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Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls

ABSTRACT: Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls

PROVIDER: PRJNA1018567 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26073536_1.fastq.gz	Fastqsanger.gz
	SRR26073536_2.fastq.gz	Fastqsanger.gz
	SRR26073537_1.fastq.gz	Fastqsanger.gz
	SRR26073537_2.fastq.gz	Fastqsanger.gz
	SRR26073538_1.fastq.gz	Fastqsanger.gz

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Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls (Methylation)

Project description:Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls (Methylation)

| PRJNA1018577 | ENA

Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls (RNA-Seq)

Project description:Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls (RNA-Seq)

| PRJNA1017879 | ENA

Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls (Methylation)

Project description:To investige gene expression and methylation changes in the suicide decedents group from postmortem brain tissues

2023-11-10 | GSE243487 | GEO

Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls (RNA-Seq)

Project description:To investige gene expression and methylation changes in the suicide decedents group from postmortem brain tissues

2023-11-10 | GSE243356 | GEO

Epigenome Analysis of Post-Mortem Human Temporal Pole Brain Tissue

Project description:Epigenome Analysis of Post-Mortem Human Temporal Pole Brain Tissue For more information, please refer to DOI: 10.3233/JAD-141989 Temporal Pole regions from 24 age-matched causcasian males: 8 samples which died of normal causes, 8 samples with Alzheimer's disease (stage 3/4) and 8 samples with dementia with lewy bodies

2015-03-31 | E-GEOD-67419 | biostudies-arrayexpress

Epigenome Analysis of Post-Mortem Human Temporal Pole Brain Tissue

Project description:Epigenome Analysis of Post-Mortem Human Temporal Pole Brain Tissue For more information, please refer to DOI: 10.3233/JAD-141989

2015-03-31 | GSE67419 | GEO

Integrative transcriptome- and DNA methylation analysis of brain tissue from the temporal pole in suicide decedents and their controls

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-11-10 | GSE243488 | GEO

Major depression MDD suicide brain study

Project description:Background: Major Depressive Disorder (MDD) represents a major social and economic health issue and constitutes a major risk factor for MDD suicide. The molecular pathology of suicidal depression remains poorly understood, although it has been hypothesized that regulatory genomic processes are involved in the pathology of both MDD and suicidality. Methods: Genome-wide patterns of DNA methylation were assessed in depressed MDD suicide completers (n=20) and compared to non-psychiatric, sudden-death controls (n=20) using tissue from two cortical brain regions (Brodmann Area 11 (BA11) and Brodmann Area 25 (BA25)). Analyses focussed on identifying differentially methylated regions (DMRs) associated with suicidal depression, and epigenetic variation was explored in the context of polygenic risk scores for major depression and MDD suicide. Weighted gene co-methylation network analysis was used to identify modules of co-methylated loci associated with depressed MDD suicide completers and polygenic burden for MDD and MDD suicide attempt. Results: We identified a DMR upstream of the PSORS1C3 gene, subsequently validated using bisulfite-pyrosequencing and replicated in a second set of MDD suicide samples, which is characterized by significant hypomethylation in both cortical brain regions in MDD MDD suicide cases. We also identified discrete modules of co-methylated loci associated with polygenic risk burden for MDD suicide attempt, but not major depression. MDD suicide-associated co-methylation modules were enriched among gene networks implicating biological processes relevant to depression and suicidality, including nervous system development and mitochondria function. Conclusions: Our data suggest there are coordinated changes in DNA methylation associated with MDD suicide that may offer novel insights into the molecular pathology associated with depressed MDD suicide completers.

2016-11-01 | GSE88890 | GEO

The transcriptomes of suicide completers and deceased controls.

Project description:Neurobiological causes of suicide are largely unknown. Volumes and dysfunction of brain regions amygdala, hippocampus, prefrontal cortex and thalamus were reported to play a role in suicidal intention.

2018-12-01 | GSE66937 | GEO

Genome-Wide DNA Methylation Meta-analysis in the Brains of Suicide Completers II

Project description:Suicide is the second leading cause of death globally among young people representing a significant global health burden. Although the molecular pathology of suicide remains poorly understood, it has been hypothesised that epigenomic processes may play a role. The objective of this study was to identify suicide-associated DNA methylation changes in the human brain by utilising previously published and unpublished methylomic datasets. We analyzed prefrontal cortex (PFC, n = 211) and cerebellum (CER, n = 114) DNA methylation profiles from suicide completers and non-psychiatric, sudden-death controls, meta-analyzing data from independent cohorts for each brain region separately. We report evidence for altered DNA methylation at several genetic loci in suicide cases compared to controls in both brain regions with suicide-associated differentially methylated positions enriched among functional pathways relevant to neuropsychiatric phenotypes and suicidality, including nervous system development (PFC) and regulation of long-term synaptic depression (CER). In addition, we examined the functional consequences of variable DNA methylation within a PFC suicide-associated differentially methylated region (PSORS1C3 DMR) using a dual luciferase assay and examined expression of nearby genes. DNA methylation within this region was associated with decreased expression of firefly luciferase but was not associated with expression of nearby genes, PSORS1C3 and POU5F1. Our data suggest that suicide is associated with DNA methylation, offering novel insights into the molecular pathology associated with suicidality. DNA from bulk post-mortem brain (human cerebellum) from 33 individuals

2020-03-06 | GSE137223 | GEO

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