News tagged with toxic molecules
Scientists identify most lethal known species of prion protein
Scientists from the Florida campus of The Scripps Research Institute have identified a single prion protein that causes neuronal death similar to that seen in "mad cow" disease, but is at least 10 times more ...
Feb 09, 2012 |
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'Left-handed iron corkscrews' point the way to new weapon in battle against superbugs like MRSA
Scientists at the University of Warwick have taken inspiration from corkscrew structures found in nature to develop a new weapon in the fight against infections like E-coli and MRSA.
Nov 28, 2011 |
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Novel DNA-sensing pathway in immune response to malaria
Until very recently, it was unclear why infection with malaria causes fever and, under severe circumstances, an infectious death. Although the parasite has an abundance of potentially toxic molecules, no one knew which ones ...
Aug 04, 2011 |
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Surprising culprits behind cell death from fat and sugar overload
Excess nutrients, such as fat and sugar, don't just pack on the pounds but can push some cells in the body over the brink. Unable to tolerate this "toxic" environment, these cells commit suicide.
Jul 05, 2011 |
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The code for survival: Cells fight stress by reprogramming a system of RNA modifications
(PhysOrg.com) -- When cells are exposed to life-threatening stresses, they take quick action to save themselves. Among other defenses, they start manufacturing proteins that perform critical tasks such as ...
Dec 17, 2010 |
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Fountain of youth in bile? Longevity molecule identified
The human quest for longer life may be one step closer, thanks to research from Concordia University. Published in the journal Aging, a new study is the first to identify the role of a bile acid, called lithocholic acid ( ...
Sep 15, 2010 |
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Tracing the traces: Nanogram concentrations of a toxic compound detected in chlorinated tap water
(PhysOrg.com) -- Drinking water can transmit a number of diseases, including typhoid, dysentery, cholera, and diarrhea, which can then spread explosively throughout an entire service area. To avoid this problem, drinking ...
Chemistry / Analytical Chemistry
Dec 23, 2009 |
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High urea levels in chronic kidney failure might be toxic after all
It is thought that the elevated levels of urea (the byproduct of protein breakdown that is excreted in the urine) in patients with end-stage kidney failure are not particularly toxic.
Dec 02, 2009 |
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Researchers create prostate cancer 'homing device' for drug delivery
A new prostate cancer "homing device" could improve detection and allow for the first targeted treatment of the disease.
Jul 06, 2009 |
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Researchers block immune cell rush behind deadly sepsis
Researchers have found a way to block the ability of white blood cells to sprint toward the sites of infection when such speed worsens the damage done by sepsis, the often fatal, whole-body bacterial infection, according ...
Feb 24, 2009 |
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