Tag: "prion" at biology news
Soil particles found to boost prion's capacity to infect
...ns, a group led by University of Wisconsin-Madison prion
expert Judd Aiken reports that prions, the protein...s such as deer and sheep, which are susceptible to prion
infection, tend to consume a fair amount of dirt daily as they graze and forage. They are also known...
Prion propagates in foreign host
...agate is not fully understood. New insights into prion
propagation reported in the July 6 issue of Molecu...in baker's yeast, while Saupe's research looked at prion
protein in another fungus. A key difference between the two is that the yeast prion
proteins are ...
Variant CJD -- Prion amplification breakthrough brings new insights and hopes for a blood test
... on other tissues and fluids, including blood. The prion
amplification is dependent on genetic factors, sim... to an abnormal form that is self-replicating as a prion
and toxic to the brain. In variant CJD, this occurs after infection by the bovine spongiform encepha...
Alzheimer's prevention role discovered for prions
A role for prion
proteins, the much debated agents of mad cow disea...tterns of disease progression and in some forms of prion
disease share genetic features. These parallels prompted Professor Hoopers team to look for a link b...
Manganese levels increase in scrapie-infected sheep before clinical symptoms develop
... in the blood as a potential diagnostic marker for prion
infection. At present, only post-mortem examinatio...espectively. They are transmitted by mis-formed prion
proteins which cause tiny loss of brain cell in different regions of the brain, leading to impairmen...
Researchers track how spores break out of dormant state
...ural degenerative diseases, such as Alzheimers and prion
diseases. The extreme physical and chemical resistance of Bacillus spores suggests that evolutionary forces have captured the mechanical rigidity and resistance of these amyloid self-assembling biomaterials to structure the protective outer spore sur...
NMR advance relies on microscopic detector
...d proteins, such as Alzheimers and Huntingtons, or prion
diseases like Cruetzfeld-Jakob disease. It could also allow early detection of glaucoma and cataracts, which could be diagnosed by testing a single teardrop. "You could detect it so early it will become treatable," Zhang said. The new technology co...
Scientists identify prion's infectious secret
... framework for us to begin exploring properties of prion
biology that, up until now, have proven difficult ...yloids. (The brains of animals that have died from prion
infections are literally packed with amyloid clumps.) In order to glean insights into the mechani...
Vaccine prevents prion disease in mice
...ate the mice's immune system, researchers attached prion
proteins to a genetically modified strain of Salmo... attenuated Salmonella strain, which expressed the prion
protein. Then they were divided into two groups those who had high levels of antibodies in their bl...
Alzheimer's, Parkinson's, type 2 diabetes similar at molecular level
...earch gives a strong hypothesis that the origin of prion
strains is encoded in the packing of the molecules in the fibrils which we are seeing in the crystals," Ivanova said. The research unfolded over nearly a decade. A key breakthrough occurred when the UCLA team began working closely with Christian Ri...
Tips from the Journals of the American Society for Microbiology
...zfeldt-Jacob disease in humans, is a transmissible prion
disease most commonly found in deer and elk. Conv...iated form is an important part in the tracking of prion
diseases and researchers are hopeful that rodent-adapted CWD models could assist in therapeutic deve...
ACS News Service Weekly PressPac -- March. 14, 2007
...d safer disposal of animals with Mad Cow and other prion
diseases U. S. envisions a new generation of nuc...isposal of animals infected with Mad Cow and other prion
diseasesEnvironmental Science & Technology Burying prion-infected carcasses of cattle, deer and ot...
NIH funds innovative alzheimer's research initiated at UCSB
...rious transmissible spongiform encephalopathies or prion
diseases. In this latter case Bowers is receiving...ernment to find an ante-mortem test for the bovine prion
disease usually called mad cow disease. The same test, if successful, should also work on deer and ...
Scripps research study reveals structural dynamics of single prion molecules
...bles protein-based inheritance in yeast. When this prion
protein misfolds, it converts into self-perpetuati... Interestingly, the new study revealed that yeast prion
protein Sup35 lacks a specific, static structure in its native collapsed state. Instead, the compact...
Prion disease treatable if caught early
Studies in mice have indicated that the effects of prion
disease could be reversed if caught early enough. ...ping early treatments that aim to reduce levels of prion
protein in the brains of people with prion
disease. Also, they said that their findings suggest test...
Brown team finds crucial protein role in deadly prion spread
...] -- A single protein plays a major role in deadly prion
diseases by smashing up clusters of these infectio...gmentation we studied has a big impact on how fast prion
diseases spread and may also play a role in the accumulation of toxic proteins in neurodegenerative ...
New approach to BSE successful in lab
...ions. What is even more peculiar: exactly the same prion
proteins occur in healthy animals. The only differ...t is an irresistible chain reaction. The malformed prion
proteins can be deposited in the brain, thereby destroying brain tissue. Prion diseases are always f...
JCI table of contents: December 1, 2006
...: Lentivector-mediated RNAi efficiently suppresses prion
protein and prolongs survival of scrapie-infected ...TITLE: RNAi: a novel strategy for the treatment of prion
diseases AUTHOR CONTACT: Qingzhong Kong Case Western Reserve University, Cleveland, Ohio, USA. Ph...
The CReSA is working on a new strategy to combat spongiforms
...issible spongiform encephalopathies, also known as prion
diseases, (which include mad cow disease), is a protein known as the infectious prion
(PrPi), which has no nucleic acid and which produces contagious neurodegenerative diseases in differ...
ACS News Service Weekly PressPac -- Oct. 25, 2006
...stry The urgent search for a medication to treat prion
diseases has led scientists in Germany to synthesize a new group of compounds, including one that is 15 times more potent than an approved drug now being tested in clinical trials. Their report is scheduled for the Nov. 2 issue of the biweekly ACS Jo...
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