Journal Article

Leukocyte telomere length predicts overall survival in hepatocellular carcinoma treated with transarterial chemoembolization

Han-Qiang Liu, Jia-Ze An, Juan Liu, Ye-Fa Yang, Hong-Xin Zhang, Bin-Yu Zhao, Ji-Bin Li, Hu-Shan Yang, Zhi-Nan Chen and Jin-Liang Xing

in Carcinogenesis

Volume 33, issue 5, pages 1040-1045
Published in print May 2012 | ISSN: 0143-3334
Published online February 2012 | e-ISSN: 1460-2180 | DOI: http://dx.doi.org/10.1093/carcin/bgs098
Leukocyte telomere length predicts overall survival in hepatocellular carcinoma treated with transarterial chemoembolization

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Previous studies have reported that telomere length in peripheral blood leukocytes can predict the clinical outcome of several cancers. However, whether leukocyte telomere length is associated with the prognosis of hepatocellular carcinoma (HCC) remains to be determined. In this study, relative telomere length (RTL) in peripheral blood leukocytes was measured using a real-time PCR-based method for 269 HCC patients treated with transarterial chemoembolization (TACE) from two independent hospitals. The association between RTL and the overall survival (OS) of HCC was analyzed. The immunological function of the HCC patients with different leukocyte RTLs was evaluated. Multivariate analyses indicated that long leukocyte RTL was significantly associated with poor OS of HCC patients, with a hazard ratio of 2.04 (95% confidence interval, 1.46–2.86; P < 0.001). Kaplan–Meier analyses showed a significant difference of median survival time between patients with long and short RTL (log rank P < 0.001). Fluorescence-activated cell sorting analyses showed that the long RTL group had a significantly increased percentage of CD4+CD25+FOXP3+ Treg in CD4+ T cells compared with short RTL group (P = 0.002). In conclusion, our results suggest that leukocyte RTL may serve as an independent prognostic marker for HCC patients treated with TACE.

Journal Article.  4416 words.  Illustrated.

Subjects: Clinical Cytogenetics and Molecular Genetics

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