A SAGE study of apolipoprotein E3/3, E3/4 and E4/4 allele-specific gene expression in hippocampus in Alzheimer disease

Pu Ting Xu, Yi Ju Li, Xue Jun Qin, Charles Kroner, Anya Green-Odlum, Hong Xu, Tian Yuan Wang, Donald E. Schmechel, Christine M. Hulette, John Ervin, Mike Hauser, Jonathan Haines, Margaret A Pericak-Vance, John Gilbert

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

APOE4 allele is a major risk factor for late-onset Alzheimer disease (AD). The mechanism of action of APOE in AD remains unclear. To study the effects of APOE alleles on gene expression in AD, we have analyzed the gene transcription patterns of human hippocampus from APOE3/3, APOE3/4, APOE4/4 AD patients and normal control using Serial Analysis of Gene Expression (SAGE). Using SAGE, we found gene expression patterns in hippocampus of APOE3/4 and APOE4/4 AD patients differ substantially from those of APOE3/3 AD patients. APOE3/4 and APOE4/4 allele expression may activate similar genes or gene pools with associated functions. APOE4 AD alleles activate multiple tumor suppressors, tumor inducers and negative regulator of cell growth or repressors that may lead to increased cell arrest, senescence and apoptosis. In contrast, there is decreased expression of large clusters of genes associated with synaptic plasticity, synaptic vesicle docking and fusing and axonal/neuronal outgrowth. In addition, reduction of neurotransmitter receptors and Ca2+ homeostasis, disruption of multiple signal transduction pathways, loss of cell protection, and perhaps most notably, mitochondrial oxidative phosphorylation/energy metabolism are associated with APOE3/4 and APOE4/4 AD alleles. These findings may help define the mechanisms that APOE4 contribute that increase risk for AD and identify new candidate genes conferring susceptibility to AD.

Original languageEnglish
Pages (from-to)313-331
Number of pages19
JournalMolecular and Cellular Neuroscience
Volume36
Issue number3
DOIs
StatePublished - Nov 1 2007
Externally publishedYes

Fingerprint

Apolipoprotein E3
Hippocampus
Alzheimer Disease
Alleles
Gene Expression
Genes
Gene Pool
Neurotransmitter Receptor
Neuronal Plasticity
Cytoprotection
Synaptic Vesicles
Cell Aging
Oxidative Phosphorylation
Multigene Family
Energy Metabolism
Signal Transduction
Neoplasms
Homeostasis
Apoptosis
Growth

Keywords

  • Alzheimer disease
  • Apolipoprotein E
  • Apoptosis
  • Serial analysis of gene expression (SAGE)
  • Signal pathways

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience
  • Developmental Neuroscience

Cite this

A SAGE study of apolipoprotein E3/3, E3/4 and E4/4 allele-specific gene expression in hippocampus in Alzheimer disease. / Xu, Pu Ting; Li, Yi Ju; Qin, Xue Jun; Kroner, Charles; Green-Odlum, Anya; Xu, Hong; Wang, Tian Yuan; Schmechel, Donald E.; Hulette, Christine M.; Ervin, John; Hauser, Mike; Haines, Jonathan; Pericak-Vance, Margaret A; Gilbert, John.

In: Molecular and Cellular Neuroscience, Vol. 36, No. 3, 01.11.2007, p. 313-331.

Research output: Contribution to journalArticle

Xu, PT, Li, YJ, Qin, XJ, Kroner, C, Green-Odlum, A, Xu, H, Wang, TY, Schmechel, DE, Hulette, CM, Ervin, J, Hauser, M, Haines, J, Pericak-Vance, MA & Gilbert, J 2007, 'A SAGE study of apolipoprotein E3/3, E3/4 and E4/4 allele-specific gene expression in hippocampus in Alzheimer disease', Molecular and Cellular Neuroscience, vol. 36, no. 3, pp. 313-331. https://doi.org/10.1016/j.mcn.2007.06.009
Xu, Pu Ting ; Li, Yi Ju ; Qin, Xue Jun ; Kroner, Charles ; Green-Odlum, Anya ; Xu, Hong ; Wang, Tian Yuan ; Schmechel, Donald E. ; Hulette, Christine M. ; Ervin, John ; Hauser, Mike ; Haines, Jonathan ; Pericak-Vance, Margaret A ; Gilbert, John. / A SAGE study of apolipoprotein E3/3, E3/4 and E4/4 allele-specific gene expression in hippocampus in Alzheimer disease. In: Molecular and Cellular Neuroscience. 2007 ; Vol. 36, No. 3. pp. 313-331.
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