Homo sapiens
Ontology highlight
ABSTRACT:
OTHER RELATED OMICS DATASETS IN: E-GEOD-53239
PROVIDER: PRJNA231202 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR1047820_1.fastq.gz | Fastqsanger.gz | |||
| SRR1047820_2.fastq.gz | Fastqsanger.gz | |||
| SRR1047830_1.fastq.gz | Fastqsanger.gz | |||
| SRR1047830_2.fastq.gz | Fastqsanger.gz | |||
| SRR1047840_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 124 |
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Project description:RNA-sequencing of the brain transcriptome implicates dysregulation of neuroplasticity, circadian rhythms, and GTPase binding in bipolar disorder
2025-01-24 | E-GEOD-53239 | ExpressionAtlas
Project description:See "Akula et al., Molecular Psychiatry in Press". RNA-sequencing (RNA-seq) is a powerful technique to investigate the complexity of gene expression in the human brain. We used RNA-seq to survey the brain transcriptome in high-quality post-mortem dorsolateral prefrontal cortex from 11 individuals diagnosed with bipolar disorder (BD) and from 11 age- and gender-matched controls. Deep sequencing was performed, with over 350 million reads per specimen. At a false-discovery rate of <5%, we detected 5 differentially-expressed (DE) genes and 12 DE transcripts, most of which have not been previously implicated in BD. Among these, PROM1/CD133 and ABCG2 play important roles in neuroplasticity. We also show for the first time differential expression of long non-coding RNAs (lncRNAs) in BD. DE transcripts include those of SRSF5 and RFX4, which along with lncRNAs play a role in mammalian circadian rhythms. The DE genes were significantly enriched for several Gene Ontology (GO) categories. Of these, genes involved with GTPase binding were also enriched for BD-associated SNPs from previous genome-wide association studies, suggesting that differential expression of these genes is not simply a consequence of BD or its treatment. Many of these findings were replicated by microarray in an independent sample of 60 cases and controls. These results highlight common pathways for inherited and non-inherited influences on disease risk that may constitute good targets for novel therapies. Brain transcriptome in bipolar disorder
2014-01-08 | E-GEOD-53239 | biostudies-arrayexpress
Project description:See "Akula et al., Molecular Psychiatry in Press". RNA-sequencing (RNA-seq) is a powerful technique to investigate the complexity of gene expression in the human brain. We used RNA-seq to survey the brain transcriptome in high-quality post-mortem dorsolateral prefrontal cortex from 11 individuals diagnosed with bipolar disorder (BD) and from 11 age- and gender-matched controls. Deep sequencing was performed, with over 350 million reads per specimen. At a false-discovery rate of <5%, we detected 5 differentially-expressed (DE) genes and 12 DE transcripts, most of which have not been previously implicated in BD. Among these, PROM1/CD133 and ABCG2 play important roles in neuroplasticity. We also show for the first time differential expression of long non-coding RNAs (lncRNAs) in BD. DE transcripts include those of SRSF5 and RFX4, which along with lncRNAs play a role in mammalian circadian rhythms. The DE genes were significantly enriched for several Gene Ontology (GO) categories. Of these, genes involved with GTPase binding were also enriched for BD-associated SNPs from previous genome-wide association studies, suggesting that differential expression of these genes is not simply a consequence of BD or its treatment. Many of these findings were replicated by microarray in an independent sample of 60 cases and controls. These results highlight common pathways for inherited and non-inherited influences on disease risk that may constitute good targets for novel therapies.
2014-01-08 | GSE53239 | GEO
Project description:Transcription profiling of human brain tissue from subjects with bipolar disorder and healthy controls
2025-01-24 | E-GEOD-5388 | ExpressionAtlas
Project description:RNA-seq of three brain regions from schizophrenia and bipolar disorder patients and psychiatrically normal individuals
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Project description:This SuperSeries is composed of the following subset Series:; GSE5388: Adult postmortem brain tissue (dorsolateral prefrontal cortex) in subjects with bipolar disorder; GSE5389: Adult postmortem brain tissue (ortibtofrontal cortex) in subjects with bipolar disorder; Bipolar affective disorder is a severe psychiatric disorder with a strong genetic component but unknown pathophysiology. We used microarray technology (Affymetrix HG-U133A GeneChips) to determine the expression of approximately 22 000 mRNA transcripts in post-mortem brain tissue (dorsolateral prefrontal cortex and orbitofrontal cortex) from patients with bipolar disorder and matched healthy controls. Experiment Overall Design: Refer to individual Series
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Project description:Transcription profiling of human post-mortem brain tissue (orbitofrontal cortex) from patients with bipolar disorder and matched healthy controls
2025-01-24 | E-GEOD-5389 | ExpressionAtlas
Project description:Disruption of sleep and circadian rhythms are a comorbid feature of many pathologies, and can negatively influence many health conditions, including degenerative disease, metabolic illness, cancer, and various neurological disorders. Genetic association studies linking sleep and circadian disturbances with disease susceptibility have mainly focused on changes in gene expression due to mutations, such as single-nucleotide polymorphisms. The interaction between sleep and/or circadian rhythms with the use of Alternative Polyadenylation (APA) has been largely undescribed, particularly in the context of other disorders. APA is a process that generates various transcript isoforms of the same gene affecting its mRNA translation, stability, localization, and subsequent function. Here we identified unique polyadenylation sites (PASs) expressed in rat brain over time-of-day, immediately following sleep deprivation, and the subsequent recovery period. From these data, we performed a meta-analysis of sleep- or circadian-associated PASs with recently described APA-linked brain disorder susceptibility genes.
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Project description:Rhythmic oscillations of physiological processes depend on integrating the circadian clock and diurnal environment. DNA methylation is epigenetically responsive to daily rhythms, as a subset of CpG dinucleotides in brain exhibit diurnal rhythmic methylation. A major genetic effect on rhythmic methylation was identified in a mouse Snord116 deletion model of the imprinted disorder Prader-Willi syndrome (PWS). > 23,000 diurnally rhythmic CpGs were identified in wild-type cortex, with nearly all lost or phase-shifted in PWS. Circadian dysregulation of a second imprinted Snord cluster at the Temple/Kagami-Ogata syndrome locus was observed at the level of methylation, transcription, and chromatin, providing mechanistic evidence of cross-talk. Genes identified by diurnal epigenetic changes in PWS mice overlapped rhythmic and PWS-specific genes in human brain and were enriched for PWS-relevant phenotypes and pathways. These results support the proposed evolutionary relationship between imprinting and sleep, and suggest possible chronotherapy in the treatment of PWS and related disorders.
2018-02-27 | GSE103249 | GEO
Project description:Bipolar affective disorder is a severe psychiatric disorder with a strong genetic component but unknown pathophysiology. We used microarray technology (Affymetrix HG-U133A GeneChips) to determine the expression of approximately 22 000 mRNA transcripts in post-mortem brain tissue (dorsolateral prefrontal cortex) from patients with bipolar disorder and matched healthy controls. A cohort of 70 subjects was investigated and the final analysis included 30 bipolar and 31 control subjects. Differences between disease and control groups were identified using a rigorous statistical analysis with correction for confounding variables and multiple testing.
2007-06-24 | E-GEOD-5388 | biostudies-arrayexpress