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Causes and Consequences of Snake Venom Variation

Casewell, NR and Jackson, TNW and Laustsen, AH and Sunagar, K (2020) Causes and Consequences of Snake Venom Variation. In: Trends in Pharmacological Sciences, 41 (8). pp. 570-581.

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Official URL: https://dx.doi.org/10.1016/j.tips.2020.05.006


Snake venoms are mixtures of toxins that vary extensively between and within snake species. This variability has serious consequences for the management of the world's 1.8 million annual snakebite victims. Advances in �omic� technologies have empowered toxinologists to comprehensively characterize snake venom compositions, unravel the molecular mechanisms that underpin venom variation, and elucidate the ensuing functional consequences. In this review, we describe how such mechanistic processes have resulted in suites of toxin isoforms that cause diverse pathologies in human snakebite victims and we detail how variation in venom composition can result in treatment failure. Finally, we outline current therapeutic approaches designed to circumvent venom variation and deliver next-generation treatments for the world's most lethal neglected tropical disease. © 2020 The Authors

Item Type: Journal Article
Publication: Trends in Pharmacological Sciences
Publisher: Elsevier Ltd
Additional Information: Copy right for this article belongs to Elsevier Ltd
Keywords: toxins venom evolution gene duplication protein neofunctionalization snakebiteantivenom
Department/Centre: Division of Biological Sciences > Centre for Ecological Sciences
Date Deposited: 20 Oct 2020 10:37
Last Modified: 20 Oct 2020 10:37
URI: http://eprints.iisc.ac.in/id/eprint/65941

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