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Inflammatory F2-isoprostane, prostaglandin F2α, pentraxin 3 levels and breast cancer risk: The Swedish Mammography Cohort
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Oxidative Stress and Inflammation.
Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, .
Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, .
Chaire d'Excellence Program, Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, CRNH-Auvergne, INRA-UDA, Clermont-Ferrand, France;.
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2016 (English)In: Prostaglandins, Leukotrienes and Essential Fatty Acids, ISSN 0952-3278, E-ISSN 1532-2823, Vol. 113, 28-32 p.Article in journal (Refereed) Published
Abstract [en]

INTRODUCTION: Breast cancer is a common cancer among women. Identifying cellular participation of F2-isoprostane, prostaglandin F2α (PGF2α) and pentraxin 3 (PTX3) in cancer we evaluated whether their prediagnostic systemic levels that originate from different inflammatory pathways were associated with breast cancer risk.

METHODS: Seventy-eight breast cancer cases diagnosed after blood collection and 797 controls from the Swedish Mammography Cohort were analysed for urinary F2-isoprostane, PGF2α and plasma PTX3 levels.

RESULTS: None of the biomarkers investigated were significantly associated with breast cancer risk. However, there was the suggestion of an inverse association with PTX3 with multivariable adjusted ORs (95% CI) of 0.56 (95% CI=0.29-1.06) and 0.67 (95% CI=0.35-1.28) for the second and third tertiles, respectively (ptrend=0.20). No associations were observed between F2-isoprostane (OR=0.87; 95% CI=0.48-1.57; ptrend=0.67) and PGF2α metabolite (OR=1.03; 95% CI=0.56-1.88; ptrend=0.91) comparing the top to bottom tertiles.

CONCLUSIONS: The systemic levels of F2-isoprostane, PGF2α and PTX3 witnessed in women who later developed breast cancer may not provide prognostic information regarding tumor development in spite of their known involvement in situ cellular context. These observations may indicate that other mechanisms exist in controlling cellular formation of F2-isoprostane, PGF2α and PTX3 and their systemic availability in breast cancer patients.

Place, publisher, year, edition, pages
2016. Vol. 113, 28-32 p.
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Public Health, Global Health, Social Medicine and Epidemiology
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URN: urn:nbn:se:uu:diva-305834DOI: 10.1016/j.plefa.2016.08.005PubMedID: 27720037OAI: oai:DiVA.org:uu-305834DiVA: diva2:1039271
Available from: 2016-10-22 Created: 2016-10-22 Last updated: 2016-10-28Bibliographically approved

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Basu, SamarLarsson, Anders
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Oxidative Stress and InflammationBiochemial structure and function
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