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  • 1
    Keywords: measurement ; CANCER ; Germany ; COHORT ; INDEX ; ASSOCIATION ; PLASMA ; AGE ; WOMEN ; MEN ; smoking ; COUNTRIES ; MALES ; PROSTATE-CANCER ; MARKERS ; SWEDEN ; REGION ; REGIONS ; NETHERLANDS ; ALCOHOL ; GREECE ; CONSUMPTION ; EPIC ; European Prospective Investigation into Cancer and Nutrition ; FRUIT ; nutrition ; EUROPE ; antioxidants ; DENMARK ; BETA-CAROTENE ; VITAMIN-E ; ALPHA-TOCOPHEROL ; alpha-carotene ; beta-cryptoxanthin ; carotenoids ; lutein ; LYCOPENE ; MASS INDEX ; MASSES ; PERFORMANCE LIQUID-CHROMATOGRAPHY ; RETINOL ; SEASONAL-VARIATION ; SERUM CONCENTRATIONS ; zeaxanthin
    Abstract: Background: In addition to their possible direct biological effects, plasma carotenoids can be used as biochemical markers of fruit and vegetable consumption for identifying diet-disease associations in epidemiological studies. Few studies have compared levels of these carotenoids between countries in Europe. Objective: Our aim was to assess the variability of plasma carotenoid levels within the cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC). Methods: Plasma levels of six carotenoids-alpha-carotene, beta-carotene, beta-cryptoxanthin, lycopene, lutein and zeaxanthin-were measured cross-sectionally in 3043 study subjects from 16 regions in nine European countries. We investigated the relative influence of gender, season, age, body mass index (BMI), alcohol intake and smoking status on plasma levels of the carotenoids. Results: Mean plasma level of the sum of the six carotenoids varied twofold between regions (1.35 mumol l(-1) for men in Malmo, Sweden vs. 2.79 mumol l(-1) for men in Ragusa/Naples, Italy; 1.61 mumol l(-1) for women in The Netherlands vs. 3.52 mumol l(-1) in Ragusa/Naples, Italy). Mean levels of individual carotenoids varied up to fourfold (alpha-carotene: 0.06 mumol l(-1) for men in Murcia, Spain vs. 0.25 mumol l(-1) for vegetarian men living in the UK). In multivariate regression analyses, region was the most important predictor of total plasma carotenoid level (partial R-2=27.3%), followed by BMI (partial R-2=5.2%), gender (partial R-2=2.7%) and smoking status (partial R-2=2.8%). Females had higher total carotenoid levels than males across Europe. Conclusions: Plasma levels of carotenoids vary substantially between 16 different regions in Italy, Greece, Spain, France, Germany, the UK, Sweden, Denmark and The Netherlands. Compared with region of residence, the other demographic and lifestyle factors and laboratory measurements have limited predictive value for plasma carotenoid levels in Europe
    Type of Publication: Journal article published
    PubMed ID: 15369608
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  • 2
    Keywords: ENERGIES ; CANCER ; MODEL ; COHORT ; EPIDEMIOLOGY ; POPULATION ; RISK ; colon ; ASSOCIATION ; ACID ; ACIDS ; NO ; hormone ; ENERGY ; AGE ; WOMEN ; colorectal cancer ; MEN ; smoking ; COLORECTAL-CANCER ; COUNTRIES ; PROSTATE-CANCER ; cancer risk ; FIBER ; FRANCE ; COLON-CANCER ; MULTIVARIATE ; fatty acids ; FATTY-ACIDS ; DIETARY ; CANCER-RESEARCH ; CONSUMPTION ; European Prospective Investigation into Cancer and Nutrition ; FRUIT ; nutrition ; QUESTIONNAIRE ; CALIBRATION ; FOOD ; ASSOCIATIONS ; colon cancer ; WEIGHT ; CORONARY-HEART-DISEASE ; DIETARY-INTAKE MEASUREMENTS ; EPIC PROJECT ; HEIGHT
    Abstract: A link between unsaturated fatty acids or phytonutrients and reduced risk of colorectal cancer has been suggested. However, the effects of higher intake of dietary sources of these nutrients, such as the nuts and seeds food group, are less clear. The objective of this study was to determine the effects of nut and seed intake on colorectal cancer risk within the European Prospective Investigation into Cancer and Nutrition study, a large prospective cohort study involving 10 European countries. Total nut and seed intake was determined from country-specific dietary questionnaires. The data set included 478,040 subjects (141,988 men, 336,052 women) with a total of 855 (327 men, 528 women) colon and 474 (215 men, 259 women) rectal cancer cases. A multivariate Cox proportional hazards model, stratified by center and controlled for fruit intake, dietary fiber, energy, height, weight, sex, age, physical activity, and smoking, was used. The data show no association between higher intake of nuts and seeds and risk of colorectal, colon, and rectal cancers in men and women combined, but a significant inverse association was observed in subgroup analyses for colon cancer in women at the highest (〉6.2 g/d) versus the lowest (nonconsumers; hazard ratio, 0.69;, 95% confidence interval, 0.50-0.95) category of intake and for the linear effect of log-transformed intake (hazard ratio, 0.89; 95% confidence interval, 0.80-0.98), with no associations in men. It is not evident from this data why there may be a stronger association in women or why it may be limited to the colon, suggesting that much, further research is necessary
    Type of Publication: Journal article published
    PubMed ID: 15466975
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  • 3
    Keywords: RECEPTOR ; CANCER ; GROWTH ; GROWTH-FACTOR ; proliferation ; tumor ; CELL-PROLIFERATION ; PATHWAY ; RISK ; GENE ; GENES ; PROTEIN ; TUMORS ; RELEASE ; PATIENT ; BINDING ; ASSOCIATION ; polymorphism ; POLYMORPHISMS ; single nucleotide polymorphism ; VARIANTS ; BREAST ; breast cancer ; BREAST-CANCER ; hormone ; COLORECTAL-CANCER ; PROSTATE-CANCER ; cancer risk ; case-control studies ; SOMATOSTATIN ; CANCER PATIENTS ; nutrition ; FACTOR-I ; BINDING PROTEIN ; SERUM ; SINGLE ; IGF-I ; BINDING-PROTEIN ; case-control study ; ASSOCIATIONS ; RE ; VARIANT ; SINGLE NUCLEOTIDE POLYMORPHISMS ; cell proliferation ; development ; GROWTH-FACTOR-I ; BINDING PROTEIN-3 ; LEVEL ; case control studies ; GENOTYPE DATA ; FACTOR (IGF)-I ; PREMENOPAUSAL WOMEN ; IGFBP3 ; insulin-like growth factor ; PLASMA-LEVELS ; SERUM-LEVELS
    Abstract: Insulin-like growth factor-I (IGF-I) stimulates cell proliferation and can enhance the development of tumors in different organs. Epidemiologic studies have shown that an elevated level of circulating IGF-I is associated to increased risk of breast cancer as well as other cancers. Genetic variants affecting the release or biological action of growth hormone (GH), the main stimulator of IGF-I production, may predict circulating levels of IGF-I and have an effect on cancer risk. We tested this hypothesis with a large case-control study of 807 breast cancer patients and 1,588 matched control subjects nested within the European Prospective Investigation into Cancer and Nutrition. We genotyped 22 common single nucleotide polymorphisms in 10 genes involved in GH production and action (GHRH, GHRHR, SST, SSTR1-SSTR5, POU1F1, and GH1), and in parallel, we measured serum levels of IGF-I and IGFBP-3, its major binding protein, in samples of cases and controls. SST and SSTR2 polymorphisms showed weak but statistically significant associations with breast cancer risk. SSTR5 polymorphisms were associated with IGF-I levels, whereas one polymorphism in GHRHR and one in POU1F1 were associated with IGFBP-3 levels. Our conclusion is that common genetic variation in the GH synthesis pathway, as measured by single nucleotide polymorphisms selected in the present study, is not a major determinant of IGF-I and IGFBP-3 circulating levels, and it does not play a major role in altering breast cancer risk
    Type of Publication: Journal article published
    PubMed ID: 16214911
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  • 4
    Keywords: CANCER ; BLOOD ; hormone ; WOMEN ; COUNTRIES ; PROSTATE-CANCER ; DIET ; CONSUMPTION ; EPIC ; EPIC study ; nutrition ; VEGETABLES ; LYCOPENE ; RE ; TOMATO ; LEVEL ; FRUITS ; JUICE ; PLASMA CAROTENOID LEVELS
    Type of Publication: Journal article published
    PubMed ID: 16046733
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  • 5
    Keywords: ENERGIES ; CANCER ; MODEL ; FOLLOW-UP ; POPULATION ; RISK ; ASSOCIATION ; hormone ; ENERGY ; AGE ; WOMEN ; colorectal cancer ; MEN ; PROSPECTIVE COHORT ; smoking ; COLORECTAL-CANCER ; cancer risk ; FISH ; FIBER ; COLON-CANCER ; DOSE-RESPONSE ; Jun ; DIET ; DIETARY ; UNITED-STATES ; ALCOHOL-CONSUMPTION ; nutrition ; ASSOCIATIONS ; RE ; ENERGY-INTAKE ; EPIC CALIBRATION ; PHYSICAL-ACTIVITY ; INTERVAL ; TESTS ; alcohol consumption ; MEAT INTAKE ; DIETARY CARCINOGENS ; GENETIC SUSCEPTIBILITY ; N-NITROSATION ; RED MEAT
    Abstract: Background. Current evidence suggests that high red meat intake is associated with increased colorectal cancer risk. High fish intake may be associated with a decreased risk, but the existing evidence is less convincing. Methods: We prospectively followed 478040 men and women from 10 European countries who were free of cancer at enrollment between 1992 and 1998. Information on diet and lifestyle was collected at baseline. After a mean follow-up of 4.8 years, 1329 incident colorectal cancers were documented. We examined the relationship between intakes of red and processed meat, poultry, and fish and colorectal cancer risk using a proportional hazards model adjusted for age, sex, energy (nonfat and fat sources), height, weight, work-related physical activity, smoking status, dietary fiber and folate, and alcohol consumption, stratified by center. A calibration substudy based on 36994 subjects was used to correct hazard ratios (HRs) and 95% confidence intervals (CIs) for diet measurement errors. All statistical tests were two-sided. Results: Colorectal cancer risk was positively associated with intake of red and processed meat (highest [〉 160 g/day] versus lowest [〈 20 g/day] intake, HR = 1.35, 95% CI = 0.96 to 1.88; P-trend = .03) and inversely associated with intake of fish (〉 80 g/day versus 〈 10 g/day, HR = 0.69, 95% CI = 0.54 to 0.88; P-trend 〈 .001), but was not related to poultry intake. Correcting for measurement error strengthened the associations between colorectal cancer and red and processed meat intake (per 100-g increase HR = 1.25, 95% CI = 1.09 to 1.41, P-trend = .001 and HR = 1.55, 95% CI = 1.19 to 2.02, P-trend = .001 before and after calibration, respectively) and for fish (per 100 g increase HR = 0.70, 95% CI = 0.57 to 0.87, P-trend 〈 .001 and HR = 0.46, 95% CI = 0.27 to 0.77, P-trend = .003; before and after correction, respectively). In this study population, the absolute risk of development of colorectal cancer within 10 years for a study subject aged 50 years was 1.71% for the highest category of red and processed meat intake and 1.28% for the lowest category of intake and was 1.86% for subjects in the lowest category of fish intake and 1.28% for subjects in the highest category of fish intake. Conclusions: Our data confirm that colorectal cancer risk is positively associated with high consumption of red and processed meat and support an inverse association with fish intake
    Type of Publication: Journal article published
    PubMed ID: 15956652
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  • 6
    Keywords: Germany ; MODEL ; MODELS ; COHORT ; POPULATION ; TIME ; PATIENT ; ASSOCIATION ; AGE ; WOMEN ; PROSPECTIVE COHORT ; BETA ; DIET ; INDIVIDUALS ; time trends ; TRENDS ; EUROPE ; DENMARK ; BREAST-CANCER RISK ; POSTMENOPAUSAL WOMEN ; STANDARD ; ADULT ; RE ; DETERMINANTS ; BODY-SIZE ; HEIGHT ; PARTICIPANTS ; BIRTH ; body height ; menarche ; SECULAR TRENDS ; URINE ESTROGENS
    Abstract: In the last two centuries, age at menarche has decreased in several European populations, whereas adult height has increased. It is unclear whether these trends have ceased in recent years or how age at menarche and height are related in individuals. In this study, the authors first investigated trends in age at menarche and adult height among 286,205 women from nine European countries by computing the mean age at menarche and height in 5-year birth cohorts, adjusted for differences in socioeconomic status. Second, the relation between age at menarche and height was estimated by linear regression models, adjusted for age at enrollment between 1992 and 1998 and socioeconomic status. Mean age at menarche decreased by 44 days per 5-year birth cohort (beta = -0.12, standard error = 0.002), varying from 18 days in the United Kingdom to 58 days in Spain and Germany. Women grew 0.29 cm taller per 5-year birth cohort (standard error = 0.007), varying from 0.42 cm in Italy to 0.98 cm in Denmark. Furthermore, women grew approximately 0.31 cm taller when menarche occurred 1 year later (range by country: 0.13-0.50 cm). Based on time trends, more recent birth cohorts have their menarche earlier and grow taller. However, women with earlier menarche reach a shorter adult height compared with women who have menarche at a later age
    Type of Publication: Journal article published
    PubMed ID: 16107566
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  • 7
    Keywords: CANCER ; LUNG ; EMPHYSEMA ; FOLLOW-UP ; lung cancer ; LUNG-CANCER ; NETWORKS ; DEATH ; DISEASE ; DNA adducts ; EXPOSURE ; RISK ; GENES ; TIME ; DNA ; AIR-POLLUTION ; ASSOCIATION ; POLYMORPHISMS ; AGE ; REPAIR ; smoking ; leukemia ; bladder cancer ; BLADDER-CANCER ; cancer risk ; DAMAGE ; POLYCYCLIC AROMATIC-HYDROCARBONS ; DNA-DAMAGE ; RECRUITMENT ; ADDUCTS ; case-control studies ; EPIC ; nutrition ; QUESTIONNAIRE ; WHITE BLOOD-CELLS ; DNA-ADDUCTS ; case-control study ; DETERMINANTS ; monitoring ; GSTM1 ; LEVEL ; ADDUCT ; case control studies ; INTERVAL ; DNA damage ; DNA ADDUCT ; ABILITY ; GENDER ; OUTDOOR AIR-POLLUTION ; OZONE
    Abstract: Objectives were to investigate prospectively the ability of DNA adducts to predict cancer and to study the determinants of adducts, especially air pollutants. DNA adducts were measured in a case-control study nested in the European Prospective Investigation into Cancer and Nutrition (EPIC investigation. Cases included newly diagnosed lung cancer (n = 115), upper respiratory cancers (pharynx and larynx, n 82), bladder cancer (n = 124), leukemia (n = 166), and chronic obstructive pulmonary disease or emphysema deaths (n = 77) accrued after a median follow-up of 7 years among the EPIC former smokers and never-smokers. Three controls per case were matched for questionnaire analyses and two controls per case for laboratory analyses. Matching criteria were gender, age, smoking status, country of recruitment, and follow-up time. Individual exposure to air pollution was assessed using concentration data from monitoring stations in routine air quality monitoring networks. Leukocyte DNA adducts were analyzed blindly using (32)p postlabeling technique. Adducts were associated with the subsequent risk of lung cancer, with an odds ratio (OR) of 1.86 [95% confidence interval (95% CI), 0.88-3.931 when comparing detectable versus nondetectable adducts. The association with lung cancer was stronger in never-smokers (OR, 4.04; 95% CI, 1.06-15.42) and among the younger age groups. After exclusion of the cancers occurring in the first 36 months of follow-up, the OR was 4.16 (95% CI, 1.24-13.88). A positive association was found between DNA adducts and ozone (O-3) concentration. Our prospective study suggests that leukocyte DNA adducts may predict lung cancer risk of never-smokers. Besides, the association of DNA adduct levels with O-3 indicates a possible role for photochemical smog in determining DNA damage
    Type of Publication: Journal article published
    PubMed ID: 16140979
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  • 8
    Keywords: CANCER ; tumor ; Germany ; human ; MODEL ; MODELS ; COHORT ; MORTALITY ; RISK ; ASSOCIATION ; ovarian cancer ; OVARIAN-CANCER ; COUNTRIES ; cancer risk ; DIETARY ; CONSUMPTION ; nutrition ; QUESTIONNAIRE ; questionnaires ; VEGETABLES ; NUTRIENTS ; carotenoids ; DIETARY FACTORS ; DETERMINANTS ; SUBTYPE ; FRUITS ; PART ; PARTICIPANTS ; CANCER INCIDENCE ; ALLIUM VEGETABLES ; FOOD GROUPS
    Abstract: Objective: The association between consumption of fruit and vegetables and risk of ovarian cancer is still unclear from a prospective point of view. Methods: Female participants (n = 325,640) of the European Prospective Investigation into Cancer and Nutrition study, free of any cancer at baseline, were followed on average for 6.3 years to develop ovarian cancer. During 2,049,346 person-years, 581 verified cases of primary, invasive epithelial ovarian cancer were accrued. Consumption of fruits and vegetables as well as subgroups of vegetables, estimated from validated dietary questionnaires and calibrated thereafter, was related to ovarian cancer incidence in multivariable hazard regression models. Histologic subtype specific analyses were done. Results: Total intake of fruit and vegetables, separately or combined, as well as subgroups of vegetables (fruiting, root, leafy vegetables, cabbages) was unrelated to risk of ovarian cancer. A high intake of garlic/onion vegetables was associated with a borderline significant reduced risk of this cancer. The examination by histologic subtype indicated some differential effects of fruit and vegetable intake on ovarian cancer risk. Conclusion: Overall, a high intake of fruits and vegetables did not seem to protect from ovarian cancer. Garlic/onion vegetables may exert a beneficial effect. The study of the histologic subtype of the tumor warrants further investigation
    Type of Publication: Journal article published
    PubMed ID: 16284374
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  • 9
    Keywords: CANCER ; Germany ; human ; MODEL ; COHORT ; RISK ; ASSOCIATION ; MEN ; COUNTRIES ; DIETARY ; ALCOHOL ; CONSUMPTION ; EPIC ; nutrition ; VEGETABLES ; CALIBRATION ; RELATIVE RISK ; REGRESSION ; ASSOCIATIONS ; LEVEL ; INTERVAL ; FRUITS ; fruits and vegetables ; prospective ; prospective study ; RECOMMENDATIONS ; EUROPEAN COUNTRIES ; CANCERS ; VARIABLES ; root vegetables ; SUBGROUPS ; upper aero-digestive cancer
    Abstract: Epidemiologic studies suggest that a high intake of fruits and vegetables is associated with decreased risk of cancers of the upper aero-digestive tract. We studied data from 345,904 subjects of the prospective European Investigation into Cancer and Nutrition (EPIC) recruited in seven European countries, who had completed a dietary questionnaire in 1992-1998. During 2,182,560 person years of observation 352 histologically verified incident squamous cell cancer (SCC) cases (255 males; 97 females) of the oral cavity, pharynx, larynx, and esophagus were identified. Linear and restricted cubic spline Cox regressions were fitted on variables of intake of fruits and vegetables and adjusted for potential confounders. We observed a significant inverse association with combined total fruits and vegetables intake (estimated relative risk (RR) = 0.91; 95% confidence interval (95% CI) 0.83-1.00 per 80 g/d of consumption), and nearly significant inverse associations in separate analyses with total fruits and total vegetables intake (RR: 0.97 (95% CI: 0.92-1.02) and RR = 0.89 (95% CI: 0.78-1.02) per 40 g/d of consumption). Overall, vegetable subgroups were not related to risk with the exception of intake of root vegetables in men. Restricted cubic spline regression did not improve the linear model fits except for total fruits and vegetables and total fruits with a significant decrease in risk at low intake levels (〈 120 g/d) for fruits. Dietary recommendations should consider the potential benefit of increasing fruits and vegetables consumption for reducing the risk of cancers of the upper aero-digestive tract, particularly at low intake
    Type of Publication: Journal article published
    PubMed ID: 16841263
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  • 10
    Keywords: CANCER ; tumor ; FOLLOW-UP ; COHORT ; RISK ; RISKS ; TUMORS ; colon ; ASSOCIATION ; ENERGY ; WOMEN ; etiology ; MEN ; COLORECTAL-CANCER ; cancer risk ; COLON-CANCER ; DOSE-RESPONSE ; UNITED-STATES ; BODY ; body mass index ; nutrition ; dietary fiber ; LEISURE-TIME ; physical activity ; RECTAL-CANCER ; MASS INDEX ; ASSOCIATIONS ; colon cancer ; PHYSICAL-ACTIVITY ; INTERVAL ; PARTICIPANTS ; BODY-MASS INDEX ; ENERGY-BALANCE ; prospective ; BMI ; CANCERS ; CANCER-RISK ; ACTIVITY QUESTIONNAIRE ; ANATOMIC SUBSITE ; intake ; LARGE-BOWEL-CANCER ; OCCUPATIONAL RISK
    Abstract: We investigated several aspects of the role of physical activity in colon and rectal cancer etiology that remain unclear in the European Prospective Investigation into Nutrition and Cancer. This cohort of 413,044 men and women had 1,094 cases of colon and 599 cases of rectal cancer diagnosed during an average of 6.4 years of follow-up. We analyzed baseline data on occupational, household, and recreational activity to examine associations by type of activity, tumor subsite, body mass index (BMI), and energy intake. The multivariate hazard ratio for colon cancer was 0.78 [95% confidence interval (95% CI), 0.59-1.03] among the most active participants when compared with the inactive, with evidence of a dose-response effect (P-trend = 0.04). For right-sided colon tumors, the risk was 0.65 (95% CI, 0.43-1.00) in the highest quartile of activity with evidence of a linear trend (P-trend=0.004). Active participants with a BMI under 25 had a risk of 0.63 (95% CI, 0.39-1.01) for colon cancer compared with the inactive. Finally, an interaction between BMI and activity (P-interaction=0.03) was observed for right-sided colon cancers; among moderately active and active participants with a BMI under 25, a risk of 0.38 (95% CI, 0.21-0.68) was found as compared with inactive participants with BMI 〉 30. No comparable decreased risks were observed for rectal cancer for any type of physical activity for any subgroup analyses or interactions considered. We found that physical activity reduced colon cancer risk, specifically for right-sided tumors and for lean participants, but not rectal cancer
    Type of Publication: Journal article published
    PubMed ID: 17164362
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