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Cell study explains why younger people more at risk of vCJD
Specific cells within the immune system could help explain why younger people are more susceptible to variant CJD, scientists believe. view more (2009-10-14)
Prion discovery gives clue to control of mass gene expression
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, often associated with degenerative brain diseases like "mad cow" and its human counterpart, Creutzfeldt-Jakob. view more (2009-03-16)
Protein involved in mad cow disease
This study, published in Brain Research, is an addition to the work of the Department of Pathological Histology and Anatomy at the University of Navarra regarding the manner in which prions enter the digestive tube of bovine animals, from which organ they enter the central nervous system, causing the mad cow disease or bovine spongiform... view more... (2005-10-19)
Prion Research Center to open today - Hebrew University-hadassah Medical School Researchers Working To Prevent Mad Cow Disease
Prion Research Center to open today Jerusalem, July 31, 2002 - Scientists around the world are striving to learn as much as possible about the phenomenon that causes mad cow disease so that they will be prepared if and when an epidemic breaks out, according to Dr. Albert Taraboulos of the Institute of Microbiology of the Hebrew University-Hadassah... view more... (2002-07-31)
Prions link cholesterol to neurodegeneration
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 mechanism by which prions cause neurodegeneration and could point to a role for cholesterol in other neurodegenerative diseases. view more (2008-02-12)
Prion study reveals first direct information about the protein's molecular structure
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. view more (2009-10-07)
Should dentists worry about vCJD transmission?
Existing guidelines on treating patients with diseases such as Creutzfelt-Jakob disease (CJD) do not cover dental health in any detail. Writing in the April Journal of the Royal Society of Medicine, Professor Stephen Porter of the Eastman Dental Institute at the University of London suggests "important modifications" to the current infection... view more... (2002-04-02)
Using plastics to track down prions
BSE still remains a highly emotive subject. Consumers of beef products are not the only ones to have lingering doubts: Scientific experts point out that there may still be a risk of contamination from the cinders and ashes left over when infected animal carcasses are incinerated. The reason for their caution is that, despite intensive research, we... view more... (2002-06-07)
Redefining what it means to be a prion
Whitehead Institute researchers have quintupled the number of identifiable prion proteins in yeast and have further clarified the role prions play in the inheritance of both beneficial and detrimental traits. view more (2009-04-03)
Soil-bound prions that cause CWD remain infectious
Scientists have confirmed that prions, the mysterious proteins thought to cause chronic wasting disease (CWD) in deer, latch on tightly to certain minerals in soil and remain infectious. view more (2006-04-14)
Brittle prions are more infectious
Brittleness is often seen as a sign of fragility. But in the case of infectious proteins called prions, brittleness makes for a tougher, more menacing pathogen. view more (2006-06-29)
Mad cow proteins successfully detected in blood
Researchers at the University of Texas Medical Branch at Galveston (UTMB) have found a way to detect in blood the malformed proteins that cause "mad cow disease," the first time such "prions" have been detected biochemically in blood. view more (2005-08-29)
Deadly infectious entity of prions discovered
The mysterious, highly infectious prions, which cause the severe destruction of the brain that characterizes "mad cow disease" and several human brain degenerative disorders, can be rendered harmless in the laboratory by a slight alternation of the three-dimensional conformation or shape of the prion protein's structure. view more (2005-06-10)
The Protein Srebp2 Drives Cholesterol Formation in Prion-Infected Neuronal Cells Which May Promote Prion-Dependent Diseases
The regulating protein Srebp2 drives cholesterol formation, which prions need for their propagation, in prion-infected neuronal cells. view more (2009-11-19)
Scientists identify prion's infectious secret
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. view more (2007-05-10)
New prion protein discovered by Canadian scientists may offer insight into mad cow disease
Scientists have discovered a new protein that may offer fresh insights into brain function in mad cow disease. "Our team has defined a second prion protein called 'Shadoo', that exists in addition to the well-known prion protein called 'PrP' " said Professor David Westaway, director of the Centre for Prions and Protein Folding Diseases... view more... (2007-08-17)
Scripps scientists develop new tests that identify lethal prion strains quickly and accurately
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. view more (2007-12-05)
Cell cultures can sort out Creutzfeldt-Jacob Disease (CJD) and scrapie infectious agents
Research in Japan and at Yale University School of Medicine shows that infection with a weak strain of Creutzfeldt-Jacob Disease (CJD) prevents infection by more virulent strains and that the protection requires persistent replication by the infectious agent, but not misfolded prions. view more (2005-10-21)
New data on "mad cow" disease
A research team at the University of Navarre has detected the presence of the prion protein in the digestive tract of three animal species: the autochthonous Pyrennean cow, in a primate and in rats. This study is the first to describe the exact location of the "healthy" form of the prion (PrPc), a protein necessary for the development of... view more... (2004-11-16)
Studies validating performance of Pall prion reduction technology presented at AABB
Prion diseases, such as variant Creutzfeldt-Jakob Disease (vCJD), the human form of Bovine Spongiform Encephalopathy or "mad cow" disease, are of growing concern to blood services worldwide because of the potential for transmission through transfusion from asymptomatic donors. view more (2005-10-18)
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