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TERT-CLPTM1 locus polymorphism (rs401681) is associated with the prognosis of hepatocellular carcinoma

Authors Lee HW, Park W, Heo Y, Park TI, Park SY, Lee J

Received 17 April 2017

Accepted for publication 5 September 2017

Published 3 October 2017 Volume 2017:10 Pages 4853—4858


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Geoffrey Pietersz

Hye Won Lee,1,* Won-Jin Park,2,* Yu-Ran Heo,2 Tae In Park,3 Soo Young Park,4 Jae-Ho Lee2,*

1Department of Pathology, Keimyung University School of Medicine, Daegu, Republic of Korea; 2Department of Anatomy, Keimyung University School of Medicine, Daegu, Republic of Korea; 3Department of Pathology, Kyungpook National University School of Medicine, Daegu, Republic of Korea; 4Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea

*These authors contributed equally to this work

Abstract: Telomere length is associated with the development of hepatocellular carcinoma (HCC), and recent studies have focused on the genetic alteration or polymorphism in telomere-maintaining genes. We examined the clinicopathologic and prognostic value of rs401681 polymorphism, located in the TERT-CLPTM1L locus, in HCC. The relationship between rs401681 variants and telomere length was also analyzed in 156 HCC patients. The rs401681 polymorphism had the following genotype frequencies: C/C in 51.3% of the samples, C/T in 39.7%, and T/T in 9.0%. Telomeres in the tumor samples were 4.04-fold longer, on average, than the telomeres in matched normal samples (SD =1.32), and there were no differences in telomere length according to rs401681 polymorphism (p=0.802). Our results indicate that the rs401681 C allele was significantly associated with increased T and International Union for Cancer Control stages (p<0.01). Univariate and multivariate survival analyses showed that HCC with C allele had poorer prognosis (p<0.01). In conclusion, our findings suggest that rs401681 is a possible prognostic biomarker for HCC patients.

Keywords: CLPTM1L polymorphism, hepatocellular carcinoma, TERT-CLPTM1L locus, telomere length

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