Cited by 890Prion Diseases and Protein MisfoldingAlzheimer's disease research and treatmentsAmyloidosis: Diagnosis, Treatment, Outcomes

Homozygous prion protein genotype predisposes to sporadic Creutzfeldt–Jakob disease

Palmer, Mark S., Dryden, Aidan J., Hughes, J. Trevor, Collinge, John·1991·Nature

Abstract

The human prion diseases, Creutzfeldt-Jakob disease (CJD) and Gerstmann-Sträussler syndrome (GSS), are neurodegenerative diseases that are unique in being both infectious and genetic. Transmission of both diseases and the animal spongiform encephalopathies (for example, scrapie and bovine spongiform encephalopathy) to experimental animals by intracerebral inoculation with brain homogenates is well documented. Despite their experimental transmissibility, missense and insertional mutations in the prion protein gene are associated with both GSS and familial CJD, demonstrating that the human familial cases are autosomal dominant diseases. More than 80% of CJD cases occur sporadically, however, and are not known to be associated with mutations. Here we report that 21 of 22 sporadic CJD cases and a further 19 of 23 suspected sporadic CJD cases are homozygous at the polymorphic amino-acid residue 129; 51% of the normal population are heterozygous at this site. We argue that homozygosity predisposes towards sporadic CJD and that this directly supports the hypothesis that interaction between prion protein molecules underlies the disease process.

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Crossref · 10.1038/352340a0

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  • Multiple mutations in the PRNP gene have been linked to various phenotypes of hereditary, sporadic, and iatrogenic CJD.

    “Multiple mutations in the PRNP gene have been linked to various phenotypes of hereditary, sporadic, and iatrogenic CJD (25, 26).”

    From Kuru (2012) · cites this paper as [25]

  • Codon 129 heterozygosity is protective against the development of iatrogenic and sporadic Creutzfeldt-Jakob disease and kuru.

    “Codon 129 heterozygosity is protective against the development of iatrogenic 8 and sporadic 9 Creutzfeldt-Jakob disease and kuru 3,[10][11][12] ;”
  • Prion propagation is favored by homologous PrP interactions.

    “However, prion propagation is favored by homologous PrP interactions.9”

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Authors
Palmer, M. S., Dryden, A. J., Hughes, J. T., & Collinge, J.
Affiliations
St Mary's Hospital (GB)
Venue
Nature
Published
1991-07-25
Volume
352
Issue
6333
Pages
340-342
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2054904323
Cited by
890
References
0
Citations by year
2026: 6 · 2025: 12 · 2024: 20 · 2023: 10 · 2022: 16 · 2021: 18 · 2020: 17 · 2019: 15 · 2018: 21 · 2017: 23 · 2016: 21 · 2015: 21 · 2014: 20 · 2013: 25 · 2012: 32
FWCI
10.44
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
Wellcome Trust
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Prion Diseases and Protein Misfolding
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Amyloidosis: Diagnosis, Treatment, Outcomes
Keywords
sporadic Creutzfeldt-Jakob disease, prion protein, homozygosity, codon 129 polymorphism, prion protein gene mutation, familial CJD, genetic susceptibility, neurodegenerative diseases
MeSH terms
Amino Acid Sequence, Base Sequence, Homozygote, Humans, Creutzfeldt-Jakob Syndrome, Molecular Sequence Data, Scrapie, Viral Proteins, Polymerase Chain Reaction, Open Reading Frames, PrPSc Proteins

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