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What does DVC stand for?

DVC stands for Dual Voltage Clamp

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The dual-cell voltage clamp technique is a specialized variation of the two electrode voltage clamp, and is only used in the study of gap junction channels. [12] Gap junctions are pores that directly link two cells through which ions and small metabolites flow freely. When two cells in which gap junction proteins are expressed either endogenously or via injection of mRNA, a junction channel will form between the cells.
In the heart, for example, junctional currents between adjacent cells are elicited by the membrane potential difference when one of the cells generates an action potential, while the other cell is still at resting membrane potential, thereby allowing propagation of the action potential. Experimentally, such gap junctional currents can be directly evoked and measured by independently controlling the membrane voltage of both cells of a cell pair. This is accomplished by “dual voltage clamp.
; Jongsma, Habo J. The main feature of gap junctions is the passage of ions and small molecules between adjacent cells. In the heart, for example, junctional currents between adjacent cells are elicited by the membrane potential difference when one of the cells generates an action potential, while the other cell is still at resting membrane potential, thereby allowing propagation of the action potential. Experimentally, such gap junctional currents can be directly evoked and measured by independently controlling the membrane voltage of both cells of a cell pair. This is accomplished by “dual voltage clamp.