Recombinant Antibodies
Recombinant Antibodies - Related Videos
03:38
A Method to Produce Recombinant Antibodies Against Metallopeptidase
0 Views •
2025
This video demonstrates a procedure for the production of recombinant antibodies against metallopeptidase. Recombinant plasmids carrying genes for the antibody, green fluorescent protein, and antibiotic resistance are transfected into epithelial cells with lipofectamine. The transfected cells are selected and cultivated to generate recombinant antibodies.
12:55
Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries
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Cited by 33 •
2015
A method is described with visual accompaniment for conducting scalable, high throughput selections from phage-displayed combinatorial synthetic antibody libraries against hundreds of antigens simultaneously. Using this parallel approach, we have isolated antibody fragments that exhibit high affinity and specificity for diverse antigens that are functional in standard immunoassays.
03:22
Production and Purification of Recombinant Antibodies from Mammalian Cells
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2025
The video explains the process of producing antibodies in mammalian host cells, from gene expression to secretion. It involves transcription, translation, signal recognition, correct folding, and eventual release into the extracellular medium via secretory vesicles.
07:45
A Cell Free Assay System Estimating the Neutralizing Capacity of GM-CSF Antibody using Recombinant Soluble GM-CSF Receptor
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2011
We designed a cell-free receptor binding assay in order to estimate the binding of granulocyte-macrophage colony-stimulating factor (GM-CSF) to the receptors. It enables us to evaluate competitive inhibition of biotinylated GM-CSF binding to soluble GM-CSF receptor alpha by GM-CSF autoantibody with excellent reproducibility.
02:10
Generating Recombinant Monoclonal Antibodies From Mammalian Cell Cultures
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2025
This video demonstrates a method of antibody generation from mammalian cells by introducing plasmid vectors with heavy and light chain genes. These vectors interact with polyethylenimine and enter the cells by forming polyplexes; later, they are translated into individual proteins and assembled into complete antibodies, which are secreted into the extracellular medium.
FAQs
The cloned genes encode antibody variable regions, whose sequences establish the molecular features of the antigen-binding site. Selecting and assembling these regions gives researchers control over which antigen is recognized and provides a defined genetic basis for producing the reagent. This sequence-level control supports reproducible antigen recognition across experiments rather than relying on the variable composition of immune serum.
The choice of format allows the reagent to be matched to the experimental goal. Full-length antibodies retain the complete antibody molecule, whereas fragments provide a smaller antibody-derived format centered on antigen binding. Because recombinant systems can produce either design, investigators can select the form that best suits antigen detection, localization, neutralization studies, or other applications.
Defined antibody sequences allow researchers to adjust binding, specificity, or effector properties for a particular use. Binding and specificity determine how the reagent recognizes its antigen, while effector properties influence functions associated with the antibody molecule. This tunability is important when the same target must be studied in different immunological or infection-related settings.
Production begins with selecting and assembling genes that encode the desired antibody variable regions. The constructed genes are then introduced into a suitable host cell for expression. Inside the host, the antibody proteins fold and form antigen-binding sites. Researchers can produce a full-length molecule or fragment, creating a defined reagent for subsequent experimental use.
These reagents are useful when experiments require controlled recognition of a pathogen or other antigen. Investigators apply them to pathogen detection, antigen localization, neutralization studies, and therapeutic development. Their defined sequences and reproducible production are especially valuable when results must be compared across experiments or when antibody properties need to be tailored to a specific research objective.
For pathogen detection, antigen-specific binding enables researchers to identify the presence of a target. In antigen localization, the same recognition principle helps determine where an antigen is found. Neutralization studies use antibody binding to investigate whether the reagent can interfere with a pathogen-related target. Together, these applications connect molecular recognition with practical questions in infection research.