Suppression of neuronal and cardiac transient outward currents by viral gene transfer of dominant-negative Kv4.2 constructs.


To probe the molecular identity of transient outward (A-type) potassium currents, we expressed a truncated version of Kv4.2 in heart cells and neurons. The rat Kv4.2-coding sequence was truncated at a position just past the first transmembrane segment and subcloned into an adenoviral shuttle vector downstream of a cytomegalovirus promoter (pE1Kv4.2ST). We… (More)


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