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Zfp189 Mediates Stress Resilience Through a CREB-Regulated Transcriptional Network in Prefrontal Cortex

ABSTRACT: Zfp189 Mediates Stress Resilience Through a CREB-Regulated Transcriptional Network in Prefrontal Cortex

PROVIDER: PRJNA485156 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7661110_1.fastq.gz	Fastqsanger.gz
	SRR7661110_2.fastq.gz	Fastqsanger.gz
	SRR7661120_1.fastq.gz	Fastqsanger.gz
	SRR7661120_2.fastq.gz	Fastqsanger.gz
	SRR7661130_1.fastq.gz	Fastqsanger.gz

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Zfp189 Mediates Stress Resilience Through a CREB-Regulated Transcriptional Network in Prefrontal Cortex

Project description:Stress resilience involves numerous brain-wide transcriptional changes. Determining the organization and orchestration of these transcriptional events may reveal novel antidepressant targets, but this remains unexplored. Here, we characterize the resilient transcriptome with co-expression analysis and identify a single transcriptionally-active uniquely-resilient gene network. Zfp189, a previously unstudied zinc finger protein, is the top network key driver and its overexpression in prefrontal cortical (PFC) neurons preferentially activates this network, alters neuronal activity and promotes behavioral resilience. CREB, which binds Zfp189, is the top upstream regulator of this network. To probe CREB-Zfp189 interactions as a network regulatory mechanism, we employ CRISPR-mediated locus-specific transcriptional reprogramming to direct CREB selectively to the Zfp189 promoter. This single molecular interaction in PFC neurons recapitulates the pro-resilient Zfp189-dependent downstream effects on gene network activity, electrophysiology and behavior. These findings reveal an essential role for Zfp189 and a CREB-Zfp189 regulatory axis in mediating a central transcriptional network of resilience.

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Prefrontal cortex cytoplasmic proteome and machine learning-based predictors of resilience towards chronic social isolation in rats

Project description:Chronic social isolation (CSIS) generates two stress-related phenotypes, resilience and susceptibility. Although brain energy metabolism is important in regulating social behaviors, the molecular mechanisms underlying CSIS resilience remain unclear. To identify protein changes and altered biochemical pathways and processes for resilience to CSIS, prefrontal cortical cytosolic proteomic profiling was performed comparing CSIS-resilient with CSIS-susceptible and control rats. Potential predictive proteins discriminating between the CSIS-resilient and CSIS-susceptible groups were identified by support vector machine-based sequential feature selection and random forest-based feature importance scores. Predominantly decreased levels of glycolytic enzymes, G protein-coupled receptor proteins, Ras subfamily of GTPase proteins, and antioxidant proteins were found in CSIS-resilient vs. CSIS-susceptible groups. Altered levels of Gapdh and proteins involved in microtubule and cytoskeletal organization, and calcium-binding proteins were identified between the two phenotypes. These dynamic changes were accompanied by increased levels of proteins involved in GABA synthesis, the proteasome system, nitrogen metabolism, and chaperone-mediated protein folding. The overall ratio of significantly up- and down-regulated cytosolic proteins suggests adaptive cellular alterations as part of the stress-coping process specific for the CSIS-resilient phenotype.

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Transcriptome signatures of the medial prefrontal cortex underlying GABAergic control of resilience to chronic stress exposure

Project description:To understand the mechanisms underlying resilience to chronic stress exposure observed in mice with disinhibited SST neurons (SSTCre:γ2f/f mice), we analyzed and compared the transcriptome profiles of the medial prefrontal cortex (mPFC) from male and female control (SSTCre) and mutant (SSTCre:γ2f/f) mice, with and without exposure to 21 days of chronic variable stress (CVS). We found that SSTCre:g2f/f male, but not female, mice are resilient to CVS-induced changes in the mPFC transcriptome. The CVS-induced transcriptome of stress-resilient male mice was characterized by fewer and distinct CVS-induced gene expression changes compared to the CVS-induced transcriptome of stress-vulnerable SSTCre controls. The transcriptome of non-stressed stress-resilient male mice showed stress-like transcriptome changes along with defects in signal transduction similar to stress exposed SSTCre stress-vulnerable controls. These features of non-stressed stress-resilient mice were normalized by chronic stress exposure, along with enhancement of mRNA translation. Stress-induced differentially expressed genes of stress-vulnerable, but not stress-resilient mice were prominently associated with risk genes of human stress-related psychiatric disorders.

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Project description:We report the application of high-throughput RNA sequencing to the human prefrontal cortex. The brain dataset was obtained by sequencing total RNAs extracted from the dorsolateral prefrontal cortex of five deceased human patients with no apparent pathology, followed by depletion of ribosomal RNA to obtain all non-rRNA coding and non-coding RNAs in the human brain transcriptome. Five samples were sequenced, four coming from frozen brain tissue (frontal cortex) of deceased female human patients with no remarkable pathology, and one from a male patient with no remarkable pathology.

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Gene and miRNA expression data from primate postnatal brain in prefrontal cortex: time course

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Developmental Regulation and Individual Differences of Neuronal Epigenomes in the Prefrontal Cortex

Project description:We report global distribution of trimethylated Histone H3 Lysine 4 (H3K4me3) in human prefrontal cortex neurons at different ages Neuronal nuclei from human prefrontal cortex were isolated by FACS. Regions marked by H3K4me3 were identified by chromatin immunoprecipiation followed by deep sequencing.

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