Home FOR AUTHORS Neoplasma 2021 Neoplasma Vol.68, No.5, p.1063–1071, 2021

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Neoplasma Vol.68, No.5, p.1063–1071, 2021

Title: Silencing of AHNAK2 restricts thyroid carcinoma progression by inhibiting the Wnt/β-catenin pathway
Author: Qiu-Yu Lin, Qian-Le Qi, Sen Hou, Zhen Chen, Nan Jiang, Laney Zhang, Cheng-He Lin

Abstract: AHNAK nucleoprotein 2 (AHNAK2) has been proposed to have an oncogenic role in various human cancers. However, the functional role of AHNAK2 in thyroid carcinoma (TC) progression has never been explored. In this study, quantitative real-time polymerase chain reaction and western blot were conducted to evaluate the expression of genes. The functional role of AHNAK2 was elucidated by cell count kit-8, colony-forming assay, wound healing assay, and Transwell invasion assay. We found that AHNAK2 was highly expressed in thyroid carcinoma, and it was tightly correlated with the pathological stage in TC. The mRNA and protein levels of AHNAK2 were increased in TC cells. Silencing of AHNAK2 restricted the proliferation, metastasis, and epithelial-mesenchymal transition (EMT) of TC cells. AHNAK2 silencing inhibited the protein expression of β-catenin and cyclin D1, and AHNAK2 overexpression had the opposite effects. Moreover, LiCl or ICG-001 exposure counteracted the effects of AHNAK2 silencing or upregulation on malignant phenotypes of TC cells. In conclusion, the knockdown of AHNAK2 restrained the proliferation, metastasis, and EMT of TC cells by inhibiting the Wnt/β-catenin pathway, providing a new potential mechanism of AHNAK2 in understanding the oncogenesis and progression of TC.

Keywords: AHNAK nucleoprotein 2; thyroid carcinoma; epithelial-mesenchymal transition; Wnt/β-catenin pathway
Published online: 10-Aug-2021
Year: 2021, Volume: 68, Issue: 5 Page From: 1063, Page To: 1071
doi:10.4149/neo_2021_210304N276
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