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Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [miRNA-Seq]

ABSTRACT: Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [miRNA-Seq]

PROVIDER: PRJNA1020872 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26170887.fastq.gz	Fastqsanger.gz
	SRR26170888.fastq.gz	Fastqsanger.gz
	SRR26170889.fastq.gz	Fastqsanger.gz
	SRR26170890.fastq.gz	Fastqsanger.gz
	SRR26170891.fastq.gz	Fastqsanger.gz

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Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia.

Project description:Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia.

| PRJNA1020883 | ENA

Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [scRNA-Seq]

Project description:Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [scRNA-Seq]

| PRJNA1020881 | ENA

Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [bulk RNA-Seq]

Project description:Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [bulk RNA-Seq]

| PRJNA1020871 | ENA

Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [scRNA-Seq]

Project description:Adults and children with the 22q11.2 deletion syndrome (22q11.2DS) demonstrate cognitive, social and emotional impairments and markedly increased risk for schizophrenia (SCZ). The alterations in early human brain development resulting from this deletion remain unclear. Here we use organoid models of the developing human cerebral cortex derived from patients with 22q11.2DS and SCZ as well as unaffected controls to identify cell-type-specific developmental abnormalities that result from this genomic lesion. Using RNA-sequencing and follow-up experimental validation we find that loss of genes within the 22q11.2 locus leads to delayed development of cortical neurons.

2024-12-01 | GSE244005 | GEO

Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [miRNA-Seq]

2024-12-01 | GSE244007 | GEO

Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia. [bulk RNA-Seq]

2024-12-01 | GSE244006 | GEO

MicroRNA profiling of neurons generated using induced pluripotent stem cells derived from patients with schizophrenia and 22q11.2 deletion

Project description:We are using induced pluripotent stem cell (iPSC) technology to study neuropsychiatric disorders associated with 22q11.2 microdeletions (del), the most common known schizophrenia (SZ) -associated genetic factor. Several genes in the deleted region have been implicated; one of the more promising candidates is DGCR8, which codes for a protein involved in microRNA (miRNA) biogenesis. We carried out miRNA expression profiling (miRNA-seq) on neurons generated from iPSCs derived from controls and SZ patients with 22q11.2 del. miRNA profiling of 7 SZ samples and 9 Control samples derived from iPSCs

2015-08-01 | E-GEOD-65367 | biostudies-arrayexpress

MicroRNA profiling of neurons generated using induced pluripotent stem cells derived from patients with schizophrenia and 22q11.2 deletion

2015-08-01 | GSE65367 | GEO

Aberrant pace of cortical neuron development in brain organoids from patients with 22q11.2 deletion syndrome and schizophrenia.

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

2024-12-01 | GSE244010 | GEO

Whole-Genome Sequencing Suggests Schizophrenia Risk Mechanisms in Humans with 22q11.2 Deletion Syndrome

Project description:Chromosome 22q11.2 microdeletions impart a high but incomplete risk for schizophrenia. Possible mechanisms include genome-wide effects of DGCR8 haploinsufficiency. In a proof-of-principle study to assess the power of this model, we used high-quality, whole-genome sequencing of nine individuals with 22q11.2 deletions and extreme phenotypes (schizophrenia, or no psychotic disorder at age >50 years). The schizophrenia group had a greater burden of rare, damaging variants impacting protein-coding neurofunctional genes, including genes involved in neuron projection (nominal P = 0.02, joint burden of three variant types). Variants in the intact 22q11.2 region were not major contributors. Restricting to genes affected by a DGCR8 mechanism tended to amplify between-group differences. Damaging variants in highly conserved long intergenic noncoding RNA genes also were enriched in the schizophrenia group (nominal P = 0.04). The findings support the 22q11.2 deletion model as a threshold-lowering first hit for schizophrenia risk. If applied to a larger and thus better-powered cohort, this appears to be a promising approach to identify genome-wide rare variants in coding and noncoding sequence that perturb gene networks relevant to idiopathic schizophrenia. Similarly designed studies exploiting genetic models may prove useful to help delineate the genetic architecture of other complex phenotypes.

| EGAS00001002344 | EGA

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