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1.
Eric J. Duell Leila Lujan‐Barroso Núria Sala Samantha Deitz McElyea Kim Overvad Anne Tjonneland Anja Olsen Elisabete Weiderpass Lill‐Tove Busund Line Moi David Muller Paolo Vineis Dagfinn Aune Giuseppe Matullo Alessio Naccarati Salvatore Panico Giovanna Tagliabue Rosario Tumino Domenico Palli Rudolf Kaaks Verena A. Katzke Heiner Boeing H. B Bueno‐de‐Mesquita Petra H. Peeters Antonia Trichopoulou Pagona Lagiou Anastasia Kotanidou Ruth C. Travis Nick Wareham Kay‐Tee Khaw Jose Ramon Quiros Miguel Rodríguez‐Barranco Miren Dorronsoro María‐Dolores Chirlaque Eva Ardanaz Gianluca Severi Marie‐Christine Boutron‐Ruault Vinciane Rebours Paul Brennan Marc Gunter Ghislaine Scelo Greg Cote Stuart Sherman Murray Korc 《International journal of cancer. Journal international du cancer》2017,141(5):905-915
Noninvasive biomarkers for early pancreatic ductal adenocarcinoma (PDAC) diagnosis and disease risk stratification are greatly needed. We conducted a nested case‐control study within the Prospective Investigation into Cancer and Nutrition (EPIC) cohort to evaluate prediagnostic microRNAs (miRs) as biomarkers of subsequent PDAC risk. A panel of eight miRs (miR‐10a, ‐10b, ‐21‐3p, ‐21‐5p, ‐30c, ‐106b, ‐155 and ‐212) based on previous evidence from our group was evaluated in 225 microscopically confirmed PDAC cases and 225 controls matched on center, sex, fasting status and age/date/time of blood collection. MiR levels in prediagnostic plasma samples were determined by quantitative RT‐PCR. Logistic regression was used to model levels and PDAC risk, adjusting for covariates and to estimate area under the receiver operating characteristic curves (AUC). Plasma miR‐10b, ‐21‐5p, ‐30c and ‐106b levels were significantly higher in cases diagnosed within 2 years of blood collection compared to matched controls (all p‐values <0.04). Based on adjusted logistic regression models, levels for six miRs (miR‐10a, ‐10b, ‐21‐5p, ‐30c, ‐155 and ‐212) overall, and for four miRs (‐10a, ‐10b, ‐21‐5p and ‐30c) at shorter follow‐up time between blood collection and diagnosis (≤5 yr, ≤2 yr), were statistically significantly associated with risk. A score based on the panel showed a linear dose‐response trend with risk (p‐value = 0.0006). For shorter follow‐up (≤5 yr), AUC for the score was 0.73, and for individual miRs ranged from 0.73 (miR‐212) to 0.79 (miR‐21‐5p). 相似文献
2.
A cohort study of smoking,alcohol consumption,and dietary factors for pancreatic cancer (United States) 总被引:7,自引:0,他引:7
Wei Zheng Joseph K. McLaughlin Gloria Gridley Erik Bjelke Leonard M. Schuman Debra T. Silverman Sholom Wacholder Harvey T. Co-Chien William J. Blot Joseph F. Fraumeni Jr. 《Cancer causes & control : CCC》1993,4(5):477-482
Risk factors for pancreatic cancer were evaluated in a cohort study of 17,633 White men in the United States who responded to a mailed questionnaire in 1966 and were followed-up through 1986 for mortality. Cigarette smoking and alcohol consumption were found to be important risk factors for pancreatic cancer. Risks increased significantly with number of cigarettes smoked, reaching fourfold for smokers of 25 or more cigarettes per day relative to nonsmokers. Alcohol intake also was related significantly to risk, with consumers of 10 or more drinks per month having three times the risk of nondrinkers, but dose-response trends among drinkers were not smooth. Coffee consumption was unrelated to risk. Dietaryanalyses revealed a rising rate of pancreatic cancer mortality with increasing consumption of meat after adjustment for other risk factors. Men in the highest quartile of meat intake had about three times the risk of those in the lowest quartile. No consistent association, however, was observed for consumption of fruits, vegetables, or grains. This study confirms cigarette smoking as an important risk factor for pancreatic cancer, and provides evidence that elevated intake of alcohol and meat may increase the risk of this fatal malignancy.Drs Zheng (at the time of this study), McLaughlin, Gridley, Silverman, Wacholder, Blot, and Fraumeni Jr. are with the Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, MD, USA. Dr Zheng is currently with the School of Public Health, University of Minnesota, Minneapolis, MN, USA, as is Dr Schuman. Dr Bjelke is with the Center for Epidemiologic Research, University of Bergen, Bergen, Norway. Mr Co-Chien is with Westat, Inc., Rockville, MD, USA. Address correspondence to Dr McLaughlin, Biostatistics Branch, National Cancer Institute, 6130 Executive Blvd., Room 415, Bethesda, MD 20892, USA. 相似文献
3.
Stevens VL McCullough ML Diver WR Rodriguez C Jacobs EJ Thun MJ Calle EE 《Cancer causes & control : CCC》2005,16(6):643-650
Objective: To assess the association between the use of multivitamins and prostate cancer mortality.Methods: A total of 5585 deaths from prostate cancer were identified during 18 years of follow-up of 475,726 men who were cancer-free and provided complete information on multivitamin use at enrollment in the Cancer Prevention Study II (CPS-II) cohort in 1982. Cox proportional hazards modeling was used to measure the association between multivitamin use at baseline and death from prostate cancer and to adjust for potential confounders.Results: The death rate from prostate cancer was marginally higher among men who took multivitamins regularly (≥15 times/month) compared to non-users (multivariate rate ratio=1.07, 95% CI: 0.99–1.15); this risk was statistically significant only for those multivitamin users who used no additional (vitamin A, C, or E) supplements (multivariate rate ratio=1.15, 95% CI: 1.05–1.26). In addition, risk was greatest during the initial four years of follow-up (1982–1986, multivariate rate ratio=1.12, 95 CI: 0.87–1.46).Conclusions: Regular multivitamin use was associated with a small increase in prostate cancer death rates in our study, and this association was limited to a subgroup of users. 相似文献
4.
5.
Eugenia E. Calle Terrell K. Murphy Carmen Rodriguez Michael J. Thun Clark W. Heath Jr. 《Cancer causes & control : CCC》1998,9(4):403-410
Objectives: Diabetes mellitus and pancreatic cancer are known to be associated, but it is not known whether diabetes is a true risk factor, preceding development of the cancer, or if it is an early manifestation of the cancer. To address this uncertainty, we examined the association of pancreatic cancer mortality and reported diabetes of at least one year's duration in a large, prospective study of United States adults. The vast majority of diabetes in this cohort is likely to be non-insulin-dependent diabetes.Methods: After 12 years of follow-up, 2,953 deaths from pancreatic cancer were observed in a cohort of 1,089,586 men and women who were cancer-free at study entry in 1982. Cox proportional hazards models, adjusted for age, race, smoking, family history of pancreatic cancer, body mass index (wt/ht2), and education, were used to assess associations.Results: A history of diabetes was significantly related to pancreatic cancer mortality in both men (rate ratio [RR]=1.49, 95 percent confidence interval [CI]=1.25-1.77) and women (RR=1.51, CI=1.24-1.85). However, the strength of the association varied over the follow-up period. The death rate from pancreatic cancer was twice as high in diabetics as in non-diabetics during the second and third years of follow-up (adjusted RR=2.05, CI=1.56-2.69) but only about 40 percent higher in years nine to 12 (adjusted RR=1.38, CI=1.08-1.77).Conclusions: The small but persistent increased risk of death from pancreatic cancer, seen even when the diagnosis of diabetes preceded death by many years, supports the hypothesis that diabetes may be a true, albeit modest, risk factor for pancreatic cancer. 相似文献
6.
Flavonoid and lignan intake and pancreatic cancer risk in the European prospective investigation into cancer and nutrition cohort
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Esther Molina‐Montes María‐Jos Snchez Raul Zamora‐Ros H.B Bueno‐de‐Mesquita Petra A. Wark Mireia Obon‐Santacana Tilman Kühn Verena Katzke Ruth C. Travis Weimin Ye Malin Sund Alessio Naccarati Amalia Mattiello Vittorio Krogh Caterina Martorana Giovanna Masala Pilar Amiano Jos‐María Huerta Aurelio Barricarte Jos‐Ramn Quirs Elisabete Weiderpass Lene Angell sli Guri Skeie Ulrika Ericson Emily Sonestedt Petra H. Peeters Isabelle Romieu Augustin Scalbert Kim Overvad Matthias Clemens Heiner Boeing Antonia Trichopoulou Eleni Peppa Pavlos Vidalis Kay‐Tee Khaw Nick Wareham Anja Olsen Anne Tjnneland Marie‐Christine Boutroun‐Rualt Franoise Clavel‐Chapelon Amanda J. Cross Yunxia Lu Elio Riboli Eric J. Duell 《International journal of cancer. Journal international du cancer》2016,139(7):1480-1492
Despite the potential cancer preventive effects of flavonoids and lignans, their ability to reduce pancreatic cancer risk has not been demonstrated in epidemiological studies. Our aim was to examine the association between dietary intakes of flavonoids and lignans and pancreatic cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. A total of 865 exocrine pancreatic cancer cases occurred after 11.3 years of follow‐up of 477,309 cohort members. Dietary flavonoid and lignan intake was estimated through validated dietary questionnaires and the US Department of Agriculture (USDA) and Phenol Explorer databases. Hazard ratios (HR) and 95% confidence intervals (CIs) were calculated using age, sex and center‐stratified Cox proportional hazards models, adjusted for energy intake, body mass index (BMI), smoking, alcohol and diabetes status. Our results showed that neither overall dietary intake of flavonoids nor of lignans were associated with pancreatic cancer risk (multivariable‐adjusted HR for a doubling of intake = 1.03, 95% CI: 0.95–1.11 and 1.02; 95% CI: 0.89–1.17, respectively). Statistically significant associations were also not observed by flavonoid subclasses. An inverse association between intake of flavanones and pancreatic cancer risk was apparent, without reaching statistical significance, in microscopically confirmed cases (HR for a doubling of intake = 0.96, 95% CI: 0.91–1.00). In conclusion, we did not observe an association between intake of flavonoids, flavonoid subclasses or lignans and pancreatic cancer risk in the EPIC cohort. 相似文献
7.
Multivitamin use and colon cancer mortality in the Cancer Prevention Study II cohort (United States)
Eric J. Jacobs Cari J. Connell Alpa V. Patel Ann Chao Carmen Rodriguez Jennifer Seymour Marjorie L. McCullough Eugenia E. Calle Michael J. Thun 《Cancer causes & control : CCC》2001,12(10):927-934
Objective: Multivitamins contain several nutrients, including folic acid, which are hypothesized to reduce colon cancer risk. Previous epidemiologic studies have suggested that effects of multivitamins containing substantial amounts of folic acid (introduced in 1973) may not be evident until 15 or more years since first use. Methods: We examined the association between daily multivitamin use and colon cancer mortality among 806,397 US men and women in the Cancer Prevention Study II cohort who completed a questionnaire at enrollment in 1982 and were followed for mortality through 1998. Results: After multivariate adjustment, multivitamin use at enrollment showed little association with colon cancer mortality. After 15 years since first use of a multivitamin potentially containing folic acid, we observed slightly decreased risk of colon cancer mortality (rate ratio (RR) = 0.89, 95% confidence interval (CI) 0.80–0.99). Consistent with previous reports, this association was stronger among participants consuming two or more alcoholic drinks per day (RR = 0.71, 95% CI 0.56–0.91). Conclusion: Our results are consistent with a modest reduction in colon cancer mortality associated with use of folic acid-containing multivitamins among moderate to heavy alcohol users. 相似文献
8.
Eugenia E. Calle Cynthia A. Mervis Phyllis A. Wingo Michael J. Thun Carmen Rodriguez Clark W. Heath Jr. 《Cancer causes & control : CCC》1995,6(5):460-468
Controversy exists over the possible relationship between induced and spontaneous abortion and risk of breast cancer. Thus, the association of fatal breast cancer and spontaneous abortion was examined in a large prospective study of United States adult women. After seven years of follow-up, 1,247 cases of fatal breast cancer were observed among 579,274 women who were cancer-free at interview in 1982 and who provided complete reproductive histories. Results from Cox proportional hazards models, adjusted for other risk factors, showed no association between a history of spontaneous abortion and risk of fatal breast cancer (rate ratio [RR]=0.89, 95 percent confidence interval [CI]=0.78–1.02). The RR did not increase with increasing numbers of abortions. Parous women who had a spontaneous abortion before their first term birth were not at increased risk compared with parous women with no history of spontaneous abortion (RR=0.76, CI=0.54–1.05). Women whose only pregnancy ended in a spontaneous abortion were not at increased risk compared with women who were never pregnant (RR=0.61, CI=0.27–1.38) or whose only pregnancy ended in a livebirth (RR=0.72, CI=0.32–1.65). These findings do not support an association between spontaneous abortion and fatal breast cancer. 相似文献
9.
Physical activity and risk of endometrial cancer in a prospective cohort study (United States) 总被引:2,自引:0,他引:2
Colbert LH Lacey JV Schairer C Albert P Schatzkin A Albanes D 《Cancer causes & control : CCC》2003,14(6):559-567
Objective: To examine the physical activity and endometrial cancer relationship in a prospective study of US women enrolled in the Breast Cancer Detection Demonstration Project (BCDDP) Follow-up Study. Methods: We assessed past-year physical activity of all types in 23,369 women who returned the baseline questionnaire (1987–1989) and had no prior hysterectomy and/or endometrial cancer. Cox proportional hazards models were used to estimate age, education, and parity-adjusted rate ratios (RR) and 95% confidence intervals (CI) for the 253 confirmed endometrial cancer cases identified during an average 8.2 years of follow-up (ending 1995–1998). Results: There were no dose–response relationships with either total or vigorous physical activity; however, compared to the lowest total activity quartile, the higher four quartiles had a non-significantly lower risk (RR = 0.8, CI = 0.6–1.0). The association with moderate activity varied with follow-up time: RRs (CI) for a 1 h increase in daily moderate activity within 2-year intervals of follow-up (2, 2.1–4.9, 5.0–8.0, >8 years) were 1.1 (1.0, 1.2), 1.0 (0.9, 1.1), 1.0 (0.9, 1.1), 1.0 (0.9, 1.1), and 0.8 (0.7, 1.0), respectively. Conclusion: These data suggest that recent physical activity is not strongly related to the risk of endometrial cancer, and that prolonged exposure and longer follow-up may be necessary. 相似文献
10.
Lin Y Kikuchi S Tamakoshi A Yagyu K Obata Y Inaba Y Kurosawa M Kawamura T Motohashi Y Ishibashi T;JACC Study Group 《International journal of cancer. Journal international du cancer》2007,120(12):2665-2671
It is unclear whether body mass index (BMI) and physical activity are associated with the risk of pancreatic cancer in Asian populations. We examined these associations in the Japanese Collaborative Cohort Study for Evaluation of Cancer Risk. Our cohort study included 110,792 Japanese men and women at enrollment (1988-1990). Data on height, body weight (at baseline and at age 20 years) and physical activity were obtained from a questionnaire. Cox proportional hazards models were used to estimate the relative risks of pancreatic cancer mortality. We observed a total of 402 pancreatic cancer deaths during the follow-up period. Men with a BMI of 30 or more at age 20 years had a 3.5-fold greater risk compared with men with a normal BMI. Women with a BMI of 27.5-29.9 at baseline had approximately 60% increased risk compared with women with a BMI of 20.0-22.4. In men, weight loss of 5 kg or more between 20 years of age and baseline age was associated with an increased risk of pancreatic cancer death. In contrast, women with weight loss of 5 kg or more over the same period had a decreased risk. Physical activity was not associated with pancreatic cancer risk in either men or women. Obesity in young adulthood may be associated with an increased risk of death from pancreatic cancer in Japanese men. The risk of pancreatic cancer in relation to BMI seems to differ according to sex and the period over which BMI was measured. 相似文献
11.
Larsson SC Giovannucci E Wolk A 《International journal of cancer. Journal international du cancer》2006,119(9):2186-2189
Few prospective studies have examined the relationship between coffee consumption and risk of stomach cancer, and the findings have been inconsistent. We prospectively investigated the association of long-term coffee consumption with risk of stomach cancer in a population-based cohort study of 61,433 Swedish women. Information on coffee consumption was collected with a food-frequency questionnaire at baseline (1987-1990) and updated in 1997. During a mean follow-up of 15.7 years from 1987 through June 2005, 160 incident cases of stomach cancer were diagnosed. Coffee consumption was positively associated with the risk of stomach cancer. Compared to women who consumed 1 or fewer cups of coffee per day, the multivariate hazard ratios were 1.49 (95% = 0.97-2.27) for women who drank 2-3 cups per day and 1.86 (95% CI = 1.07-3.25) for those who drank 4 or more cups per day (p for trend = 0.01). An increase of 1 cup of coffee per day was associated with a statistically significant 22% increased risk of stomach cancer (hazard ratio = 1.22; 95% CI = 1.05-1.42). These prospective data suggest that coffee consumption may increase the risk of stomach cancer in a dose-response manner. This finding needs to be confirmed in other prospective studies. 相似文献
12.
Molina-Montes E Wark PA Sánchez MJ Norat T Jakszyn P Luján-Barroso L Michaud DS Crowe F Allen N Khaw KT Wareham N Trichopoulou A Adarakis G Katarachia H Skeie G Henningsen M Broderstad AR Berrino F Tumino R Palli D Mattiello A Vineis P Amiano P Barricarte A Huerta JM Duell EJ Quirós JR Ye W Sund M Lindkvist B Johansen D Overvad K Tjønneland A Roswall N Li K Grote VA Steffen A Boeing H Racine A Boutron-Ruault MC Carbonnel F Peeters PH Siersema PD Fedirko V Jenab M Riboli E Bueno-de-Mesquita B 《International journal of cancer. Journal international du cancer》2012,131(7):E1134-E1147
Several studies support a protective effect of dietary magnesium against type 2 diabetes, but a harmful effect for iron. As diabetes has been linked to pancreatic cancer, intake of these nutrients may be also associated with this cancer. We examined the association between dietary intake of magnesium, total iron and heme-iron and pancreatic cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. In total, 142,203 men and 334,999 women, recruited between 1992 and 2000, were included. After an average follow-up of 11.3 years, 396 men and 469 women developed exocrine pancreatic cancer. Hazard ratios and 95% confidence intervals (CIs) were obtained using Cox regression stratified by age and center, and adjusted for energy intake, smoking status, height, weight, and self-reported diabetes status. Neither intake of magnesium, total iron nor heme-iron was associated with pancreatic cancer risk. In stratified analyses, a borderline inverse association was observed among overweight men (body mass index, ≥ 25 kg/m(2) ) with magnesium (HR(per 100 mg/day increase) = 0.79, 95% CI = 0.63-1.01) although this was less apparent using calibrated intake. In female smokers, a higher intake of heme-iron was associated with a higher pancreatic cancer risk (HR (per 1 mg/day increase) = 1.38, 95% CI = 1.10-1.74). After calibration, this risk increased significantly to 2.5-fold (95% CI = 1.22-5.28). Overall, dietary magnesium, total iron and heme-iron were not associated with pancreatic cancer risk during the follow-up period. Our observation that heme-iron was associated with increased pancreatic cancer risk in female smokers warrants replication in additional study populations. 相似文献
13.
Freedman ND Park Y Subar AF Hollenbeck AR Leitzmann MF Schatzkin A Abnet CC 《International journal of cancer. Journal international du cancer》2008,122(10):2330-2336
Squamous head and neck cancers include cancers of the oral cavity, pharynx and larynx are the sixth leading cause of cancer mortality worldwide, resulting in more than 350,000 deaths annually. Intake of fruit and vegetables may protect against head and neck cancer incidence, although few prospective studies have examined this association. We investigated this relation in 490,802 United States participants of the NIH-AARP Diet and Health cohort using Cox proportional hazard models adjusted for potential confounders. During 2,193,751 person years of follow-up from 1995/1996-2000, 787 participants were diagnosed with head and neck cancer. We found an inverse association between total fruit and vegetable intake and head and neck cancer risk (per serving/day/1,000 calories, Hazard Ratio, 95% Confidence interval: 0.94, 0.89-0.99). In models mutually adjusted for fruit and vegetable intake, the association was stronger for vegetables (fifth vs. first quintile: 0.65, 0.50-0.85) than for fruits (fifth vs. first quintile: 0.87, 0.68-1.11). When further subclassified into botanical groups, those in the highest tertile of leguminosae (dried beans, string beans and peas, 0.80, 0.67-0.96), rosaceae (apples, peach, nectarines, plums, pears and strawberries, 0.60, 0.49-0.73), solanaceae (peppers and tomatoes, 0.82, 0.69-0.98) and umbelliferae (carrots, 0.73, 0.60-0.89) had decreased risk of head and neck cancer, but no significant associations were seen for 9 other botanical groups. Results from this large prospective observational study are consistent with previous case-control studies and support the hypothesis that total fruit and vegetable intake is associated with reduced risk of head and neck cancer. 相似文献
14.
Estrogen replacement therapy and risk of fatal breast cancer in a prospective cohort of postmenopausal women in the United States 总被引:9,自引:0,他引:9
Dawn B. Willis Eugenia E. Calle Heidi L. Miracle-McMahill Clark W. Heath Jr. 《Cancer causes & control : CCC》1996,7(4):449-457
This study examines the relationship between fatal breast cancer and use of estrogen replacement therapy (ERT) among women in a large prospective study in the United States. After nine years of follow-up, 1,469 breast cancer deaths were observedin a cohort of 422,373 postmenopausal women who were cancer free at study entry and who supplied information on estrogen use. Results from Cox proportional hazards modeling, adjusted for 11 other potential risk factors, showed that ever-use of ERT was associated with a significantly decreased risk of fatal breast cancer (rate ratio [RR]=0.84,95 percent confidence interval [CI]=0.75–0.94). There was a moderate trend (P=0.07) of decreasing risk with younger age at first use of ERT. This decreased risk was most pronounced in women who experienced natural menopause before the age of 40 years (RR=0.59, CI=0.40–0.87). There was no discernible trend of increasing risk with duration of use in estrogen users at baseline or former users, nor was there any trend in years since last use in former users. The relationship between ERT and breast cancer mortality differed by age at menarche and by a self-reported history of breast cysts. No increased risk of fatal breast cancer with ERT was observed with estrogen use status (baseline/former), age at first use, duration of use, or years since last use. These findings suggest that ever-use of ERT is associated with a 16 percent decreased risk of fatal breast cancer. 相似文献
15.
A prospective study of dietary patterns and cancer mortality among Blacks and Whites in the REGARDS cohort
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Tomi Akinyemiju Justin Xavier Moore Maria Pisu Susan G. Lakoski James Shikany Michael Goodman Suzanne E. Judd 《International journal of cancer. Journal international du cancer》2016,139(10):2221-2231
Marked racial differences exist in dietary patterns and obesity, as well as cancer mortality. This study aims to assess whether dietary patterns are associated with cancer mortality overall and by race. We identified 22,041 participants from the REasons for Geographic and Racial Differences in Stroke (REGARDS) cohort. Dietary patterns were categorized into: Convenience (Chinese and Mexican foods, pasta, pizza), Plant‐based (fruits, vegetables), Southern (added fats, fried foods, sugar‐sweetened beverages), Sweets/Fats (sugary foods) and Alcohol/Salads (alcohol, green‐leafy vegetables, salad dressing). Using Cox regression, we examined the association between quartiles of dietary patterns and cancer mortality, adjusted for potential confounders, overall among all participants and stratified by race. A total of 873 cancer deaths were observed over the 10‐year observation period: 582 (66.7%) in Whites and 291 (33.3%) in Blacks. Greater adherence to the Southern dietary pattern was associated with an increased risk of cancer mortality (4th vs. 1st quartile HR: 1.67; 95% CI: 1.32–2.10) overall, especially among Whites (4th vs. 1st quartile HR: 1.59; 95% CI: 1.22–2.08). The convenience (HR: 0.73; 95% CI: 0.56–0.94) and Plant‐based (HR: 0.72; 95% CI: 0.55–0.93) dietary patterns were associated with up to a 28% reduced risk of cancer mortality, but only among Whites. Greater adherence to the Southern dietary pattern increased the risk of cancer mortality, while greater adherence to the convenience and Plant‐based diets reduced the risk of cancer mortality among Whites. Racial differences were observed in the association between dietary patterns and cancer mortality, but warrant further study. 相似文献
16.
Dietary catechins and cancer incidence among postmenopausal women: the Iowa Women's Health Study (United States) 总被引:2,自引:0,他引:2
Objective: Catechins are bioactive flavonoids present in tea, fruits, and vegetables. Previous epidemiological studies regarding tea and cancer risk were inconclusive, possibly because catechins are also present in other plant foods. We investigated whether a high intake of catechins are associated with cancer incidence among postmenopausal women. Methods: A cohort of 34,651 postmenopausal cancer-free women aged 55–69 years were followed from 1986 to 1998. At baseline, data on diet, medical history, and lifestyle were collected. Incident cancers were obtained through linkage with a cancer registry. Cox proportional hazards analysis was used to estimate risk ratios. Results: After adjustment for potential confounders, catechin intake was inversely associated with rectal cancer incidence only (risk ratios from lowest to highest quartile: 1.00, 0.93, 0.73, and 0.55; p for trend 0.02). Non-significant inverse trends were found for cancer of the upper digestive tract, pancreas, and for hematopoietic cancers. Catechins derived primarily from fruits, (+)-catechin and (–)-epicatechin, tended to be inversely associated with upper digestive tract cancer, whereas catechins derived from tea were inversely associated with rectal cancer. Conclusions: Among several cancers studied, our data suggest that catechin intake may protect against rectal cancer. The distinct effects found for catechins derived from solid foods (fruits) and beverages (tea) may be due to differences in bioavailability or metabolism of the catechins, or to their interactions with other dietary components. 相似文献
17.
Objective To critically evaluate recent studies that examined determinants of CRC screening behaviors among average-risk older adults
(≥50 years) in the United States.
Methods A PUBMED (1996–2006) search was conducted to identify recent articles that focused on predictors of CRC initiation and adherence
to screening guidelines among average-risk older adults in the United States.
Results Frequently reported predictors of CRC screening behaviors include older age, male gender, marriage, higher education, higher
income, White race, non-Hispanic ethnicity, smoking history, presence of chronic diseases, family history of CRC, usual source
of care, physician recommendation, utilization of other preventive health services, and health insurance coverage. Psychosocial
predictors of CRC screening adherence are mostly constructs from the Health Belief Model, the most prominent of which are
perceived barriers to CRC screening.
Conclusions Evidence suggests that CRC screening is a complex behavior with multiple influences including personal characteristics, health
insurance coverage, and physician–patient communication. Health promotion activities should target both patients and physicians,
while focusing on increasing awareness of and accessibility to CRC screening tests among average-risk older adults in the
United States. 相似文献
18.
Lin Y Tamakoshi A Kawamura T Inaba Y Kikuchi S Motohashi Y Kurosawa M;JACC Study Group. Japan Collaborative Cohort 《Cancer causes & control : CCC》2002,13(3):249-254
Objective: To examine the association of cigarette smoking with the risk of death from pancreatic cancer in a prospective cohort study. Methods: A total of 110,792 inhabitants, aged 40–79 years (46,465 men and 64,327 women), were enrolled from 1988 to 1990 and followed up for mortality to the end of 1997. At baseline a self-administered questionnaire was used to obtain information on cigarette smoking and other lifestyle factors. Results: During the follow-up period (mean ± SD: 8.1 ± 1.8 years), 225 deaths due to pancreatic cancer were identified. After adjustment for age, body mass index, history of diabetes mellitus, and gallbladder diseases, the relative risks (RRs) for current smokers were 1.6 (95% CI 0.95–2.6) in males, and 1.7 (95% CI: 0.84–3.3) in females. Men who smoked more than 40 cigarettes per day had a substantially higher risk of pancreatic cancer, with a RR of 3.3 (95% CI: 1.4–8.1). A significantly decreasing trend in risk with increasing years after smoking cessation was observed (trend p = 0.04) among male ex-smokers. The RRs were 0.85 (95% CI 0.36–2.0) and 0.85 (0.36–2.0) for those who had quit smoking for 10–19 and 20 years, respectively. Conclusions: Our cohort study confirmed that cigarette smoking was associated with an increased risk of death from pancreatic cancer. 相似文献
19.
Grote VA Rohrmann S Dossus L Nieters A Halkjaer J Tjønneland A Overvad K Stegger J Chabbert-Buffet N Boutron-Ruault MC Clavel-Chapelon F Teucher B Becker S Montonen J Boeing H Trichopoulou A Lagiou P Trichopoulos D Palli D Sieri S Tumino R Vineis P Mattiello A Argüelles M Duell EJ Molina-Montes E Larrañaga N Chirlaque MD Gurrea AB Jeurnink SM Peeters PH Ye W Sund M Lindkvist B Johansen D Khaw KT Wareham N Crowe FL Romieu I Rinaldi S Jenab M Romaguera D Michaud DS Riboli E 《International journal of cancer. Journal international du cancer》2012,130(10):2428-2437
Excess body weight and type 2 diabetes mellitus, risk factors of pancreatic cancer, are characterized by decreased levels of adiponectin. In addition to anti-inflammatory and anti-proliferative actions, adiponectin has an important role in regulating glucose metabolism, i.e., decreasing circulating blood glucose levels. Prospectively, hyperglycemia has been associated with risk of pancreatic cancer. The aim of this study was to investigate the association of pre-diagnostic adiponectin levels with pancreatic cancer risk. We conducted a case-control study nested within European Prospective Investigation into Cancer and Nutrition. Blood samples of 452 pancreatic cancer cases and 452 individually matched controls were analyzed by immunoassays. Multivariate conditional logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (CI). Overall, adiponectin showed no association with pancreas cancer risk; however, among never smokers, higher circulating levels of adiponectin were associated with a reduction in pancreatic cancer risk (OR = 0.44 [95% CI 0.23-0.82] for highest vs. lowest quartile), whereas among current smokers there was no significant association (OR = 1.59 [95% CI 0.67-3.76] for highest vs. lowest quartile; p-trend = 0.530; p-interaction = 0.309). In our study, lower adiponectin concentrations may be associated with the development of pancreatic cancer among never smokers, whereas the only other prospective study being conducted so far showed a decrease in risk among male smokers. Therefore, further studies are needed to clarify the role of adiponectin in pancreatic cancer development. 相似文献
20.
Maya Schulpen Petra H. Peeters Piet A. van den Brandt 《International journal of cancer. Journal international du cancer》2019,144(7):1550-1560
3w?>Studies investigating the association of Mediterranean diet (MD) adherence with pancreatic cancer risk are limited and had inconsistent results. We examined the association between MD adherence and pancreatic cancer incidence by pooling data from the Netherlands Cohort Study (NLCS, 120,852 subjects) and the Dutch cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC-NL, 40,011 subjects). MD adherence was assessed using alternate and modified Mediterranean diet scores (aMED and mMED, respectively), including and excluding alcohol. After median follow-ups of 20.3 (NLCS) and 19.2 (EPIC-NL) years, 449 microscopically confirmed pancreatic cancer (MCPC) cases were included in study-specific multivariable Cox models. Study-specific estimates were pooled using a random-effects model. MD adherence was not significantly associated with MCPC risk in pooled and study-specific analyses, regardless of sex and MD score. Pooled hazard ratios (95% confidence interval) for high (6–8) compared to low (0–3) values of mMED excluding alcohol were 0.66 (0.40–1.10) in men and 0.94 (0.63–1.40) in women. In never smokers, mMED excluding alcohol seemed to be inversely associated with MCPC risk (nonsignificant). However, no association was observed in ever smokers (pheterogeneity = 0.03). Hazard ratios were consistent across strata of other potential effect modifiers. Considering MD scores excluding alcohol, mMED-containing models generally fitted better than aMED-containing models, particularly in men. Although associations somewhat differed when all pancreatic cancers were considered instead of MCPC, the overall conclusion was similar. In conclusion, MD adherence was not associated with pancreatic cancer risk in a pooled analysis of two Dutch cohorts. 相似文献