Sample information curated by ChIP-Atlas

Antigen

Antigen Class
Histone
Antigen
H3K27me3

Cell type

Cell type Class
Neural
Cell type
Glioma
MeSH Description
Benign and malignant central nervous system neoplasms derived from glial cells (i.e., astrocytes, oligodendrocytes, and ependymocytes). Astrocytes may give rise to astrocytomas (ASTROCYTOMA) or glioblastoma multiforme (see GLIOBLASTOMA). Oligodendrocytes give rise to oligodendrogliomas (OLIGODENDROGLIOMA) and ependymocytes may undergo transformation to become EPENDYMOMA; CHOROID PLEXUS NEOPLASMS; or colloid cysts of the third ventricle. (From Escourolle et al., Manual of Basic Neuropathology, 2nd ed, p21)

Attributes by original data submitter

Sample

source_name
Pediatric brain glioma
strain
heterozygous B6.129(Cg)-Gt(ROSA)26Sortm4(ACTB-tdTomato,-EGFP)Luo/J
genotype
H3f3aK27M PdgfraD842V Trp53R270H
antibody
H3K27me3

Sequenced DNA Library

library_strategy
ChIP-Seq
library_source
GENOMIC
library_selection
ChIP
library_construction_protocol
Brains were collected in PBS and tumors where microdisected, mechanically dissociated and further enzimatically digested to obtain a single cell suspension. GFP+ tumoral cells were FACS sorted, growth in culture and fixed in formaldehide and pellet to submitted for ChIP-seq analysis We completed the H3K27me3 ChIP reactions using 30 μg of mouse pediatric brain tumor chromatin and 4 μg of antibody (Active Motif, cat # 39155). The ChIP reactions also contained a drosophila chromatin spike in for the normalization of the sequencing data. We diluted a small fraction of the ChIP DNA and performed qPCR using positive control primer pairs that worked well in similar assays. For H3K27me3, the primer pair targeted to the promoter region of the active gene ACTB serves as a good negative control.

Sequencing Platform

instrument_model
Illumina Genome Analyzer

mm10

Number of total reads
18816904
Reads aligned (%)
97.9
Duplicates removed (%)
13.0
Number of peaks
377 (qval < 1E-05)

mm9

Number of total reads
18816904
Reads aligned (%)
97.7
Duplicates removed (%)
13.0
Number of peaks
324 (qval < 1E-05)

Base call quality data from DBCLS SRA