Cnidarian Neurotoxic Peptides Affecting Central Nervous System Targets

Author(s): Fernando Lazcano-Pérez, Ulises Hernández-Guzmán, Judith Sánchez-Rodríguez, Roberto Arreguín-Espinosa

Journal Name: Central Nervous System Agents in Medicinal Chemistry
Formerly Current Medicinal Chemistry - Central Nervous System Agents

Volume 16 , Issue 3 , 2016


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Abstract:

Natural products from animal venoms have been used widely in the discovery of novel molecules with particular biological activities that enable their use as potential drug candidates. The phylum Cnidaria (jellyfish, sea anemones, corals zoanthids, hydrozoans, etc.) is the most ancient venomous phylum on earth. Its venoms are composed of a complex mixture of peptidic compounds with neurotoxic and cytolitic properties that have shown activity on mammalian systems despite the fact that they are naturally targeted against fish and invertebrate preys, mainly crustaceans. For this reason, cnidarian venoms are an interesting and vast source of molecules with a remarkable activity on central nervous system, targeting mainly voltage-gated ion channels, ASIC channels, and TRPV1 receptors. In this brief review, we list the amino acid sequences of most cnidarian neurotoxic peptides reported to date. Additionally, we propose the inclusion of a new type of voltage-gated sea anemone sodium channel toxins based on the most recent reports.

Keywords: Cnidaria, venom, neurotoxin, peptides, ion channels, TRPV1..

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Article Details

VOLUME: 16
ISSUE: 3
Year: 2016
Published on: 05 October, 2016
Page: [173 - 182]
Pages: 10
DOI: 10.2174/1871524915666150722120915
Price: $65

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