Microarray analyses reveal genes related to progression and prognosis of esophageal squamous cell carcinoma

  • Qixing M
  • Gaochao D
  • Wenjie X
  • et al.
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Abstract

Esophageal squamous cell carcinoma is a high morbidity and mortality cancer in China. Here are few biomarkers and therapeutic targets. Our study was aimed to identify candidate genes correlated to ESCC. Oncomine, The Cancer Genome Atlas, Gene Expression Omnibus were retrieved for eligible ESCC data. Deregulated genes were identified by meta-analysis and validated by an independent dataset. Survival analyses and bioinformatics analyses were used to explore potential mechanisms. Copy number variant analyses identified upstream mechanisms of candidate genes. In our study, top 200 up/down-regulated genes were identified across two microarrays. A total of 139 different expression genes were validated in GSE53625. Survival analysis found that nine genes were closely related to prognosis. Furthermore, Gene Ontology analyses and Kyoto Encyclopedia of Genes and Genomes analyses showed that different expression genes were mainly enriched in cell division, cell cycle and cell-cell adhesion pathways. Copy number variant analyses indicated that overexpression of ECT2 and other five genes were correlated with copy number amplification. The current study demonstrated that ECT2 and other eight candidate genes were correlated to progression and prognosis of esophageal squamous cell carcinoma, which might provide novel insights to the mechanisms.

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Qixing, M., Gaochao, D., Wenjie, X., Anpeng, W., Bing, C., Weidong, M., … Feng, J. (2017). Microarray analyses reveal genes related to progression and prognosis of esophageal squamous cell carcinoma. Oncotarget, 8(45). https://doi.org/10.18632/oncotarget.20232

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