Chloride Influx
Chloride Influx - Related Videos
07:32
Dynamic Electrochemical Measurement of Chloride Ions
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Cited by 5 •
2016
Dynamic measurement of chloride ions is presented. Transition time of an Ag/AgCl electrode, during a chronopotentiometric technique, can give the concentration of chloride ions in electrolyte. This method does not require a stable conventional reference electrode.
08:14
Assessing T-cell Receptor-Induced Calcium Influx Using a Calcium Indicator Dye
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2025
This video analyzes T-cell receptor-induced calcium influx in T-cells. Anti-CD3 antibodies activate the T-cell signaling pathways, leading to an increase in intracellular calcium ions that bind with Indo-1 dye. In flow cytometry, a spectrum shift from the calcium-free state to the calcium-bound state correlates with T-cell receptor-induced calcium influx.
04:46
Calcium Influx Assay to Measure Mitochondrial Calcium Uptake in Cultured Cells
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2025
This video describes a confocal microscopy imaging-based assay to measure mitochondrial calcium uptake in cultured cells. The assay uses the calcium-sensitive fluorescent dye Rhod-2/AM to measure the mitochondrial calcium in permeabilized cultured cells.
04:53
Visualization of Calcium Influx in Ventral Midbrain Neurons Derived from Mouse Embryos
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2025
Source: Bancroft, E. A., et al. Quantifying Spontaneous Ca2+ Fluxes and their Downstream Effects in Primary Mouse Midbrain Neurons. J. Vis. Exp. (2020) This video demonstrates the real-time visualization of calcium influx in ventral midbrain neurons derived from mouse embryos. Using a viral vector to express a calcium indicator, the neurons are imaged under a confocal microscope to track changes in fluorescence intensity during spontaneous and neurotransmitter-induced calcium activity.
10:37
Ferric Chloride-induced Murine Thrombosis Models
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Cited by 56 •
2016
We report a refined procedure of the ferric chloride (FeCl3)-induced thrombosis models on carotid and mesenteric artery as well as vein, characterized efficiently using intravital microscopy to monitor time to occlusive thrombi formation.
FAQs
Chloride influx does not produce one fixed electrical response. Its effect depends on the chloride equilibrium potential, the membrane voltage at which chloride movement is electrically balanced. If chloride entry shifts the membrane voltage away from excitation, it can hyperpolarize the cell; under other conditions, it mainly stabilizes the membrane and limits voltage changes.
Chloride channels provide pathways through which Cl⁻ can move when the channels open, whereas transporters move chloride across the plasma membrane through a carrier-based process. Both depend on the ion’s electrochemical gradient, but their activity represents different control points for regulating membrane voltage, cellular ion balance, and the timing of chloride movement.
GABA and glycine receptors can mediate chloride entry in neurons. The resulting charge movement may hyperpolarize or stabilize the neuronal membrane, reducing the likelihood that electrical activity will spread or intensify. This makes chloride influx an important mechanism for synaptic inhibition and for regulating communication between nerve cells.
The outcome depends mainly on the relationship between the chloride electrochemical gradient, the chloride equilibrium potential, and the cell’s existing membrane voltage. Because these conditions determine the direction and electrical consequence of Cl⁻ movement, identical chloride-permeable pathways can produce different effects in different cellular states.
Investigating chloride influx can illuminate neuronal inhibition, sensory signaling, muscle activity, osmotic regulation, and epithelial fluid transport. These areas connect ion movement with both electrical and non-electrical cellular functions. Studying the process therefore helps relate membrane behavior to communication, tissue activity, and the maintenance of cellular and fluid balance.
In epithelial cells, chloride influx contributes to ion movement associated with osmotic and fluid balance. More broadly, changes in chloride handling can disturb cellular ion homeostasis, making the process relevant to diseases involving abnormal ion regulation. Examining these effects helps connect chloride transport with tissue-level fluid control and disease-related cellular dysfunction.