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Current Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Review Article

Computational and Synthetic Target-based Approaches to the Discovery of Novel Anticonvulsant Compounds

Author(s): Melisa Edith Gantner, Manuel Augusto Llanos, Federico Mariano Garofalo, María Luisa Villalba and Luciana Gavernet*

Volume 28 , Issue 33 , 2021

Published on: 06 May, 2021

Page: [6866 - 6894] Pages: 29

DOI: 10.2174/0929867328666210506161234

Price: $65

Abstract

Background: During the past decades, an important number of anticonvulsant drugs have been incorporated into the collection of drugs to treat epilepsy. However, two main difficulties remain unsolved in therapy: the development of drug-resistant epilepsy and the occurrence of severe toxic effects caused by the medication in responsive patients. The retrospective analysis of the strategies for discovering known anticonvulsant drugs showed that screening campaigns on animal models of epilepsy have been almost the exclusive strategy for identifying the marketed compounds. However, the actual structural and functional information about the molecular targets of the anticonvulsant drugs and the increasing knowledge of the molecular alterations that generate epileptic seizures allow a more rational identification of active compounds.

Objective: This review compiles target-based strategies used for the discovery of new anticonvulsant candidates and is divided in two main topics. The first one provides an overview of the computational approaches (docking-based virtual screening and molecular dynamics) to find anticonvulsant structures that interact with the voltage-gated ion channels and the enzyme carbonic anhydrase. The second one includes the analysis of active compounds synthesized to act simultaneously on different molecular targets by the combination of pharmacophores of anticonvulsant drugs.

Conclusion: Current knowledge of the architectures of anticonvulsant targets makes computational simulations attractive methods for the discovery and optimization of active compounds. Combining the results achieved by virtual screening of different targets could lead to multitarget compounds, as an alternative to the design of structures that merge scaffolds of known drugs.

Keywords: Anticonvulsant drugs, epilepsy, voltage-gated ion channels, carbonic anhydrase, docking, virtual screening, multitarget drugs, hybrid molecules.


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