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Allelic variations in apolipoprotein E and prion protein genotype related to plaque formation and age of onset in sporadic Creutzfeldt-Jakob disease.

Abstract
Prion gene sequence is thought to affect the phenotypic expression of prion disease and the E2 variant of apolipoprotein E (Apo E) can be neuroprotective in dementia. We determined codon 129 of the prion gene and the Apo E variants in Creutzfeldt-Jakob disease (CJD) using PCR and restriction digest. We found a significant correlation between valine at codon 129 of the prion protein gene and the presence of plaque in CJD and a later age of onset in CJD cases possessing the Apo E2 allele. This study provides further evidence that sequence variations in the prion gene can modify disease pathology and the neuroprotection afforded by Apo E2 is not confined to Alzheimer's disease.
AuthorsS M Pickering-Brown, D M Mann, F Owen, J W Ironside, R de Silva, D A Roberts, D J Balderson, P N Cooper
JournalNeuroscience letters (Neurosci Lett) Vol. 187 Issue 2 Pg. 127-9 (Mar 03 1995) ISSN: 0304-3940 [Print] Ireland
PMID7783958 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Apolipoproteins E
  • Prions
Topics
  • Age of Onset
  • Aged
  • Alleles
  • Apolipoproteins E (genetics)
  • Creutzfeldt-Jakob Syndrome (genetics, pathology)
  • Female
  • Genotype
  • Humans
  • Male
  • Middle Aged
  • Polymerase Chain Reaction
  • Polymorphism, Genetic
  • Prions (genetics)

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