Kinetic properties of a voltage-dependent junctional conductance.
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Implication
Randomized trial examines voltage sensitivity of junctional conductance in amphibian blastomeres, suggesting new insights into their function.
Key Points
- This research aims to explore the kinetic properties of junctional conductance in gap junctions formed by amphibian blastomeres and understand their voltage sensitivity.
- Studied kinetic properties under voltage clamp conditions
- Analyzed time constants and steady-state conductance
- Modeled voltage relations with a reversible two-state reaction scheme
- Junctional conductance changes to a steady-state level as a single exponential with time constant dependent on transjunctional voltage
- Calculated rate constants for conductance transitions are exponential functions of voltage
- Polarity reversal analysis indicates transient recovery with contingent gating mechanism involving two gates with opposite voltage sensitivity
Cite This Study
Harris et al. (1981) studied this question.