Oncotarget

Research Papers:

Correlation between overall survival and differential plasma and tissue tumor marker expression in nasopharyngeal carcinoma patients with different sites of organ metastasis

Hung-Ming Wang, Tung-Liang Lin, Yung-Chia Kuo, Hsin-Pai Li, Kai-Ping Chang, Chien-Yu Lin, Hsien-Chi Fan, An-Chi Lin, Chia-Hsun Hsieh, Ngan-Ming Tsang, Li-Yu Lee, Sheng-Chieh Chan, Kar-Wai Lui, Yu-Sun Chang and Cheng-Lung Hsu _

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Oncotarget. 2016; 7:53217-53229. https://doi.org/10.18632/oncotarget.10676

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Abstract

Hung-Ming Wang1,*, Tung-Liang Lin1,*, Yung-Chia Kuo1, Hsin-Pai Li2, Kai-Ping Chang3, Chien-Yu Lin4, Hsien-Chi Fan1, An-Chi Lin1, Chia-Hsun Hsieh1, Ngan-Ming Tsang4, Li-Yu Lee5, Sheng-Chieh Chan6, Kar-Wai Lui7, Yu-Sun Chang2, Cheng-Lung Hsu1

1Division of Hematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC

2Department of Cell and Molecular Biology, Chang Gung University, Taoyuan, Taiwan, ROC

3Department of Otolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC

4Department of Radiation Oncology, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC

5Department of Pathology, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC

6Department of Nuclear Medicine, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC

7Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, ROC

*These authors contributed equally to this work

Correspondence to:

Cheng-Lung Hsu, email: hsu2221@adm.cgmh.org.tw

Keywords: nasopharyngeal carcinoma, metastasis, EB virus, EBV DNA, IP-10

Received: March 10, 2016     Accepted: June 09, 2016     Published: July 18, 2016

ABSTRACT

Differential overall survival of nasopharyngeal carcinoma (NPC) with different organ site metastases has been documented. Here, we attempted to determine the underlying mechanisms by assessing plasma and tumor tissue markers in relation to patient survival. Pretreatment plasma Epstein-Barr virus (EBV) DNA concentrations, cytokines and tissue macrophages, proliferation and apoptosis markers were determined in 178 patients with metastatic NPC. The median overall survival (OS) was 19 months. Patients with single organ metastases had better outcomes than those with multiple organ metastases (median OS: 26 months vs. 16 months), with statistical significance. Among the single organ involvement cases, patients with lung metastasis only showed longer survival than those with bone or liver involvement (median OS: 50 months vs. 21 months vs. 18 months; P < 0.001). Pretreatment plasma EBV DNA concentrations were lower in patients with lung metastasis than bone or liver metastasis among single organ site groups. Plasma interferon-γ-inducible protein-10 (IP-10) and monocyte chemotactic protein-1 (MCP-1) expression levels were correlated with differential single organ site metastasis OS and EBV DNA load. Liver metastatic tissue had higher density of infiltrating macrophages and proliferative index than the lung metastatic group. Low pretreatment plasma EBV DNA load, expression of cytokines, such as IP-10 and MCP-1, tissue macrophage infiltration, and proliferative index may contribute to the differences in overall survival.


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