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Sample GSM281701 Query DataSets for GSM281701
Status Public on Jan 20, 2009
Title H3K4me2 patterns in DKO
Sample type genomic
 
Channel 1
Source name DKO Immunoprecipitated DNA
Organism Homo sapiens
Characteristics Immunoprecipitation using a specific antibody for H3K4me2 of the DKO human colorectal cancer cell line
Biomaterial provider Bert Vogelstein
Treatment protocol ChIP DNA using a H3K4me2 specific antibody
Growth protocol McCoy’s 5A modified medium supplemented with 10% fetal bovine serum and 1% penicillin/streptomycin
Extracted molecule genomic DNA
Extraction protocol Multiple phenol:chloroform:isoamyl alcohol extractions
Label Cy5
Label protocol Bioprime random primer labeling kits
 
Channel 2
Source name DKO WCE
Organism Homo sapiens
Characteristics Whole cell extract of the DKO human colorectal cancer cell line
Biomaterial provider Bert Vogelstein
Treatment protocol Whole cell extract
Growth protocol McCoy’s 5A modified medium supplemented with 10% fetal bovine serum and 1% penicillin/streptomycin
Extracted molecule genomic DNA
Extraction protocol Multiple phenol:chloroform:isoamyl alcohol extractions
Label Cy3
Label protocol Bioprime random primer labeling kits
 
 
Hybridization protocol Labeled DNA was mixed (5 – 6 µg each of immunoenriched and whole cell extract DNA) and hybridized to arrays in Agilent hybridization chambers for 20 hours at 40°C.
Scan protocol Hybridized microarrays were scanned using an Agilent G2565BA microarray scanner.
Description none
Data processing Median blanks subtraction followed by an inter-array median normalization and a dye-bias median normalization. Downstream analysis in R.
 
Submission date Apr 15, 2008
Last update date Jan 20, 2009
Contact name Leander Van Neste
Organization name Ghent University
Department Molecular Biotechnology
Lab Bioinformatics and Computational Genomics
Street address Coupure Links 653
City Ghent
ZIP/Postal code 9000
Country Belgium
 
Platform ID GPL4125
Series (1)
GSE11173 Defining a Chromatin Pattern That Characterizes DNA Hypermethylated Genes in Colon Cancer Cells

Data table header descriptions
ID_REF
VALUE log2 ratio of background subtracted and normalized Cy5 intensity to background subtracted and normalized Cy3 intensity
CH1_SIG_MEDIAN Median spot value of channel 1
CH1_BKD_MEDIAN Background median spot value of channel 1
CH2_SIG_MEDIAN Median spot value of channel 2
CH2_BKD_MEDIAN Background median spot value of channel 2

Data table
ID_REF VALUE CH1_SIG_MEDIAN CH1_BKD_MEDIAN CH2_SIG_MEDIAN CH2_BKD_MEDIAN
1
2
3
4 -2.003806 100 59 145 48
5 2.0882573 2538.5 59 330 47
6 1.3641208 183 60 123 48
7 -0.31747738 449 59 287 48
8 1.9835008 6631 60 748 48
9 -2.1689546 99.5 60 147 48
10 -2.5018332 86 59 130 48
11 1.5758302 444.5 58 155 48
12 -1.2568464 215 60 235 48
13 1.7788446 10701 59 1303.5 47
14 2.0564473 1948 60 280 47
15 2.684735 4449 60 369 47
16 -2.0751326 89 59 128 47
17 -2.073607 98 60 142 48
18 -0.8167367 259 59 232 48
19 -5.1779437 77 60 114 48
20 -2.1735518 100 60 147 47

Total number of rows: 243504

Table truncated, full table size 7760 Kbytes.




Supplementary file Size Download File type/resource
GSM281701.txt.gz 63.7 Mb (ftp)(http) TXT
Processed data included within Sample table

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