News tagged with protein toxin
Discovery of extremely long-lived proteins may provide insight into cell aging
One of the big mysteries in biology is why cells age. Now scientists at the Salk Institute for Biological Studies report that they have discovered a weakness in a component of brain cells that may explain ...
Feb 03, 2012 |
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Fail-safe system may lead to cures for inherited disorders
Scientists at the University of California, San Diego School of Medicine have uncovered a previously unknown fail-safe (compensatory) pathway that potentially protects the brain and other organs from genetic and environmental ...
Sep 15, 2011 |
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Researchers discover path to blocking fatal toxins
A team of researchers at the Hebrew University of Jerusalem says it has found a way to block a group of fatal bacterial toxins that have to date resisted all attempts to arrest them through the use of conventional drugs.
Sep 13, 2011 |
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Physicist detects movement of macromolecules engineered into our food
Toxin proteins are genetically engineered into our food because they kill insects by perforating body cell walls, and Professor Rikard Blunck of the University of Montreal's Group for the study of membrane proteins (GEPROM) ...
Chemistry / Analytical Chemistry
Sep 12, 2011 |
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New therapy for HER2-positive breast cancer developed
Patients with HER2-positive breast cancer may soon have an alternative therapy when they develop resistance to trastuzumab, also known as Herceptin, according to a laboratory finding published in Clinical Cancer Research.
Jul 26, 2011 |
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Targeting toxin trafficking
Toxins produced by plants and bacteria pose a significant threat to humans, as emphasized by the recent effects of cucumber-borne Shiga toxin in Germany. Now, new research published on July 21st by the Cell Press journal ...
Jul 21, 2011 |
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Discovery offers molecular insights into link between Parkinson's and pesticides
In a new article published in the journal Molecular Neurodegeneration, researchers at the University of Missouri School of Medicine take some of the first steps toward unraveling the molecular dysfunction that o ...
Medicine & Health / Neuroscience
Jun 22, 2011 |
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Study compares two types of botulinum toxin for cosmetic use
Not all varieties of botulinum toxin seem to be equally effective in reducing crow's feet wrinkles, according to a report published Online First today by Archives of Facial Plastic Surgery.
Jun 20, 2011 |
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Discovery of controlled swarm in bacteria
A study led by Spanish researchers from Universitat Autonoma de Barcelona (UAB) describes one of the mechanisms in which pathogenic bacteria populations control the way they spread over the surface of the ...
Jun 22, 2010 |
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New study helps explain how botulism-causing toxin can enter circulation
New research in the Journal of Cell Biology helps explain how the toxic protein responsible for botulism can enter circulation from the digestive system. The study appears online May 10.
May 10, 2010 |
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Raising the alarm when DNA goes bad (w/ Video)
Scientists have known for a long time that when DNA is damaged, a key enzyme sets off a cellular "alarm bell" to alert the cell to start the repair process, but until recently little was known about how the cell detects and ...
Aug 13, 2009 |
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Discovery of a mechanism controlling the fate of hematopoietic stem cells
(PhysOrg.com) -- Hematopoietic stem cells are capable of manufacturing all types of blood cells. But which factors influence the production of a specific type of cell? Until now, it was thought that this was ...
Jul 30, 2009 |
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How Botulism Paralyzes Nerve Cells: New Details Revealed
(PhysOrg.com) -- New structures of a botulism toxin interacting with a mimic of the nerve-cell protein it destroys suggest new ways to block this often-fatal interaction. Indeed, the mimic molecules have such ...
Jun 22, 2009 |
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'Gene silencing' may improve treatment of a deadly complication of liver disease
A technique that “silences,” or turns off, genes shows promise as a potential new treatment for liver fibrosis — the disease that leads to cirrhosis — scientists in Tennessee are reporting. Their study is scheduled for the ...
May 27, 2009 |
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Researchers make significant strides in identifying cause of bacterial infections
Several bacterial pathogens use toxins to manipulate human host cells, ultimately disturbing cellular signal transduction. Until now, however, scientists have been able to track down only a few of the proteins that interact ...
Apr 22, 2009 |
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