{"id":1916,"date":"2026-09-09T06:02:00","date_gmt":"2026-09-08T21:02:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-09-rattlesnake-serum-antivenom-en\/"},"modified":"2026-09-09T06:02:00","modified_gmt":"2026-09-08T21:02:00","slug":"2026-09-09-rattlesnake-serum-antivenom-en","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-09-rattlesnake-serum-antivenom-en\/","title":{"rendered":"Rattlesnake serum-protein mixtures were about 10 times as potent as commercial antivenom in tests"},"content":{"rendered":"

2026-09-09 06:02 KST<\/strong><\/p>\n

Combining four serum proteins that western diamondback rattlesnakes evolved against their own venom fully neutralized lethal rattlesnake-venom activity in experiments and was about ten times as potent by weight as the commercial comparator. Different FETUA proteins complemented one another against metalloproteinase toxins.<\/p>\n

That does not make the mixture ready for snakebite patients. The work covered selected viper venoms under experimental conditions; human safety, dose, timing, immune response and persistence remain untested. Approved antivenom and emergency care remain the standard.<\/p>\n

Why was a mixture needed?<\/h2>\n

Individual FETUAs reduced particular enzyme or bleeding effects but did not reliably stop lethality. Selected mixtures broadened protection.<\/p>\n

What does ten times mean?<\/h2>\n

It is a potency-by-weight comparison with one sheep-derived rattlesnake antivenom, not ten times better outcomes for every toxin, species or patient.<\/p>\n

\"Rattlesnake
This AI-generated image explains the topic; it is not a photograph of the actual site, experiment, animal or fossil.<\/figcaption><\/figure>\n

How might manufacturing change?<\/h2>\n

Recombinant proteins could offer more defined ingredients than animal-immunization products, but production, storage and behaviour in the body still need testing.<\/p>\n

Which toxins were covered?<\/h2>\n

The study focused on metalloproteinases. Viper venoms contain other toxin families, so this is not a universal antivenom.<\/p>\n

What should a bitten person do?<\/h2>\n

Do not attempt self-treatment. Call emergency and poison services immediately, avoid cutting, suction and tourniquets, and follow clinicians.<\/p>\n

Primary source and independent checks<\/h2>\n

PNAS \ub17c\ubb38 PubMed \uae30\ub85d<\/a><\/p>\n

Phys.org \ub3c5\ub9bd \uc124\uba85<\/a><\/p>\n

ScienceDaily 9\uc6d4 8\uc77c \uad50\ucc28 \ud655\uc778<\/a><\/p>\n

Read in other languages<\/h2>\n

\ud55c\uad6d\uc5b4<\/a> \u00b7 English<\/a> \u00b7 Espa\u00f1ol<\/a> \u00b7 \u65e5\u672c\u8a9e<\/a> \u00b7 Ti\u1ebfng Vi\u1ec7t<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Specific combinations of four FETUA proteins blocked lethal effects from several viper venoms. This is not an approved human treatment or field first aid.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-1916","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/1916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=1916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}