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Published in: Tumor Biology 10/2016

01-10-2016 | Original Article

Downregulated expression of DIXDC1 in hepatocellular carcinoma and its correlation with prognosis

Authors: Senjun Zhou, Jiliang Shen, Shuang Lin, Xiaolong Liu, Ming Xu, Liang Shi, Xianfa Wang, Xiujun Cai

Published in: Tumor Biology | Issue 10/2016

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Abstract

Dishevelled-Axin domain containing 1 (DIXDC1) is a DIX (Dishevelled-Axin) domain possessing protein that acts as a positive regulator of the Wnt pathway. Although DIXDC1 has been investigated in several cancers, it has not yet been studied in human hepatocellular carcinoma (HCC). The purpose of the current study was to investigate the expression pattern of DIXDC1 and assess the clinical significance of DIXDC1 expression in HCC patients. Data containing three independent investigations from Oncomine database demonstrated that DIXDC1 mRNA was downregulated in HCC compared with matched non-cancerous tissues. Similar results were also obtained in 25 paired HCC tissues and corresponding non-cancerous tissues by qPCR and Western blot analysis. Additionally, another independent set of 140 pairs of HCC specimens was evaluated for DIXDC1 expression by IHC and demonstrated that reduced expression of DIXDC1 in 50.7 % (71/140) of HCC tissues was significantly correlated with tumor size (p = 0.024), tumor differentiation (p < 0.001), tumor thrombi (p = 0.019), TNM stage (p = 0.019), and BCLC stage (p = 0.008). Importantly, Kaplan–Meier survival and Cox regression analyses were executed to evaluate the prognosis of HCC patients and found that DIXDC1 protein expression was one of the independent prognostic factors for overall survival of HCC patients.
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Metadata
Title
Downregulated expression of DIXDC1 in hepatocellular carcinoma and its correlation with prognosis
Authors
Senjun Zhou
Jiliang Shen
Shuang Lin
Xiaolong Liu
Ming Xu
Liang Shi
Xianfa Wang
Xiujun Cai
Publication date
01-10-2016
Publisher
Springer Netherlands
Published in
Tumor Biology / Issue 10/2016
Print ISSN: 1010-4283
Electronic ISSN: 1423-0380
DOI
https://doi.org/10.1007/s13277-016-5213-9

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