Inflammatory plasma markers and pancreatic cancer risk: a prospective study of five U.S. cohorts.
Citation: Cancer Epidemiology, Biomarkers & Prevention. 22(5):855-61, 2013 May.PMID: 23462920Institution: Washington Cancer InstituteForm of publication: Journal ArticleMedline article type(s): Journal Article | Research Support, N.I.H., Extramural | Research Support, Non-U.S. Gov'tSubject headings: *Inflammation/bl [Blood] | *Pancreatic Neoplasms/bl [Blood] | *Tumor Markers, Biological/bl [Blood] | Adult | Aged | Aged, 80 and over | C-Reactive Protein/me [Metabolism] | Case-Control Studies | Cohort Studies | Female | Humans | Inflammation/ep [Epidemiology] | Interleukin-6/bl [Blood] | Male | Middle Aged | Pancreatic Neoplasms/ep [Epidemiology] | Prospective Studies | Randomized Controlled Trials as Topic | Risk Factors | United States/ep [Epidemiology]ISSN:- 1055-9965
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Journal Article | MedStar Authors Catalog | Article | Available | 23462920 |
Chronic inflammation may play a role in the development of pancreatic cancer. However, few prospective studies have examined the association between plasma inflammatory markers and pancreatic cancer risk. Therefore, we investigated the association of prediagnostic circulating C-reactive protein (CRP), interleukin-6 (IL-6), and TNF-alpha receptor II (TNF-alphaR2) with subsequent pancreatic cancer risk in a prospective, nested case-control study of 470 cases and 1,094 controls from Health Professionals Follow-up Study, Nurses' Health Study, Physicians' Health Study, Women's Health Initiative, and Women's Health Study. The median follow-up time of cases was 7.2 years (range 1-26 years). No association was observed between plasma CRP, IL-6, and TNF-alphaR2 and the risk of pancreatic cancer. Comparing extreme quintiles, the multivariate ORs were 1.10 [95% confidence interval (CI), 0.74-1.63; Ptrend = 0.81] for CRP, 1.19 (95% CI, 0.81-1.76; Ptrend = 0.08) for IL-6, and 0.88 (95% CI, 0.58-1.33; Ptrend = 0.57) for TNF-alphaR2. In conclusion, prediagnostic levels of circulating CRP, IL-6, and TNF-alphaR2 were not associated with the risk of pancreatic cancer, suggesting that systemic inflammation as measured by circulating inflammatory factors is unlikely to play a major role in the development of pancreatic cancer.
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