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Sample GSM8254499 Query DataSets for GSM8254499
Status Public on Aug 21, 2024
Title ZNF263_KO, Cervical Motor Neurons, RAD21
Sample type SRA
 
Source name Embryonic stem cells
Organism Mus musculus
Characteristics cell type: Cervical Motor Neurons
genotype: ZNF263_KO
cell line: E14
chip antibody: RAD21 (Abcam, ab217678)
Growth protocol mESCs were cultured in standard medium supplemented with LIF and 2i conditions (1 mM MEK1/2 inhibitor (PD0325901, Stemgent) and 3 mM GSK3 inhibitor (CHIR99021, Stemgent)). For motor neuron (MN) differentiation, the previously described protocol in Narendra et. al. (2015) was applied. Briefly, ESCs were differentiated into embryoid bodies in 2 days (Day 0) in ANDFK medium (Advanced DMEM/F12 : Neurobasal (1:1) Medium, 15% Knockout Serum Replacement, Pen/Strep, 2 mM L-Glutamine, and 0.1 mM 2-mercaptoethanol). Medium was exchanged on Day 2 of differentiation, and further patterning of embryoid bodies was induced by supplementing the ANDFK media on Day 2 with 1 μM all-trans-Retinoic acid (RA, Sigma) and 0.5 μM smoothened agonist (SAG, Calbiochem).
Extracted molecule genomic DNA
Extraction protocol Cells were lysed as described in Oksuz et al., 2018 using buffers in the following order: LB1 (50 mM HEPES, pH 7.5 at 4 C, 140 mM NaCl, 1 mM EDTA, 10% Glycerol, 0.5% NP40, 0.25% Triton X) for 10 min at 4 C, LB2 (10 mM Tris, pH 8 at 4 C, 200 mM NaCl, 1 mM EDTA, 0.5 mM EGTA) for 10 min at RT, and LB3 (10 mM Tris, pH 7.5 at 4 C, 1 mM EDTA, 0.5 mM EGTA, and 0.5% N-Lauroylsarcosine sodium salt). Chromatin was sonicated to an average size of ~250 bp using a Diagenode Bioruptor. ChIP was performed by using antibodies listed. Chromatin fromDrosophila(1:100 ratio to ESC or MN derived chromatin), andDrosophila-specific H2Av antibody were used as spike-in control in each sample.
Libraries were prepared according to manufacturer’s instructions (Illumina) as described in Narendra et al., 2015. Immunoprecipitated DNA was first end-repaired using End-It Repair Kit (Epicenter), tailed with an A using Klenow exo minus (NEB M0212), ligated to custom adapters, and fragments of 300±100 bp were size-selected. These fragments were amplified through ligation-mediated PCR amplification (LM-PCR) by using Q5 polymerase (NEB M0530).
 
Library strategy ChIP-Seq
Library source genomic
Library selection ChIP
Instrument model Illumina NovaSeq X
 
Description ZNF263_KO_MNs
Data processing Sequence reads were mapped to mm10 reference genome with Bowtie 2.
After normalization with the spike-in Drosophila read counts for all (except for normalization with total counts for RAD21), normalized ChIP-seq read densities were visualized in Easeq Software and/or Integrative Genomics Viewer (IGV).
Assembly: mm10
Supplementary files format and content: bigwig
 
Submission date May 06, 2024
Last update date Aug 21, 2024
Contact name Danny Reinberg
Organization name University of Miami
Department Sylvester Cancer Center/Human Genetics
Lab Reinberg Lab
Street address 1501 NW 10th Ave
City Miami
State/province Florida
ZIP/Postal code 33136
Country USA
 
Platform ID GPL34328
Series (2)
GSE230482 Members of an array of zinc finger proteins specify distinct Hox chromatin boundaries
GSE266783 Members of an array of zinc finger proteins specify distict Hox chromatin boundaries [ChIP-seq]
Relations
BioSample SAMN41240313
SRA SRX24476124

Supplementary file Size Download File type/resource
GSM8254499_RAD21_Znf263_KO6_MNd4_ns.bw 281.0 Mb (ftp)(http) BW
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