T-type calcium channels serve an essential role in the functioning of the nervous system. They exhibit unique properties among voltage-gated calcium channels, and mediate specific roles in brain function. Over the recent years, it has come to light that a number of chronic neurological disorders arise from defects in T-type channel function. The question then arises as to whether T-type channels could represent a relevant druggable target. In this review, we introduce the diversity, molecular structure, and principal electrophysiological properties of T-type channels. Then, we highlight their role in neuronal development, and their pathophysiological role in the nervous system. Finally, we discuss the potential of T-type channels as therapeutic targets in light of recent advances in their pharmacopoeia.

Department of Physiology and Pharmacology Cumming School of Medicine University of Calgary Calgary Canada

Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Prague Czech Republic

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