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The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Regulation of hippocampal cholesterol metabolism by apoE and environmental stimulation

Levi, Ofir, Lütjohann, Dieter, Devir, Aliza, Von Bergmann, Klaus, Hartmann, Tobias, Michaelson, Daniel M.·2005·Journal of Neurochemistry
DOI 10.1111/j.1471-4159.2005.03441.x
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Abstract

Alzheimer's disease is associated with genetic risk factors, of which the allele E4 of apolipoprotein E (apoE4) is the most prevalent, and it is also affected by environmental factors such as early life education. We have recently shown, utilizing apoE‐deficient and apoE transgenic mice, that synaptogenesis in the hippocampus following environmental stimulation is affected by apoE. In view of the pivotal role of cholesterol in synaptic plasticity, and of its suggested role in synaptogenesis, we presently examined the effects of apoE and environmental stimulation on brain cholesterol homeostasis. The hippocampal levels of cholesterol and its precursors and metabolites in control mice were not affected by exposure to environmental stimulation. In contrast, the hippocampal levels of cholesterol and its precursors lathosterol and desmosterol and metabolite 24S‐hydroxycholesterol were lower in apoE‐deficient mice that were maintained in a regular environmental than those of corresponding control mice, whereas they were markedly elevated following environmental stimulation. Histological and immunohistochemical experiments revealed that the combined stimulatory effects of apoE deficiency and environmental stimulation on cholesterol metabolism were associated with marked activation of hippocampal astrocytes and with the abnormal accumulation of cholesterol in neurons and astrocytes. These effects were rescued similarly in apoE3 and apoE4 transgenic mice. These findings suggest that apoE plays an important role in the translocation of cholesterol from astrocytes to neurons in vivo and in the regulation and homeostasis of this process.

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Crossref · 10.1111/j.1471-4159.2005.03441.x

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9 of 9 references verified0 citation errors · 0 not checkable

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  • ApoE is the major apolipoprotein in the brain and together with apoJ plays a major role in cholesterol metabolism and transport involving lipid efflux and lipid delivery.

    “ApoE is the major apolipoprotein in the brain and together with apolipoprotein J (apoJ) plays a major role in cholesterol metabolism and transport involving lipid efflux and lipid delivery [23–26].”

    From 25-Hydroxycholesterol amplifies microglial IL-1β production in an apoE isoform-dependent manner (2020) · cites this paper as [25]

Citations

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Metadata

Authors
Levi, O., Lütjohann, D., Devir, A., Von Bergmann, K., Hartmann, T., & Michaelson, D. M.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2005-09-27
Volume
95
Issue
4
Pages
987-997
ISSN
  • 0022-3042
  • 1471-4159
DOI
10.1111/j.1471-4159.2005.03441.x
Cited by
29
References
9
Language
en
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)

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