A. R. Akopyan

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Dopamine (1 microM) inhibits the Ca component of action potential and corresponding electroexcitable Ca current (ICa) in isolated snail neurons. Adrenaline and serotonin also reduce ICa. The inhibition is not related to changes in intracellular Ca2+ or cAMP concentrations: internal application of 10 mM ethyleneglycoltetraacetic acid or 10 microM cAMP in the(More)
The dose-inward current relationships for current-carrying Ca++ and Sr++ ions were studied by means of intracellular dialysis and voltage clamp methods in isolated neurons ofLimnea stagnalis. These relationships rose to a ceiling for these ions. The data are explained in terms of an activation theory using a double-barrier model of the calcium channels.(More)
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