Unknown,Transcriptomics,Genomics,Proteomics

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Comprehensive Serial Analysis of Gene Expression of the Cervical Epithelium Transcriptome


ABSTRACT: In this study, we sequenced 691,390 SAGE tags from four libraries. Cervical L-SAGE libraries N1, N2, C1, and C2 were sequenced to 165,624, 181,224, 173,534, and 171,008 tags, respectively. Duplicate ditags were eliminated from analysis resulting in 136,276, 139,656, 154,828 and 136,386 useful tags respectively and a total of 24 058 unique tags. 15,438 of the unique tags mapped to annotated UniGene identifiers. We characterized the transcriptome of normal cervical tissue and evaluated the highly expressed genes in terms of tissue specificity, conserved expression among the normal libraries and their altered expression in CIN III lesions. Keywords: Cervical Epithelium, Long SAGE Four Long SAGE libraries were created from cervical epithelium biopsies. Two were CIN III and two were normal cervical tissue.

ORGANISM(S): Homo sapiens

SUBMITTER: Ashleen Shadeo 

PROVIDER: E-GEOD-6252 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications


<h4>Background</h4>The highest rates of cervical cancer are found in developing countries. Frontline monitoring has reduced these rates in developed countries and present day screening programs primarily identify precancerous lesions termed cervical intraepithelial neoplasias (CIN). CIN lesions described as mild dysplasia (CIN I) are likely to spontaneously regress while CIN III lesions (severe dysplasia) are likely to progress if untreated. Thoughtful consideration of gene expression changes pa  ...[more]

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