Host Cell Fusion
Host Cell Fusion - Related Videos
02:38
An Assay to Evaluate the Effect of Test Compounds on Viral Entry and Fusion in Host Cells
0 Views •
2025
This video demonstrates an assay to evaluate antiviral agents that target specific steps of the viral entry into host cells and fusion with the endosome. The cells are incubated at a low temperature and then infected with HCV. The low temperature permits viral binding to host cells but inhibits internalization via endocytosis. The test antiviral compound is added, and the cells are incubated at physiological temperature. This shift to a higher temperature facilitates viral entry and allows...
12:23
Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions
0 Views •
Cited by 5 •
2015
Effector translocation into host cells via a type III secretion system is a common virulence strategy among gram-negative bacteria. A beta-lactamase effector fusion based assay for quantitative analysis of translocation was applied. In Yersinia infected cells, conversion of a FRET reporter by the beta-lactamase is monitored using laser scanning microscopy.
09:19
Analysis of SNARE-mediated Membrane Fusion Using an Enzymatic Cell Fusion Assay
0 Views •
2012
We have developed a cell fusion assay that quantifies SNARE-mediated membrane fusion events by activated expression of β-galactosidase.
04:15
Extracting Host Cell Lysate from Infected Host Cells Cultured in a Permeable Membrane System
0 Views •
2025
This video demonstrates a permeable membrane insert system to investigate the impact of bacterial toxins on host cells in a controlled and isolated manner. This approach allows for the selective exposure of the cells to the toxins while maintaining a physical separation that mimics the natural host-pathogen interaction.
02:45
Nuclear Fusion
0 Views •
2020
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons. A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
FAQs
These approaches act by bringing cell membranes into close proximity and destabilizing their normal barrier properties. Polyethylene glycol, electrical pulses, and fusogenic proteins provide different mechanisms for initiating membrane merger, but the immediate consequence is similar: cytoplasmic contents can mix between the participating cells. The selected approach therefore determines how membrane contact and destabilization are induced.
Cytoplasmic mixing can occur when the plasma membranes merge, whereas nuclear fusion may occur afterward and is not necessarily simultaneous. This distinction matters because the resulting hybrid cell can initially contain combined cytoplasmic components without fully merging nuclear material. Separating these events helps researchers interpret how cellular properties and genetic material become combined.
The value of the resulting hybrid cell comes from combining properties contributed by different parent cells. Complementary traits and genetic material can support functional analysis, somatic cell genetics, and gene transfer research. Rather than examining each cell type independently, investigators can study how the combined cellular system expresses or uses properties derived from both fusion partners.
A major application is hybridoma production, in which fusion creates a cellular system used for monoclonal antibody generation. The approach is useful because it combines cellular properties in a hybrid context, supporting the production and study of antibodies with a defined specificity. This application makes cell fusion an important biological technique for antibody-related research.
In somatic cell genetics, the technique provides a way to place cellular and genetic material from different cells into a shared hybrid context. Researchers can then use the resulting cells for functional analysis of combined traits. This supports investigations of how genetic contributions relate to cellular properties, without limiting the study to either original cell population.
The technique directly engages membrane contact, destabilization, and merger, making it relevant to membrane biology. It also provides a controlled framework for studying processes related to viral entry, where interactions between membranes are central. By manipulating cell joining and observing the resulting cellular state, researchers can examine membrane behavior and associated cellular consequences.
Fusion can place genetic material from different cells into one hybrid cellular environment, which supports gene transfer research and functional analysis. The resulting combinations may also contribute to engineered cell systems designed around complementary cellular properties. These applications extend the method beyond antibody production, allowing investigators to explore how joined cellular components influence system-level function.