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TranscriptomicsWhole genome expression array profiling highlights differences in mucosal defense genes in Barrett's esophagus and esophageal adenocarcinoma.
Esophageal adenocarcinoma (EAC) has become a major concern in Western countries due to rapid rises in incidence coupled with very poor survival rates. One of the key risk factors for the development of this cancer is the presence of Barrett’s esophagus (BE), which is believed to form in response to ...
ORGANISM(S): Homo sapiens 
2011-08-16 | E-GEOD-28302 | biostudies-arrayexpress
TranscriptomicsGenome-wide analysis of esopageal adenocarcinoma tumor biopsy using high-density single-nucleotide polymorphism arrays.
We applied whole-genome single nucleotide polymorphism (SNP) arrays to define a comprehensive genetic profile of 23 esophageal adenocarcinoma (EAC) primary tumor biopsies based on loss of heterozygosity (LOH) and DNA copy number changes. Alterations were common, averaging 97 (range 23-208) per tumor...
ORGANISM(S): Homo sapiens 
2008-06-01 | E-GEOD-10506 | biostudies-arrayexpress
TranscriptomicsIdentification of Candidate Tumor Suppressor Genes Inactivated by Promoter Methylation in Melanoma
Tumor suppressor genes (TSGs) are sometimes inactivated by transcriptional silencing through promoter hypermethylation. To identify novel methylated TSGs in melanoma, we carried out global mRNA expression profiling on a panel of 12 melanoma cell lines treated with a combination of 5-Aza-2-deoxycytidi...
ORGANISM(S): Homo sapiens 
2011-10-02 | E-GEOD-32492 | biostudies-arrayexpress
TranscriptomicsDNA Methylation Profiling of Melanoma Cell Lines
Epigenetic regulation of tumor suppressor genes (TSGs) has been shown to play a central role in melanomagenesis. Integrating gene expression and methylation array analysis we identified novel candidate TSGs frequently methylated in melanoma. We validated the methylation status of the most promising ...
ORGANISM(S): Homo sapiens 
2011-10-24 | E-GEOD-28356 | biostudies-arrayexpress
GenomicsGenomic catastrophes frequently arise in esophageal adenocarcinoma and drive tumorigenesis.
Oesophageal adenocarcinoma (EAC) incidence is rapidly increasing in Western countries. A better understanding of EAC underpins efforts to improve early detection and treatment outcomes. While large EAC exome sequencing efforts to date have found recurrent loss-of-function mutations, oncogenic drivin...
EGAS00001000750 | EGA
GenomicsQCMG_20140410_OESO - samples
Description not provided
EGAD00001000845 | EGA
GenomicsWhole Genome Sequencing of Esophageal Adenocarcinomas DAC
Data Access Committee EGAC00001000192
EGAC00001000192 | EGA
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