GEO Logo
   NCBI > GEO > Accession DisplayHelp Not logged in | LoginHelp
GEO help: Mouse over screen elements for information.
Sample GSM1483044 Query DataSets for GSM1483044
Status Public on Sep 01, 2014
Title Whole blood_001-033-001-2012-B
Sample type genomic
Source name whole blood (dried blood spots)
Organism Homo sapiens
Characteristics gender: Male
race: African_american
normalizedpbconc: 5.098809195
age (in months): 3
mother's age (in months): 228
gestational age (in months): 225
smoking (0=no, 1=yes): 0
Treatment protocol NA
Extracted molecule genomic DNA
Extraction protocol DNA was isolated from dried blood spots with Qiagen EZ1 Advanced® using the DNA Investigator® reagents and protocol card. The “Stains on Fabric” preprocessing and Trace® (tip-dance) instrument protocol was used for isolation.
Label Cy3, Cy5
Label protocol As described by Illumina for Human methylation 450K assay
Hybridization protocol As described by Illumina for Human methylation 450K assay
Scan protocol As described by Illumina for Human methylation 450K assay
Description Dried blood spots for Pb and DNA methylation study
Data processing Sample normalization done using Bioconductor package ChAMP. Type1 to type 2 probe bias correction was done using Beta mixed interquantile range normalization. Based on gender differences in DNA methylation profile the representative DNA methylation loci was divided into conserved female specific and male specific regions. The CpG sites show highly correlated changes in methylation signatures and can be defined as co-regulated regions. The co-regulated regions were assigned to specified clusters using the A-clustering algorithm (Sofer et al 2013). The association between Pb concentration measured in dried blood spot and DNA methylation of coregulated region for conserved female specific and male specific regions was calculated using Generalized estimating equations (GEE) (Sofer et al 2013)
Rawdata_signal_intensities.txt reports Unmethylated and methylated signal intensities (Pre-normalization)
Submission date Aug 21, 2014
Last update date Sep 01, 2014
Contact name Douglas Ruden
Phone 3135776688
Organization name Wayne State University
Department Department of Obstetrics and Gynecology
Street address 275 E. Hancock Ave., Room 291.1
City Detroit
State/province Michigan
ZIP/Postal code 48201
Country USA
Platform ID GPL13534
Series (1)
GSE60598 Early life Lead exposure causes distinct gender specific changes in the DNA methylation profile of DNA extracted from dried blood spots

Data table header descriptions
VALUE normalized Average Beta

Data table
cg00001349 0.779694393493023
cg00001583 0.0236688687532729
cg00002028 0.0245286548526137
cg00002719 0.0247455175885736
cg00002837 0.467308663601043
cg00003202 0.00724657646306483
cg00003287 0.127962800738351
cg00007036 0.965353857669471
cg00007898 0.0266897060008641
cg00008004 0.0572530779402529
cg00008647 0.0468507552998402
cg00009292 0.0822589542601753
cg00011717 0.953704639789445
cg00014168 0.702779242613216
cg00015286 0.829571217429915
cg00015930 0.974163679766461
cg00016238 0.930739777310098
cg00017221 0.0259207719788497
cg00017437 0.0382714720221203
cg00021576 0.0317580629535142

Total number of rows: 378548

Table truncated, full table size 10817 Kbytes.

Supplementary data files not provided
Processed data included within Sample table

| NLM | NIH | GEO Help | Disclaimer | Accessibility |
NCBI Home NCBI Search NCBI SiteMap