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Fulltext A nutrient-wide association study for risk of prostate cancer in the European Prospective Investigation into Cancer and Nutrition and the Netherlands Cohort Study

Papadimitriou N, Muller D, van den Brandt PA, Geybels M, Patel CJ, Gunter MJ, et al.

Eur J Nutr, 2020 Oct;59(7):2929-2937.
PMID: 31705265 DOI: 10.1007/s00394-019-02132-z

PURPOSE: The evidence from the literature regarding the association of dietary factors and risk of prostate cancer is inconclusive.
METHODS: A nutrient-wide association study was conducted to systematically and comprehensively evaluate the associations between 92 foods or nutrients and risk of prostate cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC). Cox proportional hazard regression models adjusted for total energy intake, smoking status, body mass index, physical activity, diabetes and education were used to estimate hazard ratios and 95% confidence intervals for standardized dietary intakes. As in genome-wide association studies, correction for multiple comparisons was applied using the false discovery rate (FDR
Fulltext Main nutrient patterns and colorectal cancer risk in the European Prospective Investigation into Cancer and Nutrition study

Moskal A, Freisling H, Byrnes G, Assi N, Fahey MT, Jenab M, et al.

Br J Cancer, 2016 Nov 22;115(11):1430-1440.
PMID: 27764841 DOI: 10.1038/bjc.2016.334

BACKGROUND: Much of the current literature on diet-colorectal cancer (CRC) associations focused on studies of single foods/nutrients, whereas less is known about nutrient patterns. We investigated the association between major nutrient patterns and CRC risk in participants of the European Prospective Investigation into Cancer and Nutrition (EPIC) study.
METHODS: Among 477 312 participants, intakes of 23 nutrients were estimated from validated dietary questionnaires. Using results from a previous principal component (PC) analysis, four major nutrient patterns were identified. Hazard ratios (HRs) and 95% confidence intervals (CIs) were computed for the association of each of the four patterns and CRC incidence using multivariate Cox proportional hazards models with adjustment for established CRC risk factors.
RESULTS: During an average of 11 years of follow-up, 4517 incident cases of CRC were documented. A nutrient pattern characterised by high intakes of vitamins and minerals was inversely associated with CRC (HR per 1 s.d.=0.94, 95% CI: 0.92-0.98) as was a pattern characterised by total protein, riboflavin, phosphorus and calcium (HR (1 s.d.)=0.96, 95% CI: 0.93-0.99). The remaining two patterns were not significantly associated with CRC risk.
CONCLUSIONS: Analysing nutrient patterns may improve our understanding of how groups of nutrients relate to CRC.
Fulltext Genome-wide association study of prostate cancer-specific survival

Szulkin R, Karlsson R, Whitington T, Aly M, Gronberg H, Eeles RA, et al.

Cancer Epidemiol Biomarkers Prev, 2015 Nov;24(11):1796-800.
PMID: 26307654 DOI: 10.1158/1055-9965.EPI-15-0543

BACKGROUND: Unnecessary intervention and overtreatment of indolent disease are common challenges in clinical management of prostate cancer. Improved tools to distinguish lethal from indolent disease are critical.
METHODS: We performed a genome-wide survival analysis of cause-specific death in 24,023 prostate cancer patients (3,513 disease-specific deaths) from the PRACTICAL and BPC3 consortia. Top findings were assessed for replication in a Norwegian cohort (CONOR).
RESULTS: We observed no significant association between genetic variants and prostate cancer survival.
CONCLUSIONS: Common genetic variants with large impact on prostate cancer survival were not observed in this study.
IMPACT: Future studies should be designed for identification of rare variants with large effect sizes or common variants with small effect sizes.

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