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Horse immunization with short-chain consensus α-neurotoxin generates antibodies against broad spectrum of elapid venomous species
dc.creator | de la Rosa, Guillermo | |
dc.creator | Olvera, Felipe | |
dc.creator | Archundia, Irving G. | |
dc.creator | Lomonte, Bruno | |
dc.creator | Alagón Cano, Alejandro | |
dc.creator | Corzo, Gerardo | |
dc.date.accessioned | 2020-01-28T19:33:15Z | |
dc.date.available | 2020-01-28T19:33:15Z | |
dc.date.issued | 2019 | |
dc.identifier.citation | https://www.nature.com/articles/s41467-019-11639-2 | |
dc.identifier.issn | 2041-1723 | |
dc.identifier.uri | https://hdl.handle.net/10669/80380 | |
dc.description.abstract | Antivenoms are fundamental in the therapy for snakebites. In elapid venoms, there are toxins, e.g. short-chain α-neurotoxins, which are quite abundant, highly toxic, and consequently play a major role in envenomation processes. The core problem is that such α-neurotoxins are weakly immunogenic, and many current elapid antivenoms show low reactivity towards them. We have previously developed a recombinant consensus short-chain α-neurotoxin (ScNtx) based on sequences from the most lethal elapid venoms from America, Africa, Asia, and Oceania. Here we report that an antivenom generated by immunizing horses with ScNtx can successfully neutralize the lethality of pure recombinant and native short-chain α-neurotoxins, as well as whole neurotoxic elapid venoms from diverse genera such as Micrurus, Dendroaspis, Naja, Walterinnesia, Ophiophagus and Hydrophis. These results provide a proof-ofprinciple for using recombinant proteins with rationally designed consensus sequences as universal immunogens for developing next-generation antivenoms with higher effectiveness and broader neutralizing capacity. | es_ES |
dc.description.sponsorship | Universidad de Costa Rica/[741-B7-608]/UCR/Costa Rica | es_ES |
dc.description.sponsorship | Direccion General de Asuntos del Personal Academico/[IN203118]/DGAPA/México | es_ES |
dc.description.sponsorship | Direccion General de Asuntos del Personal Academico/[IN207218]/DGAPA/México | es_ES |
dc.language.iso | en_US | es_ES |
dc.source | Nature Communications, vol.10, pp.1-8 | es_ES |
dc.subject | Antivenom | es_ES |
dc.subject | Toxins | es_ES |
dc.subject | snake venom | es_ES |
dc.title | Horse immunization with short-chain consensus α-neurotoxin generates antibodies against broad spectrum of elapid venomous species | es_ES |
dc.type | artículo original | |
dc.identifier.doi | 10.1038/s41467-019-11639-2 | |
dc.description.procedence | UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias de la Salud::Instituto Clodomiro Picado (ICP) | es_ES |
dc.identifier.codproyecto | 741-B7-608 |
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