[Venoms and medical research].

Animal venoms are complex chemical cocktails, comprising a wide range of biologically active reticulated peptides that target with high selectivity and efficacy a variety of enzymes, membrane receptors, ion channels…Venoms can therefore be seen as large natural libraries of biologically active molecules that are continuously selected and highly refined by the evolution process, up to the point where every molecule is endowed with pharmacological properties that are highly valuable in the context of human use and drug development. Therefore, venom exploration constitutes a prerequisite to drug discovery. However, mass spectrometry and transcriptomics via NGS (Next Generation Sequencing) studies have shown the presence of up to 1000 peptides in the venom of single species of cone snails and spiders. Therefore the global animal venom resource can be seen as a collection of more than 50 to 100 000 000 peptides and proteins of which only ~5000 are known. That extraordinary “Eldorado” of bio-optimized compounds justifies the development of more global and cutting-edge strategies and technologies to explore this resource more efficiently than actually. De novo developed approaches and recently obtained results will be described.

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