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A prospective study of leukocyte telomere length and risk of renal cell carcinoma.

About this Publication
Title
A prospective study of leukocyte telomere length and risk of renal cell carcinoma.
Pubmed ID
23513041 (View this publication on the PubMed website)
Digital Object Identifier
Publication
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 2013 May; Volume 22 (Issue 5): Pages 997-1000
Authors
Hofmann JN, Lan Q, Cawthon R, Hosgood HD, Shuch B, Moore LE, Rothman N, Chow WH, Purdue MP
Affiliations
  • Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, 6120 Executive Blvd, EPS 8113, Bethesda, MD 20892, USA. hofmannjn@mail.nih.gov
Abstract

BACKGROUND: It has been hypothesized that genomic instability related to telomere dysfunction may contribute to carcinogenesis. There is some evidence from case-control studies suggesting that short leukocyte telomere length may be associated with an increased risk of renal cell carcinoma (RCC); however, this association has not been investigated prospectively.

METHODS: We conducted a nested case-control study (209 cases, 410 controls) of RCC risk in relation to prediagnostic leukocyte telomere length in the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial. ORs and 95% confidence intervals (CI) were estimated using conditional logistic regression.

RESULTS: Leukocyte telomere length was not significantly associated with future risk of RCC (highest quartile vs. lowest: OR, 0.8; 95% CI, 0.5-1.5; Ptrend = 0.6). Analyses stratified by sex, age, and time from blood collection to RCC diagnosis were similarly null.

CONCLUSIONS: The results of this study, to our knowledge the first prospective investigation of its kind, do not support an association between prediagnostic leukocyte telomere length and risk of RCC.

IMPACT: In contrast to some earlier reports, our findings add to the evidence that leukocyte telomere length is not a biomarker of risk related to the etiology of RCC.

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