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Mannose receptor as a potential biomarker for gastric cancer: a pilot study

Abstract

Background

The mannose receptor is an immune adhesion molecule mainly expressed on the surface of antigen-presenting cells such as nonmature dendritic cells and macrophages. This study aimed to investigate mannose receptor expression and its predictive role in papillary gastric cancer patients.

Methods

The expression of the mannose receptor was measured in 120 samples of gastric cancer tissues and corresponding paracarcinoma tissues, by immunohistochemical and quantitative real-time PCR analysis. The relationships between mannose receptor expression and clinicopathological features of gastric cancer patients were analyzed.

Results

The expression rate of the mannose receptor in gastric cancer cells was 45.8% (54/120), significantly higher than that in the paracarcinoma tissue (20.0%, 36/120) (χ2 = 6.286, p = 0.012). High expression of the mannose receptor was closely related to tumor size, T stage, N stage and Union for International Cancer Control (UICC) stage of gastric cancer (p<0.05). A Kaplan-Meier survival model indicated that the survival of patients in the high-expression mannose receptor group was significantly shorter than in the low-expression mannose receptor group (p<0.05). Cox regression analysis showed that high mannose receptor expression was an independent predictor for the prognosis of patients with gastric cancer.

Conclusions

High mannose receptor expression indicates poor prognosis for gastric cancer patients. The mannose receptor may be an important molecular marker for gastric cancer prognosis.

Int J Biol Markers 2017; 32(3): e278 - e283

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/jbm.5000244

Authors

Deng-Rui Liu, Quan-Lin Guan, Ming-Tai Gao, Lei Jiang, Hong-Xia Kang

Article History

Disclosures

Financial support: This work was supported by grants from the Natural Science Foundation of Gansu province (number 145RJZA229).
Conflicts of interest: The authors report no conflicts of interest in this work.

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Authors

Affiliations

  • Department of Surgery, First Hospital of Lanzhou University, Lanzhou, Gansu Province - PR China

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