Antibody Yield Enhancement

Antibody yield enhancement is the optimization of biological production systems to increase the amount of functional antibody recovered from a culture or expression process. It works by improving antibody gene expression and protein handling in host cells through suitable expression constructs, cell lines, media composition, temperature, and culture conditions, which can increase synthesis, folding, secretion, and recovery. In immunology and infection research, these strategies support production of monoclonal and polyclonal antibodies for pathogen detection, antigen characterization, diagnostic development, and experimental studies. Higher and more consistent yields help researchers obtain sufficient, reproducible reagents while preserving antibody quality for downstream assays.

Antibody Yield Enhancement - Related Videos

Research

JoVE Journal - Immunology and Infection
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High Yield Purification of Plasmodium falciparum Merozoites For Use in Opsonizing Antibody Assays

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Cited by 18 •

2014

Measuring antibody function is key to understanding immunity to Plasmodium falciparum malaria. This method describes the purification of viable merozoites, and measurement of opsonization-dependent phagocytosis by flow cytometry.

Research

JoVE EoE - Antibody-Based Technologies

Convection-Enhanced Delivery of Antibodies into a Mouse Brain

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2025

This video demonstrates a convection-enhanced delivery (CED) technique for antibody delivery into the mouse brain. The skull of an anesthetized mouse is exposed, and a burr hole is created at the target area for antibody delivery. A step catheter containing antibodies is inserted at the target site, and via an infusion pump, a pressure gradient is created to deliver antibodies at a controlled rate.

Antibody-Dependent Enhancement of Zika Virus by Dengue Antibodies in Human Primary Macrophages

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2026

Source: Asad, S., et al. Quantification of Antibody-dependent Enhancement of the Zika Virus in Primary Human Cells. J. Vis. Exp. (2019)This video demonstrates antibody-dependent enhancement of Zika virus infection in human primary macrophages, using dengue antibody–virus complexes to model how cross-reactive antibodies facilitate Fcγ receptor–mediated viral entry and replication for studying infection mechanisms and immune interactions.

An In Vitro Assay to Examine the Antibody-Dependent Enhancement of Viral Infection

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2025

This video demonstrates an assay to measure antibody-dependent enhancement (ADE) of Dengue virus infection using Zika Virus Convalescent Serum. The assay uses Dengue reporter viral particles (RVPs) encoding a green fluorescent protein. Serum antibodies against the Zika Virus cross-react with RVPs to form a complex. The bound antibodies enhance RVP uptake by cells expressing the Fc receptor, which is detected using flow cytometry.

Education

JoVE Core - Biology

ATP Yield

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2019

Cellular respiration produces 30 - 32 ATP per glucose molecule. Although most of the ATP results from oxidative phosphorylation and the electron transport chain (ETC), 4 ATP are gained beforehand (2 from glycolysis and 2 from the citric acid cycle). The ETC is embedded in the inner mitochondrial membrane and is comprised of four main protein complexes and an ATP synthase. NADH and FADH2 pass electrons to these complexes, which pump protons into the intermembrane space. This distribution of...

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