A Superbug Toxin Could Help Fight Infection

A team of British and American researchers report that targeting a toxin produced by nearly all Staphylococcus aureus bacteria, including the "superbug" known as MRSA, could lead to potential new treatments for infection.


The study led by researchers at the University of Edinburgh finds that 95% of staph bacteria release a toxin called SEIX — one of a family of toxins known as superantigens — that triggers an extreme response by the body's immune system and damages healthy cells. When invading bacteria release SEIX, it causes a rapid multiplication of immune cells that, in turn, can lead to high fever, toxic shock and potentially fatal lung infections.   Full Read