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J Cancer 2020; 11(12):3492-3501. doi:10.7150/jca.42070 This issue Cite

Research Paper

lncRNA SNHG3 acts as a novel Tumor Suppressor and regulates Tumor Proliferation and Metastasis via AKT/mTOR/ERK pathway in Papillary Thyroid Carcinoma

Yu Duan1, Zhiyong Wang2, Lijuan Xu1, Li Sun1, Hairong Song1, Huiqing Yin1, Fucheng He1✉

1. Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China.
2. Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China.

✉ Corresponding author: Fucheng He, Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, No. 1 East Jianshe Road, Zhengzhou Henan 450000, China. E-mail: hefuchengedu.cn.

Citation:
Duan Y, Wang Z, Xu L, Sun L, Song H, Yin H, He F. lncRNA SNHG3 acts as a novel Tumor Suppressor and regulates Tumor Proliferation and Metastasis via AKT/mTOR/ERK pathway in Papillary Thyroid Carcinoma. J Cancer 2020; 11(12):3492-3501. doi:10.7150/jca.42070. https://www.jcancer.org/v11p3492.htm
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Abstract

The incidence of papillary thyroid carcinoma (PTC) has been increased rapidly in recent decades. Long noncoding RNAs (lncRNA) are a class of non-protein-coding transcripts and play critical roles in regulating gene expression and influence biological behaviors of multiple cancers, including PTC. Here, we discovered that lncRNA SNHG3 was significantly downregulated in PTC tissues and cell lines, the expression of SNHG3 was negatively correlated with the TNM stage and poor prognosis of PTC patients. Functional studies illustrated that the depletion of SNHG3 via CRISPR/Cas9 technology promoted the proliferation, migration and invasion abilities of PTC cells. Tumor xenograft models confirmed the tumor-promoting role of silenced SNHG3 in vivo. Further mechanistic analyses revealed that knockout of SNHG3 activated the AKT/mTOR/ERK pathway in PTC cell lines and the mTOR inhibitor AZD8055 abrogated the tumor-promoting effect induced by SNHG3 inhibition. Taken together, our findings identified a lncRNA SNHG3 that functions its tumor-suppressor role during PTC development and SNHG3 might serve as a promising candidate for target therapy of PTC.

Keywords: Papillary thyroid cancer, Long non-coding RNA, SNHG3, mTOR, AZD8055

Citation styles

APA
Duan, Y., Wang, Z., Xu, L., Sun, L., Song, H., Yin, H., He, F. (2020). lncRNA SNHG3 acts as a novel Tumor Suppressor and regulates Tumor Proliferation and Metastasis via AKT/mTOR/ERK pathway in Papillary Thyroid Carcinoma. Journal of Cancer, 11(12), 3492-3501. https://doi.org/10.7150/jca.42070.

ACS
Duan, Y.; Wang, Z.; Xu, L.; Sun, L.; Song, H.; Yin, H.; He, F. lncRNA SNHG3 acts as a novel Tumor Suppressor and regulates Tumor Proliferation and Metastasis via AKT/mTOR/ERK pathway in Papillary Thyroid Carcinoma. J. Cancer 2020, 11 (12), 3492-3501. DOI: 10.7150/jca.42070.

NLM
Duan Y, Wang Z, Xu L, Sun L, Song H, Yin H, He F. lncRNA SNHG3 acts as a novel Tumor Suppressor and regulates Tumor Proliferation and Metastasis via AKT/mTOR/ERK pathway in Papillary Thyroid Carcinoma. J Cancer 2020; 11(12):3492-3501. doi:10.7150/jca.42070. https://www.jcancer.org/v11p3492.htm

CSE
Duan Y, Wang Z, Xu L, Sun L, Song H, Yin H, He F. 2020. lncRNA SNHG3 acts as a novel Tumor Suppressor and regulates Tumor Proliferation and Metastasis via AKT/mTOR/ERK pathway in Papillary Thyroid Carcinoma. J Cancer. 11(12):3492-3501.

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