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Somatostatin venom analogs evolved by fish-hunting cone snails: from prey capture behavior to identifying drug leads
Ramiro, I.B.L.; Bjørn-Yoshimoto, W.E.; Imperial, J.S.; Gajewiak, J.; Flórez Salcedo, P.; Watkins, M.; Taylor, D.; Resager, W.; Ueberheide, B.; Bräuner-Osborne, H.; Whitby, F.G.; Hill, C.P.; Martin, L.F.; Patwardhan, A.; Concepcion, G.P.; Olivera, B.M.; Safavi-Hemami, H. (2022). Somatostatin venom analogs evolved by fish-hunting cone snails: from prey capture behavior to identifying drug leads. Science Advances 8(12): eabk1410. https://dx.doi.org/10.1126/sciadv.abk1410
In: Science Advances. AAAS: New York. ISSN 2375-2548; e-ISSN 2375-2548
Peer reviewed article  
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Auteurs  Top 
  • Ramiro, I.B.L.
  • Bjørn-Yoshimoto, W.E.
  • Imperial, J.S.
  • Gajewiak, J.
  • Flórez Salcedo, P.
  • Watkins, M.
  • Taylor, D.
  • Resager, W.
  • Ueberheide, B.
  • Bräuner-Osborne, H.
  • Whitby, F.G.
  • Hill, C.P.
  • Martin, L.F.
  • Patwardhan, A.
  • Concepcion, G.P.
  • Olivera, B.M.
  • Safavi-Hemami, H.
Abstract
    Somatostatin (SS) is a peptide hormone with diverse physiological roles. By investigating a deep-water clade of fish-hunting cone snails, we show that predator-prey evolution has generated a diverse set of SS analogs, each optimized to elicit specific systemic physiological effects in prey. The increased metabolic stability, distinct SS receptor activation profiles, and chemical diversity of the venom analogs make them suitable leads for therapeutic application, including pain, cancer, and endocrine disorders. Our findings not only establish the existence of SS-like peptides in animal venoms but also serve as a model for the synergy gained from combining molecular phylogenetics and behavioral observations to optimize the discovery of natural products with biomedical potential.
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