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pmid:27446427

Identification of key target genes and pathways in laryngeal carcinoma.

Feng Liu · Jintao Du · Jun Liu · Bei Wen

Oncology letters · 2016 doi:10.3892/ol.2016.4750

Paper

complete

Experiment

complete

Data

partial

Analysis

complete

Execution

absent

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Record details sci_version · id · kind · revision · content_hash · schema · created_at · updated_at · generator
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title
Identification of key target genes and pathways in laryngeal carcinoma.
doi
10.3892/ol.2016.4750
pmid
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[0]
Feng Liu
[1]
Jintao Du
[2]
Jun Liu
[3]
Bei Wen
journal
Oncology letters
year
2016
abstract
The purpose of the present study was to screen the key genes associated with laryngeal carcinoma and to investigate the molecular mechanism of laryngeal carcinoma progression. The gene expression profile of GSE10935 [Gene Expression Omnibus (GEO) accession number], including 12 specimens from laryngeal papillomas and 12 specimens from normal laryngeal epithelia controls, was downloaded from the GEO database. Differentially expressed genes (DEGs) were screened in laryngeal papillomas compared with normal controls using Limma package in R language, followed by Gene Ontology (GO) enrichment analysis and pathway enrichment analysis. Furthermore, the protein-protein interaction (PPI) network of DEGs was constructed using Cytoscape software and modules were analyzed using MCODE plugin from the PPI network. Furthermore, significant biological pathway regions (sub-pathway) were identified by using iSubpathwayMiner analysis. A total of 67 DEGs were identified, including 27 up-regulated genes and 40 down-regulated genes and they were involved in different GO terms and pathways. PPI network analysis revealed that Ras association (RalGDS/AF-6) domain family member 1 (RASSF1) was a hub protein. The sub-pathway analysis identified 9 significantly enriched sub-pathways, including glycolysis/gluconeogenesis and nitrogen metabolism. Genes such as phosphoglycerate kinase 1 (PGK1), carbonic anhydrase II (CA2), and carbonic anhydrase XII (CA12) whose node degrees were >10 were identified in the disease risk sub-pathway. Genes in the sub-pathway, such as RASSF1, PGK1, CA2 and CA12 were presumed to serve critical roles in laryngeal carcinoma. The present study identified DEGs and their sub-pathways in the disease, which may serve as potential targets for treatment of laryngeal carcinoma.
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A t-test (16) in the limma (17) package in R (14) was used to identify DEGs. Up-regulated and down-regulated genes were identified between papillomas and normal controls. The Bonferroni method (18) was applied to perform a multiple testing correction.
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A t-test (16) in the limma (17) package in R (14) was used to identify DEGs. Up-regulated and down-regulated genes were identified between papillomas and normal controls. The Bonferroni method (18) was applied to perform a multiple testing correction.
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The mRNA expression profile of GSE10935 was downloaded from the National Center of Biotechnology Information (NCBI) Gene Expression Omnibus (GEO) database (http://www.ncbi.nlm.nih.gov/geo/), which was deposited by DeVoti et al (12).
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Immune Dysregulation/Tumor-Associated Gene Changes in Recurrent Respiratory Papillomatosis: A Paired Microarray Analysis
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