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Plasma alkylresorcinols, biomarkers of whole-grain wheat and rye intake, and incidence of colorectal cancer

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Item Type:Article
Title:Plasma alkylresorcinols, biomarkers of whole-grain wheat and rye intake, and incidence of colorectal cancer
Creators Name:Kyrø, C, Olsen, A, Landberg, R, Skeie, G, Loft, S, Åman, P, Leenders, M, Dik, VK, Siersema, PD, Pischon, T., Christensen, J, Overvad, K, Boutron-Ruault, MC, Fagherazzi, G, Cottet, V, Kühn, T, Chang-Claude, J, Boeing, H, Trichopoulou, A, Bamia, C, Trichopoulos, D, Palli, D, Krogh, V, Tumino, R, Vineis, P, Panico, S, Peeters, PH, Weiderpass, E, Bakken, T, Åsli, LA, Argüelles, M, Jakszyn, P, Sánchez, MJ, Amiano, P, Huerta, JM, Barricarte, A, Ljuslinder, I, Palmqvist, R, Khaw, KT, Wareham, N, Key, TJ, Travis, RC, Ferrari, P, Freisling, H, Jenab, M, Gunter, MJ, Murphy, N, Riboli, E, Tjønneland, A and Bueno-de-Mesquita, HB
Abstract:BACKGROUND: Few studies have investigated the association between whole-grain intake and colorectal cancer. Because whole-grain intake estimation might be prone to measurement errors, more objective measures (eg, biomarkers) could assist in investigating such associations. METHODS: The association between alkylresorcinols, biomarkers of whole-grain rye and wheat intake, and colorectal cancer incidence were investigated using prediagnostic plasma samples from colorectal cancer case patients and matched control subjects nested within the European Prospective Investigation into Cancer and Nutrition. We included 1372 incident colorectal cancer case patients and 1372 individual matched control subjects and calculated the incidence rate ratios (IRRs) for overall and anatomical subsites of colorectal cancer using conditional logistic regression adjusted for potential confounders. Regional differences (Scandinavia, the Mediterranean, Central Europe) were also explored. RESULTS: High plasma total alkylresorcinol concentration was associated with lower incidence of distal colon cancer; the adjusted incidence rate ratio of distal colon cancer for the highest vs lowest quartile of plasma total alkylresorcinols was 0.48 (95% confidence interval [CI] = 0.28 to 0.83). An inverse association between plasma total alkylresorcinol concentrations and colon cancer was found for Scandinavian participants (IRR per doubling = 0.83; 95% CI = 0.70 to 0.98). However, plasma total alkylresorcinol concentrations were not associated with overall colorectal cancer, proximal colon cancer, or rectal cancer. Plasma alkylresorcinols concentrations were associated with colon and distal colon cancer only in Central Europe and Scandinavia (ie, areas where alkylresorcinol levels were higher). CONCLUSIONS: High concentrations of plasma alkylresorcinols were associated with a lower incidence of distal colon cancer but not with overall colorectal cancer, proximal colon cancer, and rectal cancer.
Keywords:Biological Markers, Body Mass Index, Case-Control Studies, Colorectal Neoplasms, Europe, Food Habits, Incidence, Logistic Models, Mediterranean Region, Odds Ratio, Resorcinols, Risk Factors, Scandinavia, Secale cereale, Triticum
Source:Journal of the National Cancer Institute
Publisher:Oxford University Press
Page Range:djt352
Date:1 January 2014
Official Publication:https://doi.org/10.1093/jnci/djt352
PubMed:View item in PubMed

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