International Journal of Medical Sciences

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23 September 2017

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Int J Med Sci 2017; 14(11):1094-1100. doi:10.7150/ijms.20414

Research Paper

Plasma Levels of Endothelial Cell-Specific Molecule-1 as a Potential Biomarker of Oral Cancer Progression

Wei-En Yang1, 2, Ming-Ju Hsieh2, 3, 4, Chiao-Wen Lin5, 6, Chun-Ying Kuo7, Shun-Fa Yang1, 2, Chun-Yi Chuang8, 9✉, Mu-Kuan Chen2, 7✉

1. Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan;
2. Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan;
3. Cancer Research Center, Changhua Christian Hospital, Changhua, Taiwan;
4. Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan;
5. Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan;
6. Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan;
7. Department of Otorhinolaryngology-Head and Neck Surgery, Changhua Christian Hospital, Changhua, Taiwan;
8. School of Medicine, Chung Shan Medical University, Taichung, Taiwan;
9. Department of Otolaryngology, Chung Shan Medical University Hospital, Taichung, Taiwan.

Abstract

In Taiwan, oral cancer is the fourth most common cancer and the most common malignancy with a poor prognosis. Endothelial cell-specific molecule-1 (ESM-1) is secreted by vascular endothelial cells in the liver, lungs, kidneys, and gastrointestinal tract. ESM-1 expression is associated with tumor prognosis, metastasis, and angiogenesis in many cancers. However, few studies have examined the association of plasma ESM-1 levels with oral squamous cell carcinoma (OSCC) progression. We measured the plasma ESM-1 levels of 438 male OSCC patients through a commercial enzyme-linked immunosorbent assay. The Cancer Genome Atlas (TCGA) dataset was also used to analyze the ESM-1 levels in 328 OSCC patients and 33 normal tissues. Our results revealed that the plasma levels of ESM-1 in OSCC patients were significantly associated with the tumor (T) status but not with the lymph node status, metastasis, and cell differentiation. TCGA bioinformatics database analysis revealed that ESM-1 expression was significantly higher in OSCC patients than in normal individuals (p < 0.05). In addition, the examination revealed similar results for the ESM-1 expression levels and pathological stage in OSCC. In conclusion, plasma ESM-1 is a novel biomarker for predicting the T status in OSCC patients.

Keywords: ESM-1, oral squamous cell carcinoma, biomarker.

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How to cite this article:
Yang WE, Hsieh MJ, Lin CW, Kuo CY, Yang SF, Chuang CY, Chen MK. Plasma Levels of Endothelial Cell-Specific Molecule-1 as a Potential Biomarker of Oral Cancer Progression. Int J Med Sci 2017; 14(11):1094-1100. doi:10.7150/ijms.20414. Available from http://www.medsci.org/v14p1094.htm