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Open Access 01-09-2015 | Research

Exploring the Molecular Mechanism and Biomakers of Liver Cancer Based on Gene Expression Microarray

Authors: Pengfei Liu, Wenhua Jiang, He Ren, Huilai Zhang, Jihui Hao

Published in: Pathology & Oncology Research | Issue 4/2015

Abstract

Liver cancer is one of the most common cancers worldwide with high morbidity and mortality. Its molecular mechanism hasn’t been fully understood though many studies have been conducted and thus further researches are still needed to improve the prognosis of liver cancer. Firstly, differentially expressed genes (DEGs) between six Mdr2-knockout (Mdr2-KO) mutant mice samples (3-month-old and 12-month-old) and six control mice samples were identified. Then, the enriched GO terms and KEGG pathways of those DEGs were obtained using the Database for Annotation, Visualization and Integrated Discovery (DAVID, http://david.abcc.ncifcrf.gov/). Finally, protein-protein interactions (PPI) network of those DEGs were constructed using STRING database (http://www.string-db.org/) and visualized by Cytoscape software, at the same time, genes with high degree were selected out. Several novel biomarkers that might play important roles in liver cancer were identified through the analysis of gene microarray in GEO. Also, some genes such as Tyrobp, Ctss and pathways such as Pathways in cancer, ECM-receptor interaction that had been researched previously were further confirmed in this study. Through the bioinformatics analysis of the gene microarray in GEO, we found some novel biomarkers of liver cancer and further confirmed some known biomarkers.

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Title: Exploring the Molecular Mechanism and Biomakers of Liver Cancer Based on Gene Expression Microarray
Authors: Pengfei Liu
Wenhua Jiang
He Ren
Huilai Zhang
Jihui Hao
Publication date: 01-09-2015
Publisher: Springer Netherlands
Published in: Pathology & Oncology Research / Issue 4/2015
Print ISSN: 1219-4956
Electronic ISSN: 1532-2807
DOI: https://doi.org/10.1007/s12253-015-9926-7

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