Publication:
Bisphenol-A exposure and risk of breast and prostate cancer in the Spanish European Prospective Investigation into Cancer and Nutrition study

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Date

2021-08-16

Authors

Salamanca-Fernández, Elena
Rodríguez-Barranco, Miguel
Amiano, Pilar
Delfrade, Josu
Chirlaque, Maria Dolores
Colorado, Sandra
Guevara, Marcela
Jimenez, Ana
Arrebola, Juan Pedro
Vela, Fernando

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BioMed Central, Springer Nature
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Abstract

Background Bisphenol A (BPA) is an endocrine disruptor that it is present in numerous products of daily use. The aim of this study was to assess the potential association of serum BPA concentrations and the risk of incident breast and prostate cancer in a sub-cohort of the Spanish European Prospective Investigation into Cancer and Nutrition (EPIC). Methods We designed a case-cohort study within the EPIC-Spain cohort. Study population consisted on 4812 participants from 4 EPIC-Spain centers (547 breast cancer cases, 575 prostate cancer cases and 3690 sub-cohort participants). BPA exposure was assessed by means of chemical analyses of serum samples collected at recruitment. Borgan II weighted Cox regression was used to estimate hazard ratios. Results Median follow-up time in our study was 16.9 years. BPA geometric mean serum values of cases and sub-cohort were 1.12 ng/ml vs 1.10 ng/ml respectively for breast cancer and 1.33 ng/ml vs 1.29 ng/ml respectively for prostate cancer. When categorizing BPA into tertiles, a 40% increase in risk of prostate cancer for tertile 1 (p = 0.022), 37% increase for tertile 2 (p = 0.034) and 31% increase for tertile 3 (p = 0.072) was observed with respect to values bellow the limit of detection. No significant association was observed between BPA levels and breast cancer risk. Conclusions We found a similar percentage of detection of BPA among cases and sub-cohort from our population, and no association with breast cancer risk was observed. However, we found a higher risk of prostate cancer for the increase in serum BPA levels. Further investigation is needed to understand the influence of BPA in prostate cancer risk.

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Medical Subject Headings::Persons::Persons::Age Groups::Adult
Medical Subject Headings::Persons::Persons::Age Groups::Adult::Aged
Medical Subject Headings::Chemicals and Drugs::Organic Chemicals::Hydrocarbons::Hydrocarbons, Cyclic::Hydrocarbons, Aromatic::Benzene Derivatives::Benzhydryl Compounds
Medical Subject Headings::Diseases::Neoplasms::Neoplasms by Site::Breast Neoplasms
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Epidemiologic Study Characteristics as Topic::Epidemiologic Studies::Cohort Studies
Medical Subject Headings::Chemicals and Drugs::Chemical Actions and Uses::Pharmacologic Actions::Physiological Effects of Drugs::Endocrine Disruptors
Medical Subject Headings::Health Care::Environment and Public Health::Public Health::Environmental Pollution::Environmental Exposure
Medical Subject Headings::Chemicals and Drugs::Chemical Actions and Uses::Toxic Actions::Environmental Pollutants
Medical Subject Headings::Check Tags::Female
Medical Subject Headings::Organisms::Eukaryota::Animals::Chordata::Vertebrates::Mammals::Primates::Haplorhini::Catarrhini::Hominidae::Humans
Medical Subject Headings::Check Tags::Male
Medical Subject Headings::Persons::Persons::Age Groups::Adult::Middle Aged
Medical Subject Headings::Chemicals and Drugs::Organic Chemicals::Hydrocarbons::Hydrocarbons, Cyclic::Hydrocarbons, Aromatic::Benzene Derivatives::Phenols
Medical Subject Headings::Diseases::Male Urogenital Diseases::Urogenital Neoplasms::Genital Neoplasms, Male::Prostatic Neoplasms
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Statistics as Topic::Probability::Risk
Medical Subject Headings::Geographical Locations::Geographic Locations::Europe::Spain
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Epidemiologic Study Characteristics as Topic::Epidemiologic Studies::Cohort Studies::Longitudinal Studies::Prospective Studies
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Epidemiologic Study Characteristics as Topic::Epidemiologic Studies::Cohort Studies::Longitudinal Studies::Follow-Up Studies
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Statistics as Topic::Sensitivity and Specificity::Limit of Detection
Medical Subject Headings::Chemicals and Drugs::Organic Chemicals::Carboxylic Acids::Acids, Acyclic::Acrylates::Methacrylates::Bisphenol A-Glycidyl Methacrylate

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Keywords

Breast cancer, Prostate cancer, Case-cohort, Bisphenol a, Environmental pollutants, Endocrine disruptors, Neoplasias de la mama, Neoplasias de la próstata, Estudios de cohortes, Bisfenol A glicidil metacrilato, Contaminantes ambientales, Disruptores endocrinos

Citation

Salamanca-Fernández E, Rodríguez-Barranco M, Amiano P, Delfrade J, Chirlaque MD, Colorado S, et al. Bisphenol-A exposure and risk of breast and prostate cancer in the Spanish European Prospective Investigation into Cancer and Nutrition study. Environ Health. 2021 Aug 16;20(1):88