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PIM1 polymorphism and PIM1 expression as predisposing factors of esophageal squamous cell carcinoma in the Asian population

Authors Wu Y, Lu D, He Z, Jin C

Received 30 December 2015

Accepted for publication 18 March 2016

Published 17 May 2016 Volume 2016:9 Pages 2919—2925

DOI https://doi.org/10.2147/OTT.S103392

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Dr William Cho


Yuan-Bo Wu,1 Di Lu,1 Zhi-Feng He,1 Chan-Guan Jin2

1Department of Cardiothoracic Surgery, The First Affiliated Hospital of Wenzhou Medical University, 2Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China

Abstract: Our study aimed to identify the association between a PIM1 polymorphism and PIM1 expression levels with clinicopathological features of esophageal squamous cell carcinoma (ESCC). A total of 168 patients with ESCC were recruited as the case group, and 180 healthy individuals were included as the control group. Polymerase chain reaction-direct sequencing was employed to analyze all genotypes containing the PIM1 -1 882 A>T mutation. Immunohistochemistry was used to detect PIM1 expression. The distributions of genotype AA and allele A of PIM1 -1 882 A>T were higher in the case group than in the control group (both P<0.05). AT + TT carriers had a lower risk of ESCC than AA carriers (P<0.05). PIM1 polymorphism was related to the invasion depth, degree of differentiation, and lymphatic metastasis of ESCC (P<0.05). PIM1 expression was associated with lymphatic metastasis of ESCC and PIM1 polymorphism (both P<0.05). PIM1 -1 882 A>T and the overexpression of PIM1 were associated with the clinicopathological features of ESCC, and PIM1 -1 882 A>T may help to reduce the risk of ESCC in the Asian population.

Keywords: PIM1, polymorphism, esophageal squamous cell carcinoma, -1 882 A>T, clinicopathological features, proto-oncogene


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