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  • Breast cancer  (1)
  • Cholesterol  (1)
  • Colon cancer  (1)
  • Gene mapping  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Diet and risk of colon cancer in a large prospective study of older women: an analysis stratified on family history (Iowa, United States) (1998)
    Springer
    Cancer causes & control 9 (1998), S. 357-367 
    Details
    ISSN: 1573-7225
    Keywords: Colon cancer ; diet ; family history ; United States ; women
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: The purpose was to investigate whether dietary associations with risk of colon cancer in women differ by family history of the disease. Methods: Data were analyzed from a prospective cohort study of 35,216 Iowa (United States) women aged 55 to 69 years at baseline. Through 31 December 1995, 241 colon cancers were identified through record linkage with the State Health Registry. The cohort was stratified on family history of colon cancer in first-degree relatives; nutrient intakes were divided into tertiles. Results: Analyses using Cox regression revealed that the association of most dietary components with colon cancer incidence were similar for individuals with and without a family history. However, total calcium intake was associated inversely with colon cancer among women with a negative family history (relative risk [RR]=0.50 for upper cf lower tertile, P 〈 0.001), but was unrelated to incidence for women with a positive family history (RR=1.1 for upper cf lower tertile, P=0.69). Similarly, total vitamin E intake was associated with lower risk among women with a negative family history (RR=0.67 for upper cf lower tertile, P=0.04), but not among women with a positive family history (RR=0.87 for upper cf lower tertile, P=0.67). High intakes of fiber, fruits, and vegetables were each weakly inversely associated with risk among family-history negative women, but not among family-history positive women. Conclusions: These data, if corroborated, suggest that dietary factors typically associated with lower risk may be less effective risk-reduction interventions against colon cancer for individuals with a family history of colon cancer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008886715597
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Early body size and subsequent weight again as predictors of breast cancer incidence (Iowa, United States) (1995)
    Springer
    Cancer causes & control 6 (1995), S. 112-118 
    Details
    ISSN: 1573-7225
    Keywords: Breast cancer ; body mass index ; females ; United States ; weight gain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: We examined whether associations of adult weight gain with the risk of postmenopausal breast cancer vary by stature, waist-hip ratio (WHR), and early adult size in a cohort of 37,105 Iowa (United States) women. Both low body mass index (kg/m2) (BMI) at age 18 and high subsequent weight-gain were associated independently with increased risk of incident postmenopausal breast cancer. After stratifying on BMI at age 18, high weight gain was associated with increased risk irrespective of whether early BMI was low (relative risk [RR]=1.92, 95 percent confidence interval [CI]=1.45–2.53) or high (RR=1.59, Ci=1.19–2.12). Women with lower BMI at 18 were at a higher risk at all levels of weight change, but having low BMI at age 18 and low subsequent weight gain conferred no significantly excess risk over those with high BMI at 18 and low gain. An inconsistent increase in risk was associated with taller stature; there was no additional risk associated with high WHR. Part of the observed risk from lower early size may reflect greater weight gain by lighter women. Limiting adult weight gain thus may be a feasible method to avoid increasing an individual's risk of breast cancer. Reasons for different effects of early cf late weight gain are not established, but benefits of a greater size at age 18 are likely to be offset by increased risks of other weight-related diseases at older ages.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00052771
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Dietary cholesterol, fat, and lung cancer incidence among older women: The Iowa Women's Health Study (United States) (1994)
    Springer
    Cancer causes & control 5 (1994), S. 395-400 
    Details
    ISSN: 1573-7225
    Keywords: Cholesterol ; cohort study ; diet ; fat ; lung cancer ; nutrition ; United States
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To test the hypothesis that a high intake of dietary cholesterol and fat is associated with elevated risks of lung cancer, we analyzed data from a population-based, prospective, cohort study conducted among 41,837 postmenopausal Iowa (United States) women who completed, in 1986, a comprehensive mailed questionnaire including information on usual intake of 127 food items. All cohort members were followed for cancer incidence through the statewide cancer registry. By 1991, after six years of follow-up, 272 incident lung-cancer cases were identified. After controlling for total energy intake and other confounding factors, dietary cholesterol, total fat, and animal fat were unrelated to lung cancer risk. Intake in the upper three quartiles of plantderived fat, however, was related to a 30 to 40 percent lower incidence of lung cancer, compared with those in the lowest quartile, with more pronoucned reduction in risk observed among smokers (relative risk=0.6, 95 percent confidence interval=0.4–0.9). This prospective cohort study suggests that high intake of fat of plant origin may be associated with reduced risk of lung cancer, while dietary cholesterol and animal fat intake is unrelated to the etiology of this malignancy in postmenopausal women.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01694752
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Multiplexed short tandem repeat polymorphisms of the Weber 8A set of markers using tailed primers and infrared fluorescence detection (1998)
    Weinheim : Wiley-Blackwell
    Electrophoresis 19 (1998), S. 3079-3083 
    Details
    ISSN: 0173-0835
    Keywords: Multiplex polymerase chain reaction ; Tailed primers ; Gene mapping ; Short tandem repeat polymorphisms ; ODS ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Short tandem repeat polymorphism (STRP) markers have become important reagents for mapping genetic diseases. These markers are available as screening sets, which are located in all chromosomes at discrete intervals, allowing the entire genome to be analyzed. Mapping studies that include many individuals in the analysis necessitate the production of large numbers of genotypes. In an effort to increase the efficiency and lower the cost of using these STRP screening sets, we have divided the amplification primers of the Weber 8A screening set into groups that can be amplified in single polymerase chain reaction (PCR) amplification reactions, resulting in a reduction of both time and cost. Fluorescently-labeled amplification products were produced using a three primer reaction. The forward STRP amplification primer for each marker contained a 19 bp sequence at the 5′ end. A fluorescently-labeled primer, with a sequence identical to the 19 bp tail, was added to the amplification reaction as the sole source of fluorescent label. The STRP banding pattern is detected using an automated fluorescent DNA sequencer. Use of this multiplexed genomic screening set should greatly enhance the mapping of human disease loci.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150191806
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    Paper (German National Licenses)
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