Add BrightSurf on Google Email

New antidote for cobra bites discovered

A team of scientists at the University of Sydney has repurposed a commonly used blood thinner, heparin, as an inexpensive antidote for cobra venom. The discovery could drastically reduce the impact of snakebites worldwide, particularly in low- and middle-income countries where cobra species account for most snakebite incidents.

SourceUniversity of Sydney·JournalScience Translational Medicine·TypeExperimental study·DateJul 17, 2024

Membrane discs as antitoxins

Researchers have developed nanodiscs based on the cell membranes of human red blood cells, which can effectively neutralize bacterial toxins. These nanodiscs, called RBC-NDs, are biocompatible and non-toxic, making them potentially useful as nanovaccines.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateMar 29, 2023

Oxygen can wake up dormant bacteria for antibiotic attacks

A team of researchers has identified an oxygen-dependent toxin antitoxin system that can be targeted to inhibit biofilm formation and combat antibiotic-resistant bacteria. By understanding the molecular mechanisms behind this system, scientists hope to develop more effective antimicrobials.

SourcePenn State·JournalNature Communications·DateDec 8, 2016

A new way of fighting bacteria?

Scientists at Université de Genève found a novel regulatory mechanism in the HigBA toxin-antitoxin system that can selectively kill bacteria when they suffer from DNA damage. This discovery could lead to new treatments for bacterial infections by forcing bacteria to turn their weapons against themselves.

SourceUniversité de Genève·JournalNature Microbiology·DateFeb 22, 2016

Engineered anti-toxin antibodies improve efficacy

Researchers at The Rockefeller University demonstrate that engineering Fc domains of anti-toxin antibodies enhances toxin neutralization activity. Mice expressing humanized FcR were better protected from anthrax toxin when given engineered anti-anthrax toxin antibodies.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJan 9, 2014

JCI early table of contents for Jan. 9, 2014

Engineered anti-toxin antibodies have been shown to increase toxin neutralization activity by enhancing the interaction between toxins and Fc receptors on immune cells, improving protection against anthrax toxin. Additionally, prenatal retinoid deficiency has been linked to airway hyperresponsiveness in adult mice, highlighting the imp...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJan 9, 2014

Turning bacteria against themselves

Scientists at Washington University School of Medicine have identified a protective mechanism in Streptococcus pyogenes that could be exploited to create new antibiotics. The discovery reveals how the antitoxin blocks the toxin's activity, sparing the bacteria from self-destruction.

SourceWashU Medicine·JournalStructure·DateFeb 8, 2011

New antibody shows promise as cure for anthrax

A new high-affinity antibody successfully eliminated anthrax bacteria and its deadly toxins in animal tests, offering a promising treatment for late-stage anthrax infection. The antibody produced in bacterial cells could lead to a simpler and cheaper way to treat anthrax, providing an effective treatment that doesn't require antibiotics.

SourceUniversity of Texas at Austin·JournalInfection and Immunity·DateNov 29, 2005