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A novel tumor suppressor gene NCOA5 is correlated with progression in papillary thyroid carcinoma

Authors Zheng Z, Wang Q, Zhang W, Zhang X, Huang D

Received 14 October 2017

Accepted for publication 3 December 2017

Published 11 January 2018 Volume 2018:11 Pages 307—311


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Geoffrey Pietersz

Zhou-Ci Zheng,* Qing-Xuan Wang,* Wei Zhang, Xiao-Hua Zhang, Du-Ping Huang

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

*These authors contributed equally to this work

Background: In contrast to the excellent prognosis for papillary thyroid carcinoma (PTC), the high incidence of lymph node metastasis (LNM) markedly increases the risk of recurrence and secondary surgery. Thus, novel biomarkers must be urgently identified to assess LNM for patients with PTC. NCOA5 is deeply involved in the progression of human cancer; however, its role in thyroid cancer remains unknown.
Patients and methods: Quantitative real-time polymerase chain reaction was conducted to investigate the expression of NCOA5 in PTC. RNA-seq data from The Cancer Genome Atlas (TCGA) database were downloaded to further understand the role of NCOA5 in PTC and its relationship with LNM.
Results: NCOA5 was significantly downregulated in PTC tissues when compared with that in adjacent noncancerous thyroid tissues both in our local cohort and TCGA database. Reduced expression of NCOA5 was significantly associated with aggressive clinicopathological features, including histological type, tumor stage, BRAF-V600E mutation, LNM, extrathyroid extension, and clinical stage. Moreover, logistic analysis indicated that reduced expression of NCOA5, age, histological type, and clinical stage are independent high-risk factors for LNM in PTC.
Conclusion: Our study provides new insights and evidence that NOCA5 was significantly correlated with the progression of PTC and was particularly involved in LNM.

Keywords: thyroid cancer, NCOA5, lymph node metastasis

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