Connexin Interaction
Connexin Interaction - Related Videos
09:20
Perturbing Endothelial Biomechanics via Connexin 43 Structural Disruption
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Cited by 6 •
2019
Here, we present a mechanics-based protocol to disrupt the gap junction connexin 43 and measure the subsequent impact this has on endothelial biomechanics via observation of tractions and intercellular stresses.
11:31
Analysis of Protein-protein Interactions and Co-localization Between Components of Gap, Tight, and Adherens Junctions in Murine Mammary Glands
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Cited by 5 •
2017
Intercellular junctions are requisites for mammary gland stage-specific functions and development. This manuscript provides a detailed protocol for the study of protein-protein interactions (PPIs) and co-localization using murine mammary glands. These techniques allow for the investigation of the dynamics of the physical association between intercellular junctions at different developmental stages.
06:15
Biotinylated Cell-Penetrating Peptide Probe to Detect Protein-Protein Interactions
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2025
This video demonstrates a technique that uses biotinylated cell-penetrating peptides to detect intracellular protein-protein interactions. The cell-penetrating peptides facilitate the conjugated peptide to enter a cell and specifically bind to its interacting proteins. The biotin, after binding to avidin, allows purification of the interacting proteins’ complex from a cell lysate.
06:41
Assessment of Social Interaction Behaviors
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Cited by 561 •
2011
Here we describe a detailed protocol for examination of sociability in mice by using Crawley's sociability and preference for social novelty test. We describe the advantages and possible applications for this procedure, including critical details important for correct interpretation of the results.
05:48
3D Co-culture with Direct Interaction: Co-culturing Cancer Cells with Monocytes to Study Their Interaction
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2023
This video describes the 3D co-culture of breast cancer cells with monocytes to study their interaction in an extracellular matrix extract (ECME) based environment. This method helps in studying specific features such as collagen degradation, immune cell recruitment, and cell invasion.
FAQs
At the channel-assembly level, six connexin subunits combine to make one hemichannel, and pairing occurs when a second hemichannel from a neighboring cell docks across the intercellular space. This sequential organization matters because interaction must occur both within each cell’s connexon and between adjacent cells before a complete gap junction channel can connect them.
Once adjacent connexons dock, the resulting gap junction channel provides a direct route between neighboring cells. Ions and small signaling molecules can move through this connection, allowing cellular communication that contributes to coordinated tissue behavior. The interaction therefore links connexin organization at the membrane with signaling across cell boundaries.
Connexin interaction extends beyond connexin-to-connexin association because connexins can also bind cellular regulatory proteins. These partners can influence channel trafficking, meaning its movement within the cell, as well as gating and stability. Such regulation can affect whether channels reach the appropriate location, how they function, and how persistently they remain available for communication.
Connexin interaction helps explain how communication between neighboring cells contributes to tissue function during development and electrical coordination. Direct passage of ions and small signaling molecules links the behavior of individual cells with broader tissue activity. Studying these associations therefore provides a molecular context for understanding coordinated biological processes rather than examining cells in isolation.
Examining connexin associations can reveal how changes in channel organization, regulation, or communication relate to disease mechanisms. This perspective is relevant to inherited disorders and cancer biology, where connexin behavior may help explain abnormal tissue function. The same framework connects molecular interactions with broader questions about how disease develops and affects cellular coordination.
Mapping interactions among connexins and their cellular partners can connect molecular organization with channel trafficking, gating, stability, and intercellular communication. These findings support research into inherited disorders, cancer biology, and the development of potential therapeutic targets. The approach is valuable because it considers both channel formation and the regulatory relationships that shape its biological effects.