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ABSTRACT: Whole exome sequencing for Williams-Beuren syndrome patient

PROVIDER: PRJNA763322 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15901485_1.fastq.gz	Fastqsanger.gz
	SRR15901485_2.fastq.gz	Fastqsanger.gz

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Cannabinoid signaling modulation through JZL184 restores key phenotypes of a mouse model for Williams- Beuren syndrome

Project description:JZL184 treatment restores neurological and cardiac phenotypes of a mouse model of Williams-Beuren syndrome

2022-10-11 | GSE164257 | GEO

The deletion of the Williams-Beuren Syndrome critical region dysregulate the expression of miR379-410 miRNA members in human isogenic iNeurons

Project description:While psychiatric disorders (e.g., schizophrenia) and autism spectrum disorders (ASD) are typically associated with a deficit in social behavior, the opposite trait of hypersociability is exhibited by individuals with specific neurodevelopmental disorders, e.g., Angelman Syndrome (AS) and Williams-Beuren Syndrome (WBS). We have recently reported that the deletion of the miR379-410 cluster in mice led to hypersocial behavior. To study the roles of this miRNA cluster in the context of WBS, we sent for smallRNA sequencing RNA isolated from isogenic human iPSC-derived neurons harboring a deletion present in Williams-Beuren-Syndrome patients (7q11.23). Specifically, we found that members of the miR379-410 cluster were strikingly overrepresented among downregulated miRNAs in iNeurons harboring a deletion of the WBS critical region. Thus, we obtained the first evidence for the pathophysiological significance of the miR379-410 miRNA cluster in the context of WBS. We conclude that targeting this novel pathway could have therapeutic potential for WBS and other neurodevelopmental conditions characterized by social impairments.

2023-11-15 | GSE247766 | GEO

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Project description:Expression profiling in Williams-Beuren Syndrome patient fibroblast cell lines

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Williams-Beuren syndrome: typical deletions versus atypical deletions of the 7q11.23 region

Project description:We have performed comparative transcriptome profile from lymphoblastoid cell lines from four Williams-Beuren syndrome patients and two patients with partial deletions of the region. The goal was to find deregulated genes specifically in WBS versus atypical deletions, and to determine the biological pathways affected in WBS patients.

2010-09-09 | GSE18188 | GEO

Recurrent disruption of HIP1 identified in patients with epilepsy, learning difficulties, intellectual disability, and neurobehavioral abnormalities

Project description:We report 12 individuals from ten unrelated families with epilepsy, learning difficulties, intellectual disability, and neurobehavioral abnormalities, who segregated a microdeletion distally adjacent to the Williams-Beuren syndrome region. In six families, a recurrent ~ 1.1 Mb deletion likely resulted from nonallelic homologous recombination between flanking large complex low-copy repeats. Three smaller sized microdeletions (~ 180-500 kb) enabled us to narrow the critical region to one gene, HIP1, encoding Huntington interacting protein 1.

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Characterisation of the gut microbiota metaproteome in patients affected by the Williams Beuren syndrome

Project description:Analyses were performed on stool samples collected from 41 patients affected by Williams Beuren syndrome (Wills, WBSs) to evaluate their gut microbiota metaproteome signatures by LFQ and LCA approaches in comparison to 45 healthy subjects (controls, CTRs, CTRLs)

2023-01-11 | MSV000091045 | MassIVE

Expression data from Merm1/Wbscr22 knock-down tumor cells

Project description:Merm1/Wbscr22 is one of genes in chromosomal region deleted in Williams-Beuren syndrome, a multisystem developmental disorder. Wbscr22 contains a nuclear localization signal and an S-adenosyl-L-methionine-dependent methyltransferase fold, but its real function is completely unknown.　In this study, to examine the function, we compared the gene expression profiles between control and Merm1/Wbscr22 knock-downed tumor cells.

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Project description:Gut microbiota in patients with Williams Beuren Syndrome

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Expression profiling in Williams-Beuren Syndrome patient fibroblast cell lines

Project description:Williams-Beuren Syndrome (WBS) is a neurodevelopmental disorder caused by aa 1.5 Mb microdeletion on human chromosome 7. Although the molecular cause of the disorder is well-established, little is known about the global impact of the deletion on gene expression. Here we profiled the transcriptomes of fibroblast cell lines from 8 young girls with WBS, and 9 sex- and age-matched control individuals Keywords: disease state analysis, gene expression profiling

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Structural variation-induced changes of chromatin architecture and gene expression

Project description:Copy number variants (CNVs) influence the expression of genes that map not only within the rearrangement, but also to its flanks. To assess the possible mechanism(s) underlying this “neighboring effect”, we compared intrachromosomal interactions and histone modifications in cell lines of patients affected by genomic disorders and control individuals. Using chromosome conformation capture (4C-seq), we observed that a set of genes flanking the Williams-Beuren Syndrome critical region (WBSCR) were often looping together, possibly forming an interacting cluster with each other and the WBSCR. Deletion of the WBSCR disrupts the expression of this group of flanking genes, as well as long-range interactions between them and the rearranged interval. We also pinpointed concomitant changes in histone modifications between samples.We conclude that large genomic rearrangements can lead to chromatin conformation changes that extend far away from the structural variant, thereby possibly modulating expression globally and modifying the phenotype. For example, we determined that the chromatin conformation, histone marks and relative expression levels of the flanking AUTS2 gene, mutations of which are associated with autism and intellectual disabilities, are modified in cell lines from Williams-Beuren syndrome patients. Examination of 4C-seq interaction profile of seven different genes (of which three in duplicate) in 2 different cell lines.

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