Identification of potential therapeutic target genes and mechanisms in head and neck squamous cell carcinoma by

Jing Kuang1, Mei Zhao2, Huilian Li1

  • 1Department of Plastic Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China.

Oncology Letters
|April 29, 2016
PubMed

Insights

This study identifies key genes and molecular pathways in head and neck squamous cell carcinoma (HNSCC) using bioinformatics. Findings highlight cell adhesion and drug metabolism genes as potential therapeutic targets for HNSCC.

Area of Science:

  • Oncology
  • Bioinformatics
  • Molecular Biology

Background:

  • Head and neck squamous cell carcinoma (HNSCC) is a significant global health concern.
  • Understanding the molecular mechanisms driving HNSCC is crucial for developing effective treatments.

Purpose of the Study:

  • To identify potential target genes and molecular mechanisms in HNSCC through bioinformatics analysis.
  • To explore the functional enrichment and protein-protein interaction networks of differentially expressed genes (DEGs) in HNSCC.

Main Methods:

  • Downloaded and analyzed microarray data (GSE6631) from paired HNSCC and normal tissues.
  • Performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses.
  • Constructed a protein-protein interaction (PPI) network using Cytoscape.

Main Results:

  • Identified 419 differentially expressed genes (DEGs) between HNSCC and normal tissues (196 upregulated, 223 downregulated).
  • Upregulated DEGs were enriched in cell adhesion, extracellular matrix (ECM) organization, and collagen metabolism.
  • Downregulated DEGs were associated with epidermis development and differentiation. Key pathways included ECM-receptor interaction and focal adhesion. Hub genes: FN1, EGFR, COL1A1, MMP-9.

Conclusions:

  • Cell adhesion and drug metabolism pathways are implicated in HNSCC development.
  • Genes such as Fibronectin 1 (FN1), Epidermal Growth Factor Receptor (EGFR), Collagen Type I Alpha 1 (COL1A1), and Matrix Metallopeptidase-9 (MMP-9) represent potential therapeutic targets for HNSCC.