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Mini-Reviews in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1389-5575
ISSN (Online): 1875-5607

Non-adenosine Nucleoside Inosine, Guanosine and Uridine as Promising Antiepileptic Drugs: a Summary of Current Literature

Author(s): Zsolt Kovacs, Katalin A. Kekesi, Gabor Juhasz, Janos Barna, Laszlo Heja, Renata Lakatos and Arpad Dobolyi

Volume 14, Issue 13, 2014

Page: [1033 - 1042] Pages: 10

DOI: 10.2174/1389557514666141107120226

Price: $65

Abstract

Adenosine (Ado) and some non-adenosine (non-Ado) nucleosides including inosine (Ino), guanosine (Guo) and uridine (Urd) are modulatory molecules in the central nervous system (CNS), regulating different physiological and pathophysiological processes in the brain such as sleep and epilepsy. Indeed, different drugs effective on adenosinergic system (e.g., Ado metabolism inhibitors, agonists and antagonists of Ado receptors) are being used in drug development for the treatment of epileptic disorders. Although (i) endogenous Ino, Guo and Urd showed anticonvulsant/antiepileptic effects (e.g., in quinolinic acid - induced seizures and in different epilepsy models such as hippocampal kindling models), and (ii) there is a need to generate new and more effective antiepileptic drugs for the treatment of drug-resistant epilepsies, our knowledge about antiepileptic influence of non-Ado nucleosides is far from complete. Thus, in this review article, we give a short summary of anticonvulsant/antiepileptic effects and mechanisms evoked by Ino, Guo, and Urd. Finally, we discuss some non-Ado nucleoside derivatives and their structures, which may be candidates as potential antiepileptic agents.

Keywords: Epilepsy, guanosine, inosine, uridine.

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