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Calcium signaling and epilepsy

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Abstract

Calcium signaling is involved in a multitude of physiological and pathophysiological mechanisms. Over the last decade, it has been increasingly recognized as an important factor in epileptogenesis, and it is becoming obvious that the excess synchronization of neurons that is characteristic for seizures can be linked to various calcium signaling pathways. These include immediate effects on membrane excitability by calcium influx through ion channels as well as delayed mechanisms that act through G-protein coupled pathways. Calcium signaling is able to cause hyperexcitability either by direct modulation of neuronal activity or indirectly through calcium-dependent gliotransmission. Furthermore, feedback mechanisms between mitochondrial calcium signaling and reactive oxygen species are able to cause neuronal cell death and seizures. Unravelling the complexity of calcium signaling in epileptogenesis is a daunting task, but it includes the promise to uncover formerly unknown targets for the development of new antiepileptic drugs.

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  1. Institute of Human Genetics, University Hospital Munich, Ludwig-Maximilians University Munich, Goethestr 29, 80336, Munich, Germany

    Ortrud K. Steinlein

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Steinlein, O.K. Calcium signaling and epilepsy. Cell Tissue Res 357, 385–393 (2014). https://doi.org/10.1007/s00441-014-1849-1

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