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Journal Article

Citation

Rathore AS, Kumar R, Tiwari OS. Int. J. Biol. Macromol. 2023; ePub(ePub): ePub.

Copyright

(Copyright © 2023, Elsevier Publishing)

DOI

10.1016/j.ijbiomac.2023.124478

PMID

37072061

Abstract

Snakebite envenoming (SBE), a neglected tropical disease, claims lives of about 138,000 people globally, and antivenom is the only approved treatment worldwide. However, this century-old therapy has serious limitations, including limited efficacy and some side effects. Although alternative and adjunct therapies are being developed, their commercialization will take time. Hence, improving existing antivenom therapy is crucial for immediate reduction in the global SBE burden. The neutralization potential and immunogenicity of antivenoms depend primarily on the venom pool used for animal immunization and the production host, along with antivenom purification procedure and quality control. Enhancing antivenom quality and production capacity are also critical actions of the World Health Organization (WHO) roadmap 2021 against SBE. The present review details the latest developments in antivenom production, such as immunogen preparation, production host, antibody purification methods, antivenom testing-including alternative animal models, in vitro assays, and proteomics and in silico methodologies, and storage, reported from 2018 to 2022. Based on these reports, we propose that production of broadly specific, affordable, safe, and effective (BASE) antivenoms is fundamental to realizing the WHO roadmap and reducing the global SBE burden. This concept can also be applied during the designing of alternative antivenoms.


Language: en

Keywords

Snakebite envenomation; Antivenom production; BASE antivenom; Neglected tropical diseases

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