Abstract

In order to develop novel central acting drugs, the modulation of intracellular Ca2+ dynamics must be considered as an essential factor, since following excessive Ca2+ influx to neuronal cells, abnormal intracellular Ca2+ concentrations induce several types of mental and neurological disorders. This paper introduces some voltage sensitive Ca2+ channel blockers (Ca antagonists) which may be useful in the treatment of neuro-psychiatric diseases, such as manic depressive insanity, schizophrenia, ischemia-induced neuronal death and/or amnesia. The pharmacological actions of Ca antagonists may be explained by these possible direct central actions due to permeation of the blood-brain barrier. Furthermore, the central pharmacological actions of Ca antagonists may be explained by these possible direct central actions due to permeation of the blood-brain barrier. Furthermore, the central pharmacological properties of newly synthesized GABA-peptides, which influence cytosolic Ca2+ levels and bind to GABAA receptor, are also discussed as a novel class of psychiatric drugs. Copyright © 1998 John Wiley & Sons, Ltd.

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