ArticleBrain sciences2025
The pCREB/BDNF Pathway in the Hippocampus Is Involved in the Therapeutic Effect of Selective 5-HT Reuptake Inhibitors in Adult Male Rats Exposed to Blast Traumatic Brain Injury.
Article in Brain sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Post-Translational Modifications in Traumatic Brain Injury: Decoding the Proteomic Landscape and Molecular Mechanisms of Secondary Injury.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Review
- The damaged connectome: Mechanisms and consequences of brain network reorganization following neurotrauma.Neuroimage. Reports · 2026Review
- Amygdala-hippocampus circuit regulates stress coping via mGluR5-dependent BDNF signaling.Molecules and cells · 2026Article
- Current State of the Neurotrophin-Based Pharmaceutics in the Treatment of Neurodegenerative Diseases and Neuroinflammation.Medical sciences (Basel, Switzerland) · 2025Review
- Article
- Delayed Fluoxetine Administration Restores Hippocampal Function in a Juvenile Global Cerebral Ischemia Mouse Model in a Sex-Specific Manner.Neural plasticity · 2025Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
backgroundBlast traumatic brain injury (bTBI) can result in depression-like behaviors in the acute and chronic phases. SSRIs have been shown to significantly alleviate depression-like behaviors in animal models of traumatic brain injury (TBI) by increasing serotonin (5-HT) and brain-derived neurotrophic factor (BDNF) in the hippocampus. However, the therapeutic effects of SSRIs on depression caused by bTBI remain unclear.
objectiveTherefore, this study was aimed at investigating the therapeutic effects of SSRIs on depression-like behaviors in bTBI models.
methodsWe created a rat model to study mild TBI by subjecting rats to increased blast overpressures (BOP) and injecting fluoxetine and escitalopram SSRIs intraperitoneally for 28 days.
resultsOn day 14 post-BOP exposure, rats treated with SSRIs showed decreased depression-like behaviors. This finding was accompanied by higher 5-HT levels in the hippocampus and increased numbers of Nestin-positive cells in the dentate gyrus. Furthermore, rats treated with SSRIs exhibited increased pCREB and BDNF protein expression in the hippocampus on days 7, 14, and 28 after bTBI.
conclusionsOverall, our findings indicate that SSRI-induced recovery from depression-like behaviors after mild bTBI is associated with the upregulation of 5-HT levels, pCREB and BDNF expression, and neurogenesis in the hippocampus.
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