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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Barrett's esophagus

ABSTRACT: Barrett's esophagus transcriptome was analysed and compared with Barrett's esophagus primary cell culture and esophageal adenocarcinoma. Keywords: SAGE analysis to compare tissues Barrett's esophagus biopsy was taken from 1 male metaplastic Barrett's esophagus patient. Barrett's esophagus primary cell culture was cultures from a biopsy taken from a Barrett's esophagus patient and cultured for about 4 to 5 weeks. Esophageal adenocarcinoma was taken from a patient known to have cancer and previously Barrett's esophagus

ORGANISM(S): Homo sapiens

SUBMITTER: Jantine van Baal

PROVIDER: E-GEOD-5155 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Squamous esophagus

Project description:SAGE libraries made of squamous esophagus tissue, primary cell culture or esophageal squamous cell carcinoma Keywords: SAGE analysis of different tissues squamous esophagus biopsy was taken from 1 male metaplastic Barrett's esophagus patient. primary cell culture was from 1 male Barrett's esophagus patient. Esophageal squamous cell carcinoma was from a patient known to have ESCC

2006-06-28 | E-GEOD-5154 | biostudies-arrayexpress

gene expression profiles of Barrett's esophagus, squamous esophagus and gastric cardia

Project description:SAGE performed on biopsies of Barrett's esophagus, squamous esophagus and gastric cardia taken from a metaplastic Barrett's esophagus patient. Keywords: SAGE comparative analysis of gene expression profiles of Barrett's esophagus, normal squamous esophagus and gastric cardia tissue

2005-06-20 | E-GEOD-2769 | biostudies-arrayexpress

gene expression profiles of Barrett's esophagus, squamous esophagus and gastric cardia

Project description:SAGE performed on biopsies of Barrett's esophagus, squamous esophagus and gastric cardia taken from a metaplastic Barrett's esophagus patient. Keywords: SAGE

2005-06-20 | GSE2769 | GEO

Gene expression profiling reveals stromal genes expressed in common between Barrett's esophagus and adenocarcinoma.

Project description:samples contain normal, Barrett and duodenum and adenocarcinoma BACKGROUND & AIMS: Barrett's esophagus is a precursor of esophageal adenocarcinoma. DNA microarrays that enable a genome-wide assessment of gene expression enhance the identification of specific genes as well as gene expression patterns that are expressed by Barrett's esophagus and adenocarcinoma compared with normal tissues. Barrett's esophagus length has also been identified as a risk factor for progression to adenocarcinoma, but whether there are intrinsic biological differences between short-segment and long-segment Barrett's esophagus can be explored with microarrays. METHODS: Gene expression profiles for endoscopically obtained biopsy specimens of Barrett's esophagus or esophageal adenocarcinoma and associated normal esophagus and duodenum were identified for 17 patients using DNA microarrays. Unsupervised and supervised approaches for data analysis defined similarities and differences between the tissues as well as correlations with clinical phenotypes. RESULTS: Each tissue displays a unique expression profile that distinguishes it from others. Barrett's esophagus and esophageal adenocarcinoma express a unique set of stromal genes that is distinct from normal tissues but similar to other cancers. Adenocarcinoma also showed lower and higher expression for many genes compared with Barrett's esophagus. No difference in gene expression was found between short-segment and long-segment Barrett's esophagus. CONCLUSIONS: The genome-wide assessment provided by current DNA microarrays reveals many candidate genes and patterns not previously identified. Stromal gene expression in Barrett's esophagus and adenocarcinoma is similar, indicating that these changes precede malignant transformation. A disease state experiment design type is where the state of some disease such as infection, pathology, syndrome, etc is studied. Keywords: disease_state_design

2006-10-18 | GSE6059 | GEO

Barrett's esophagus

Project description:Barrett's esophagus transcriptome was analysed and compared with Barrett's esophagus primary cell culture and esophageal adenocarcinoma. Keywords: SAGE analysis to compare tissues

2006-06-28 | GSE5155 | GEO

microRNA expression in Barrett's esophagus and esophageal adenocarcinoma

Project description:Barrett's esophagus is a metaplastic condition of the distal esophagus, characterized by the replacement of normal squamous epithelium by columnar epithelium. Patients with BE have an increased risk of developing esophageal adenocarcinoma. MicroRNAs have been implicated to be disease and tissue specific, however limited data of microRNA expression in the esophagus is available. Therefore we evaluated microRNA expression profiles of esophageal adenocarcinoma and compared these with Barrett's esophagus and normal squamous esophagus.

2012-03-15 | GSE29965 | GEO

Rat Chondrosarcoma

Project description:These libraries represent instances of Swarm rat chondrosarcoma tumors taken from different transplantation experiments. This series also contains one non-cancerous cartilage library made from rat normal growing femoral head cartilage as a comparative data point. Keywords: other

2004-07-24 | E-GEOD-1517 | biostudies-arrayexpress

SOX15 governs a transcriptional program in human esophageal stratified epithelium and in a subset of esophageal adenocarcinomas

Project description:We identified spatially restricted transcription factors and found SOX15 expression confined to stratified esophageal epithelium, with attenuation in Barrett's esophagus. SOX15 binds esophagus-specific loci and its loss in human esophageal cells affected esophagus-specific transcripts

2015-11-09 | GSE62909 | GEO

Cell cloning of Barrett's esophagus stem cell, gastric cardia stem cells and normal esophagus stem cells

Project description:Barrett’s esophagus confers significant risk of esophageal adenocarcinoma. We have established the cloning of patient-matched stem cells of Barrett’s, gastric, and esophageal epithelium. Barrett's esophagus stem cells (BE), gastric cardia stem cells (GC) and normal esophagus stem cells (Eso) from 12 patients were cloned (For BE: 12 patients, GC: 12 patients and Eso: 2 patients). Keratin 5 positive and Keratin 7 positive cells were cloned from human fetal esophageal epithelium. Using air liquid interface culture system, stem cells were induced to differentiate into mature epithelial structures.

2015-10-01 | GSE65013 | GEO

Copy number variation analysis of human Barrett's esophagus stem cells (HumanOmniZhongHua-8 v1.1 Beadchip)

Project description:Barrettâs esophagus confers significant risk of esophageal adenocarcinoma. We have established the cloning system of patient-matched stem cells of Barrettâs esophagus and gastric cardia. Barrett's esophagus (BE) stem cells and gastric cardia (GC) stem cells from 12 patients were cloned. To analyze copy number variation in BE and GC stem cells, we have performed SNP array. It has shown that deletions such as p16 and FHIT in BE stem cells are significantly detected, while amplifications in BE stem cells are not. Also, we found some of BE stem cells did not share these deletions, suggesting emerging of BE does not require specific CNV. SNP array based copy number variation study was performed for BE and GC stem cells from human endoscopic biopsy (12 patients) to assess genomic stability at chromosomal level.

2016-01-13 | E-GEOD-68663 | biostudies-arrayexpress

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