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Abstract Title:

Serum persistent organic pollutants (POPs) and prostate cancer risk: A case-cohort study.

Abstract Source:

Int J Hyg Environ Health. 2017 Apr 10. Epub 2017 Apr 10. PMID: 28420543

Abstract Author(s):

Jung-Eun Lim, Chungmo Nam, Jiyeon Yang, Koon Ho Rha, Kyung-Min Lim, Sun Ha Jee

Article Affiliation:

Jung-Eun Lim

Abstract:

It is still unclear whether persistent organic pollutants (POPs) exposure increases the prostate cancer incidence risk. This prospective cohort study evaluated the associations between serum POPs concentrations and prostate cancer risk. Within a case-cohort study, we identified 110 people diagnosed with prostate cancer and randomly selected 256 sub-cohort participants without prostate cancer. Serum concentrations of 32 polychlorinated biphenyl (PCB) congeners and 19 organochlorine pesticides (OCPs) were measured. The hazard ratios (HRs) and 95% confidence interval (95% CI) for determining the associations between POPs and risk of prostate cancer were estimated using the weighted Cox regression model. Compared to the lowest tertile, increased risks of prostate cancer incidence were observed in the upper tertile of following PCBs: the moderately chlorinated (HR: 4.19; 95% CI: 1.30-13.54), the highly chlorinated (HR: 4.14; 95% CI: 1.75-9.79), biologically persistent as CYP1A and CYP2B inducers (HR: 4.44; 95% CI: 1.33-14.83), the sum of non- dioxin-like (HR: 3.47; 95% CI: 1.21-9.98), and∑PCBs (HR: 4.29; 95% CI: 1.52-12.08). In dose-response curves, ∑PCBs was associated with the increased risk of prostate cancer. Our findings suggested a possible role of POPs in the etiology of prostate cancer.

Study Type : Human Study

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