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Risk factors and genetic susceptibility
1Department of Epidemiology, University of Texas M. D. Anderson Cancer Center, Houston 77030, USA.
Cancer Treatment and Research
|January 1, 1995
Summary
Tobacco use significantly increases head and neck cancer risk. New research focuses on ecogenetics, exploring how genetic factors and environmental exposures interact to influence cancer susceptibility. Identifying high-risk individuals can improve prevention strategies.
Area of Science:
- Epidemiology
- Genetics
- Cancer Research
Background:
- Tobacco use is a primary cause of head and neck cancer.
- Classical epidemiology has established this link.
- Current research shifts towards understanding individual susceptibility.
Purpose of the Study:
- To explore the role of interindividual differences in susceptibility to carcinogens.
- To investigate the interaction between genetic susceptibility and environmental factors (ecogenetics).
- To identify markers for high-risk populations for targeted cancer prevention.
Main Methods:
- Utilizing multidisciplinary epidemiologic research techniques.
- Measuring carcinogen metabolic activation.
- Assessing DNA repair capabilities.
Main Results:
- Established tobacco use as a major head and neck cancer risk factor.
- Highlighted the importance of ecogenetics in cancer etiology.
- Identified specific susceptibility markers relevant to upper aerodigestive tract cancers.
Conclusions:
- Individual susceptibility, influenced by genetic and environmental interactions, is crucial in cancer development.
- Measurements of carcinogen metabolism and DNA repair can identify high-risk groups.
- Targeted primary and secondary prevention strategies can be developed for these subgroups.