokine, TNF-α, which plays a major role in the development and persistence of inflammatory diseases, is the basis for the use of anti-TNF-α therapies. The neutralization of TNF-α or blockage of its binding to the corresponding receptor has mainly served as a therapeutic strategy against some diseases. This study aimed to investigate the production of a humanized single ch...
To enhance the activity of seminoprotein single‑chain variable fragment (γ‑Sm‑ScFv) antibodies, modulation of the length of the linker peptide, which connects the variable region of the heavy chain (VH) and the light chain (VL) of single‑chain antibodies, was performed in the present study. Homologous modeling of single VH and VL were performed, respectively. Subsequently, modeling of the whole...
Conformational adaptation between antigen and antibody can modulate the antibody specificity. The phenomenon has often been proposed to result from an 'induced fit', which implies that the binding reaction induces a conformational change in the antigen and the antibody. Thus, an 'induced fit' requires initial complex formation followed by a conformational change in the complex. However, an anti...
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