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Article type: Research Article
Authors: Liu, Chen-Guang* | Cui, Xiao-Long | Wei, Zhi-Gang | Guo, Jian-Sheng*
Affiliations: Department of General Surgery, The First Hospital, Shanxi Medical University, Taiyuan 030001, Shanxi, China
Correspondence: [*] Corresponding authors: Chen-Guang Liu and Jian-Sheng Guo, Department of General Surgery, The First Hospital, Shanxi Medical University, No. 85 Jiefang South Road, Taiyuan 030001, Shanxi, China. Tel.: +86 351 4639598; E-mail: ironbull1976@sohu.comandjianshengguo@sina.com.
Abstract: BACKGROUND: Gastric cancer is one of the most common malignant tumours. Identifying novel genes that govern the development of gastric cancer will help to elucidate its molecular mechanisms and find novel biomarkers. METHODS: Expression of the ANKRD49 protein was assessed by immunohistochemical analysis of tissue microarrays containing 92 sets of human gastric cancer specimens with adjacent non-cancerous tissue. Associations between ANKRD49 levels and clinicopathological characteristics of the patient were investigated. The correlation between ANKRD49 expression and patient survival was analysed by the Kaplan-Meier method. RESULTS: The results revealed that the expression level of the ANKRD49 protein in gastric cancer was significantly upregulated and correlated with the tumour size, tumour-node-metastasis (TNM) stage, histological grade, depth of invasion, vessel invasion, lymph node metastasis and distant metastasis. The mean survival time of patients with low expression levels of ANKRD49 was significantly longer than that of patients with high expression levels of ANKRD49. Multivariate Cox regression analysis demonstrated that the ANKRD49 protein expression level was an independent prognostic indicator for the survival rate of patients with gastric cancer. CONCLUSION: The results of the present study highlighted an important role of the ANKRD49 protein in the progression of gastric cancer. The ANKRD49 protein could act as a potential biomarker for prognosis evaluation of gastric cancer and may be used as a molecular target for gastric cancer treatment.
Keywords: ANKRD49, gastric cancer, tissue microarray, immunohistochemistry, prognosis
DOI: 10.3233/CBM-171074
Journal: Cancer Biomarkers, vol. 22, no. 4, pp. 649-656, 2018
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