prion

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Related to Prion protein: Prion disease
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  • noun

Words related to prion

(microbiology) an infectious protein particle similar to a virus but lacking nucleic acid

References in periodicals archive ?
Homozygous prion protein genotype predisposes to sporadic Creutzfeldt-Jakob disease.
2007) Scrapie infection of prion protein-deficient cell line upon ectopic expression of mutant prion protein.
Mead's group has shown the source of immunity to be the inheritance of a genetic variant of prion protein G127V.
This variant form of vCJD differs from CJD due to the infectious prion proteins that are found more distributed throughout the bodily tissues such as the spleen and lymphoid tissue (Ryan, R.
Dr Giovanna Mallucci, from the MRC Prion Unit in London, said: "The challenge now is to be able to detect early disease in humans and to develop treatments that can remove normal prion protein.
The underlying pathology of these DWI lesions is unknown but may represent spongiform changes or prion protein deposits.
The human disease, vCJD, and the cattle disease, BSE, also known as "mad cow" disease, both appear to be caused by a mutant form of prion protein.
Of the 11 patients, 8 were heterozygous for valine and methionine at codon 129 of the human prion protein gene.
Prion diseases, or Transmissible Spongiform Encephalopathies, are degenerative diseases of the nervous system caused by transmissible particles that contain a pathogenic isoform of the prion protein, a normal constituent of cell membranes.
Meanwhile, there could be a large pool of symptomless people unaware they are carrying the infectious prion protein.
Meanwhile, there could be a large pool of symptomless people who do not realise they are carrying the infectious prion protein responsible for both the cattle brain disease BSE and vCJD.
A right frontal brain biopsy confirmed CJD by Western blot analysis with the presence of protease-resistant prion protein.
A genotype at codon 129 of the prion protein gene (a genetic marker associated with specific subtypes of CJD) was determined for three of the five CJD deaths confirmed pathologically (Table 1).
It is essential, therefore, that someone determines whether the cavitation proposed can actually destroy the prion protein, and not just amplify larger numbers of smaller infectious aggregates.
Because a conversion of normal PrP to abnormal PrP is associated with disease, research has focused on blocking the ability of the prion protein to assume an abnormal shape.