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Head and neck oncology research
1Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.
Current Opinion in Oncology
|May 1, 1994
Summary
Head and neck cancer is increasingly affecting younger individuals globally. Research highlights genetic susceptibility, detoxification enzyme activity (glutathione-S-transferases), and molecular changes as key factors in head and neck carcinogenesis.
Area of Science:
- Oncology
- Carcinogenesis
- Molecular Biology
Background:
- Head and neck cancer incidence is rising in younger populations worldwide.
- The precise factors driving head and neck carcinogenesis are not fully understood.
- Host detoxification capacity and genetic predispositions are potential contributors.
Purpose of the Study:
- To explore the biological determinants of head and neck cancer development and progression.
- To investigate the role of glutathione-S-transferases (GST) in carcinogen detoxification.
- To identify genetic alterations and molecular changes associated with head and neck malignancies.
Main Methods:
- Review of recent scientific literature on head and neck cancer biology.
- Analysis of studies on genetic susceptibility, specifically chromosome 3p alterations.
- Examination of research on cellular factors like growth factors, cytokeratin 19, and matrix metalloproteinases.
Main Results:
- Deficient glutathione-S-transferase (GST) activity may increase cancer risk.
- Chromosome 3p alterations are frequently observed in head and neck cancers and tobacco-related malignancies.
- Altered growth factors, cytokeratin 19, and matrix metalloproteinases are implicated in cancer progression.
Conclusions:
- Understanding head and neck cancer complexity requires investigating host detoxification, genetic factors, and molecular pathways.
- Abnormal gene expression influences therapeutic response.
- Preventive strategies, including nutritional and behavioral interventions, are crucial.