Search results for infectious prions
Prions show their good side
Biology /
May 07, 2008 |
4.9 / 5 (8) |
1
Prions, the infamous agents behind mad cow disease and its human variation, Creutzfeldt-Jakob Disease, also have a helpful side. According to new findings from Gerald Zamponi and colleagues, normally functioning prions prevent ...
Tracking Prions
Jun 17, 2008 |
4.6 / 5 (16) |
1
Infectious proteins known as prions have been identified as the cause of “mad cow” disease (BSE). The culprits are “incorrectly folded” proteins that can “infect” healthy proteins. The molecular bases for such prion diseases ...
Infectious, test tube-produced prions can jump the 'species barrier'
Biology /
Sep 04, 2008 |
5 / 5 (9) |
2
Researchers have shown that they can create entirely new strains of infectious proteins known as prions in the laboratory by simply mixing infectious prions from one species with the normal prion proteins of another species. ...
First direct information about the prion's molecular structure reported
Oct 05, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- A collaboration between scientists at Vanderbilt University and the University of California, San Francisco has led to the first direct information about the molecular structure of prions. ...
Prions link cholesterol to neurodegeneration
Biology /
Feb 12, 2008 |
4.5 / 5 (2) |
0
Prion infection of neurons increases the free cholesterol content in cell membranes. A new study published in the online open access journal BMC Biology suggests that disturbances in membrane cholesterol may be the mechan ...
Common soil mineral degrades the nearly indestructible prion
Biology /
Jan 14, 2009 |
5 / 5 (4) |
1
(PhysOrg.com) -- In the rogues' gallery of microscopic infectious agents, the prion is the toughest hombre in town.
Prion discovery gives clue to control of mass gene expression
Mar 13, 2009 |
4.7 / 5 (3) |
1
The discovery in common brewer's yeast of a new, infectious, misfolded protein -- or prion -- by University of Illinois at Chicago molecular biologists raises new questions about the roles played by these curious molecules, ...
Prion propagates in foreign host
Biology /
Jul 05, 2007 |
4.3 / 5 (4) |
0
Prions -- infectious, oddly-folded proteins that are the main suspects in fatal neurodegenerative diseases such as Cruetzfeldt-Jakob and bovine spongiform encephalopathy, or "mad cow" -- remain mostly a mystery to scientists. ...
A nano-sensor for better detection of Mad Cow Disease agent
Nanotechnology / Bio & Medicine
Mar 03, 2008 |
3.3 / 5 (6) |
0
In an advance in food safety, researchers in New York are reporting development of a nano-sized sensor that detects record low levels of the deadly prion proteins that cause Mad Cow Disease and other so-called prion diseases. ...
The protein Srebp2 drives cholesterol formation in prion-infected neuronal cells
Nov 18, 2009 |
4 / 5 (1) |
0
Prions are causing fatal and infectious diseases of the nervous system, such as the mad cow disease (BSE), scrapie in sheep or Creutzfeldt-Jakob disease in humans. Scientists of Helmholtz Zentrum München and Technische Universität ...
Gene mutation alone causes transmissible prion disease
Medicine & Health / Neuroscience
Aug 26, 2009 |
5 / 5 (1) |
0
For the first time, Whitehead Institute researchers have shown definitively that mutations associated with prion diseases are sufficient to cause a transmissible neurodegenerative disease.
Scientists develop new tests that identify lethal prion strains quickly and accurately
Biology /
Dec 04, 2007 |
3.5 / 5 (4) |
0
One of the new in vitro tests, called the Standard Scrapie Cell Assay, measures prion infectivity levels in a highly accurate and extremely rapid way, producing results in less than two weeks. The second test, called the ...
Researchers find new piece of BSE puzzle
Nov 20, 2009 |
not rated yet |
0
A new treatment route for bovine spongiform encephalopathy (BSE) and its human form Creutzfeldt Jakob disease (CJD) could be a step closer based on new results from scientists at the University of Leeds. The team has found ...
Scientists identify prion's infectious secret
Biology /
May 09, 2007 |
4.8 / 5 (34) |
0
Researchers have known for decades that certain neurodegenerative diseases, such as mad cow disease or its human equivalent, Cruetzfeldt-Jakob disease, result from a kind of infectious protein called a prion. Remarkably, ...
Scientists devise accelerated method to determine infectious prion strains
May 29, 2009 |
4.4 / 5 (5) |
1
Current tests to identify specific strains of infectious prions, which cause a range of transmissible diseases (such as mad cow) in animals and humans, can take anywhere from six months to a year to yield results - a time-lag ...
