Permeable Membrane Support
Permeable Membrane Support - Related Videos
03:28
A Permeable Membrane Insert-Based Infection System to Study the Impact of Bacterial Toxins
0 Views •
2025
This video demonstrates a permeable membrane insert-based infection system to assess the impact of secreted bacterial toxins. By eliminating direct contact between the bacterial pathogen and the host cells using a permeable membrane, this technique allows for studying the effect of toxins secreted by pathogenic bacteria on mammalian host cells.
07:44
Studying the Effects of Tumor-Secreted Paracrine Ligands on Macrophage Activation using Co-Culture with Permeable Membrane Supports
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2019
Here, we present a method using permeable membrane supports to facilitate the study of non-contact paracrine signaling used by tumor cells to suppress the immune response. The system is amenable to studying the role of tumor-secreted factors in dampening macrophage activation.
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.
19:56
Introduction to Solid Supported Membrane Based Electrophysiology
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Cited by 35 •
2013
Here we present an electrophysiological method based on solid supported membranes with focus on its applications for the characterization of electrogenic membrane transporters.
11:11
Canine Intestinal Organoids in a Dual-Chamber Permeable Support System
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Cited by 18 •
2022
Here, we present a protocol describing the culture of canine intestinal organoids in a dual-chamber, permeable support system. Organoid seeding in the permeable supports, the monolayer maintenance, and subsequent drug permeability experiments are described.
FAQs
Three variables strongly shape what a permeable membrane support reveals: pore size controls which substances or cells can cross, coatings alter the interface encountered by cells, and chemical gradients create directional cues for diffusion or movement. Adjusting these features lets investigators distinguish passive exchange from migration responses and model specific tissue-interface conditions.
Chemical gradients influence whether substances diffuse between compartments or motile cells move toward a different chemical environment. This makes the gradient a controllable variable rather than a background condition. In cancer studies, changing it can help researchers examine how directional cues affect tumor-cell migration and interactions with neighboring cell populations.
Separate compartments allow tumor, stromal, or endothelial populations to remain distinct while still exchanging selected substances through the membrane. Researchers can therefore examine communication without mixing the cell populations directly. This controlled arrangement helps relate molecular exchange to changes in tumor-cell movement or other behaviors observed across the interface.
A typical workflow places selected cell populations in separate membrane-associated compartments, sets the pore size and coating, and establishes the desired chemical conditions. Researchers may then introduce a treatment or chemical gradient and monitor substance exchange or cells crossing the barrier. The resulting measurements support comparisons among cell interactions, migration, invasion, or treatment conditions.
The key setup variables include the membrane’s pore size, coating, compartment arrangement, participating cell populations, chemical gradients, and any treatment being tested. These choices determine whether the experiment emphasizes diffusion, cell migration, invasion, or intercellular signaling. Keeping them defined and controlled improves reproducibility when comparing cancer-related behaviors across conditions.
This platform is useful when researchers need to study tumor-cell migration or invasion, communication with stromal or endothelial cells, or responses to treatment under compartmentalized conditions. It can also support metastasis-related studies by modeling tissue interfaces. Measurements from the system help connect barrier crossing and cell communication with altered therapeutic responses.