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Clinical effect of MUC1 and its relevance to BRAF V600E mutation in papillary thyroid carcinoma: a case–control study

Authors Li Q, Jin W, Jin Y, Zheng Z, Zhou X, Wang Q, Ye D, Sun Y, Zhang X, Wang O, Chen E, Cai Y

Received 4 January 2018

Accepted for publication 14 March 2018

Published 29 May 2018 Volume 2018:10 Pages 1351—1358


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Harikrishna Nakshatri

Quan Li,* Wen-Xu Jin,* Yi-Xiang Jin, Zhou-Ci Zheng, Xiao-Fen Zhou, Qing-Xuan Wang, Dan-Rong Ye, Yi-Han Sun, Xiao-Hua Zhang, Ou-Chen Wang, En-Dong Chen, Ye-Feng Cai

Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China

*These authors contributed equally to this work

Aim: To investigate the clinical effects of MUC1 on papillary thyroid cancer (PTC) and explore the relationship between MUC1 expression and BRAF mutation.
Methods: The data of 69 patients subjected to fine-needle aspiration biopsy in our hospital and 486 patient data downloaded from The Cancer Genome Atlas (TCGA) database were used. Univariate and multivariate analyses were performed.
Results: The results on the 486 patients recorded in the TCGA indicated that high MUC1 expression was independently related to BRAF mutation, lymph node metastasis (LNM), and unifocal type. In the 69 fine-needle aspiration biopsy patients with PTC, high MUC1 expression was significantly related to LNM and extrathyroid extension (ETE). The result of Pearson’s correlation coefficient showed that BRAF mutation and MUC1 expression were moderately correlated. Moreover, in the subgroup with low MUC1 expression, the patients with BRAF mutation had higher ETE frequency and LNM than those without BRAF mutation. In the subgroup with BRAF mutation, patients with high MUC1 expression exhibited higher ETE frequency than those with low MUC1 expression, and high MUC1 expression occurred in older patients. In the subgroup with BRAF wild-type mutation, patients with high MUC1 expression had a higher incidence of ETE and LNM than those with low expression.
Conclusion: We demonstrated that the MUC1 is an important oncogene in PTC and may have great significance on therapeutic cancer vaccine development.

Keywords: MUC1, BRAF mutation, papillary thyroid cancer, prognosis, lymph node metastasis, extrathyroid extension

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