ArticlePLoS pathogens2025
Substitution of histidine 95 by tyrosine in the prion protein causes spontaneous neurodegeneration in transgenic mice.
Article in PLoS pathogens, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Copper Coordination to the Prion Fragment (95-126): Implications for Neurodegenerative Diseases.International journal of molecular sciences · 2026Article
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10 authors.
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Abstract
Prion diseases are neurodegenerative disorders caused by a change in conformation of the prion protein from the cellular form (PrPC) to a misfolded isoform (PrPSc). PrPC is a copper binding protein via histidine residues in the octapeptide repeats (OR) and the non-OR region located at the N-terminus. Although the functional implication of copper binding to PrPC is still under investigation, copper may play a role in prion disease. In this study, we describe transgenic mice expressing mouse prion protein replacing histidine 95 by tyrosine (PrP H95Y) to disrupt the non-OR copper-binding site. Transgenic mice overexpressing PrP H95Y showed clinical signs and died at about 100 days with spongiform degeneration and PK-resistant PrP. Inoculation of brain homogenate from mice overexpressing PrP H95Y to Tga20 mice expressing wild-type PrP also causes lethal, spongiform encephalopathy. We conclude that this substitution could promote PrPC-PrPSc conversion and induce spontaneous prion disease in vivo.
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