Apolipoprotein E isoform-dependent effects on anxiety and cognition in female TR mice

Jessica A. Siegel, Gwendolen E. Haley, Jacob Raber

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Compared with apoE3, apoE4 is associated with increased risk to develop age-related cognitive decline, particularly in women. In this study, young, middle-aged, and old female mice expressing human apoE under control of the mouse apoE promoter were behaviorally analyzed. Cognitive performance in the water maze decreased with age in all mice. Compared with apoE2 and apoE3 mice, apoE4 mice showed better cognitive performance and higher measures of anxiety than apoE2 and apoE3 mice. Measures of anxiety correlated with cognitive performance in the water maze and passive avoidance tests and might have contributed to the enhanced cognitive performance of the apoE4 mice. ApoE4 mice showed better water maze learning and higher cortical apoE levels than mice expressing apoE4 in astrocytes under control of the GFAP promoter. This was not seen in apoE3 mice. There were no line differences in either genotype in spatial memory retention in the probe trial following the last day of hidden platform training. Thus, the promoter used to express apoE4 critically modulates its effects on brain function.

Original languageEnglish (US)
Pages (from-to)345-358
Number of pages14
JournalNeurobiology of Aging
Volume33
Issue number2
DOIs
StatePublished - Feb 2012

Fingerprint

Apolipoproteins E
Cognition
Protein Isoforms
Apolipoprotein E4
Anxiety
Apolipoprotein E3
Apolipoprotein E2
Water
Maze Learning
Astrocytes
Genotype
Brain

Keywords

  • Aging
  • Anxiety
  • Apolipoprotein E
  • Cognition

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)
  • Aging
  • Developmental Biology
  • Geriatrics and Gerontology

Cite this

Apolipoprotein E isoform-dependent effects on anxiety and cognition in female TR mice. / Siegel, Jessica A.; Haley, Gwendolen E.; Raber, Jacob.

In: Neurobiology of Aging, Vol. 33, No. 2, 02.2012, p. 345-358.

Research output: Contribution to journalArticle

Siegel, Jessica A. ; Haley, Gwendolen E. ; Raber, Jacob. / Apolipoprotein E isoform-dependent effects on anxiety and cognition in female TR mice. In: Neurobiology of Aging. 2012 ; Vol. 33, No. 2. pp. 345-358.
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