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Cancer Epidemiology, Biomarkers & Prevention
Cancer Epidemiology, Biomarkers & Prevention
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Research Articles

A Prospective Study of Trans-Fatty Acid Levels in Blood and Risk of Prostate Cancer

Jorge E. Chavarro, Meir J. Stampfer, Hannia Campos, Tobias Kurth, Walter C. Willett and Jing Ma
Jorge E. Chavarro
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Meir J. Stampfer
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Hannia Campos
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Tobias Kurth
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Walter C. Willett
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Jing Ma
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DOI: 10.1158/1055-9965.EPI-07-0673 Published January 2008
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Abstract

Background: Previous studies suggest a positive association between markers of trans-fatty acid intake and prostate cancer. We therefore prospectively evaluated the association between blood trans-fatty acid levels and risk of prostate cancer.

Methods: We conducted a nested case-control study among 14,916 apparently healthy men who provided blood samples in 1982. Blood fatty acid levels were determined for 476 men diagnosed with prostate cancer during a 13-year follow-up and their matched controls. Controls were individually matched to cases according to age and smoking status at baseline. Conditional logistic regression was used to estimate the relative risk and 95% confidence interval of total, nonaggressive (stage A/B and low grade), and aggressive (stage C/D, high grade, subsequent distant metastasis or death) prostate cancer associated with blood levels of specific trans-fatty acids.

Results: Blood levels of all the trans-fatty acids examined were unrelated to total prostate cancer risk. When results were divided according to tumor aggressiveness, blood levels of 18:1n-9t, all the 18:2t examined, and total trans-fatty acids were positively associated to nonaggressive tumors. The relative risks (95% confidence intervals; P trend) comparing top with bottom quintile trans-fatty acid levels were 2.16 (1.12-4.17; 0.11) for 18:1n-9t, 1.97 (1.03-3.75; 0.01) for total 18:2t, and 2.21 (1.14-4.29; 0.06) for total trans-fatty acids. None of the trans fats examined was associated with aggressive prostate tumors.

Conclusion: Blood levels of trans isomers of oleic and linoleic acids are associated with an increased risk of nonaggressive prostate tumors. As this type of tumors represents a large proportion of prostate cancer detected using prostate-specific antigen screening, these findings may have implications for the prevention of prostate cancer. (Cancer Epidemiol Biomarkers Prev 2008;17(1):95–101)

  • fatty acids
  • biomarkers
  • epidemiology
  • genitourinary cancers: prostate
  • diet and cancer

Footnotes

  • Grant support: Research grants CA42182, CA58684, CA90598, CA34944, CA40360, HL26490, and HL34595; training grant T32 DK-007703; and Yerby Postdoctoral Fellowship Program.

  • The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore be hereby marked advertisement in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.

    • Accepted November 2, 2007.
    • Received July 25, 2007.
    • Revision received October 25, 2007.
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Cancer Epidemiology Biomarkers & Prevention: 17 (1)
January 2008
Volume 17, Issue 1
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A Prospective Study of Trans-Fatty Acid Levels in Blood and Risk of Prostate Cancer
Jorge E. Chavarro, Meir J. Stampfer, Hannia Campos, Tobias Kurth, Walter C. Willett and Jing Ma
Cancer Epidemiol Biomarkers Prev January 1 2008 (17) (1) 95-101; DOI: 10.1158/1055-9965.EPI-07-0673

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A Prospective Study of Trans-Fatty Acid Levels in Blood and Risk of Prostate Cancer
Jorge E. Chavarro, Meir J. Stampfer, Hannia Campos, Tobias Kurth, Walter C. Willett and Jing Ma
Cancer Epidemiol Biomarkers Prev January 1 2008 (17) (1) 95-101; DOI: 10.1158/1055-9965.EPI-07-0673
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