The complex interaction between APOE promoter and AD: An Italian case-control study

Alessandra Bizzarro, Davide Seripa, Adele Acciarri, Maria Giovanna Matera, Alberto Pilotto, Francesco Danilo Tiziano, Christina Brahe, Carlo Masullo

Research output: Contribution to journalArticle

Abstract

The single nucleotide polymorphisms (SNPs) rs449647, rs769446 and rs405509 in the promoter region of the APOE gene have been variously suggested to be e4-independent risk factors for Alzheimer's disease (AD). A previous Italian study found that the rs449647 was significantly associated with late-onset AD. The aim of this study was to verify whether these APOE promoter SNPs are genetic risk factors for AD and to investigate their interaction with the common APOE polymorphism. A total of 169 clinically diagnosed AD patients and 99 cognitively intact age-matched controls were included in the study. Significant associations with AD independent from sex, age and APOE/e4 status were found for rs449647 A/A and rs405509 G/G genotypes (positive), and rs449647 A/T and rs405509 T/T genotypes (negative). Haplotype frequency estimation at the APOE locus showed significant associations for the ATG4, ATT4 and ACG3 (positive) and ATT2, ATT3 and TCG3 (negative) haplotypes. Therefore this study confirms the role of the rs449647 A/A genotype as risk factor for AD in Italy and suggests that promoter genotypes and APOE haplotypes might have a complex function in AD-associated genetic risk factors.

Original languageEnglish
Pages (from-to)938-945
Number of pages8
JournalEuropean Journal of Human Genetics
Volume17
Issue number7
DOIs
Publication statusPublished - 2009

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Case-Control Studies
Alzheimer Disease
Genotype
Haplotypes
Single Nucleotide Polymorphism
Genetic Promoter Regions
Italy
Genes

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Bizzarro, A., Seripa, D., Acciarri, A., Matera, M. G., Pilotto, A., Tiziano, F. D., ... Masullo, C. (2009). The complex interaction between APOE promoter and AD: An Italian case-control study. European Journal of Human Genetics, 17(7), 938-945. https://doi.org/10.1038/ejhg.2008.263

The complex interaction between APOE promoter and AD : An Italian case-control study. / Bizzarro, Alessandra; Seripa, Davide; Acciarri, Adele; Matera, Maria Giovanna; Pilotto, Alberto; Tiziano, Francesco Danilo; Brahe, Christina; Masullo, Carlo.

In: European Journal of Human Genetics, Vol. 17, No. 7, 2009, p. 938-945.

Research output: Contribution to journalArticle

Bizzarro, A, Seripa, D, Acciarri, A, Matera, MG, Pilotto, A, Tiziano, FD, Brahe, C & Masullo, C 2009, 'The complex interaction between APOE promoter and AD: An Italian case-control study', European Journal of Human Genetics, vol. 17, no. 7, pp. 938-945. https://doi.org/10.1038/ejhg.2008.263
Bizzarro, Alessandra ; Seripa, Davide ; Acciarri, Adele ; Matera, Maria Giovanna ; Pilotto, Alberto ; Tiziano, Francesco Danilo ; Brahe, Christina ; Masullo, Carlo. / The complex interaction between APOE promoter and AD : An Italian case-control study. In: European Journal of Human Genetics. 2009 ; Vol. 17, No. 7. pp. 938-945.
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