NDLI: Long-term Ameliorative Effects of the Antidepressant Fluoxetine Exposure on Cognitive Deficits in 3 × TgAD Mice

Content Provider	Springer Nature Link
Author	Jin, Li Gao, Li Feng Sun, Dong Sheng Wu, Hao Wang, Qun Ke, Dan Lei, Hao Wang, Jian Zhi Liu, Gong Ping
Copyright Year	2016
Abstract	Fluoxetine, a selective serotonin reuptake inhibitor, is neuroprotective; therefore, it has been applied to treat some neurodegenerative disorders. For instance, chronic fluoxetine exposure has short-term effects on Alzheimer’s disease (AD). However, the long-term ameliorative effects of fluoxetine exposure on AD have not been reported. In the present study, 6-month-old 3 × TgAD mice were treated with fluoxetine for 15 days, and then the influence of fluoxetine was detected at 20 days after the drug withdrawal. We found that chronic fluoxetine treatment ameliorated cognitive deficits of 3 × TgAD mice and increased the volume of the hippocampal CA1 and dentate gyrus (DG) with increased neuron number and dendritic spine density. Meanwhile, fluoxetine exposure also stimulated the long-term potentiation (LTP) in hippocampal DG. The synaptic-related protein expression increased via activation of the cyclic AMP response element binding (CREB) protein/brain-derived neurotrophic factor (BDNF) signaling pathway induced by fluoxetine exposure. Lastly, we found that fluoxetine treatment decreased beta-amyloid (Aβ) levels. These results further certified that fluoxetine may be a potent effective drug for AD.
Starting Page	4160
Ending Page	4171
Page Count	12
File Format	PDF
ISSN	08937648
Journal	Molecular Neurobiology
Volume Number	54
Issue Number	6
e-ISSN	15591182
Language	English
Publisher	Springer US
Publisher Date	2016-06-21
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fluoxetine Alzheimer’s disease Cognitive MRI BDNF Neurosciences Neurobiology Cell Biology Neurology
Content Type	Text
Resource Type	Article
Subject	Neurology Cellular and Molecular Neuroscience

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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