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Expression (Gene) in the endothelial cells of the mouse male prefrontal cortex (PFC) following 10-day chronic social stress exposure [male CSDS]

ABSTRACT: Expression (Gene) in the endothelial cells of the mouse male prefrontal cortex (PFC) following 10-day chronic social stress exposure [male CSDS]

PROVIDER: PRJNA757402 | ENA |

REPOSITORIES: ENA

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Gene expression analysis of mouse brain regions after chronic social defeat stress (CSDS)

Project description:Chronic psychosocial stress is a risk factor for psychiatric disorders, and genetic factors interact in conferring susceptibility. The chronic social defeat stress (CSDS) mouse model allows identifying factors underlying resilience and susceptibility to chronic psychosocial stress. We used RNA-sequencing to identify genes and pathways affected by CSDS in three brain regions: medial prefrontal cortex (mPFC), ventral hippocampus (vHPC), and bed nucleus of the stria terminalis (BNST), of male mice from strains C57BL/6Crl and DBA/2Crl.

2018-07-04 | GSE109315 | GEO

iTRAQ-based proteomics suggests Ephb6 as a potential regulator of the ERK pathway in the prefrontal cortex of chronic social defeat stress model miceiTRAQ-based proteomics reveals Ephb6 as a potential regulator of the ERK pathway in the prefrontal cortex of chronic social defeat stress model mice

Project description:Purpose: Major depressive disorder (MDD) is a worldwide concern and devastating psychiatric disease. The World Health Organization claims that MDD leads to at least 11.9% of the global burden of disease. However, the underlying pathophysiology mechanisms of MDD remain largely unknown. Experimental design: Herein, we used a proteomic-based strategy to compare the prefrontal cortex (PFC) in chronic social defeat stress (CSDS) model mice with a control group. Based on pooled samples, differential proteins were identified in the PFC proteome using iTRAQ coupled with LC-MS/MS. Results: Ingenuity Pathway Analysis (IPA) was then followed to predict relevant pathways, with the ephrin receptor signaling pathway selected for further research. Additionally, as the selected key proteins of the ephrin receptor signaling pathway, ephrin type-B receptor 6 (EphB6) and the ERK pathway were validated by western blotting. Conclusion and clinical relevant: Altogether, increased understanding of the ephrin receptor signaling pathway in MDD is provided, which implicates further investigation of PFC dysfunction induced by CSDS treatment.

2018-07-05 | PXD007573 | Pride

Expression (Gene) in the endothelial cells of the mouse male prefrontal cortex (PFC) following 10-day chronic social stress exposure [male CSDS]

Project description:Cell-specific transcriptomic analysis were performed on PFC endothelial cells of unstressed controls (CTRL), stress-susceptible (SS) and resilient (RES) mice to identify novel genes and pathways involved in stress responses

2021-10-29 | GSE182671 | GEO

Small RNA Sequencing of mouse prefrontal cortex after chronic social defeat stress (CSDS)

Project description:Small RNA Sequencing of mouse prefrontal cortex after chronic social defeat stress (CSDS)

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Gender specific transcription regulation in the prefrontal cortex following social defeat stress

Project description:Major depressive disorder (MDD) affects ~20% of the world population and is characterized by strong sexual dimorphism with females being 2-3 times more likely to develop this disorder. Previously, we demonstrated that a combination therapy with dihydrocaffeic acid (DHCA) and malvidin-glucoside (Mal-gluc) to synergistically target peripheral inflammation and stress-induced synaptic maladaptation in the brain was effective in alleviating chronic social defeat stress (CSDS)-induced depression-like phenotype in male mice. Here, we test the combination therapy in a female CSDS model for depression and compared sex-specific responses to stress in the periphery and the central nervous system. Similar to male mice, the combination treatment is also effective in promoting resilience against the CSDS-induced depression-like behavior in female mice. However, there are sex-specific differences in peripheral immune responses and differential gene regulation in the prefrontal cortex to chronic stress and to the treatment. These data indicate that while therapeutic approaches to combat stress-related disorders may be effective in both sexes, the mechanisms underlying these effects differ, emphasizing the need for inclusion of both sexes in preclinical studies using animal models.

2020-03-12 | GSE146845 | GEO

Transcriptional response to early life stress in male and female mouse brain

Project description:This study explored the interaction of early life and adult stress on transcriptional and chromosomal states in a 2x2 design. Male and female mice were subjected to early life stress (ELS) or were standard-reared (Std), were housed normally through adolescence, and were then exposed to 10 days of control (Ctl) or chronic social defeat stress (CSDS: males only) or 3 days of sub-threshold variable stress (STVS: females only) conditions in adulthood. Long-lasting transcriptional alterations were assessed in the ventral tegmental area (VTA), nucleus accumbens (NAc), medial prefrontal cortex (PFC), and ventral hippocampus (HIP, males only) in adulthood.

2017-06-28 | GSE89692 | GEO

The influence of early life stress on social behavior and transcriptome in the prefrontal cortex.

Project description:Early life stress (ELS), such as neglect and maltreatment, exhibits a strong impact on the mental and brain development of children. However, it is not fully understood how ELS affects the function in developing prefrontal cortex (PFC). In this study, we performed social isolation on weaned pre-adolescent mice and investigated how ELS could affect the function in behavior and transcriptome in PFC. We found that reductions of social interaction, social preference, and social novelty in ELS mice. Moreover, an increase of anxiety-like behavior was observed in ELS mice, but there were no changes in weight and repetitive behavior. To identify the gene involved in social behavior, we conducted transcriptome analysis and identified 15 differentially expressed genes (DEGs) in the PFC of ELS mice. These genes were involved in transcriptional regulation, stress, and synaptic signaling. We also found that a decreased number of neurons and an increased number of microglia in the PFC of ELS mice. These results suggest that ELS affects PFC cytoarchitecture by stress signal transduction and eventually alters mouse behavior. Our study demonstrates that ELS influences behavior, transcriptome and cytoarchitecture in the brain of adolescent mice.

2021-11-30 | GSE180055 | GEO

Selective oxytocin receptor activation prevents prefrontal circuit dysfunction and social behavioral alterations in response to chronic prefrontal cortex activation in rats

Project description:Social behavioral changes are a hallmark of several neurodevelopmental and neuropsychiatric conditions, nevertheless the underlying neural substrates of such dysfunction remain poorly understood. Building evidence points to the prefrontal cortex (PFC) as one of the key brain regions that orchestrates social behavior. We used this concept with the aim to develop a translational rat model of social-circuit dysfunction, the chronic PFC activation model (CPA). Chemogenetic designer receptor hM3Dq was used to induce chronic activation of the PFC over 10 days, and the behavioral and electrophysiological signatures of prolonged PFC hyperactivity were evaluated. To test the sensitivity of this model to pharmacological interventions on longer timescales, and validate its translational potential, the rats were treated with our novel highly selective oxytocin receptor (OXTR) agonist RO6958375, which is not activating the related vasopressin V1a receptor. CPA rats showed reduced sociability in the three-chamber sociability test, and a concomitant decrease in neuronal excitability and synaptic transmission within the PFC as measured by electrophysiological recordings in acute slice preparation. Sub-chronic treatment with a low dose of the novel OXTR agonist following CPA interferes with the emergence of PFC circuit dysfunction, abnormal social behavior and specific transcriptomic changes. These results demonstrate that sustained PFC hyperactivity modifies circuit characteristics and social behaviors in ways that can be modulated by selective OXTR activation and that this model may be used to understand the circuit recruitment of prosocial therapies in drug discovery.

2023-11-05 | GSE246666 | GEO

Expression (Gene) in the endothelial cells of the mouse female prefrontal cortex (PFC) following 10-day chronic social stress or 6-day subchronic variable stress exposure was compared to male [Male_SS_vs_Female_SS_or_SCVS]

Project description:Cell-specific transcriptomic analysis were performed on PFC endothelial cells of stress-susceptible (SS) and resilient (RES) mice along with females subjected to 6 days of subchronic variable stress to identify novel genes and pathways involved in stress responses. These gene lists were compared to published findings obtained in the male NAc following 10 days of chronic social stress exposure (Dudek et al., 2020)

2021-10-29 | GSE173797 | GEO

Gene expression analysis of mouse BNST and blood cells after chronic social defeat stress (CSDS)

Project description:Chronic psychosocial stress is a risk factor for psychiatric disorders, and genetic factors interact in conferring susceptibility. The chronic social defeat stress (CSDS) mouse model allows identifying factors underlying resilience and susceptibility to chronic psychosocial stress. Following 10 days of CSDS, we collected the brain and blood tissues. We performed (1) AGO2 RNA immunoprecipitation-sequencing (AGO2 RIP-seq) of active miRNAs and their mRNA targets in the BNST. Additionally, we carried out RNA-seq and miRNA-seq from blood cells.

2019-08-15 | GSE122840 | GEO

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