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Int. J. Mol. Sci. 2015, 16(2), 3391-3404; doi:10.3390/ijms16023391

Expression and Significance of CD44, CD47 and c-met in Ovarian Clear Cell Carcinoma

Department of Obstetrics and Gynecology, Shengjing Hospital Affiliated to China Medical University, No. 36 Sanhao Street, Heping District, Shenyang 110004, China
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Author to whom correspondence should be addressed.
Academic Editor: William Cho
Received: 22 November 2014 / Revised: 9 December 2014 / Accepted: 9 January 2015 / Published: 4 February 2015
(This article belongs to the Special Issue Advances in Molecular Oncology 2014)
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Abstract

Aims: The aim of the present study is to investigate the differential expression of CD44, CD47 and c-met in ovarian clear cell carcinoma (OCCC), the correlation in their expression and their relationship with the biological behavior of OCCC. Methods: We used immunohistochemistry to examine the expression of CD44, CD47 and c-met in OCCC (86 cases) and investigated the effects of the expression and interaction of these molecules on the development of OCCC. Results: CD44, CD47 and c-met expression was significantly high in OCCC. Expression of CD44 and CD47 correlated with patient surgical stage, chemotherapy resistance and prognosis (all p < 0.05), and expression of c-met correlated with chemotherapy resistance and prognosis (all p < 0.05), but did not correlate with lymph node metastasis (all p > 0.05). The surgical stage, CD44, CD47 and c-met expression were independent risk factors for OCCC prognosis (all p < 0.05). Patients with low levels of CD44, CD47 and c-met showed better survival than those with high levels (all p < 0.05). There was a positive correlation between CD44 (or CD47) and c-met, as well as between CD44 and CD47 (the Spearman correlation coefficient rs was 0.783, 0.776 and 0.835, respectively, all p < 0.01). Additionally, pairwise correlation analysis of these three markers shows that the high expression of CD44/CD47, CD44/c-met and CD47/c-met were correlated with patient surgical stage, chemotherapy resistance and prognosis (all p < 0.05), but did not correlate with lymph node metastasis (all p > 0.05). Conclusions: Expression of CD44, CD47 and c-met was upregulated in OCCC and pairwise correlation. CD44, CD47 and c-met may have synergistic effects on the development of OCCC and are prognostic factors for ovarian cancer. View Full-Text
Keywords: ovarian clear cell carcinoma; CD44; CD47; c-met; immunohistochemistry ovarian clear cell carcinoma; CD44; CD47; c-met; immunohistochemistry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, H.; Tan, M.; Zhang, S.; Li, X.; Gao, J.; Zhang, D.; Hao, Y.; Gao, S.; Liu, J.; Lin, B. Expression and Significance of CD44, CD47 and c-met in Ovarian Clear Cell Carcinoma. Int. J. Mol. Sci. 2015, 16, 3391-3404.

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