Molecular profiling of Ctcf hemizygous mouse embryonic fibroblasts: HiC
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB23712 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR2208982_1.fastq.gz | Fastqsanger.gz | |||
| ERR2208982_2.fastq.gz | Fastqsanger.gz | |||
| ERR2208983_1.fastq.gz | Fastqsanger.gz | |||
| ERR2208983_2.fastq.gz | Fastqsanger.gz | |||
| ERR2208984_1.fastq.gz | Fastqsanger.gz |
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Project description:CTCF is a highly conserved and ubiquitously expressed protein involved in several fundamental processes such as fine-tuning gene expression, imprinting, X-chromosome inactivation and 3D chromatin organisation. To understand the impact of differences in the concentration of CTCF abundance on these processes, we exploit a CTCF hemizygous mouse model with a stable reduction in the concentration of this protein. We derived independent primary lines of mouse embryonic fibroblasts (MEFs) from wildtype and CTCF-hemizygous mouse E13.5 embryos. For three biological replicates, cells were fixed in DMEM containing 2% fresh formaldehyde and incubated at room temperature for 10 min, quenched with 1M glycine for 5 min, and washed twice with ice cold PBS, before being flash-frozen at -80°C. Cross-linked cells were lysed, followed by chromatin HindIII digestion, biotinylataion, ligation, proteinase K treatment, DNA purification, sonication, end repair, biotin pull-down, adapter ligation, and PCR amplification. Pooled indexed libraries were sequenced on an Illumina HiSeq4000 to produce paired-end 150bp reads. On the same MEF lines we have performed RNAseq and ChIPseq for CTCF, H3K4me3 and H3K27ac.
2018-07-29 | E-MTAB-6262 | biostudies-arrayexpress
Project description:CTCF is a highly conserved and ubiquitously expressed protein involved in several fundamental processes such as fine-tuning gene expression, imprinting, X-chromosome inactivation and 3D chromatin organisation. To understand the impact of differences in the concentration of CTCF abundance on these processes, we exploit a CTCF hemizygous mouse model with a stable reduction in the concentration of this protein. We derived twelve independent primary lines of mouse embryonic fibroblasts (MEFs) from six wildtype and six CTCF-hemizygous mouse E13.5 embryos. Total RNA from each MEF line was purified using QIAzol Lysis Reagent (Qiagen); DNase treatment and removal was performed using the TURBO DNA-freeTM Kit (Ambion, Life Technologies). Libraries were prepared using the TruSeq Stranded Total RNA Library Prep Kit with Ribo-Zero Gold (Illumina) and sequenced in an Illumna HiSeq4000 to produce 150bp paired-end reads. On the same MEF lines we have performed ChIPseq for CTCF, H3K4me3 and H3K27ac and HiC.
2018-07-29 | E-MTAB-6259 | biostudies-arrayexpress
Project description:CTCF is a highly conserved and ubiquitously expressed protein involved in several fundamental processes such as fine-tuning gene expression, imprinting, X-chromosome inactivation and 3D chromatin organisation. To understand the impact of differences in the concentration of CTCF abundance on these processes, we exploit a CTCF hemizygous mouse model with a stable reduction in the concentration of this protein. We derived twelve independent primary lines of mouse embryonic fibroblasts (MEFs) from six wildtype and six CTCF-hemizygous mouse E13.5 embryos. MEFs were fixed in DMEM containing 1% fresh formaldehyde and incubated at room temperature for 10 min, quenched with 250mM glycine for 10 min, and washed twice with ice cold PBS, before being flash-frozen at -80°C. Cross-linked cells were lysed and sonicated on a Bioruptor Plus (Diagenode) sonicator to fragment chromatin to an average length of 300bp. 10 ug of the following antibodies were used for immunoprecipitation: CTCF (rabbit polyclonal, Merk Millipore 07-729, lot 2517762); H3K4me3 (mouse monoclonal IgG clone CMA304, Merck Millipore 05-1339, lot 2603814); H3K27ac (rabbit polyclonal IgG, Abcam 4729, lot GR244014-1). Immunoprecipitated DNA or 50 ng of input DNA was used for library preparation using the ThruPLEX DNA-Seq library preparation protocol (Rubicon Genomics, UK). Library fragment size was determined using a 2100 Bioanalyzer (Agilent). Libraries were quantified by qPCR (Kapa Biosystems). Pooled libraries were sequenced on a HiSeq4000 (Illumina) according to manufacturer’s instructions using single-end 50 bp reads. On the same MEF lines we have performed RNAseq and HiC (see related accession numbers).
2018-07-29 | E-MTAB-6261 | biostudies-arrayexpress
Project description:Molecular profiling of Ctcf hemizygous mouse embryonic fibroblasts: RNA-seq
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Project description:Molecular profiling of Ctcf hemizygous mouse embryonic fibroblasts: ChIP-seq
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Project description:This dataset consists of in situ HiC-seq data from human monocytes, monocyte-derived dendritic cells as well as monocyte-derived cells that were subjected to siRNA treatment targeting CTCF or RAD21. In total, the data set includes 42 samples.
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Project description:We report on the analyses of four unrelated patients with de novo, overlapping, hemizygous deletions of the long arm of chromosome 10. These include two small terminal deletions (10q26.2 to 10qter), a larger terminal deletion (10q26.12 to 10qter), and an interstitial deletion (10q25.3q26.13). Single nucleotide polymorphism (SNP) studies (Illumina 550 K) established that these deletions resulted in the hemizygous loss of approximately 6.1, approximately 6.1, approximately 12.5, and approximately 7.0 Mb respectively. Additionally, these data establish that Patients 1, 2, and 3 share common, distal, hemizygous deleted regions of 6.09 Mb containing 37 RefSeq genes. Patients 3 and 4 share a 2.52 Mb deleted region corresponding to the proximal deleted region of Patient 3 and the distal deleted region of Patient 4. This common, hemizygous region contains 20 RefSeq genes including two H6 family homeobox genes (HMX2 and HMX3). Based on previous reports that Hmx2/Hmx3 knockout mice have vestibular anomalies, we propose that hemizygous deletions of HMX2 and HMX3 are responsible for the inner ear malformations observed from CT images, vestibular dysfunction, and congenital sensorineural hearing loss found in Patients 3 and 4.
2009-07-01 | GSE11958 | GEO
Project description:We report on the analyses of four unrelated patients with de novo, overlapping, hemizygous deletions of the long arm of chromosome 10. These include two small terminal deletions (10q26.2 to 10qter), a larger terminal deletion (10q26.12 to 10qter), and an interstitial deletion (10q25.3q26.13). Single nucleotide polymorphism (SNP) studies (Illumina 550 K) established that these deletions resulted in the hemizygous loss of approximately 6.1, approximately 6.1, approximately 12.5, and approximately 7.0 Mb respectively. Additionally, these data establish that Patients 1, 2, and 3 share common, distal, hemizygous deleted regions of 6.09 Mb containing 37 RefSeq genes. Patients 3 and 4 share a 2.52 Mb deleted region corresponding to the proximal deleted region of Patient 3 and the distal deleted region of Patient 4. This common, hemizygous region contains 20 RefSeq genes including two H6 family homeobox genes (HMX2 and HMX3). Based on previous reports that Hmx2/Hmx3 knockout mice have vestibular anomalies, we propose that hemizygous deletions of HMX2 and HMX3 are responsible for the inner ear malformations observed from CT images, vestibular dysfunction, and congenital sensorineural hearing loss found in Patients 3 and 4. Four cases were identified as having hemizygous 10q deletions through g-banding. These were analyzed with SNP microarrays as well as parents (controls) for cases 1 and 4.
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Project description:Three-dimensional analysis of genome organization in CTCF-WT and CTCF-KO dendritic cells (HiC)
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