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Theranostics 2019; 9(24):7156-7167. doi:10.7150/thno.36030 This issue Cite

Research Paper

NUDT21 inhibits bladder cancer progression through ANXA2 and LIMK2 by alternative polyadenylation

Ming Xiong*, Liang Chen*, Lijie Zhou, Yong Ding, Gallina Kazobinka, Zhaohui Chen✉, Teng Hou✉

Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
* Ming Xiong and Liang Chen contributed equally to this work

✉ Corresponding authors: Dr. Teng Hou, Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, HB 430022, China. Tel: +86 138-7159-1704; Fax: +86 27-8535-1625; E-mail: h1aiyanedu.cn; D More

Citation:
Xiong M, Chen L, Zhou L, Ding Y, Kazobinka G, Chen Z, Hou T. NUDT21 inhibits bladder cancer progression through ANXA2 and LIMK2 by alternative polyadenylation. Theranostics 2019; 9(24):7156-7167. doi:10.7150/thno.36030. https://www.thno.org/v09p7156.htm
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Abstract

Graphic abstract

Purpose: Nudix Hydrolase 21 (NUDT21) is a crucial mediator involved in alternative polyadenylation (APA), and this molecule has been reported to be a tumor suppressor in human cancers. However, neither the role NUDT21 plays in bladder cancer (BC) nor the mechanisms which are involved have been investigated.

Methods: Expression levels of NUDT21 in BC were evaluated with real-time PCR, western blotting, and immunohistochemistry (IHC). In vitro and in vivo assays were performed to investigate the function of NUDT21 in tumorigenesis in bladder cancer cells. The TOP/FOP flash reporter assay, western blot, and global APA site profiling analysis were used to identify the pathway which mediates the biologic roles of NUDT21 in BC.

Results: NUDT21 expression is reduced in BC tissue and cells, and BC patients with lower NUDT21 expression have shorter overall and recurrent-free survival than patients with higher NUDT21 expression. NUDT21 ectopic expression or knockdown respectively profoundly inhibited or promoted the capacity of BC cells for proliferation, migration and invasion. We also identified a number of genes with shortened 3'UTRs through modulation of NUDT21 expression, and further characterized the NUDT21-regulated genes ANXA2 and LIMK2. We found NUDT21 modulates the expression of ANXA2 and LIMK2 in the Wnt/β-catenin and NF-κB signaling pathways.

Conclusions: These findings show NUDT21 plays a crucial role in BC progression, at least in part through ANXA2 and LIMK2 which act by alternative polyadenylation. NUDT21 may thus have potential as a diagnostic and therapeutic target in treatment of BC.

Keywords: NUDT21, bladder cancer, Wnt/β-catenin, NF-κB

Citation styles

APA
Xiong, M., Chen, L., Zhou, L., Ding, Y., Kazobinka, G., Chen, Z., Hou, T. (2019). NUDT21 inhibits bladder cancer progression through ANXA2 and LIMK2 by alternative polyadenylation. Theranostics, 9(24), 7156-7167. https://doi.org/10.7150/thno.36030.

ACS
Xiong, M.; Chen, L.; Zhou, L.; Ding, Y.; Kazobinka, G.; Chen, Z.; Hou, T. NUDT21 inhibits bladder cancer progression through ANXA2 and LIMK2 by alternative polyadenylation. Theranostics 2019, 9 (24), 7156-7167. DOI: 10.7150/thno.36030.

NLM
Xiong M, Chen L, Zhou L, Ding Y, Kazobinka G, Chen Z, Hou T. NUDT21 inhibits bladder cancer progression through ANXA2 and LIMK2 by alternative polyadenylation. Theranostics 2019; 9(24):7156-7167. doi:10.7150/thno.36030. https://www.thno.org/v09p7156.htm

CSE
Xiong M, Chen L, Zhou L, Ding Y, Kazobinka G, Chen Z, Hou T. 2019. NUDT21 inhibits bladder cancer progression through ANXA2 and LIMK2 by alternative polyadenylation. Theranostics. 9(24):7156-7167.

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