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Simvastatin promotes adult hippocampal neurogenesis by enhancing Wnt/?-catenin signaling.


ABSTRACT: Statins improve recovery from traumatic brain injury and show promise in preventing Alzheimer disease. However, the mechanisms by which statins may be therapeutic for neurological conditions are not fully understood. In this study, we present the initial evidence that oral administration of simvastatin in mice enhances Wnt signaling in vivo. Concomitantly, simvastatin enhances neurogenesis in cultured adult neural progenitor cells as well as in the dentate gyrus of adult mice. Finally, we find that statins enhance Wnt signaling through regulation of isoprenoid synthesis and not through cholesterol. These findings provide direct evidence that Wnt signaling is enhanced in vivo by simvastatin and that this elevation of Wnt signaling is required for the neurogenic effects of simvastatin. Collectively, these data add to the growing body of evidence that statins may have therapeutic value for treating certain neurological disorders.

SUBMITTER: Robin NC 

PROVIDER: S-EPMC3916759 | biostudies-other | 2014 Jan

REPOSITORIES: biostudies-other

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Simvastatin promotes adult hippocampal neurogenesis by enhancing Wnt/β-catenin signaling.

Robin Nicholas C NC   Agoston Zsuzsa Z   Biechele Travis L TL   James Richard G RG   Berndt Jason D JD   Moon Randall T RT  

Stem cell reports 20131226 1


Statins improve recovery from traumatic brain injury and show promise in preventing Alzheimer disease. However, the mechanisms by which statins may be therapeutic for neurological conditions are not fully understood. In this study, we present the initial evidence that oral administration of simvastatin in mice enhances Wnt signaling in vivo. Concomitantly, simvastatin enhances neurogenesis in cultured adult neural progenitor cells as well as in the dentate gyrus of adult mice. Finally, we find t  ...[more]

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