منابع مشابه
Aggregating Knowledge about Prions and Amyloid
Prions, self-propagating protein structures that can be transmitted between cells and different organisms, usually consist of ordered protein aggregates. Alberti et al. (2009) now present a systematic approach for the discovery of new prions that expands the spectrum of their biological functions.
متن کاملPrions Ex Vivo: What Cell Culture Models Tell Us about Infectious Proteins
Prions are unconventional infectious agents that are composed of misfolded aggregated prion protein. Prions replicate their conformation by template-assisted conversion of the endogenous prion protein PrP. Templated conversion of soluble proteins into protein aggregates is also a hallmark of other neurodegenerative diseases. Alzheimer's disease or Parkinson's disease are not considered infectio...
متن کاملPrions.
The discovery of infectious proteins, denoted prions, was unexpected. After much debate over the chemical basis of heredity, resolution of this issue began with the discovery that DNA, not protein, from pneumococcus was capable of genetically transforming bacteria (Avery et al. 1944). Four decades later, the discovery that a protein could mimic viral and bacterial pathogens with respect to the ...
متن کاملPrions.
Infectious proteins (prions) are usually self-templating filamentous protein polymers (amyloids). Yeast prions are genes composed of protein and, like the multiple alleles of DNA-based genes, can have an array of "variants," each a distinct self-propagating amyloid conformation. Like the lethal mammalian prions and amyloid diseases, yeast prions may be lethal, or only mildly detrimental, and sh...
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ژورنال
عنوان ژورنال: Anaesthesia
سال: 2013
ISSN: 0003-2409
DOI: 10.1111/anae.12439