Overexpression of HIF-2α, TWIST, and CXCR4 Is Associated with Lymph Node Metastasis in Papillary Thyroid Carcinoma

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ID: 273134
2013
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Abstract
This study aimed to examine HIF-2α, TWIST, and CXCR4 expression in papillary thyroid carcinoma (PTC) and assesses the association of their expression with clinicopathological indicators. HIF-2α, TWIST, and CXCR4 protein expression in 129 PTCs, 61 nodular hyperplasia, and 118 normal thyroid tissue specimens was analyzed using immunohistochemistry. The protein expression levels of these three molecules were upregulated in PTCs. High protein expression of HIF-2α, TWIST, and CXCR4 was significantly correlated with lymph node metastasis (LNM) ( ). Furthermore, HIF-2α, TWIST, and CXCR4 protein expression was correlated with one another. Concomitant high expression of these molecules had stronger correlation with LNM than did each alone ( for HIF-2α/TWIST, for HIF-2α/CXCR4, for TWIST/CXCR4, and for HIF-2α/TWIST/CXCR4). Additionally, HIF-2α, TWIST, and CXCR4 mRNA expression were assessed in 30 PTCs, 10 nodular hyperplasia, and 10 normal thyroid tissue specimens using real-time RT-PCR. TWIST and CXCR4 mRNA expression levels were up-regulated in PTCs, and high mRNA expression of TWIST and CXCR4 was significantly correlated with LNM ( and , resp.). These results demonstrated that the evaluation of HIF-2α, TWIST, and CXCR4 expression in PTC may be useful in predicting the risk of LNM.
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Authors Wang, Ni;Luo, Hao-Jun;Yin, Guo-Bing;Dong, Chao-Ran;Xu, Man;Chen, George G.;Liu, Zhi-Min;Wang, Ni;Luo, Hao-Jun;Yin, Guo-Bing;Dong, Chao-Ran;Xu, Man;Chen, George G.;Liu, Zhi-Min;
Journal clinical and developmental immunology
Year 2013
DOI
https://doi.org/10.1155/2013/589423
URL
https://doi.org/10.1155/2013/589423
Keywords
metastasis protein thyroid cxcr4 twist papillary hif 2α 0.001for

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