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The missing ApoE allele

  • D. Seripa*
  • , M. G. Matera
  • , Antonio Daniele
  • , A. Bizzarro
  • , M. Rinaldi
  • , C. Gravina
  • , L. Bisceglia
  • , R. M. Corbo
  • , F. Panza
  • , V. Solfrizzi
  • , V. M. Fazio
  • , G. D. Forno
  • , C. Masullo
  • , B. Dallapiccola
  • , A. Pilotto
  • *Corresponding author
  • IRCCS Ospedale Casa Sollievo della Sofferenza - San Giovanni Rotondo (FG)
  • Institute for Polymers
  • University of Rome La Sapienza
  • University of Bari
  • Universita Campus Bio-Medico di Roma

Research output: Contribution to journalArticle

Abstract

The human apoE gene (APOE, GenBank accession AF261279) shows a common polymorphism, with the three ε2, ε3 and ε4 alleles resulting from the haplotypes of two C→T SNPs. However, whereas the three common T-T, T-C and C-C haplotypes corresponding to the ε2, ε3 and ε4 alleles are well known, the last C-T haplotype (GenBank accession AY077451), encoding a fourth apoE allele, has rarely been reported. We detected this fourth allele in a Caucasian patient with motor neuron disease (MND). According to the literature we refer to this allele as ε3r. Although several explanations may be proposed for its formation, the existence of this fourth allele is consistent with the evolutionary hypothesis generally accepted for the apoE alleles. The rarity and physiological role of ε3r remains to be explained, and requires further investigation. © 2007 The Authors Journal compilation © 2007 University College London.
Original languageEnglish
Pages (from-to)496-500
Number of pages5
JournalAnnals of Human Genetics
Volume71
Issue number4
DOIs
Publication statusPublished - 2007

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

All Science Journal Classification (ASJC) codes

  • Genetics
  • Genetics(clinical)

Keywords

  • Aged
  • Allele
  • Alleles
  • Apolipoprotein E2
  • Apolipoprotein E3
  • Apolipoprotein E4
  • Apolipoproteins E
  • DNA
  • Genotype
  • Haplotype
  • Humans
  • Male
  • Motor Neuron Disease
  • Sequence Analysis
  • apoE
  • apoE1
  • apoE3r
  • y

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