Polymorphisms of the human apolipoprotein E promoter and bleomycin hydrolase gene: Risk factors for Alzheimer's dementia?

J. Thome, J. C. Gewirtz, N. Sakai, V. Zachariou, P. Retz-Junginger, W. Retz, R. S. Duman, M. Rösler

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

In addition to the apolipoprotein E (ApoE) tri-allele polymorphism, genetic variants of the apolipoprotein E promoter (-491A/T) and the bleomycin hydrolase (BH-PEN) gene have also been proposed as genetic risk factors for Alzheimer's dementia (AD). Since reports about the relevance of these polymorphisms for the pathogenesis of AD have been contradictory, we performed an association study with some modifications. First, the control group in this study was made up of non-demented psychiatric inpatients, rather than healthy subjects. This procedure allows the specificity of the relationship between a given genotype and AD (as opposed to other psychiatric disorders) to be determined. Second, as an alternative to preexisting relatively time consuming techniques, BH-PEN polymorphism was determined using a simplified method based on PCR genotyping. We found a significant linkage disequilibrium between the -491A/T and ApoE polymorphisms. However, no direct association was observed between the -491A/T or BH-PEN polymorphism and AD. Copyright (C) 1999 Elsevier Science Ireland Ltd.

Original languageEnglish (US)
Pages (from-to)37-40
Number of pages4
JournalNeuroscience Letters
Volume274
Issue number1
DOIs
StatePublished - Oct 15 1999

Keywords

  • Alzheimer's dementia
  • Apolipoprotein
  • Bleomycin hydrolase
  • Genetics
  • Polymorphism
  • Risk factor

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