Searching for molecular markers in head and neck squamous cell carcinomas (HNSCC) by statistical and bioinformatic analysis of larynx-derived SAGE libraries
2008

Identifying Molecular Markers in Head and Neck Cancer

Sample size: 26 publication Evidence: moderate

Author Information

Author(s): Silveira Nelson JF, Varuzza Leonardo, Machado-Lima Ariane, Lauretto Marcelo S, Pinheiro Daniel G, Rodrigues Rodrigo V, Severino Patrícia, Nobrega Francisco G, Silva Wilson A Jr, de B Pereira Carlos A, Tajara Eloiza H

Primary Institution: Instituto de Pesquisa e Desenvolvimento, Universidade do Vale do Paraíba, UNIVAP, São José dos Campos, SP, Brazil

Hypothesis

The study aims to identify differentially-expressed genes involved in laryngeal squamous cell carcinoma (LSCC) development and progression.

Conclusion

This study is the first to report SAGE data in head and neck squamous cell tumors, identifying potential common biomarkers for prognosis and targeted therapy.

Supporting Evidence

  • The study identified 1,216 differentially expressed tags between tumor and normal libraries.
  • 894 differentially expressed tags were found between metastatic and non-metastatic carcinomas.
  • Real-time PCR confirmed the differential expression of selected genes in additional HNSCC samples.

Takeaway

Researchers looked at genes in throat cancer to find clues that could help doctors treat patients better.

Methodology

The study used Serial Analysis of Gene Expression (SAGE) to analyze gene expression in laryngeal carcinoma samples and normal tissues.

Limitations

The study's findings may not be generalizable due to the limited sample size and the complexity of SAGE data analysis.

Participant Demographics

The study included samples from patients with laryngeal squamous cell carcinoma, both metastatic and non-metastatic.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1755-8794-1-56

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