Zinc activates TREK-2 potassium channel activity.

Abstract excerpt

TWIK-related K(+) channel (TREK)-2 is thought to contribute to setting the resting membrane potential and to tuning action potential properties. In the present study, the effects of divalent metal ions (Ba(2+), Co(2+), Ni(2+), Pb(2+), and Zn(2+)) were examined on TREK-2 expressed in Xenopus oocytes using the two-electrode voltage clamping technique. Pb(2+) inhibited TREK channel activity (IC(50) = 15.6 microM),...

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