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

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

ORGANISM(S): Homo sapiens

PROVIDER: GSE2769 | GEO | 2005/06/20

SECONDARY ACCESSION(S): PRJNA92209

REPOSITORIES: GEO

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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

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 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

2006-06-28 | E-GEOD-5155 | biostudies-arrayexpress

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

GLOBAL CHANGES IN GENE EXPRESSION OF BARRETT'S ESOPHAGUS COMPARED TO NORMAL SQUAMOUS ESOPHAGUS AND GASTRIC CARDIA TISSUES

Project description:Barrett’s esophagus (BE) is a metaplastic precursor lesion of esophageal adenocarcinoma (EA), the most rapidly increasing cancer in western societies. While the prevalence of BE is increasing, the vast majority of EA occurs in patients with undiagnosed BE. Thus, we sought to identify genes that are altered in BE compared to the normal mucosa of the esophagus, and which may be potential biomarkers for the development or diagnosis of BE. We performed gene expression analysis using HG-U133A Affymetrix chips on fresh frozen tissue samples of Barrett’s metaplasia and matched normal mucosa from squamous esophagus (NE) and gastric cardia (NC) in 43 BE patients.

2014-04-15 | E-GEOD-39491 | biostudies-arrayexpress

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.

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Barrett's esophagus

2006-06-28 | GSE5155 | GEO

GLOBAL CHANGES IN GENE EXPRESSION OF BARRETT'S ESOPHAGUS COMPARED TO NORMAL SQUAMOUS ESOPHAGUS AND GASTRIC CARDIA TISSUES

2014-04-15 | GSE39491 | 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.

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Gene expression profile in Barrett's esopahgus

Project description:Microarray was used to identify differential gene expression pattern in Barrett's esophagus (BE), compared to the normal adjacent epithelia gastric cardia (GC) and normal squamous esophagus (NE)

2012-03-30 | GSE34619 | GEO

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

Project description:Barrett’s esophagus confers significant risk of esophageal adenocarcinoma. We have established the cloning system of patient-matched stem cells of Barrett’s 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.

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