Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from 57 patients with oral cancer and 22 normal persons


ABSTRACT: In order to aid the development of patient-tailored diagnostics and therapeutics, we attempted to identify a genetic signature associated with disease prognosis in OSCC. A genome-wide analysis of transcription with the Affymetrix GeneChip Human Gene 1.0 ST Array was conducted. In this dataset, we include the expression data obtained from 57 specimens from patients with OSCC and 22 oral tissues from normal persons. 79 samples were analyzed. We compared gene expression levels between patients with and without OSCC. In addition, among 57 patients with OSCC, we also compared the expression levels between patients with and without amplicons scattered in chromosome 8q22.2~24.3.

ORGANISM(S): Homo sapiens

SUBMITTER: Chien-Hua Peng 

PROVIDER: E-GEOD-25099 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

A novel molecular signature identified by systems genetics approach predicts prognosis in oral squamous cell carcinoma.

Peng Chien-Hua CH   Liao Chun-Ta CT   Peng Shih-Chi SC   Chen Yin-Ju YJ   Cheng Ann-Joy AJ   Juang Jyh-Lyh JL   Tsai Chi-Ying CY   Chen Tse-Ching TC   Chuang Yung-Jen YJ   Tang Chuan-Yi CY   Hsieh Wen-Ping WP   Yen Tzu-Chen TC  

PloS one 20110811 8


Molecular methods for predicting prognosis in patients with oral cavity squamous cell carcinoma (OSCC) are urgently needed, considering its high recurrence rate and tendency for metastasis. The present study investigated the genetic basis of variations in gene expression associated with poor prognosis in OSCC using Affymetrix SNP 6.0 and Affymetrix GeneChip Human Gene 1.0 ST arrays. We identified recurrent DNA amplifications scattered from 8q22.2 to 8q24.3 in 112 OSCC specimens. These amplicons  ...[more]

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