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- W2616388670 abstract "// Gongying Li 1, * , Ping Jing 2, * , Zhidong Liu 3, * , Zhiruo Li 4 , Hongxia Ma 5 , Wenzhen Tu 2, # , Wei Zhang 2, # and Chuanjun Zhuo 2, 1, 6, 7, # 1 Insitute of Mental health, Jining Medical University, Jining, 272067, China 2 Department of Psychiatry, Wenzhou Seventh People’s Hospital, Wenzhou, Zhejiang Province, 325000, China 3 Tianjin Fourth Central Hospital of Tianjin Medical University, Tianjin, 300000, China 4 Department of Neurology, The Affiliated Hospital of Jining Medical University, Jining, 272000, China 5 Department of Psychiatry, The Second Affiliated Hospital of Jining Medical University, Jining, 272051, China 6 Department of Psychiatric Neuroimaging Laboratory, Tianjin Anding Hospital, Tianjin Mental Health Center, Tianjin 300222, China 7 Department of Psychiatry, Tianjin Anning Hospital, Tianjin 300300, China * These authors have contributed equally to this work # Co First authors Correspondence to: Chuanjun Zhuo, email: chuanjunzhuotjmh@163.com Keywords: brain-derived neurotrophic factor (BDNF), psychological stress, fluoxetine, serotonin Received: January 23, 2017 Accepted: April 29, 2017 Published: May 15, 2017 ABSTRACT SSRI antidepressant fluoxetine is widely used to treat psychological stress related disorders, however the underlying working mechanisms is not fully understood, as SSRIs can rapidly increase the extracellular serotonin levels but it normally takes weeks to reveal their therapeutic effect in the stress-related psychological disorders. Our previous study demonstrated that purely psychological stress without any physic stimuli induces a biphasic change in the expression of brain-derived neurotrophic factor (BDNF), which immediately decrease and then gradually increase after the stress; and that the latter BDNF increase in response to the psychological stress involves the activation of serotonin system. To investigate the role of BDNF in the fluoxetine treatment for stress-related psychological disorders, we examined the mRNA and protein levels of BDNF in the brain of Sprague-Dawley (SD) rats, which were pretreated with fluoxetine at 10 mg/kg or vehicle solution for 14 days, over 24 hour after an acute psychological stress exposure. In situ hybridization and immunohistochemistry were performed to detect the expression of BDNF at different time points in various brain regions after the psychological stress. We found that fluoxetine treatment completely blocked the BDNF decrease induced by the psychological stress, and also enhanced the gradual increase in the expression of BDNF in most of the brain regions except VTA after the psychological stress. The results suggest that the enhancement in BDNF levels induced by chronic fluoxetine treatment mediates the therapeutic effect against psychological stress." @default.
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- W2616388670 date "2017-05-15" @default.
- W2616388670 modified "2023-10-16" @default.
- W2616388670 title "Beneficial effect of fluoxetine treatment aganist psychological stress is mediated by increasing BDNF expression in selected brain areas" @default.
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- W2616388670 doi "https://doi.org/10.18632/oncotarget.17891" @default.
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