Abstract

Animal venoms are a complex mixture of proteins, peptides, enzymes and trace elements such ascarbohydrates and salts, which aim to immobilize the prey and begin digestion. Toxins are isolatedsubstances from venons, with one or more specific actions on victims. Many of these compounds haveaction on specific receptors located on the central and/or peripheral nervous system, while others exert theireffects by acting on other proteins. Since the discovery in 1971 of the peptide that gave rise to Captopriland the fact that a lot of toxins are useful as tools for physiological process studies, animal venoms beganto be watched as sources rich in bioactive compounds and its potential use as therapeutic agents is nowconsidered. There are now different drugs and diagnostic or basic investigation tools derivated fromtoxins. This review based on publications from the last 10 years pretends to provide a current view ofthe use of some of these molecules as tools in different fields of biomedicine and pharmacy, and in theapplication of these as new alternative therapeutic agents or as models in designing them.

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