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Antioxidant and pro-oxidant dietary consumption patterns and their association with prostate cancer: a case–control study from Mexico City

Published online by Cambridge University Press:  03 September 2025

Angélica Martínez-Alonso
Affiliation:
Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, 62100 Cuernavaca, Morelos, Mexico Escuela de Salud Pública de México, Instituto Nacional de Salud Pública, Av. Universidad 655, 62100 Cuernavaca, Morelos, Mexico
Jesús Gibran Hernández-Pérez
Affiliation:
Escuela de Salud Pública de México, Instituto Nacional de Salud Pública, Av. Universidad 655, 62100 Cuernavaca, Morelos, Mexico Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, 62100, Mexico
Marcia Galván-Portillo
Affiliation:
Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, 62100, Mexico
Francisco Rodríguez-Covarrubias
Affiliation:
Departamento de Urología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
Sonia Concepción Rodríguez-Ramírez
Affiliation:
Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, 62100 Cuernavaca, Morelos, Mexico
Luisa Torres-Sánchez*
Affiliation:
Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, 62100, Mexico
*
Corresponding author: Luisa Torres-Sánchez; Email: ltorress@insp.mx

Abstract

To assess the association between dietary consumption patterns of antioxidant and pro-oxidant nutrients with prostate cancer (PC) and its histological differentiation, we analysed data from 394 histologically confirmed incident cases of PC and 793 age-matched population controls (±5 years), residents of Mexico City. Cases were classified by Gleason score into well-differentiated, moderately differentiated and poorly differentiated categories. Dietary nutrient intake over the 3 years preceding diagnosis for cases and before the interview for controls was estimated using a semi-quantitative FFQ. Using energy-adjusted residuals and a k-means approach, we identified three consumption patterns: (1) pro-oxidant, (2) moderate antioxidants/low pro-oxidants and (3) high antioxidants and pro-oxidants. Associations were evaluated using independent unconditional logistic regression models; stratified models were analysed based on smoking status. Although proportions differed, the main food contributors to the moderate antioxidants/low pro-oxidants and high antioxidants and pro-oxidants patterns included green vegetables, maize tortillas, seeds and fruits. Compared with the pro-oxidant pattern, the moderate antioxidants/low pro-oxidants (OR: 0·71; 95 % CI 0·53, 0·97) and high antioxidants and pro-oxidants (OR: 0·70; 95 % CI 0·50, 0·99) patterns were associated with lower odds of having PC. These associations were mainly observed with well-differentiated PC and among ever-smokers. Diets with a higher antioxidant content were associated with a reduced likelihood of PC. Further validation of these findings through prospective studies is needed.

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Type
Research Article
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of the Nutrition Society

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