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  • Title: Schisandrae Chinensis Fructus inhibits behavioral deficits induced by sleep deprivation and chronic unpredictable mild stress via increased signaling of brain-derived neurotrophic factor.
    Author: Yan T, Sun Y, Xiao F, Wu B, Bi K, He B, Jia Y.
    Journal: Phytother Res; 2019 Dec; 33(12):3177-3190. PubMed ID: 31468620.
    Abstract:
    The present study was undertaken to explore the interactions between sleep deprivation (SD) and Schisandrae Chinensis Fructus (SCF) treatment in the antidepressant-like effects. We observed that SD aggravated the anxiety-like behavior induced by chronic unpredictable mild stress (CUMS) in the elevated plus maze test. However, the forced swimming test and sucrose preference test showed that SD (12 hr) alleviated the depressive symptoms and SD (72 hr) has the opposite effects. Administration of SCF showed a promising therapeutic effect on depression and anxiety induced by CUMS and SD. Moreover, SCF could potential strengthen the antidepressant-like effects of SD (12 hr) according to the behavioral tests. In addition, the BDNF level in hippocampus was elevated by SD (12 hr) and SCF treatment and together with the upregulation of TrkB/CREB/ERK and PI3K/AKT/GSK3β/mTOR signaling pathways. Besides, the protein levels of p70S6K and PSD95, which are downstream targets of mTOR, also increased by the treatment. These results indicated that the antidepressant-like effect of SCF in the CUMS depends on the activation of BDNF and the modulation of TrkB/CREB/ERK and PI3K/AKT/GSK3β/mTOR signaling cascades, and SD (12 hr) shared a common etiology consisting of complex bidirectional interactions with SCF.
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