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  • 1
    Electronic Resource
    Electronic Resource
    NUTRITION, GENETICS, AND RISKS OF CANCER (2000)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Public Health 21 (2000), S. 47-64 
    Details
    ISSN: 0163-7525
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine
    Notes: Abstract Dietary patterns, nutrients, and other constituents of food are major components of the environmental influences that contribute to risk for cancer, and the study of interactions between nutritional and genetic factors is a new and important area of research. This review describes the concepts and principles underlying this area of study and types of relationships between nutritional and genetic factors, and it provides examples of specific diet-gene interactions that are of current interest, with an emphasis on implications for cancer prevention and public health. Polymorphisms exist in the genes for the activating and conjugating metabolizing enzymes, and the induction of metabolizing enzyme activity by nutritional factors may result in either the activation of a carcinogen or the detoxification of a reactive intermediate metabolite. The relationship between the methylenetetrahydrofolate reductase gene and dietary folate is an example of a diet-gene interaction that involves a polymorphism in a vitamin metabolism gene, and the presence of the variant appears to influence both risk for cancer and folate requirements. Diet-gene interactions likely contribute considerably to the observed inter-individual variations in cancer risk in response to exposures to the nutritional factors that have the potential to promote or protect against cancer. Insights into mechanisms by which nutritional factors affect the process of carcinogenesis are provided by knowledge of the targeted gene function and enzyme activity. Increased knowledge in this area will allow a more refined approach to reducing risk for cancer, with diet interventions targeted toward individuals and subgroups that are genetically susceptible and responsive to the effects of nutritional factors. Investigating the cellular and molecular pathogenesis of cancer is an established and important area of basic science research. Within the past several years, the capability of examining biomarkers of various genetic factors in the development and progression of chronic diseases, such as cancers, has enabled researchers to study these factors in clinical and community-based populations, in which environmental factors can also be measured or even manipulated. Dietary patterns and the nutrients and other co nstituents of food are a major component of the environmental influen ces that appear to contribute to disease risk, and the study of interactions between nutritional and genetic factors is a new and important area of research. This review describes the concepts and principles underlying this area of study, describes types of relationships between nutritional and genetic factors, provides examples of specific diet-gene interactions that are of current interest, and comments on implications for cancer prevention and public health.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.publhealth.21.1.47
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Carotenoids and Antioxidant Nutrients following Burn Injury (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 691 (1993), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1993.tb26193.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Diet and risk for breast cancer recurrence and survival (1999)
    Springer
    Breast cancer research and treatment 53 (1999), S. 241-253 
    Details
    ISSN: 1573-7217
    Keywords: breast cancer ; diet ; recurrence ; survival
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Dietary factors may influence the risk for breast cancer and also the prognosis following diagnosis and treatment. The aim of this study was to assess whether self-reported prediagnosis diet or other patient factors associated with breast cancer incidence were predictive of recurrence and survival. Patients (n=149) diagnosed with primary breast cancer between 1989 and 1991 were followed for five or more years. Total energy (hazard ratio (HR)=1.58, 95%, confidence interval (CI)= 1.05, 2.38) as well as total (HR = 1.46, 95% CI = 1.05, 2.01), saturated (HR = 1.79,95% CI = 1.05, 3.04), and monounsaturated (HR = 1.65, 95% CI = 1.09,2.49) fat intakes were associated with increased risk, and energy-adjusted bread and cereal consumption (HR = 0.55, 95% CI = 0.33, 0.93) with decreased risk of recurrence. Both total energy (HR = 1.58, 95% CI = 1.03, 2.43) and polyunsaturated fat (HR = 1.84, 95% CI = 1.09, 3.13) intakes were associated with an increased risk of death. All associations between dietary fat and recurrence and survival attenuated following energy adjustment. Oral contraceptive use (HR = 1.28, 95% CI = 1.03, 1.60), lymph node positive status (HR = 2.36, 95% CI = 1.01, 5.49), and tumor stage (HR = 2.22, 95% CI = 1.02, 4.81) were associated with increased risk of recurrence. Tumor stage (HR = 4.96, 95% CI = 1.86, 13.23), lymph node positive status (HR = 3.31, 95% CI = 1.38, 7.95, and estrogen receptor negative status (HR = 2.46, 95% CI = 1.02, 5.94) were associated with increased risk, and arm muscle circumference (HR = 0.27, 95% CI = 0.09, 0.86) and mammographic utilization (HR = 0.77, 95% CI = 0.61, 0.98) with decreased risk of death. Higher levels of energy, fat intakes, and selected patient characteristics (particularly disease stage and anthropometric indicators of adiposity) appear to increase risk of recurrence and/or shortened survival following the diagnosis of breast cancer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006190820231
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    Paper (German National Licenses)
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