Dozens potentially exposed to toxic mercury in Houston spill

Dozens of people in Houston potentially were exposed to the toxic metal mercury after it was spilled outside a Walmart, a Sonic Drive-In and a gas station, officials said. Federal and local investigators were trying to determine ...

Researchers find lead in turmeric

It's billed as a health booster and healing agent, but it may be the source of cognitive defects and other severe ailments. A new Stanford-led study reveals that turmeric—a commonly used spice throughout South Asia—is ...

Botulinum-type toxins jump to a new kind of bacteria

Enterococci are hardy microbes that thrive in the gastrointestinal tracts of nearly all land animals, including our own, and generally cause no harm. But their ruggedness has lately made them leading causes of multi-drug-resistant ...

New insights into the toxin behind tetanus

Tetanus toxin is the neurotoxin that causes lockjaw. Many are vaccinated, but tetanus still kills tens of thousands of people per year worldwide. Researchers from the Department of Biochemistry and Biophysics, led by Dr. ...

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Neurotoxin

A neurotoxin is a toxin that acts specifically on nerve cells (neurons), usually by interacting with membrane proteins such as ion channels. Some sources are more general, and define the effect of neurotoxins as occurring at nerve tissue. Bungarotoxin, which is considered a neurotoxin, has its effect at the motor end plate.

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