Geniposide Attenuates Mitochondrial Dysfunction and Memory Deficits in APP/PS1 Transgenic Mice

Author(s): Cui Lv, Xiaoli Liu, Hongjuan Liu, Tong Chen, Wensheng Zhang

Journal Name: Current Alzheimer Research

Volume 11 , Issue 6 , 2014

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Oxidative stress and mitochondrial dysfunction appear early and contribute to the disease progression in Alzheimer’s disease (AD), which can be detected extensively in AD patients brains as well as in transgenic AD mice brains. Thus, treatments that result in attenuation of oxidative stress and mitochondrial dysfunction may hold potential for AD treatment. Geniposide, a pharmacologically active component purified from gardenia fruit, exhibits anti-oxidative, antiinflammatory and other important therapeutic properties. However, whether geniposide has any protective effect on oxidative stress and mitochondrial dysfunction in AD transgenic mouse model has not yet been reported. Here, we demonstrate that intragastric administration of geniposide significantly reduces oxidative stress and mitochondrial dysfunction in addition to improving learning and memory in APP/PS1 mice. Geniposide exerts protective effects on mitochondrial dysfunction in APP/PS1 mice through suppressing the mitochondrial oxidative damage and increasing the mitochondrial membrane potential and activity of cytochrome c oxidase. These studies indicate that geniposide may attenuate memory deficits through the suppression of mitochondrial oxidative stress. Thus, geniposide may be a potential therapeutic reagent for halting and preventing AD progress.

Keywords: Alzheimer’s disease, APP/PS1 transgenic mice, cytochrome c oxidase, geniposide, mitochondrial dysfunction, oxidative stress.

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Article Details

Year: 2014
Published on: 11 July, 2014
Page: [580 - 587]
Pages: 8
DOI: 10.2174/1567205011666140618095925
Price: $65

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