期刊
LANCET NEUROLOGY
卷 2, 期 1, 页码 33-42出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S1474-4422(03)00265-5
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The ionic currents that underlie the mechanisms of epileptogenesis have been systematically characterised in different experimental preparations. The recent elucidation of the molecular structures of most membrane channels and receptors has enabled structure-function analyses in both physiological and pathophysiological conditions. The neurophysiological and biomolecular features of epileptogenic mechanisms that putatively account for human epilepsies are summarised in this review. Particular emphasis is given to epilepsies that are associated with genetically determined alterations of ligand-gated and voltage-gated ion channels. Changes in ionic currents that flow through sodium, potassium, and calcium channels can lead to different types of epilepsies. Inherited or acquired changes that alter the function of receptors for acetylcholine, glutamate, and gamma-aminobutryic acid are also involved. A better understanding of the role of these epileptogenic mechanisms will promote new advances in the development of selective and targeted antiepileptic drugs.
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