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Li, Ye; Chen, Xiao; Lan, Tian; Wang, Wenjing; Wang, Changmin; Chang, Mengni; Yu, Zhaoying; Yu, Shuyan
International journal of biological macromolecules, July 2024, 2024-07-00, 20240701, Letnik: 273, Številka: Pt 2Journal Article
Depression is a neuropsychiatric disorder characterized by persistent pleasure loss and behavioral despair. However, the potential mechanisms and therapeutic targets for depression treatment remain unclear. Therefore, identifying the underlying pathogenesis of depression would promote the development of novel treatment and provide effective targets for antidepressant drugs. In this study, proteomics analysis showed that the expression level of phosphatase and actin regulator 4 (Phactr4) was significantly increased in the CA1 hippocampus of depressed rats. The upregulated Phactr4 might induce dysfunction of the synaptic structure via suppressing the p-LIMK/p-Cofilin signaling pathway, and promote neuroinflammation via activating the NF-κB/NLRP3 pathway, which ultimately contributes to the pathogenesis of depression. In contrast, the downregulation of Phactr4 in hippocampal CA1 of depressed rats alleviated depression-like behaviors, along with reducing neuroinflammation and improving synaptic plasticity. In conclusion, these findings provide evidence that Phactr4 plays an important role in regulating neuroinflammatory response and impairment of synaptic plasticity, effects seem to involve in the pathogenesis of depression, and Phactr4 may serve as a potential target for antidepressant treatment. Display omitted •CUMS exposure induced depression-like behaviors accompanied with the dysregulation of synaptic plasticity in hippocampal CA1.•CUMS exposure caused neuroinflammation in hippocampal CA1pyramidal neurons.•CUMS exposure caused increased level of Phactr4 in hippocampal CA1 region.•Knockdown Phactr4 alleviated depressive behaviors, reduced neuroinflammation and improved the synaptic injury.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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